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A Phase 2, Placebo-Controlled Study To Evaluate The Efficacy And Safety Of PF-00489791 In Patients With Type 2 Diabetes And Overt Nephropathy

A PHASE 2, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED, PARALLEL GROUP, MULTI-CENTER STUDY TO EVALUATE THE EFFICACY AND SAFETY OF ONCE-DAILY ADMINISTRATION OF A PHOSPHODIESTERASE 5 INHIBITOR (PF-00489791) IN ADULTS WITH TYPE 2 DIABETES AND OVERT NEPHROPATHY

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01200394
Enrollment
256
Registered
2010-09-13
Start date
2010-12-31
Completion date
2013-08-31
Last updated
2019-03-12

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

Conditions

Diabetic Nephropathies

Keywords

Diabetic nephropathy, chronic kidney disease, PF-00489791, phosphodiesterase, PDE5

Brief summary

PF-00489791 is an inhibitor of phosphodiesterase type 5. Our hypothesis is that PF-00489791 will enhance the relaxation of blood vessels within the kidney and so reduce blood pressure, improving renal function.

Interventions

Tablet, 20 mg once daily for 12 weeks

DRUGPlacebo

Tablet, placebo once daily for 12 weeks

Sponsors

Pfizer
Lead SponsorINDUSTRY

Study design

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

Eligibility

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

Inclusion criteria

* Male or female subjects greater than or equal to 18 years. Female subjects must be of non-child bearing potential. * Clinical diagnosis of type 2 diabetes together with stages 3a, 3b or 4 CKD, based on an eGFR of 25-59 mL/min/1.73m2. * Evidence of persistent, overt albuminuria; defined as a UACR greater than or equal to 300 mg/g (greater than or equal to 33.9 mg/mmol) for greater than 3 months.

Exclusion criteria

* Subjects with CKD resulting from type 1 diabetes or non-diabetic CKD. * Subjects with poorly controlled diabetes mellitus, defined as HbA1C \>9%. * Subjects on combination ACE inhibitor/ARB therapy.

Design outcomes

Primary

MeasureTime frameDescription
Change From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 12Baseline, Week 12 (Day 5, 6, 7)UACR was ratio of albumin measured in urine (milligram) to creatinine measured in urine (millimole), reported in units milligram per millimole (mg/mmol). A decrease in UACR may be associated with improved renal and cardiovascular function. The mean values of the 3 consecutive first morning void urine samples (obtained 2 days prior to \[Day 5, 6 of Week 12\], and with last sample collected on the morning of scheduled clinic visit \[Day 7 of Week 12\]) were used to determine UACR at the scheduled clinic visit. The mean values of the 3 consecutive first morning void urine samples obtained at screening were used to determine baseline UACR.

