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Safety and Efficacy of LX4211 With Metformin in Type 2 Diabetes Patients With Inadequate Glycemic Control on Metformin

A Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study to Evaluate the Safety and Efficacy of LX4211 in Combination With Metformin in Subjects With Type 2 Diabetes Mellitus Who Have Inadequate Glycemic Control on Metformin Monotherapy

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01376557
Enrollment
299
Registered
2011-06-20
Start date
2011-06-30
Completion date
2012-05-31
Last updated
2014-10-31

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

Conditions

Type 2 Diabetes Mellitus

Keywords

diabetes mellitus

Brief summary

This study is intended to assess the effect on HbA1c of different dose regimens of LX4211 in combination with metformin in subjects with Type 2 Diabetes Mellitus who have inadequate glycemic control on metformin monotherapy.

Interventions

DRUG75 mg LX4211

Subjects will receive 75 mg LX4211 once daily

DRUG200 mg LX4211

Subjects will receive 200 mg LX4211 once daily.

Subjects will receive 400 mg LX4211 once daily.

DRUGPlacebo

Subjects will receive placebo once daily.

Sponsors

Lexicon Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Adult subjects between the ages of 18 to 75 years, inclusive * Confirmed diagnosis of Type 2 diabetes mellitus * Meet required laboratory values at screening, including fasting plasma glucose less than 270 mg/dL * Stable dose of metformin monotherapy greater than 1500 mg/day for at least 8 weeks * Willing and able to provide written informed consent * Willing and able to maintain consistent dietary, physical activity, and sleeping patterns throughout the study

Exclusion criteria

* History of Type 1 diabetes mellitus, diabetic ketoacidosis, hyperosmolar nonketotic syndrome, or diabetes resulting from pancreatic disorder or secondary diabetes * History of renal disease or clinically significant abnormal kidney function tests * Presence of active hepatic disease or clinically significant abnormal liver function tests * Subjects with a history of heart attack, severe/unstable angina, or coronary revascularization procedure within 6 months prior to study Day 1 * History of clinically significant cardiac arrhythmias within one year of study Day 1 * Subjects with congestive heart failure * Subjects with uncontrolled Stage III hypertension * Triglycerides \>1000 mg/dL at Screening * Known history of HIV or hepatitis C * History of illicit drug or alcohol abuse with one year of study Day 1 * Have had 2 or more emergency room visits, doctor visits, or hospitalizations due to hypoglycemia within 6 months of study Day 1 * Use of any other investigational drug within 30 days of study Day 1 * Prior exposure to LX4211 * Use of any medication or herbal supplement for the purpose of weight loss * Chronic use of any antidiabetic therapy other than metformin in the 3 months prior to study Day 1 * Use of corticosteroids within 2 weeks prior to study Day 1 * Major surgery within 6 months of study Day 1 * Subjects with any history of severe gastroparesis * Inability or difficulty swallowing whole capsules or tablets * Women who are pregnant or breast feeding

Design outcomes

Primary

MeasureTime frame
Change From Baseline in HbA1c to Week 1212 weeks

Secondary

MeasureTime frame
Number of Participants Achieving a HbA1c Value of <7% at Week 1212 weeks
Change From Baseline in Fasting Plasma Glucose (FPG) to Week 1212 weeks
Change From Baseline in Body Weight at Week 1212 weeks
Change From Baseline in Systolic Blood Pressure (SPB) at Week 1212 weeks
Change From Baseline in Triglycerides at Week 1212 weeks

Countries

United States

Participant flow

Participants by arm

ArmCount
75 mg LX4211 qd
Subjects will receive 75 mg LX4211 once daily
59
200 mg LX4211 qd
Subjects will receive 200 mg LX4211 once daily.
60
400 mg LX4211 qd
Subjects will receive 400 mg LX4211 once daily.
60
200 mg LX4211 Bid
Subjects will receive 200 mg LX4211 twice daily.
60
Placebo qd
Placebo: Subjects will receive placebo once daily.
60
Total299

