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Dose-Ranging Study In Subjects With Type 2 Diabetes Mellitus Who Are Treatment-Naive

A Once-Daily Dose-Ranging Study of GSK189075 Versus Placebo In The Treatment of Type 2 Diabetes Mellitus in Treatment-Naïve Subjects

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00495469
Enrollment
250
Registered
2007-07-03
Start date
2007-08-17
Completion date
2008-06-05
Last updated
2017-10-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Diabetes Mellitus, Type 2

Keywords

Diabetes mellitus HbA1c

Brief summary

This is a dose-ranging study to evaluate the efficacy, safety and tolerability of a range of doses of GSK189075 (an SGLT2 inhibitor) compared to placebo, administered over 12 weeks in treatment-naive subjects with type 2 diabetes mellitus

Interventions

GSK189075 is available as a white, capsule-shaped tablet dosage form containing 50mg, 125mg, 250mg or 500mg of GSK189075 per tablet

DRUGPlacebo

Available as Placebo matching tablet to GSK189075

Sponsors

GlaxoSmithKline
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* Subjects with a documented diagnosis of T2DM and HbA1c ≥7.0% and ≤9.5% measured by the central laboratory at Visit 1. * Note: Subjects with HbA1c \<7.5% must have a fasting fingerstick glucose ≥7 mmol/L (126 mg/dL) at Week 0, prior to randomization. * Note: The proportion of subjects who are randomized with an HbA1c \<7.5% will be limited to be no more than 20% (approximately 51 subjects) * Subjects who are treatment-naïve, and have not taken insulin, or any oral or injectable anti-diabetic medication in the past 3 months and have not taken a glucose lowering agent for ≥4 weeks at any time in the past, or subjects who are newly diagnosed and treated with diet and exercise for a minimum of 6 weeks * Subjects who are 18 to 70 years of age inclusive at the time of Screening. * Females of childbearing and non-childbearing and potential are eligible to participate as follows: * Women of childbearing potential must be willing to use one of the following contraception methods: intrauterine device, condom or occlusive cap (diaphragm or cervical/vault caps) plus spermicidal agent for at least 30 days prior to the start of study medication, throughout the study and the follow-up visit. Note: use of oral contraceptives is not permitted. * Women of non-child bearing potential are defined as follows: females regardless of age, with functioning ovaries who have a current documented tubal ligation, or who are surgically sterile (i.e. documented total hysterectomy or bilateral oophorectomy), or females who are post-menopausal. All females must have a negative urine pregnancy test on the day of, and prior to randomization. * Informed Consent: a signed and dated written consent must be obtained from the subject before any procedures are performed.

Exclusion criteria

* Metabolic Disease * Diagnosis of Type 1 diabetes mellitus * History of ketoacidosis which has required hospitalization * Thyroid disorder * TSH \<0.4 MIU/L (\<0.4 MCIU/mL) or \>5.5 mIU/L (\>5.5 MCIU/mL) at Screening * BMI of \<22 kg/m2 or \>43 kg/m2 * Significant weight gain or loss (as defined as \>5% of total body weight) in the 3 months prior to Screening * Diabetic Medication * Has taken insulin, or any oral or injectable anti-diabetic medication within 3 months of screening * Has taken insulin or any oral or injectable anti-diabetic medication ≥4 weeks at any time in the past * Cardiovascular Disease Recent history or presence of clinically significant acute cardiovascular disease including: * Documented myocardial infarction in the 6 months prior to Screening. * Coronary revascularization including percutaneous transluminal coronary angioplasty (PTCA) or coronary artery bypass graft (CABG) surgery either planned and/or occurred in the 6 months prior to Screening. * Unstable angina in the 6 months prior to Screening. * Clinically significant supraventricular arrhythmias requiring medical therapy, or history of nonsustained or sustained ventricular tachycardia. Symptomatic valvular heart disease or valvular heart disease requiring therapy other than endocarditis prophylaxis. * Congestive heart failure (CHF, New York Heart Association (NYHA) Class II to IV) requiring pharmacologic treatment or the NYHA Class criteria in accordance with the local prescribing information for pioglitazone. * Blood pressure (BP) \>150/100mmHg. If a subject is receiving permitted antihypertensive therapy, then they must be on stable dose(s) of therapy for at least 4 weeks prior to Screening. * Based on local readings, the subject has an initial QTc interval (Bazett's)≥450msec at Screening, and after two additional ECGs taken 5 minutes apart, the average of the QTC interval from the three ECGs is ≥450msec. * Other clinically significant ECG abnormalities which, in the opinion of the Investigator, may affect the interpretation of efficacy or safety data, or which otherwise contraindicates participation in a clinical trial with a new chemical entity. * Fasting triglycerides ≥400mg/dL (4.56mmol/L) at Screening. If a subject is receiving permitted lipid-lowering therapy, then they must be on a stable dose(s) of therapy for at least 6 weeks prior to Screening. Niacin and bile acid sequestrants are prohibited. * Hepatic Disease Has a diagnosis of active hepatitis (hepatitis B surface antigen or hepatitis C antibody), or clinically significant hepatic enzyme elevation including: Any one of the following enzymes greater than 2 times the upper limit of the reference range (ULRR) value at Screening. * alanine aminotransferase (ALT) * aspartate aminotransferase (AST) * alkaline phosphatase (AP) Has a total bilirubin level that is \>1.5 times the ULRR at Screening with the exception of suspected or confirmed Gilbert's disease. * Pancreatic Disease * Secondary causes of diabetes: * history of chronic or acute pancreatitis * Renal Disease Significant renal disease at Screening as manifested by: * Glomerular filtration rate (GFR) \<60mL/min (as calculated by Quest at Visit using the Modification of Diet in Renal Disease (MDRD) equation •≥1+ protein on urine dipstick * Trace or ≥1+ leukocyte esterase on urine dipstick * Trace or ≥1+ blood on urine dipstick * Positive nitrite on urine dipstick * Recurrent genitourinary tract infections defined as ≥2 episodes of complicated or uncomplicated cystitis or pyelonephritis in the 6 months prior to Screening. * Concurrent Disease * Has any concurrent condition or any clinically significant abnormality identified on the screening physical examination, laboratory tests (including blood electrolytes), ECG, including pulmonary, neurological or inflammatory diseases, which, in the opinion of the investigator, may affect the interpretation of efficacy and safety data, or which otherwise contraindicates participation in a clinical trial with a new chemical entity. * History of significant co-morbid diseases active in the 6 months prior to Screening (e.g., cholecystitis, acute pancreatitis, gastrointestinal disease, chronic diarrhea, etc.). * History of malignancy within the past 5 years other than superficial squamous cell carcinoma (non-invasive on pathology) or basal cell carcinoma (successfully treated with local excision). * History of cervical cancer in situ treated definitively at least 6 months prior to Screening. * Concurrent Medication Is currently taking or has taken any of the following medications in the 8 weeks prior to Screening: * Digoxin * Warfarin and other oral anticoagulants (aspirin and non-steroidal anti-inflammatory drugs are permitted) * Bile acid sequestrants * Niacin (excluding routine vitamin supplementation) * Antiobesity agents (including fat absorption blocking agents) * Oral or injectable corticosteroids (inhaled, topical and intranasal corticosteroids are permitted) * Loop diuretics * Monoamine oxidase inhibitors and tricyclic amines * Antiretroviral drugs * St John's Wort * Oral chromium 9.Breast Feeding 10.Other * Current smoker who is unable to abstain from smoking while in the clinic at each visit * Has a history of alcohol or substance abuse within the past year at Screening or alcohol or substance abuse during treatment, as determined by the investigator: * Unwilling to refrain from the use of illicit drugs and adhere to other protocol-stated restrictions while participating in the study * Has an average weekly intake of alcohol of \>21 units or an average daily intake of \>3 units (males) or an average weekly intake of \>14 units or an average daily intake of \>2 units (females). One unit is equivalent to a half pint of beer or 1 measure of spirits or 1 glass of wine * Has participated in any study with an investigational or marketed drug in the 3 months prior to Screening. * In the opinion of the investigator has a risk of non-compliance with study procedures, or cannot read, understand, or complete study related materials, particularly the informed consent. * Known allergy to any of the tablet or capsule excipients, or history of drug or other allergy, which, in the opinion of the responsible study physician, contraindicates participation.