Secondary

MeasureTime frameDescription
Change From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Baseline, Week 3, 6, 12, 16 (follow-up)The eGFR was calculated using 4 variable formula developed by the modification of diet in renal disease (MDRD) study group. The 4 variables needed to estimate glomerular filtration rate (GFR) using this formula were serum creatinine concentration (sCr), age, sex (for females, eGFR was multiplied by 0.742) and ethnic origin (for African-Caribbean people only, eGFR was multiplied by 1.212). Thus eGFR in milliliter per minute per 1.73 square meter (mL/min/1.73 m\^2) = 175\*(sCr/88.4)\^-1.154\*(Age)\^-0.203\*(0.742 if female)\*(1.212 if African-Caribbean). Baseline eGFR was determined predose at Week 0 (Day 1).
Systolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Week 0, 3, 6, 12, 16 (follow-up)Systolic blood pressure (SBP) is the blood pressure (pressure exerted by circulating blood on the walls of blood vessels) when heart is contracting; it is the maximum arterial pressure during contraction of left ventricle of heart. diastolic blood pressure (DBP) is the blood pressure (pressure exerted by circulating blood on the walls of blood vessels) when heart is relaxing; it is the minimum arterial pressure during relaxation and dilation of ventricles of heart. Mean blood pressure (MBP) = diastolic blood pressure + (\[systolic blood pressure - diastolic blood pressure\]/3). After a minimum of 5 minutes of rest, supine BP was measured with the participant's arm supported at the level of the heart.
Change From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Baseline, Week 3, 6, 12, 16 (follow-up)Serum creatinine concentration was used as a marker of renal function. Baseline serum creatinine concentration was determined predose at Week 0 (Day 1).
Change From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Baseline, Week 3, 6, 12, 16 (follow-up)TGF Beta-1 is a major fibrogenic growth factor implicated in the pathogenesis of renal scarring. It is overexpressed in the diabetic kidney where it may promote matrix accumulation. Baseline TGF Beta-1 concentration was determined predose at Week 0 (Day 1).
Change From Baseline in Serum High Sensitivity C-Reactive Protein (Hs-CRP) Concentration at Week 12 and 16Baseline, Week 12, 16 (follow-up)The CRP is an acute phase reactant which is virtually absent from the blood serum of healthy persons but rapidly appears in blood and body fluids in response to injurious stimuli. Baseline hs-CRP was determined predose at Week 0 (Day 1).
Change From Baseline in Serum Cystatin-C Concentration at Week 12 and 16Baseline, Week 12, 16 (follow-up)Cystatin C is produced by all nucleated cells at a constant rate and is freely filtered at the glomerulus. The blood concentration of cystatin C depends almost entirely on the GFR and is not substantially affected by diet, nutritional status or inflammatory disease. Serum cystatin C had been proposed as an endogenous marker of GFR in participant with chronic kidney disease (CKD) than sCr. Baseline serum cystatin C was determined predose at Week 0 (Day 1).
Plasma Concentration Versus Time Summary of PF-00489791Pre-dose at Day 1 of Week 0, 3, 6 and 12; 4 hours post-dose on Day 1 of Week 0, 3 and 6โ€”
Change From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 3, 6 and 16Baseline, Week 3 (Day 5, 6, 7), Week 6 (Day 5, 6, 7), Week 16 (Day 5, 6, 7)UACR was ratio of albumin measured in urine (milligram) to creatinine measured in urine (millimole), reported in units mg/mmol. A decrease in UACR may be associated with improved renal and cardiovascular function. The mean values of the 3 consecutive first morning void urine samples (obtained 2 days prior to \[Day 5, 6 of specified Week\], and with last sample collected on the morning of scheduled clinic visit \[Day 7 of specified Week\]) were used to determine UACR at the scheduled clinic visit. The mean values of the 3 consecutive first morning void urine samples obtained at screening were used to determine baseline UACR.
Change From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Baseline, Week 3 (Day 5, 6, 7), Week 6 (Day 5, 6, 7), Week 12 (Day 5, 6, 7), Week 16 (Day 5, 6, 7)UPCR is a ratio between two measured substances in urine: milligram of protein per millimole (mmol) of creatinine, reported in units mg/mmol. A decrease in UPCR may be associated with improved renal and cardiovascular function. The mean values of the 3 consecutive first morning void urine samples (obtained 2 days prior to \[Day 5, 6 of Week 3, 6, 12, 16\], and with last sample collected on the morning of scheduled clinic visit \[Day 7 of Week 3, 6, 12, 16\]) were used to determine UPCR at the scheduled clinic visit. The mean values of the 3 consecutive first morning void urine samples obtained at screening were used to determine baseline UPCR.