Baseline characteristics

Characteristic75 mg LX4211 qdTotalPlacebo qd200 mg LX4211 Bid400 mg LX4211 qd200 mg LX4211 qd
Age, Continuous56.1 years
STANDARD_DEVIATION 9.61
55.9 years
STANDARD_DEVIATION 9.34
55.1 years
STANDARD_DEVIATION 9.79
56.4 years
STANDARD_DEVIATION 8.76
56.1 years
STANDARD_DEVIATION 9.51
55.6 years
STANDARD_DEVIATION 9.25
Body Mass index (BMI)33.44 kg/m^2
STANDARD_DEVIATION 5.237
33.08 kg/m^2
STANDARD_DEVIATION 5.658
32.17 kg/m^2
STANDARD_DEVIATION 5.796
32.85 kg/m^2
STANDARD_DEVIATION 5.626
32.69 kg/m^2
STANDARD_DEVIATION 5.757
34.23 kg/m^2
STANDARD_DEVIATION 5.816
Ethnicity (NIH/OMB)
Hispanic or Latino
20 Participants82 Participants15 Participants12 Participants21 Participants14 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
39 Participants217 Participants45 Participants48 Participants39 Participants46 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Height169.25 cm
STANDARD_DEVIATION 10.419
167.96 cm
STANDARD_DEVIATION 10.486
167.18 cm
STANDARD_DEVIATION 10.24
169.39 cm
STANDARD_DEVIATION 11.171
167.04 cm
STANDARD_DEVIATION 9.849
166.99 cm
STANDARD_DEVIATION 10.764
Race (NIH/OMB)
American Indian or Alaska Native
2 Participants2 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
2 Participants8 Participants3 Participants2 Participants1 Participants0 Participants
Race (NIH/OMB)
Black or African American
5 Participants31 Participants6 Participants5 Participants6 Participants9 Participants
Race (NIH/OMB)
More than one race
1 Participants3 Participants1 Participants0 Participants1 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants3 Participants1 Participants0 Participants1 Participants0 Participants
Race (NIH/OMB)
White
48 Participants252 Participants49 Participants53 Participants51 Participants51 Participants
Region of Enrollment
United States
59 participants299 participants60 participants60 participants60 participants60 participants
Sex: Female, Male
Female
25 Participants164 Participants34 Participants31 Participants31 Participants43 Participants
Sex: Female, Male
Male
34 Participants135 Participants26 Participants29 Participants29 Participants17 Participants
Weight96.16 kg
STANDARD_DEVIATION 19.328
93.73 kg
STANDARD_DEVIATION 20.093
90.57 kg
STANDARD_DEVIATION 20.726
95.01 kg
STANDARD_DEVIATION 22.202
91.38 kg
STANDARD_DEVIATION 18.643
95.59 kg
STANDARD_DEVIATION 19.368

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —— / —— / —
other
Total, other adverse events
31 / 5734 / 6026 / 5926 / 6027 / 60
serious
Total, serious adverse events
0 / 571 / 602 / 590 / 601 / 60

Outcome results

Primary

Change From Baseline in HbA1c to Week 12

Time frame: 12 weeks

Population: ITT

ArmMeasureValue (MEAN)Dispersion
75 mg LX4211 qdChange From Baseline in HbA1c to Week 12-0.42 % changeStandard Deviation 0.637
200 mg LX4211 qdChange From Baseline in HbA1c to Week 12-0.52 % changeStandard Deviation 0.78
400 mg LX4211 qdChange From Baseline in HbA1c to Week 12-0.92 % changeStandard Deviation 0.873
200 mg LX4211 BidChange From Baseline in HbA1c to Week 12-0.80 % changeStandard Deviation 0.932
Placebo qdChange From Baseline in HbA1c to Week 12-0.09 % changeStandard Deviation 0.77
Secondary