Design outcomes

Primary

MeasureTime frameDescription
Mean Change From Baseline in Hemoglobin A1c (Glycosylated Hemoglobin) (HbA1c) at Week 12Baseline (Week 0) and at Week 12The blood samples were collected at Baseline, Week 4, Week 8 and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. The primary analysis was performed on the Intent-to-Treat (ITT) Population with Last observation carried forward (LOCF). Adjusted mean is presented as least square (LS) mean.

Secondary

MeasureTime frameDescription
Mean Change From Baseline to Week 12 in Fasting Plasma Glucose (FPG)Baseline (Week 0) and at Week 12The samples were collected at Baseline, Week 2, Week 4, Week 8, Week 12 and Week 14 (follow up). Participants were asked to be on fast for at least 8 hours prior to each study visits and collection of lab samples. Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. The primary analysis was performed on the ITT Population with LOCF. Adjusted mean is presented as LS mean.
Mean Change From Baseline to Week 12 in Fructosamine (Corrected)Baseline (Week 0) and at Week 12The blood samples were collected at Baseline, Week 2, Week 4, Week 8, Week 12 and Week 14 (follow up). Participants were asked to be on fast for at least 8 hours prior to each study visits and collection of lab samples. Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. The primary analysis was performed on the ITT Population with LOCF. Adjusted mean is presented as LS mean.
Number of Participants Who Were HbA1c Responders at Week 12Week 12Differences between treatment groups in the proportion of participants who achieved HbA1c targets of \<=6.5% and \<7% at Week 12 in the ITT population with LOCF were assessed based on a logistic regression model with terms included for treatment and Baseline HbA1c. Differences between treatment groups in the proportion of participants who achieved a clinically meaningful decreases from Baseline in HbA1c (\>=0.7%) at Week 12 were assessed in the same manner.
Number of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Week 12Differences between treatment groups in the proportion of participants who achieved FPG targets of \<7.0 millimoles per liter (mmol/L) (126 milligrams per deciliter \[mg/dL\]) and \<7.8 mmol/L (140 mg/dL) at Week 12 in the ITT population with LOCF were assessed based on a logistic regression model with terms included for treatment and Baseline FPG. The proportion of participants who achieved the target of \<5.5 mmol/L (100 mg/dL) at Week 12 within each treatment group were summarized only. Differences between treatment groups in the proportion of participants who achieved a clinically meaningful decreases from Baseline in FPG (1.7 mmol/L \[\>=30 mg/dL\]) at Week 12 were assessed in the same manner.
Mean Change From Baseline to Week 12 in TriglyceridesBaseline (Week 0) and at Week 12Samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.
Mean Change From Baseline to Week 12 in Total CholesterolBaseline (Week 0) and at Week 12Samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.
Mean Change From Baseline to Week 12 in Low Density Lipoprotein Cholesterol (LDL-c)Baseline (Week 0) and Week 12Blood samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.
Mean Change From Baseline to Week 12 in High Density Lipoprotein Cholesterol (HDL-c)Baseline (Week 0) and Week 12Blood samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.
Mean Change From Baseline in HbA1c at Weeks 4 and 8Baseline (Week 0) and at Week 4 nad 8The blood samples were collected at Baseline, Week 4, Week 8 and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 4 and 8 minus Baseline value. The primary analysis was performed on the ITT Population with LOCF.
Mean Change From Baseline to Week 12 in Total Cholesterol/HDL-c RatioBaseline (Week 0) and Week 12Blood samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.
Mean Change From Baseline to Week 12 in Body WeightBaseline (Week 0) and Week 12Body weight measurement was taken at Baseline, Week 2, Week 4, Week 8, Week 12 and at Week 14 (follow up). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.
Number of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Up to Week 12AE was defined as any untoward medical occurrence in a clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. SAE was defined as any untoward event resulting in death, life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, congenital anomaly/birth defect or any other situation according to medical or scientific judgment.
Number of Participants With On-therapy HypoglycemiaUp to Week 12Participants were provided with a Daily Glucose Monitoring Log to record glucose meter readings and to record symptoms of hypoglycemia. A separate electronic case report form (eCRF) page was provided to capture events of hypoglycemia.
Number of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyUp to Week 12Systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR) were measured pre-dose in duplicate, after the participant has been lying quietly for 5 minutes, and then in duplicate 3 minutes after standing up. Participants were asked to refrain from smoking for at least 30 minutes prior to vital sign measurements.
Number of Participants With Abnormal Electrocardiogram (ECG) Findings at Any Time Post-BaselineUp to Week 12Full 12-lead ECGs were recorded at Randomization (Week 0), Week 4, and Week 12 or early withdrawal. If the QTc was \>500 milliseconds on the locally read ECG recording, an additional 2 ECG recordings at 10 minute intervals were made at that visit. If the average QTc for the 3 recordings was \>500 milliseconds, the participant was withdrawn from the study.
Number of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyUp to Week 12Chemistry parameters: Albumin, Alkaline phosphatase, Alanine animotransferase, Aspartate aminotransferase, Total billirubin, Calcium, Carbon dioxide/Bicarbonate, Glucose, Potassium, Sodium, Phosphorus and Total protein were assessed for abnormal PCI values. Participants were instructed to fast for at least 8 hours prior to all study visits for the collection of laboratory samples. Samples were collected at Baseline, Week 2, Week 4, Week 8, Week 12 and at Week 14 (follow up).
Number of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyUp to Week 12Hematology parameters: Hemoglobin, Hematocrit, Platelet count and White blood cells were assessed for abnormal PCI values. Participants were instructed to fast for at least 8 hours prior to all study visits for the collection of laboratory samples. Samples were collected at Baseline, Week 2, Week 4, Week 8, Week 12 and at Week 14 (follow up).
Mean Change From Baseline to Week 12 in LDL-c/HDL-c RatioBaseline (Week 0) and Week 12Blood samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.

Countries

Canada, Czechia, Estonia, Germany, Greece, India, Lithuania, Mexico, New Zealand, Poland, Puerto Rico, Romania, Russia, South Africa, Ukraine, United States

Participant flow

Recruitment details

The study was conducted at 130 centers in 14 countries (9 European, 3 International countries, Canada, and the United States) during the period from 17 August 2007 to 5 June 2008.

Pre-assignment details

A total of 822 participants with Type 2 Diabetes Mellitus who were treatment naïve, entered the 2-week screening period. Of these, 570 were screen failures. The primary reason for screening failure was the participant not meeting eligibility criteria. Out of 252 randomized participants, 250 participants received study drug.