Other

MeasureTime frameDescription
Number of Participants With Edema and Fluid OverloadWeek 0, 3, 6, 12, 16 (follow-up)Participants were assessed for signs of edema and fluid overload.
Number of Participants With Increased Use of DiureticsBaseline up to Week 16 (follow-up)โ€”
Number of Participants With Laboratory Test AbnormalitiesBaseline up to Week 16 (follow-up)Criteria for laboratory test abnormalities: Hematology (hemoglobin \[\<0.8\*lower limit of normal{LLN}\], hematocrit \[\<0.8\*LLN\], red blood cells \[\<0.8\*LLN\], platelet \[\<0.5\*LLN/\>1.75\*upper limit of normal{ULN}\], white blood cells \[\<0.6\*LLN/\>1.5\*ULN\], lymphocytes \[\<0.8\*LLN/\>1.2\*ULN\], neutrophils \[\<0.8\*LLN/\>1.2\*ULN\], basophils \[\>1.2\*ULN\], eosinophils \[\>1.2\*ULN\], monocytes \[\>1.2\*ULN\]); Liver Function (total/direct/indirect bilirubin \[\>1.5\*ULN\], aspartate aminotransferase/ alanine aminotransferase/ gamma glutamyl transpeptidase/ lactate dehydrogenase/ alkaline phosphatase \[\>3.0\*ULN\]); Renal Function (blood urea nitrogen/ creatinine \[\>1.3\*ULN\], uric acid \[\>1.2\*ULN\]); Electrolytes (sodium \[\<0.95\*LLN/\>1.05\*ULN\], potassium, chloride, calcium, bicarbonate \[\<0.9\*LLN/\>1.1\*ULN\]); Clinical Chemistry (glucose \[\<0.6\*LLN/\>1.5\*ULN\], glycosylated hemoglobin \[\>1.3\*ULN\], Creatine Kinase \[\>2.0\*ULN\], Amylase, Lipase\[\>1.5\*ULN\]).
Number of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)Baseline up to Week 16 (follow-up)An AE was any untoward medical occurrence in a participant who received study medication without regard to possibility of causal relationship. SAE: an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. Treatment-emergent are events between first dose of study medication and up to Week 16 (follow-up) that were absent before treatment or that worsened relative to pre-treatment state. AEs included both non-serious (AEs) and serious adverse events (SAEs)
Change From Baseline in Plasma Glycosylated Hemoglobin (HbA1c) Level at Week 12 and 16Baseline, Week 12, 16 (follow-up)Level of HbA1c is an indicator for the average level of blood glucose over the previous 3 months. Baseline HbA1c level was determined predose at Week 0 (Day 1).
Number of Participants With Vital Signs AbnormalitiesBaseline up to Week 16 (follow-up)Criteria for determining vital signs abnormalities: supine or standing systolic BP (SBP) (less than \[\<\] 90 mmHg and increase or decrease of greater than or equal to \[\>=\] 30 mmHg compared to baseline value), supine or standing diastolic BP (DBP) (\<50 mmHg and increase or decrease of \>=20 mmHg compared to baseline value), supine pulse rate (\>120 beats per minute \[bpm\] or \<40 bpm), standing pulse rate (\>140 bpm or \<40 bpm). For supine, baseline was the average of the triplicate predose readings at Week 0 (Day 1). For standing, baseline is the predose reading at Week 0 (Day 1). Only categories who had at least 1 participant are reported.

Countries

Australia, Canada, Denmark, Hong Kong, India, Malaysia, Mexico, Poland, Serbia, Slovakia, South Africa, South Korea, Sweden, United Kingdom, United States

Participant flow

Participants by arm

ArmCount
Placebo
Placebo matched to PF-00489791 tablet orally once daily for 12 weeks.
64
PF-00489791 20 mg
PF-00489791 20 milligram (mg) tablet orally once daily for 12 weeks.
192
Total256

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event014
Overall StudyDeath10
Overall StudyDid Not Meet Entrance Criteria14
Overall StudyLost to Follow-up01
Overall StudyOther01
Overall StudyProtocol Violation03
Overall StudyWithdrawal by Subject05

Baseline characteristics

CharacteristicPlaceboPF-00489791 20 mgTotal
Age, Continuous59.8 years
STANDARD_DEVIATION 11
62.0 years
STANDARD_DEVIATION 8.8
61.5 years
STANDARD_DEVIATION 9.4
Race/Ethnicity, Customized
Asian
26 participants83 participants109 participants
Race/Ethnicity, Customized
Black
5 participants13 participants18 participants
Race/Ethnicity, Customized
Other
6 participants17 participants23 participants
Race/Ethnicity, Customized
White
27 participants79 participants106 participants
Sex: Female, Male
Female
13 Participants48 Participants61 Participants
Sex: Female, Male
Male
51 Participants144 Participants195 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
1 / 640 / 192
other
Total, other adverse events
35 / 64104 / 192
serious
Total, serious adverse events
6 / 6413 / 192