Change From Baseline in Body Weight at Week 12

Time frame: 12 weeks

Population: ITT

ArmMeasureValue (MEAN)Dispersion
75 mg LX4211 qdChange From Baseline in Body Weight at Week 12-0.995 kgStandard Deviation 3.113
200 mg LX4211 qdChange From Baseline in Body Weight at Week 12-1.956 kgStandard Deviation 2.536
400 mg LX4211 qdChange From Baseline in Body Weight at Week 12-1.848 kgStandard Deviation 1.9641
200 mg LX4211 BidChange From Baseline in Body Weight at Week 12-2.477 kgStandard Deviation 2.561
Placebo qdChange From Baseline in Body Weight at Week 12-0.395 kgStandard Deviation 1.9813
Secondary

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

Time frame: 12 weeks

Population: ITT

ArmMeasureValue (MEAN)Dispersion
75 mg LX4211 qdChange From Baseline in Fasting Plasma Glucose (FPG) to Week 12-9.5 mg/dLStandard Deviation 27.35
200 mg LX4211 qdChange From Baseline in Fasting Plasma Glucose (FPG) to Week 12-17.4 mg/dLStandard Deviation 40.45
400 mg LX4211 qdChange From Baseline in Fasting Plasma Glucose (FPG) to Week 12-27.1 mg/dLStandard Deviation 38.48
200 mg LX4211 BidChange From Baseline in Fasting Plasma Glucose (FPG) to Week 12-26.9 mg/dLStandard Deviation 35.07
Placebo qdChange From Baseline in Fasting Plasma Glucose (FPG) to Week 122.2 mg/dLStandard Deviation 45.35
Secondary

Change From Baseline in Systolic Blood Pressure (SPB) at Week 12

Time frame: 12 weeks

Population: ITT

ArmMeasureValue (MEAN)Dispersion
75 mg LX4211 qdChange From Baseline in Systolic Blood Pressure (SPB) at Week 12-0.123 mm HgStandard Deviation 12.6921
200 mg LX4211 qdChange From Baseline in Systolic Blood Pressure (SPB) at Week 12-3.878 mm HgStandard Deviation 12.1935
400 mg LX4211 qdChange From Baseline in Systolic Blood Pressure (SPB) at Week 12-5.746 mm HgStandard Deviation 12.3675
200 mg LX4211 BidChange From Baseline in Systolic Blood Pressure (SPB) at Week 12-4.452 mm HgStandard Deviation 12.1401
Placebo qdChange From Baseline in Systolic Blood Pressure (SPB) at Week 12-0.283 mm HgStandard Deviation 13.5945
Secondary

Change From Baseline in Triglycerides at Week 12

Time frame: 12 weeks

Population: ITT

ArmMeasureValue (MEAN)Dispersion
75 mg LX4211 qdChange From Baseline in Triglycerides at Week 12-16.2 mg/dLStandard Deviation 84.17
200 mg LX4211 qdChange From Baseline in Triglycerides at Week 126.6 mg/dLStandard Deviation 77.05
400 mg LX4211 qdChange From Baseline in Triglycerides at Week 12-16.8 mg/dLStandard Deviation 121.9
200 mg LX4211 BidChange From Baseline in Triglycerides at Week 12-16.9 mg/dLStandard Deviation 73.13
Placebo qdChange From Baseline in Triglycerides at Week 12-30.5 mg/dLStandard Deviation 201.92
Secondary

Number of Participants Achieving a HbA1c Value of <7% at Week 12

Time frame: 12 weeks

Population: ITT

ArmMeasureValue (NUMBER)
75 mg LX4211 qdNumber of Participants Achieving a HbA1c Value of <7% at Week 1216 participants
200 mg LX4211 qdNumber of Participants Achieving a HbA1c Value of <7% at Week 1215 participants
400 mg LX4211 qdNumber of Participants Achieving a HbA1c Value of <7% at Week 1222 participants
200 mg LX4211 BidNumber of Participants Achieving a HbA1c Value of <7% at Week 1217 participants
Placebo qdNumber of Participants Achieving a HbA1c Value of <7% at Week 1214 participants

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