Participants by arm

ArmCount
Placebo
Participants received 2 placebo tablets matching for GSK189075 BID before breakfast and dinner and 1 placebo capsule matching for Pioglitazone QD before breakfast for 12 weeks
36
GSK189075 100 mg QD
Participants received 2 tablets of GSK189075 50 mg each, 1 placebo capsule matching for Pioglitazone before breakfast and 2 placebo tablets matching for GSK189075 before dinner daily for 12 weeks.
37
GSK189075 250 mg QD
Participants received 2 tablets of GSK189075 125 mg each, 1 placebo capsule matching for Pioglitazone before breakfast and 2 placebo tablets matching for GSK189075 before dinner daily for 12 weeks.
34
GSK189075 500 mg QD
Participants received 2 tablets of GSK189075 250 mg each, 1 placebo capsule matching for Pioglitazone before breakfast and 2 placebo tablets matching for GSK189075 before dinner daily for 12 weeks.
36
GSK189075 1000 mg QD
Participants received 2 tablets of GSK189075 500 mg each, 1 placebo capsule matching for Pioglitazone before breakfast and 2 placebo tablets matching for GSK189075 before dinner daily for 12 weeks.
36
GSK189075 250 mg BID
Participants received 2 tablets of GSK189075 125 mg each, 1 placebo capsule matching for Pioglitazone before breakfast and 2 tablets of GSK189075 125 mg each before dinner daily for 12 weeks.
36
Pioglitazone 30 mg QD
Participants received 2 placebo tablets matching GSK189075, 1 capsule of Pioglitazone 30 mg before breakfast and 2 placebo tablets matching GSK189075 before dinner daily for 12 weeks.
35
Total250

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003FG004FG005FG006
Overall StudyAdverse Event0130111
Overall StudyLack of Efficacy0000001
Overall StudyLiver function test abnormality0100000
Overall StudyLost to Follow-up1131000
Overall StudyProtocol Violation0000120
Overall StudyST depression at randomisation in ECG0100000
Overall StudyWithdrawal by Subject5313323

Baseline characteristics

CharacteristicPlaceboGSK189075 100 mg QDGSK189075 250 mg QDGSK189075 500 mg QDGSK189075 1000 mg QDGSK189075 250 mg BIDPioglitazone 30 mg QDTotal
Age, Continuous50.6 Years
STANDARD_DEVIATION 10.6
53.5 Years
STANDARD_DEVIATION 9.35
54.4 Years
STANDARD_DEVIATION 9.57
52.6 Years
STANDARD_DEVIATION 10.91
54.5 Years
STANDARD_DEVIATION 10.19
50.0 Years
STANDARD_DEVIATION 10.21
53.2 Years
STANDARD_DEVIATION 10.35
52.7 Years
STANDARD_DEVIATION 10.19
Race/Ethnicity, Customized
African American/African Heritage
2 Participants3 Participants3 Participants4 Participants2 Participants4 Participants1 Participants19 Participants
Race/Ethnicity, Customized
American Indian or Alaska Native
0 Participants0 Participants0 Participants0 Participants0 Participants1 Participants2 Participants3 Participants
Race/Ethnicity, Customized
Asian - Central/South Asian Heritage
5 Participants7 Participants3 Participants2 Participants5 Participants5 Participants2 Participants29 Participants
Race/Ethnicity, Customized
Asian - East Asian Heritage
1 Participants0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants1 Participants
Race/Ethnicity, Customized
Asian - South East Asian Heritage
0 Participants1 Participants1 Participants0 Participants0 Participants1 Participants0 Participants3 Participants
Race/Ethnicity, Customized
Mixed Race
1 Participants6 Participants3 Participants6 Participants4 Participants1 Participants6 Participants27 Participants
Race/Ethnicity, Customized
White - Arabic/North African Heritage
2 Participants1 Participants0 Participants0 Participants3 Participants1 Participants1 Participants8 Participants
Race/Ethnicity, Customized
White - White/Caucasian/European Heritage
25 Participants19 Participants24 Participants24 Participants22 Participants23 Participants23 Participants160 Participants
Sex: Female, Male
Female
20 Participants19 Participants14 Participants23 Participants13 Participants21 Participants16 Participants126 Participants
Sex: Female, Male
Male
16 Participants18 Participants20 Participants13 Participants23 Participants15 Participants19 Participants124 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
EG006
affected / at risk
deaths
Total, all-cause mortality
0 / 360 / 370 / 340 / 360 / 360 / 360 / 35
other
Total, other adverse events
3 / 369 / 3711 / 346 / 3617 / 367 / 367 / 35
serious
Total, serious adverse events
0 / 361 / 370 / 340 / 360 / 361 / 360 / 35

Outcome results

Primary

Mean Change From Baseline in Hemoglobin A1c (Glycosylated Hemoglobin) (HbA1c) at Week 12

The blood samples were collected at Baseline, Week 4, Week 8 and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. The primary analysis was performed on the Intent-to-Treat (ITT) Population with Last observation carried forward (LOCF). Adjusted mean is presented as least square (LS) mean.

Time frame: Baseline (Week 0) and at Week 12

Population: ITT Population consisted of all randomized participants who received at least one dose of study medication, had a Baseline assessment, and had at least one corresponding on-therapy efficacy assessment. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboMean Change From Baseline in Hemoglobin A1c (Glycosylated Hemoglobin) (HbA1c) at Week 12-0.19 PercentageStandard Error 0.141
GSK189075 100 mg QDMean Change From Baseline in Hemoglobin A1c (Glycosylated Hemoglobin) (HbA1c) at Week 12-0.53 PercentageStandard Error 0.135
GSK189075 250 mg QDMean Change From Baseline in Hemoglobin A1c (Glycosylated Hemoglobin) (HbA1c) at Week 12-0.75 PercentageStandard Error 0.143
GSK189075 500 mg QDMean Change From Baseline in Hemoglobin A1c (Glycosylated Hemoglobin) (HbA1c) at Week 12-0.53 PercentageStandard Error 0.139
GSK189075 1000 mg QDMean Change From Baseline in Hemoglobin A1c (Glycosylated Hemoglobin) (HbA1c) at Week 12-0.85 PercentageStandard Error 0.137
GSK189075 250 mg BIDMean Change From Baseline in Hemoglobin A1c (Glycosylated Hemoglobin) (HbA1c) at Week 12-0.78 PercentageStandard Error 0.137
Pioglitazone 30 mg QDMean Change From Baseline in Hemoglobin A1c (Glycosylated Hemoglobin) (HbA1c) at Week 12-0.38 PercentageStandard Error 0.139
p-value: 0.003ANCOVA
p-value: 0.047ANCOVA
p-value: 0.006ANCOVA
p-value: 0.085ANCOVA
p-value: 0.08595% CI: [-0.73, 0.05]ANCOVA
p-value: 0.00695% CI: [-0.95, -0.16]ANCOVA
p-value: 0.08495% CI: [-0.73, 0.05]ANCOVA
p-value: 0.00195% CI: [-1.05, -0.28]ANCOVA
p-value: 0.00395% CI: [-0.97, -0.2]ANCOVA
p-value: 0.33795% CI: [-0.58, 0.2]ANCOVA
Secondary

Mean Change From Baseline in HbA1c at Weeks 4 and 8

The blood samples were collected at Baseline, Week 4, Week 8 and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 4 and 8 minus Baseline value. The primary analysis was performed on the ITT Population with LOCF.