Outcome results

Primary

Change From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 12

UACR was ratio of albumin measured in urine (milligram) to creatinine measured in urine (millimole), reported in units milligram per millimole (mg/mmol). A decrease in UACR may be associated with improved renal and cardiovascular function. The mean values of the 3 consecutive first morning void urine samples (obtained 2 days prior to \[Day 5, 6 of Week 12\], and with last sample collected on the morning of scheduled clinic visit \[Day 7 of Week 12\]) were used to determine UACR at the scheduled clinic visit. The mean values of the 3 consecutive first morning void urine samples obtained at screening were used to determine baseline UACR.

Time frame: Baseline, Week 12 (Day 5, 6, 7)

Population: Full analysis set included all randomized participants who received at least 1 dose of study medication and had at least 1 post-dose efficacy measurement. Here, 'Number analyzed' = Participants evaluable at specified time points for each arm, respectively.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboChange From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 12Change at Week 129.072 mg/mmolStandard Deviation 176.436
PlaceboChange From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 12Baseline195.130 mg/mmolStandard Deviation 171.8116
PF-00489791 20 mgChange From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 12Baseline182.378 mg/mmolStandard Deviation 156.5097
PF-00489791 20 mgChange From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 12Change at Week 12-6.539 mg/mmolStandard Deviation 128.4866
Comparison: Analysis of covariance (ANCOVA) model within an outlier robust Bayesian framework on normal logarithmic scale with treatment as fixed effect, baseline UACR and baseline supine systolic blood pressure (BP) as covariate. Values were back-transformed from log scale. Model used informative prior distribution for placebo.p-value: 0.988995% CI: [0.728, 0.975]ANCOVA
Comparison: ANCOVA model within an outlier robust Bayesian framework on normal logarithmic scale with treatment as fixed effect, baseline UACR and baseline supine systolic BP as covariate. Values were back-transformed from log scale. Model used informative prior distribution for placebo.p-value: 0.2402ANCOVA
Secondary

Change From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16

The eGFR was calculated using 4 variable formula developed by the modification of diet in renal disease (MDRD) study group. The 4 variables needed to estimate glomerular filtration rate (GFR) using this formula were serum creatinine concentration (sCr), age, sex (for females, eGFR was multiplied by 0.742) and ethnic origin (for African-Caribbean people only, eGFR was multiplied by 1.212). Thus eGFR in milliliter per minute per 1.73 square meter (mL/min/1.73 m\^2) = 175\*(sCr/88.4)\^-1.154\*(Age)\^-0.203\*(0.742 if female)\*(1.212 if African-Caribbean). Baseline eGFR was determined predose at Week 0 (Day 1).

Time frame: Baseline, Week 3, 6, 12, 16 (follow-up)

Population: Full analysis set included all randomized participants who received at least 1 dose of study medication and had at least 1 post-dose efficacy measurement. Here, 'Number analyzed' = Participants evaluable at specified time points for each arm, respectively.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboChange From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Change at Week 30.069 mL/min/1.73 m^2Standard Deviation 6.2868
PlaceboChange From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Change at Week 6-0.930 mL/min/1.73 m^2Standard Deviation 5.3513
PlaceboChange From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Baseline38.575 mL/min/1.73 m^2Standard Deviation 11.9122
PlaceboChange From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Change at Week 12-1.435 mL/min/1.73 m^2Standard Deviation 5.3757
PlaceboChange From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Change at Week 16-1.915 mL/min/1.73 m^2Standard Deviation 5.9005
PF-00489791 20 mgChange From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Change at Week 12-1.463 mL/min/1.73 m^2Standard Deviation 5.1074
PF-00489791 20 mgChange From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Change at Week 16-1.659 mL/min/1.73 m^2Standard Deviation 6.0659
PF-00489791 20 mgChange From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Baseline37.740 mL/min/1.73 m^2Standard Deviation 9.8834
PF-00489791 20 mgChange From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Change at Week 6-0.755 mL/min/1.73 m^2Standard Deviation 5.2701
PF-00489791 20 mgChange From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 3, 6, 12, and 16Change at Week 3-0.156 mL/min/1.73 m^2Standard Deviation 4.6044
Comparison: Week 3: MMRM on normal logarithmic scale with change from baseline as response variable and baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.358595% CI: [0.9434, 1.0214]Mixed Models Analysis
Comparison: Week 6: MMRM on normal logarithmic scale with change from baseline as response variable and baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.747595% CI: [0.9577, 1.0315]Mixed Models Analysis
Comparison: Week 12: MMRM on normal logarithmic scale with change from baseline as response variable and baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.497295% CI: [0.9488, 1.0259]Mixed Models Analysis
Comparison: Week 16: MMRM on normal logarithmic scale with change from baseline as response variable and baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.914695% CI: [0.9588, 1.0481]Mixed Models Analysis
Secondary

Change From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16

Serum creatinine concentration was used as a marker of renal function. Baseline serum creatinine concentration was determined predose at Week 0 (Day 1).

Time frame: Baseline, Week 3, 6, 12, 16 (follow-up)

Population: Full analysis set included all randomized participants who received at least 1 dose of study medication and had at least 1 post-dose efficacy measurement. Here, 'Number analyzed' = Participants evaluable at specified time points for each arm, respectively.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboChange From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Change at Week 63.158 micromole per liter (mcmol/L)Standard Deviation 18.0835
PlaceboChange From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Change at Week 126.139 micromole per liter (mcmol/L)Standard Deviation 20.7198
PlaceboChange From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Baseline164.929 micromole per liter (mcmol/L)Standard Deviation 42.0837
PlaceboChange From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Change at Week 1611.527 micromole per liter (mcmol/L)Standard Deviation 28.5175
PlaceboChange From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Change at Week 31.232 micromole per liter (mcmol/L)Standard Deviation 23.9961
PF-00489791 20 mgChange From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Change at Week 169.269 micromole per liter (mcmol/L)Standard Deviation 26.647
PF-00489791 20 mgChange From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Change at Week 32.691 micromole per liter (mcmol/L)Standard Deviation 20.6884
PF-00489791 20 mgChange From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Change at Week 64.974 micromole per liter (mcmol/L)Standard Deviation 21.7977
PF-00489791 20 mgChange From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Baseline163.637 micromole per liter (mcmol/L)Standard Deviation 42.9529
PF-00489791 20 mgChange From Baseline in Serum Creatinine Concentration at Week 3, 6, 12, and 16Change at Week 128.110 micromole per liter (mcmol/L)Standard Deviation 22.3709
Secondary

Change From Baseline in Serum Cystatin-C Concentration at Week 12 and 16

Cystatin C is produced by all nucleated cells at a constant rate and is freely filtered at the glomerulus. The blood concentration of cystatin C depends almost entirely on the GFR and is not substantially affected by diet, nutritional status or inflammatory disease. Serum cystatin C had been proposed as an endogenous marker of GFR in participant with chronic kidney disease (CKD) than sCr. Baseline serum cystatin C was determined predose at Week 0 (Day 1).