Time frame: Baseline (Week 0) and at Week 4 nad 8

Population: ITT Population. Only those participants available at the specified time points were analyzed.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboMean Change From Baseline in HbA1c at Weeks 4 and 8Week 8-0.08 PercentageStandard Deviation 0.943
PlaceboMean Change From Baseline in HbA1c at Weeks 4 and 8Week 4-0.18 PercentageStandard Deviation 0.523
GSK189075 100 mg QDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 4-0.37 PercentageStandard Deviation 0.437
GSK189075 100 mg QDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 8-0.42 PercentageStandard Deviation 0.72
GSK189075 250 mg QDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 4-0.57 PercentageStandard Deviation 0.639
GSK189075 250 mg QDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 8-0.76 PercentageStandard Deviation 0.671
GSK189075 500 mg QDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 4-0.40 PercentageStandard Deviation 0.528
GSK189075 500 mg QDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 8-0.60 PercentageStandard Deviation 0.827
GSK189075 1000 mg QDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 8-0.77 PercentageStandard Deviation 0.66
GSK189075 1000 mg QDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 4-0.45 PercentageStandard Deviation 0.601
GSK189075 250 mg BIDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 4-0.31 PercentageStandard Deviation 0.541
GSK189075 250 mg BIDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 8-0.67 PercentageStandard Deviation 0.646
Pioglitazone 30 mg QDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 4-0.07 PercentageStandard Deviation 0.579
Pioglitazone 30 mg QDMean Change From Baseline in HbA1c at Weeks 4 and 8Week 8-0.25 PercentageStandard Deviation 0.819
Secondary

Mean Change From Baseline to Week 12 in Body Weight

Body weight measurement was taken at Baseline, Week 2, Week 4, Week 8, Week 12 and at Week 14 (follow up). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.

Time frame: Baseline (Week 0) and Week 12

Population: ITT Population with LOCF.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboMean Change From Baseline to Week 12 in Body Weight-1.03 kilogramsStandard Error 0.426
GSK189075 100 mg QDMean Change From Baseline to Week 12 in Body Weight-1.52 kilogramsStandard Error 0.402
GSK189075 250 mg QDMean Change From Baseline to Week 12 in Body Weight-2.54 kilogramsStandard Error 0.425
GSK189075 500 mg QDMean Change From Baseline to Week 12 in Body Weight-2.46 kilogramsStandard Error 0.419
GSK189075 1000 mg QDMean Change From Baseline to Week 12 in Body Weight-2.47 kilogramsStandard Error 0.413
GSK189075 250 mg BIDMean Change From Baseline to Week 12 in Body Weight-2.11 kilogramsStandard Error 0.413
Pioglitazone 30 mg QDMean Change From Baseline to Week 12 in Body Weight0.00 kilogramsStandard Error 0.419
p-value: 0.39695% CI: [-1.65, 0.66]ANCOVA
p-value: 0.01395% CI: [-2.7, -0.33]ANCOVA
p-value: 0.01795% CI: [-2.61, -0.26]ANCOVA
p-value: 0.01595% CI: [-2.61, -0.28]ANCOVA
p-value: 0.06995% CI: [-2.26, 0.08]ANCOVA
p-value: 0.08695% CI: [-0.15, 2.2]ANCOVA
Secondary

Mean Change From Baseline to Week 12 in Fasting Plasma Glucose (FPG)

The samples were collected at Baseline, Week 2, Week 4, Week 8, Week 12 and Week 14 (follow up). Participants were asked to be on fast for at least 8 hours prior to each study visits and collection of lab samples. Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. The primary analysis was performed on the ITT Population with LOCF. Adjusted mean is presented as LS mean.

Time frame: Baseline (Week 0) and at Week 12

Population: ITT Population. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboMean Change From Baseline to Week 12 in Fasting Plasma Glucose (FPG)-0.50 millimoles per liter (mmol/L)Standard Error 0.298
GSK189075 100 mg QDMean Change From Baseline to Week 12 in Fasting Plasma Glucose (FPG)-1.35 millimoles per liter (mmol/L)Standard Error 0.286
GSK189075 250 mg QDMean Change From Baseline to Week 12 in Fasting Plasma Glucose (FPG)-1.56 millimoles per liter (mmol/L)Standard Error 0.298
GSK189075 500 mg QDMean Change From Baseline to Week 12 in Fasting Plasma Glucose (FPG)-1.13 millimoles per liter (mmol/L)Standard Error 0.294
GSK189075 1000 mg QDMean Change From Baseline to Week 12 in Fasting Plasma Glucose (FPG)-1.45 millimoles per liter (mmol/L)Standard Error 0.289
GSK189075 250 mg BIDMean Change From Baseline to Week 12 in Fasting Plasma Glucose (FPG)-1.63 millimoles per liter (mmol/L)Standard Error 0.289
Pioglitazone 30 mg QDMean Change From Baseline to Week 12 in Fasting Plasma Glucose (FPG)-1.01 millimoles per liter (mmol/L)Standard Error 0.295
p-value: 0.03995% CI: [-1.67, -0.04]ANCOVA
p-value: 0.01395% CI: [-1.89, -0.23]ANCOVA
p-value: 0.13195% CI: [-1.46, 0.19]ANCOVA
p-value: 0.02395% CI: [-1.77, -0.13]ANCOVA
p-value: 0.00795% CI: [-1.95, -0.32]ANCOVA
p-value: 0.22395% CI: [-1.34, 0.32]ANCOVA
Secondary

Mean Change From Baseline to Week 12 in Fructosamine (Corrected)

The blood samples were collected at Baseline, Week 2, Week 4, Week 8, Week 12 and Week 14 (follow up). Participants were asked to be on fast for at least 8 hours prior to each study visits and collection of lab samples. Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. The primary analysis was performed on the ITT Population with LOCF. Adjusted mean is presented as LS mean.

Time frame: Baseline (Week 0) and at Week 12

Population: ITT Population. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboMean Change From Baseline to Week 12 in Fructosamine (Corrected)-1.4 micromoles per liter (µmol/L)Standard Error 6.12
GSK189075 100 mg QDMean Change From Baseline to Week 12 in Fructosamine (Corrected)-25.5 micromoles per liter (µmol/L)Standard Error 5.94
GSK189075 250 mg QDMean Change From Baseline to Week 12 in Fructosamine (Corrected)-36.3 micromoles per liter (µmol/L)Standard Error 6.44
GSK189075 500 mg QDMean Change From Baseline to Week 12 in Fructosamine (Corrected)-31.2 micromoles per liter (µmol/L)Standard Error 6.12
GSK189075 1000 mg QDMean Change From Baseline to Week 12 in Fructosamine (Corrected)-37.9 micromoles per liter (µmol/L)Standard Error 6.12
GSK189075 250 mg BIDMean Change From Baseline to Week 12 in Fructosamine (Corrected)-30.9 micromoles per liter (µmol/L)Standard Error 5.94
Pioglitazone 30 mg QDMean Change From Baseline to Week 12 in Fructosamine (Corrected)-15.2 micromoles per liter (µmol/L)Standard Error 6.18
p-value: 0.00595% CI: [-40.9, -7.4]ANCOVA
p-value: <0.00195% CI: [-52.5, -17.4]ANCOVA
p-value: 0.00195% CI: [-46.9, -12.7]ANCOVA
p-value: <0.00195% CI: [-53.6, -19.5]ANCOVA
p-value: 0.00195% CI: [-46.3, -12.7]ANCOVA
p-value: 0.11495% CI: [-31, 3.4]ANCOVA
Secondary

Mean Change From Baseline to Week 12 in High Density Lipoprotein Cholesterol (HDL-c)

Blood samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.