Time frame: Baseline, Week 12, 16 (follow-up)

Population: Full analysis set included all randomized participants who received at least 1 dose of study medication and had at least 1 post-dose efficacy measurement. Here, 'Number analyzed' = Participants evaluable at specified time points for each arm, respectively.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboChange From Baseline in Serum Cystatin-C Concentration at Week 12 and 16Change at Week 120.096 mg/LStandard Deviation 0.1844
PlaceboChange From Baseline in Serum Cystatin-C Concentration at Week 12 and 16Baseline1.659 mg/LStandard Deviation 0.4122
PlaceboChange From Baseline in Serum Cystatin-C Concentration at Week 12 and 16Change at Week 160.104 mg/LStandard Deviation 0.3234
PF-00489791 20 mgChange From Baseline in Serum Cystatin-C Concentration at Week 12 and 16Change at Week 120.070 mg/LStandard Deviation 0.289
PF-00489791 20 mgChange From Baseline in Serum Cystatin-C Concentration at Week 12 and 16Baseline1.695 mg/LStandard Deviation 0.4497
PF-00489791 20 mgChange From Baseline in Serum Cystatin-C Concentration at Week 12 and 16Change at Week 160.075 mg/LStandard Deviation 0.3176
Secondary

Change From Baseline in Serum High Sensitivity C-Reactive Protein (Hs-CRP) Concentration at Week 12 and 16

The CRP is an acute phase reactant which is virtually absent from the blood serum of healthy persons but rapidly appears in blood and body fluids in response to injurious stimuli. Baseline hs-CRP was determined predose at Week 0 (Day 1).

Time frame: Baseline, Week 12, 16 (follow-up)

Population: Full analysis set included all randomized participants who received at least 1 dose of study medication and had at least 1 post-dose efficacy measurement. Here, 'Number analyzed' = Participants evaluable at specified time points for each arm, respectively.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboChange From Baseline in Serum High Sensitivity C-Reactive Protein (Hs-CRP) Concentration at Week 12 and 16Baseline3.019 milligram per liter (mg/L)Standard Deviation 3.4924
PlaceboChange From Baseline in Serum High Sensitivity C-Reactive Protein (Hs-CRP) Concentration at Week 12 and 16Change at Week 121.183 milligram per liter (mg/L)Standard Deviation 3.46
PlaceboChange From Baseline in Serum High Sensitivity C-Reactive Protein (Hs-CRP) Concentration at Week 12 and 16Change at Week 160.317 milligram per liter (mg/L)Standard Deviation 2.9508
PF-00489791 20 mgChange From Baseline in Serum High Sensitivity C-Reactive Protein (Hs-CRP) Concentration at Week 12 and 16Baseline4.330 milligram per liter (mg/L)Standard Deviation 8.6809
PF-00489791 20 mgChange From Baseline in Serum High Sensitivity C-Reactive Protein (Hs-CRP) Concentration at Week 12 and 16Change at Week 120.106 milligram per liter (mg/L)Standard Deviation 7.4909
PF-00489791 20 mgChange From Baseline in Serum High Sensitivity C-Reactive Protein (Hs-CRP) Concentration at Week 12 and 16Change at Week 16-0.102 milligram per liter (mg/L)Standard Deviation 6.3317
Secondary

Change From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 3, 6 and 16

UACR was ratio of albumin measured in urine (milligram) to creatinine measured in urine (millimole), reported in units mg/mmol. A decrease in UACR may be associated with improved renal and cardiovascular function. The mean values of the 3 consecutive first morning void urine samples (obtained 2 days prior to \[Day 5, 6 of specified Week\], and with last sample collected on the morning of scheduled clinic visit \[Day 7 of specified Week\]) were used to determine UACR at the scheduled clinic visit. The mean values of the 3 consecutive first morning void urine samples obtained at screening were used to determine baseline UACR.

Time frame: Baseline, Week 3 (Day 5, 6, 7), Week 6 (Day 5, 6, 7), Week 16 (Day 5, 6, 7)