Time frame: Baseline (Week 0) and Week 12

Population: ITT Population with LOCF. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboMean Change From Baseline to Week 12 in High Density Lipoprotein Cholesterol (HDL-c)-0.02 mmol/LStandard Error 0.027
GSK189075 100 mg QDMean Change From Baseline to Week 12 in High Density Lipoprotein Cholesterol (HDL-c)0.00 mmol/LStandard Error 0.026
GSK189075 250 mg QDMean Change From Baseline to Week 12 in High Density Lipoprotein Cholesterol (HDL-c)0.02 mmol/LStandard Error 0.028
GSK189075 500 mg QDMean Change From Baseline to Week 12 in High Density Lipoprotein Cholesterol (HDL-c)0.06 mmol/LStandard Error 0.026
GSK189075 1000 mg QDMean Change From Baseline to Week 12 in High Density Lipoprotein Cholesterol (HDL-c)0.05 mmol/LStandard Error 0.027
GSK189075 250 mg BIDMean Change From Baseline to Week 12 in High Density Lipoprotein Cholesterol (HDL-c)0.04 mmol/LStandard Error 0.027
Pioglitazone 30 mg QDMean Change From Baseline to Week 12 in High Density Lipoprotein Cholesterol (HDL-c)0.09 mmol/LStandard Error 0.026
p-value: 0.51895% CI: [-0.05, 0.1]ANCOVA
p-value: 0.35295% CI: [-0.04, 0.11]ANCOVA
p-value: 0.02695% CI: [0.01, 0.16]ANCOVA
p-value: 0.06995% CI: [-0.01, 0.14]ANCOVA
p-value: 0.15495% CI: [-0.02, 0.13]ANCOVA
p-value: 0.00595% CI: [0.03, 0.18]ANCOVA
Secondary

Mean Change From Baseline to Week 12 in LDL-c/HDL-c Ratio

Blood samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.

Time frame: Baseline (Week 0) and Week 12

Population: ITT Population with LOCF. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboMean Change From Baseline to Week 12 in LDL-c/HDL-c Ratio0.06 RatioStandard Error 0.119
GSK189075 100 mg QDMean Change From Baseline to Week 12 in LDL-c/HDL-c Ratio-0.19 RatioStandard Error 0.121
GSK189075 250 mg QDMean Change From Baseline to Week 12 in LDL-c/HDL-c Ratio-0.06 RatioStandard Error 0.127
GSK189075 500 mg QDMean Change From Baseline to Week 12 in LDL-c/HDL-c Ratio-0.13 RatioStandard Error 0.12
GSK189075 1000 mg QDMean Change From Baseline to Week 12 in LDL-c/HDL-c Ratio-0.07 RatioStandard Error 0.121
GSK189075 250 mg BIDMean Change From Baseline to Week 12 in LDL-c/HDL-c Ratio0.10 RatioStandard Error 0.122
Pioglitazone 30 mg QDMean Change From Baseline to Week 12 in LDL-c/HDL-c Ratio-0.07 RatioStandard Error 0.12
p-value: 0.14395% CI: [-0.58, 0.08]ANCOVA
p-value: 0.49595% CI: [-0.46, 0.22]ANCOVA
p-value: 0.26195% CI: [-0.52, 0.14]ANCOVA
p-value: 0.44695% CI: [-0.46, 0.2]ANCOVA
p-value: 0.78395% CI: [-0.29, 0.38]ANCOVA
p-value: 0.45495% CI: [-0.46, 0.21]ANCOVA
Secondary

Mean Change From Baseline to Week 12 in Low Density Lipoprotein Cholesterol (LDL-c)

Blood samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.

Time frame: Baseline (Week 0) and Week 12

Population: ITT Population with LOCF. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboMean Change From Baseline to Week 12 in Low Density Lipoprotein Cholesterol (LDL-c)-0.02 mmol/LStandard Error 0.111
GSK189075 100 mg QDMean Change From Baseline to Week 12 in Low Density Lipoprotein Cholesterol (LDL-c)-0.17 mmol/LStandard Error 0.113
GSK189075 250 mg QDMean Change From Baseline to Week 12 in Low Density Lipoprotein Cholesterol (LDL-c)-0.03 mmol/LStandard Error 0.119
GSK189075 500 mg QDMean Change From Baseline to Week 12 in Low Density Lipoprotein Cholesterol (LDL-c)0.08 mmol/LStandard Error 0.114
GSK189075 1000 mg QDMean Change From Baseline to Week 12 in Low Density Lipoprotein Cholesterol (LDL-c)-0.04 mmol/LStandard Error 0.113
GSK189075 250 mg BIDMean Change From Baseline to Week 12 in Low Density Lipoprotein Cholesterol (LDL-c)0.23 mmol/LStandard Error 0.115
Pioglitazone 30 mg QDMean Change From Baseline to Week 12 in Low Density Lipoprotein Cholesterol (LDL-c)0.07 mmol/LStandard Error 0.112
p-value: 0.34895% CI: [-0.46, 0.16]ANCOVA
p-value: 0.95295% CI: [-0.33, 0.31]ANCOVA
p-value: 0.52395% CI: [-0.21, 0.42]ANCOVA
p-value: 0.88995% CI: [-0.34, 0.29]ANCOVA
p-value: 0.12495% CI: [-0.07, 0.56]ANCOVA
p-value: 0.58195% CI: [-0.22, 0.4]ANCOVA
Secondary

Mean Change From Baseline to Week 12 in Total Cholesterol

Samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.

Time frame: Baseline (Week 0) and at Week 12

Population: ITT Population with LOCF. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboMean Change From Baseline to Week 12 in Total Cholesterol-0.03 mmol/LStandard Error 0.127
GSK189075 100 mg QDMean Change From Baseline to Week 12 in Total Cholesterol-0.08 mmol/LStandard Error 0.124
GSK189075 250 mg QDMean Change From Baseline to Week 12 in Total Cholesterol-0.12 mmol/LStandard Error 0.136
GSK189075 500 mg QDMean Change From Baseline to Week 12 in Total Cholesterol0.10 mmol/LStandard Error 0.126
GSK189075 1000 mg QDMean Change From Baseline to Week 12 in Total Cholesterol-0.02 mmol/LStandard Error 0.129
GSK189075 250 mg BIDMean Change From Baseline to Week 12 in Total Cholesterol0.22 mmol/LStandard Error 0.132
Pioglitazone 30 mg QDMean Change From Baseline to Week 12 in Total Cholesterol0.00 mmol/LStandard Error 0.128
p-value: 0.76795% CI: [-0.4, 0.3]ANCOVA
p-value: 0.60495% CI: [-0.46, 0.27]ANCOVA
p-value: 0.48395% CI: [-0.23, 0.48]ANCOVA
p-value: 0.95695% CI: [-0.35, 0.37]ANCOVA
p-value: 0.18595% CI: [-0.12, 0.6]ANCOVA
p-value: 0.86395% CI: [-0.32, 0.39]ANCOVA
Secondary

Mean Change From Baseline to Week 12 in Total Cholesterol/HDL-c Ratio

Blood samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.

Time frame: Baseline (Week 0) and Week 12

Population: ITT Population with LOCF. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboMean Change From Baseline to Week 12 in Total Cholesterol/HDL-c Ratio0.14 RatioStandard Error 0.146
GSK189075 100 mg QDMean Change From Baseline to Week 12 in Total Cholesterol/HDL-c Ratio-0.05 RatioStandard Error 0.142
GSK189075 250 mg QDMean Change From Baseline to Week 12 in Total Cholesterol/HDL-c Ratio-0.20 RatioStandard Error 0.156
GSK189075 500 mg QDMean Change From Baseline to Week 12 in Total Cholesterol/HDL-c Ratio-0.22 RatioStandard Error 0.144
GSK189075 1000 mg QDMean Change From Baseline to Week 12 in Total Cholesterol/HDL-c Ratio-0.09 RatioStandard Error 0.149
GSK189075 250 mg BIDMean Change From Baseline to Week 12 in Total Cholesterol/HDL-c Ratio0.01 RatioStandard Error 0.151
Pioglitazone 30 mg QDMean Change From Baseline to Week 12 in Total Cholesterol/HDL-c Ratio-0.26 RatioStandard Error 0.147
p-value: 0.36395% CI: [-0.59, 0.22]ANCOVA
p-value: 0.11195% CI: [-0.76, 0.08]ANCOVA
p-value: 0.0895% CI: [-0.77, 0.04]ANCOVA
p-value: 0.26795% CI: [-0.64, 0.18]ANCOVA
p-value: 0.54995% CI: [-0.54, 0.29]ANCOVA
p-value: 0.05695% CI: [-0.81, 0.01]ANCOVA
Secondary

Mean Change From Baseline to Week 12 in Triglycerides

Samples were collected at Baseline and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. Adjusted mean is presented as LS mean.

Time frame: Baseline (Week 0) and at Week 12

Population: ITT Population with LOCF. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboMean Change From Baseline to Week 12 in Triglycerides-0.01 mmol/LStandard Error 0.142
GSK189075 100 mg QDMean Change From Baseline to Week 12 in Triglycerides0.19 mmol/LStandard Error 0.138
GSK189075 250 mg QDMean Change From Baseline to Week 12 in Triglycerides-0.32 mmol/LStandard Error 0.152
GSK189075 500 mg QDMean Change From Baseline to Week 12 in Triglycerides-0.16 mmol/LStandard Error 0.14
GSK189075 1000 mg QDMean Change From Baseline to Week 12 in Triglycerides-0.05 mmol/LStandard Error 0.144
GSK189075 250 mg BIDMean Change From Baseline to Week 12 in Triglycerides-0.18 mmol/LStandard Error 0.147
Pioglitazone 30 mg QDMean Change From Baseline to Week 12 in Triglycerides-0.37 mmol/LStandard Error 0.142
p-value: 0.31895% CI: [-0.19, 0.59]ANCOVA
p-value: 0.13195% CI: [-0.73, 0.1]ANCOVA
p-value: 0.45295% CI: [-0.54, 0.24]ANCOVA
p-value: 0.84595% CI: [-0.44, 0.36]ANCOVA
p-value: 0.39395% CI: [-0.58, 0.23]ANCOVA
p-value: 0.07295% CI: [-0.76, 0.03]ANCOVA
Secondary

Number of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12

Differences between treatment groups in the proportion of participants who achieved FPG targets of \<7.0 millimoles per liter (mmol/L) (126 milligrams per deciliter \[mg/dL\]) and \<7.8 mmol/L (140 mg/dL) at Week 12 in the ITT population with LOCF were assessed based on a logistic regression model with terms included for treatment and Baseline FPG. The proportion of participants who achieved the target of \<5.5 mmol/L (100 mg/dL) at Week 12 within each treatment group were summarized only. Differences between treatment groups in the proportion of participants who achieved a clinically meaningful decreases from Baseline in FPG (1.7 mmol/L \[\>=30 mg/dL\]) at Week 12 were assessed in the same manner.

Time frame: Week 12

Population: ITT Population. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7 mmol/L)6 Participants
PlaceboNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7.8 mmol/L)13 Participants
PlaceboNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (reduction >=1.7 mmol/L)5 Participants
GSK189075 100 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7.8 mmol/L)20 Participants
GSK189075 100 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7 mmol/L)10 Participants
GSK189075 100 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (reduction >=1.7 mmol/L)9 Participants
GSK189075 250 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7.8 mmol/L)19 Participants
GSK189075 250 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7 mmol/L)14 Participants
GSK189075 250 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (reduction >=1.7 mmol/L)13 Participants
GSK189075 500 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7 mmol/L)11 Participants
GSK189075 500 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7.8 mmol/L)17 Participants
GSK189075 500 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (reduction >=1.7 mmol/L)11 Participants
GSK189075 1000 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (reduction >=1.7 mmol/L)14 Participants
GSK189075 1000 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7.8 mmol/L)21 Participants
GSK189075 1000 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7 mmol/L)12 Participants
GSK189075 250 mg BIDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (reduction >=1.7 mmol/L)19 Participants
GSK189075 250 mg BIDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7 mmol/L)14 Participants
GSK189075 250 mg BIDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7.8 mmol/L)22 Participants
Pioglitazone 30 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (reduction >=1.7 mmol/L)17 Participants
Pioglitazone 30 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7 mmol/L)13 Participants
Pioglitazone 30 mg QDNumber of Participants Who Were Fasting Plasma Glucose (FPG) Responders at Week 12Responders (<7.8 mmol/L)15 Participants
Comparison: Placebo vs GSK189075 100 mg QD: Responders (\<7 mmol/L)p-value: 0.4895% CI: [0.46, 5.28]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg QD: Responders (\<7 mmol/L)p-value: 0.01195% CI: [1.44, 16.46]Regression, Logistic
Comparison: Placebo vs GSK189075 500 mg QD: Responders (\<7 mmol/L)p-value: 0.08795% CI: [0.85, 9.96]Regression, Logistic
Comparison: Placebo vs GSK189075 1000 mg QD: Responders (\<7 mmol/L)p-value: 0.08295% CI: [0.87, 9.78]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg BID: Responders (\<7 mmol/L)p-value: 0.02495% CI: [1.2, 13.27]Regression, Logistic
Comparison: Placebo vs Pioglitazone 30 mg QD: Responders (\<7 mmol/L)p-value: 0.01295% CI: [1.41, 16.66]Regression, Logistic
Comparison: Placebo vs GSK189075 100 mg QD: Responders (\<7.8 mmol/L)p-value: 0.2795% CI: [0.62, 5.54]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg QD: Responders (\<7.8 mmol/L)p-value: 0.04395% CI: [1.04, 9.72]Regression, Logistic
Comparison: Placebo vs GSK189075 500 mg QD: Responders (\<7.8 mmol/L)p-value: 0.16995% CI: [0.72, 6.53]Regression, Logistic
Comparison: Placebo vs GSK189075 1000 mg QD: Responders (\<7.8 mmol/L)p-value: 0.04295% CI: [1.04, 9.36]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg BID: Responders (\<7.8 mmol/L)p-value: 0.0295% CI: [1.23, 11.06]Regression, Logistic
Comparison: Placebo vs Pioglitazone 30 mg QD: Responders (\<7.8 mmol/L)p-value: 0.21195% CI: [0.67, 6.24]Regression, Logistic
Comparison: Placebo vs GSK189075 100 mg QD: Responders (reduction \>=1.7 mmol/L)p-value: 0.17995% CI: [0.61, 13.75]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg QD: Responders (reduction \>=1.7 mmol/L)p-value: 0.0395% CI: [1.17, 20.87]Regression, Logistic
Comparison: Placebo vs GSK189075 500 mg QD: Responders (reduction \>=1.7 mmol/L)p-value: 0.14295% CI: [0.69, 12.86]Regression, Logistic
Comparison: Placebo vs GSK189075 1000 mg QD: Responders (reduction \>=1.7 mmol/L)p-value: 0.01295% CI: [1.49, 25.83]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg BID: Responders (reduction \>=1.7 mmol/L)p-value: <0.00195% CI: [3.14, 54]Regression, Logistic
Comparison: Placebo vs Pioglitazone 30 mg QD: Responders (reduction \>=1.7 mmol/L)p-value: 0.0195% CI: [1.56, 27.99]Regression, Logistic
Secondary

Number of Participants Who Were HbA1c Responders at Week 12

Differences between treatment groups in the proportion of participants who achieved HbA1c targets of \<=6.5% and \<7% at Week 12 in the ITT population with LOCF were assessed based on a logistic regression model with terms included for treatment and Baseline HbA1c. Differences between treatment groups in the proportion of participants who achieved a clinically meaningful decreases from Baseline in HbA1c (\>=0.7%) at Week 12 were assessed in the same manner.