Population: Full analysis set included all randomized participants who received at least 1 dose of study medication and had at least 1 post-dose efficacy measurement. Here, 'Number analyzed' = Participants evaluable at specified time points for each arm, respectively.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboChange From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 3, 6 and 16Change at Week 3-11.805 mg/mmolStandard Deviation 161.7282
PlaceboChange From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 3, 6 and 16Change at Week 6-7.772 mg/mmolStandard Deviation 162.0838
PlaceboChange From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 3, 6 and 16Change at Week 1616.500 mg/mmolStandard Deviation 202.76
PF-00489791 20 mgChange From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 3, 6 and 16Change at Week 3-14.268 mg/mmolStandard Deviation 94.8469
PF-00489791 20 mgChange From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 3, 6 and 16Change at Week 162.802 mg/mmolStandard Deviation 107.9582
PF-00489791 20 mgChange From Baseline in Urinary Albumin Creatinine Ratio (UACR) at Week 3, 6 and 16Change at Week 6-2.546 mg/mmolStandard Deviation 179.5896
Comparison: Week 3: Mixed model repeated measures (MMRM) on normal logarithmic scale with baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.038295% CI: [0.7727, 0.9927]Mixed Models Analysis
Comparison: Week 6: MMRM on normal logarithmic scale with baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.011295% CI: [0.7208, 0.9584]Mixed Models Analysis
Comparison: Week 16: MMRM on normal logarithmic scale with baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.14995% CI: [0.7427, 1.0465]Mixed Models Analysis
Secondary

Change From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16

UPCR is a ratio between two measured substances in urine: milligram of protein per millimole (mmol) of creatinine, reported in units mg/mmol. A decrease in UPCR may be associated with improved renal and cardiovascular function. The mean values of the 3 consecutive first morning void urine samples (obtained 2 days prior to \[Day 5, 6 of Week 3, 6, 12, 16\], and with last sample collected on the morning of scheduled clinic visit \[Day 7 of Week 3, 6, 12, 16\]) were used to determine UPCR at the scheduled clinic visit. The mean values of the 3 consecutive first morning void urine samples obtained at screening were used to determine baseline UPCR.

Time frame: Baseline, Week 3 (Day 5, 6, 7), Week 6 (Day 5, 6, 7), Week 12 (Day 5, 6, 7), Week 16 (Day 5, 6, 7)

Population: Full analysis set included all randomized participants who received at least 1 dose of study medication and had at least 1 post-dose efficacy measurement. Here, 'Number analyzed' = Participants evaluable at specified time points for each arm, respectively.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboChange From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Baseline282.208 mg/mmolStandard Deviation 259.8496
PlaceboChange From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Change at Week 3-20.302 mg/mmolStandard Deviation 247.449
PlaceboChange From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Change at Week 6-10.278 mg/mmolStandard Deviation 256.7216
PlaceboChange From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Change at Week 1214.632 mg/mmolStandard Deviation 283.9874
PlaceboChange From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Change at Week 1630.880 mg/mmolStandard Deviation 332.0766
PF-00489791 20 mgChange From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Change at Week 12-5.371 mg/mmolStandard Deviation 207.3333
PF-00489791 20 mgChange From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Change at Week 1620.299 mg/mmolStandard Deviation 190.3546
PF-00489791 20 mgChange From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Change at Week 3-26.883 mg/mmolStandard Deviation 161.0038
PF-00489791 20 mgChange From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Baseline261.015 mg/mmolStandard Deviation 220.526
PF-00489791 20 mgChange From Baseline in Urinary Protein Creatinine Ratio (UPCR) at Week 3, 6, 12, and 16Change at Week 610.699 mg/mmolStandard Deviation 290.5749
Comparison: Week 3: MMRM on normal logarithmic scale with baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.029795% CI: [0.745, 0.9847]Mixed Models Analysis
Comparison: Week 6: MMRM on normal logarithmic scale with baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.030595% CI: [0.7376, 0.985]Mixed Models Analysis
Comparison: Week 12: MMRM on normal logarithmic scale with baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.006895% CI: [0.6717, 0.9378]Mixed Models Analysis
Comparison: Week 16: MMRM on normal logarithmic scale with baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.115195% CI: [0.719, 1.0368]Mixed Models Analysis
Secondary

Change From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16

TGF Beta-1 is a major fibrogenic growth factor implicated in the pathogenesis of renal scarring. It is overexpressed in the diabetic kidney where it may promote matrix accumulation. Baseline TGF Beta-1 concentration was determined predose at Week 0 (Day 1).