Time frame: Week 12

Population: ITT Population. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants Who Were HbA1c Responders at Week 12Responders (reduction>=0.7%)9 Participants
PlaceboNumber of Participants Who Were HbA1c Responders at Week 12Responders (<7%)7 Participants
PlaceboNumber of Participants Who Were HbA1c Responders at Week 12Responders (<=6.5%)3 Participants
GSK189075 100 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<7%)11 Participants
GSK189075 100 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<=6.5%)5 Participants
GSK189075 100 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (reduction>=0.7%)13 Participants
GSK189075 250 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (reduction>=0.7%)18 Participants
GSK189075 250 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<=6.5%)4 Participants
GSK189075 250 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<7%)12 Participants
GSK189075 500 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<7%)10 Participants
GSK189075 500 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<=6.5%)4 Participants
GSK189075 500 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (reduction>=0.7%)13 Participants
GSK189075 1000 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<7%)13 Participants
GSK189075 1000 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<=6.5%)7 Participants
GSK189075 1000 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (reduction>=0.7%)18 Participants
GSK189075 250 mg BIDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<=6.5%)6 Participants
GSK189075 250 mg BIDNumber of Participants Who Were HbA1c Responders at Week 12Responders (reduction>=0.7%)21 Participants
GSK189075 250 mg BIDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<7%)15 Participants
Pioglitazone 30 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (reduction>=0.7%)13 Participants
Pioglitazone 30 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<7%)11 Participants
Pioglitazone 30 mg QDNumber of Participants Who Were HbA1c Responders at Week 12Responders (<=6.5%)4 Participants
Comparison: Placebo vs GSK189075 100 mg QD: Responders (\<=6.5%)p-value: 0.75795% CI: [0.27, 6.06]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg QD: Responders (\<=6.5%)p-value: 0.5895% CI: [0.31, 8.01]Regression, Logistic
Comparison: Placebo vs GSK189075 500 mg QD: Responders (\<=6.5%)p-value: 0.88195% CI: [0.22, 5.73]Regression, Logistic
Comparison: Placebo vs GSK189075 1000 mg QD: Responders (\<=6.5%)p-value: 0.38295% CI: [0.44, 8.75]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg BID: Responders (\<=6.5%)p-value: 0.40995% CI: [0.42, 8.68]Regression, Logistic
Comparison: Placebo vs Pioglitazone 30 mg QD: Responders (\<=6.5%)p-value: 0.79595% CI: [0.24, 6.29]Regression, Logistic
Comparison: Placebo vs GSK189075 100 mg QD: Responders (\<7%)p-value: 0.76595% CI: [0.36, 3.95]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg QD: Responders (\<7%)p-value: 0.195% CI: [0.82, 9.09]Regression, Logistic
Comparison: Placebo vs GSK189075 500 mg QD: Responders (\<7%)p-value: 0.68795% CI: [0.38, 4.3]Regression, Logistic
Comparison: Placebo vs GSK189075 1000 mg QD: Responders (\<7%)p-value: 0.40995% CI: [0.5, 5.52]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg BID: Responders (\<7%)p-value: 0.08695% CI: [0.86, 9.15]Regression, Logistic
Comparison: Placebo vs Pioglitazone 30 mg QD: Responders (\<7%)p-value: 0.36995% CI: [0.52, 5.88]Regression, Logistic
Comparison: Placebo vs GSK189075 100 mg QD: Responders (reduction\>=0.7%)p-value: 0.1695% CI: [0.74, 6.4]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg QD: Responders (reduction\>=0.7%)p-value: 0.01495% CI: [1.31, 11.42]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg QD: Responders (reduction\>=0.7%)p-value: 0.16295% CI: [0.73, 6.44]Regression, Logistic
Comparison: Placebo vs GSK189075 1000 mg QD: Responders (reduction\>=0.7%)p-value: 0.01195% CI: [1.38, 12.17]Regression, Logistic
Comparison: Placebo vs GSK189075 250 mg BID: Responders (reduction\>=0.7%)p-value: 0.00395% CI: [1.79, 15.73]Regression, Logistic
Comparison: Placebo vs Pioglitazone 30 mg QD: Responders (reduction\>=0.7%)p-value: 0.26495% CI: [0.63, 5.49]Regression, Logistic
Secondary

Number of Participants With Abnormal Chemistry Value of PCI at Any Time on Therapy

Chemistry parameters: Albumin, Alkaline phosphatase, Alanine animotransferase, Aspartate aminotransferase, Total billirubin, Calcium, Carbon dioxide/Bicarbonate, Glucose, Potassium, Sodium, Phosphorus and Total protein were assessed for abnormal PCI values. Participants were instructed to fast for at least 8 hours prior to all study visits for the collection of laboratory samples. Samples were collected at Baseline, Week 2, Week 4, Week 8, Week 12 and at Week 14 (follow up).

Time frame: Up to Week 12

Population: Safety Population. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, high0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlkaline phosphatase, high0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyGlucose, high1 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, low0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAspartate aminotransferase, high0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPhosphorus, high0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, low0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlanine aminotransferase, high0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on Therapycarbon dioxide content/Bicarbonate, low0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlbumin, low0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyCalcium, low0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal bilirubin, high1 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapySodium, high0 Participants
PlaceboNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, high0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, low1 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyGlucose, high0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on Therapycarbon dioxide content/Bicarbonate, low2 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapySodium, high1 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlbumin, low1 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, high1 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlkaline phosphatase, high1 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPhosphorus, high0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlanine aminotransferase, high1 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, low1 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAspartate aminotransferase, high1 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal bilirubin, high1 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, high0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyCalcium, low1 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAspartate aminotransferase, high0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlkaline phosphatase, high0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapySodium, high0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, high0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, low0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlbumin, low0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on Therapycarbon dioxide content/Bicarbonate, low0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal bilirubin, high0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyCalcium, low3 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlanine aminotransferase, high0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyGlucose, high0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPhosphorus, high0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, low0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, high1 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlbumin, low0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlkaline phosphatase, high0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlanine aminotransferase, high0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAspartate aminotransferase, high0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal bilirubin, high0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyCalcium, low0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on Therapycarbon dioxide content/Bicarbonate, low1 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyGlucose, high0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, high0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, low0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapySodium, high0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPhosphorus, high1 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, high0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, low0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlbumin, low0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyCalcium, low0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAspartate aminotransferase, high0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPhosphorus, high0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapySodium, high0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on Therapycarbon dioxide content/Bicarbonate, low1 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, low0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlkaline phosphatase, high0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyGlucose, high0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal bilirubin, high1 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, high0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlanine aminotransferase, high0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, low0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, high2 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, low0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyCalcium, low2 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, high1 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal bilirubin, high1 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlkaline phosphatase, high0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, low0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAspartate aminotransferase, high0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapySodium, high0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPhosphorus, high0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlbumin, low0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, high0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on Therapycarbon dioxide content/Bicarbonate, low1 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlanine aminotransferase, high0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyGlucose, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlbumin, low0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPotassium, low0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyGlucose, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAspartate aminotransferase, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyCalcium, low0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal bilirubin, high2 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlkaline phosphatase, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyAlanine aminotransferase, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapySodium, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyTotal protein, low0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on Therapycarbon dioxide content/Bicarbonate, low0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Chemistry Value of PCI at Any Time on TherapyPhosphorus, high0 Participants
Secondary

Number of Participants With Abnormal Electrocardiogram (ECG) Findings at Any Time Post-Baseline

Full 12-lead ECGs were recorded at Randomization (Week 0), Week 4, and Week 12 or early withdrawal. If the QTc was \>500 milliseconds on the locally read ECG recording, an additional 2 ECG recordings at 10 minute intervals were made at that visit. If the average QTc for the 3 recordings was \>500 milliseconds, the participant was withdrawn from the study.

Time frame: Up to Week 12

Population: Safety Population. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Abnormal Electrocardiogram (ECG) Findings at Any Time Post-Baseline9 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Electrocardiogram (ECG) Findings at Any Time Post-Baseline12 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Electrocardiogram (ECG) Findings at Any Time Post-Baseline11 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Electrocardiogram (ECG) Findings at Any Time Post-Baseline7 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Electrocardiogram (ECG) Findings at Any Time Post-Baseline14 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Electrocardiogram (ECG) Findings at Any Time Post-Baseline7 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Electrocardiogram (ECG) Findings at Any Time Post-Baseline8 Participants
Secondary

Number of Participants With Abnormal Hematology Value of PCI at Any Time on Therapy

Hematology parameters: Hemoglobin, Hematocrit, Platelet count and White blood cells were assessed for abnormal PCI values. Participants were instructed to fast for at least 8 hours prior to all study visits for the collection of laboratory samples. Samples were collected at Baseline, Week 2, Week 4, Week 8, Week 12 and at Week 14 (follow up).

Time frame: Up to Week 12

Population: Safety population. Only those participants available at the specified time points were analyzed.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, low1 Participants
PlaceboNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, low2 Participants
PlaceboNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, high1 Participants
PlaceboNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, high0 Participants
PlaceboNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, high1 Participants
PlaceboNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, low1 Participants
PlaceboNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyWhite blood cell count, low0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, high0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, high0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, high0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyWhite blood cell count, low0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, low0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, low0 Participants
GSK189075 100 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, low2 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, high0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, low0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, low0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, high0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyWhite blood cell count, low0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, low0 Participants
GSK189075 250 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, high0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, low0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, low0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, low0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyWhite blood cell count, low0 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, high1 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, high1 Participants
GSK189075 500 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, high0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, high2 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, low0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, high0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, low0 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyWhite blood cell count, low1 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, low1 Participants
GSK189075 1000 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, high2 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyWhite blood cell count, low0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, high0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, low0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, high0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, low0 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, high2 Participants
GSK189075 250 mg BIDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, low0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, low0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyPlatelet count, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, low0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHematocrit, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, low1 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyHemoglobin, high0 Participants
Pioglitazone 30 mg QDNumber of Participants With Abnormal Hematology Value of PCI at Any Time on TherapyWhite blood cell count, low1 Participants
Secondary

Number of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)

AE was defined as any untoward medical occurrence in a clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. SAE was defined as any untoward event resulting in death, life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, congenital anomaly/birth defect or any other situation according to medical or scientific judgment.

Time frame: Up to Week 12

Population: Safety Population consisted of all participants who received at least one dose of study medication.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any AEs8 Participants
PlaceboNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any SAEs0 Participants
GSK189075 100 mg QDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any AEs15 Participants
GSK189075 100 mg QDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any SAEs1 Participants
GSK189075 250 mg QDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any AEs20 Participants
GSK189075 250 mg QDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any SAEs0 Participants
GSK189075 500 mg QDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any AEs11 Participants
GSK189075 500 mg QDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any SAEs0 Participants
GSK189075 1000 mg QDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any AEs21 Participants
GSK189075 1000 mg QDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any SAEs0 Participants
GSK189075 250 mg BIDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any AEs20 Participants
GSK189075 250 mg BIDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any SAEs1 Participants
Pioglitazone 30 mg QDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any AEs12 Participants
Pioglitazone 30 mg QDNumber of Participants With Any On-therapy Adverse Events (AEs) and Serious Adverse Events (SAEs)Any SAEs0 Participants
Secondary

Number of Participants With On-therapy Hypoglycemia

Participants were provided with a Daily Glucose Monitoring Log to record glucose meter readings and to record symptoms of hypoglycemia. A separate electronic case report form (eCRF) page was provided to capture events of hypoglycemia.

Time frame: Up to Week 12

Population: Safety Population.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With On-therapy Hypoglycemia0 Participants
GSK189075 100 mg QDNumber of Participants With On-therapy Hypoglycemia1 Participants
GSK189075 250 mg QDNumber of Participants With On-therapy Hypoglycemia0 Participants
GSK189075 500 mg QDNumber of Participants With On-therapy Hypoglycemia2 Participants
GSK189075 1000 mg QDNumber of Participants With On-therapy Hypoglycemia1 Participants
GSK189075 250 mg BIDNumber of Participants With On-therapy Hypoglycemia1 Participants
Pioglitazone 30 mg QDNumber of Participants With On-therapy Hypoglycemia0 Participants
Secondary

Number of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on Therapy

Systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR) were measured pre-dose in duplicate, after the participant has been lying quietly for 5 minutes, and then in duplicate 3 minutes after standing up. Participants were asked to refrain from smoking for at least 30 minutes prior to vital sign measurements.

Time frame: Up to Week 12

Population: Safety Population. Only those participants with data available at the indicated time points were analyzed.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic SBP, standing, low1 Participants
PlaceboNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyHR, supine, low1 Participants
PlaceboNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyDBP, supine, high0 Participants
PlaceboNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapySBP, supine, low1 Participants
PlaceboNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic HR, standing, high4 Participants
PlaceboNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic DBP, standing, low1 Participants
GSK189075 100 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic SBP, standing, low0 Participants
GSK189075 100 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic DBP, standing, low1 Participants
GSK189075 100 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyHR, supine, low0 Participants
GSK189075 100 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyDBP, supine, high0 Participants
GSK189075 100 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapySBP, supine, low2 Participants
GSK189075 100 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic HR, standing, high5 Participants
GSK189075 250 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapySBP, supine, low0 Participants
GSK189075 250 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyDBP, supine, high0 Participants
GSK189075 250 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyHR, supine, low0 Participants
GSK189075 250 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic SBP, standing, low3 Participants
GSK189075 250 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic DBP, standing, low3 Participants
GSK189075 250 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic HR, standing, high6 Participants
GSK189075 500 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic SBP, standing, low4 Participants
GSK189075 500 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyHR, supine, low0 Participants
GSK189075 500 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapySBP, supine, low3 Participants
GSK189075 500 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic DBP, standing, low2 Participants
GSK189075 500 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyDBP, supine, high0 Participants
GSK189075 500 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic HR, standing, high5 Participants
GSK189075 1000 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyHR, supine, low1 Participants
GSK189075 1000 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyDBP, supine, high0 Participants
GSK189075 1000 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic HR, standing, high5 Participants
GSK189075 1000 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic SBP, standing, low0 Participants
GSK189075 1000 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapySBP, supine, low2 Participants
GSK189075 1000 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic DBP, standing, low0 Participants
GSK189075 250 mg BIDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic DBP, standing, low1 Participants
GSK189075 250 mg BIDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyHR, supine, low0 Participants
GSK189075 250 mg BIDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic SBP, standing, low1 Participants
GSK189075 250 mg BIDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyDBP, supine, high1 Participants
GSK189075 250 mg BIDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapySBP, supine, low2 Participants
GSK189075 250 mg BIDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic HR, standing, high7 Participants
Pioglitazone 30 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyHR, supine, low1 Participants
Pioglitazone 30 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic SBP, standing, low0 Participants
Pioglitazone 30 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic DBP, standing, low1 Participants
Pioglitazone 30 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapySBP, supine, low3 Participants
Pioglitazone 30 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyOrthostatic HR, standing, high5 Participants
Pioglitazone 30 mg QDNumber of Participants With Vital Signs of Potential Clinical Importance (PCI) at Any Time on TherapyDBP, supine, high0 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026