Time frame: Baseline, Week 3, 6, 12, 16 (follow-up)

Population: Full analysis set included all randomized participants who received at least 1 dose of study medication and had at least 1 post-dose efficacy measurement. Here, 'Number analyzed' = Participants evaluable at specified time points for each arm, respectively.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboChange From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Change at Week 623.33 picogram per milliliter (pg/mL)Standard Deviation 345.304
PlaceboChange From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Change at Week 12-36.20 picogram per milliliter (pg/mL)Standard Deviation 281.523
PlaceboChange From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Baseline177.88 picogram per milliliter (pg/mL)Standard Deviation 231.154
PlaceboChange From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Change at Week 16-23.54 picogram per milliliter (pg/mL)Standard Deviation 134.752
PlaceboChange From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Change at Week 3-22.81 picogram per milliliter (pg/mL)Standard Deviation 260.14
PF-00489791 20 mgChange From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Change at Week 16-31.32 picogram per milliliter (pg/mL)Standard Deviation 299.546
PF-00489791 20 mgChange From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Baseline213.37 picogram per milliliter (pg/mL)Standard Deviation 274.409
PF-00489791 20 mgChange From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Change at Week 3-54.06 picogram per milliliter (pg/mL)Standard Deviation 349.817
PF-00489791 20 mgChange From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Change at Week 6-68.59 picogram per milliliter (pg/mL)Standard Deviation 333.378
PF-00489791 20 mgChange From Baseline in Urine Transforming Growth Factor (TGF) Beta-1 Concentration at Week 3, 6, 12, and 16Change at Week 12-11.87 picogram per milliliter (pg/mL)Standard Deviation 328.482
Comparison: Week 3: MMRM on normal logarithmic scale with change from baseline as response variable and baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.542295% CI: [0.7297, 1.1807]Mixed Models Analysis
Comparison: Week 6: MMRM on normal logarithmic scale with change from baseline as response variable and baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.04995% CI: [0.6402, 0.999]Mixed Models Analysis
Comparison: Week 12: MMRM on normal logarithmic scale with change from baseline as response variable and baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.726495% CI: [0.8211, 1.3262]Mixed Models Analysis
Comparison: Week 16: MMRM on normal logarithmic scale with change from baseline as response variable and baseline, baseline supine systolic BP, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. Unstructured covariance matrix was used to estimate variances and covariance within participant across time points. Values were back-transformed from log scale.p-value: 0.373395% CI: [0.8761, 1.4201]Mixed Models Analysis
Secondary

Plasma Concentration Versus Time Summary of PF-00489791

Time frame: Pre-dose at Day 1 of Week 0, 3, 6 and 12; 4 hours post-dose on Day 1 of Week 0, 3 and 6

Population: Pharmacokinetic analysis set included all randomized and treated participants with at least 1 measured PF-00489791 concentration. Here, Number analyzed signifies number of participants evaluable for specified categories. This outcome measure was planned not to be analyzed for Placebo reporting arm.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboPlasma Concentration Versus Time Summary of PF-00489791Pre-dose at Day 1 of Week 60.3514 microgram per millilitre (microgram/mL)Standard Deviation 0.40417
PlaceboPlasma Concentration Versus Time Summary of PF-004897914 hours post-dose at Day 1 of Week 60.9274 microgram per millilitre (microgram/mL)Standard Deviation 0.52405
PlaceboPlasma Concentration Versus Time Summary of PF-004897914 hours post-dose at Day 1 of Week 00.6540 microgram per millilitre (microgram/mL)Standard Deviation 0.33644
PlaceboPlasma Concentration Versus Time Summary of PF-00489791Pre-dose at Day 1 of Week 30.4156 microgram per millilitre (microgram/mL)Standard Deviation 0.44674
PlaceboPlasma Concentration Versus Time Summary of PF-004897914 hours post-dose at Day 1 of Week 30.9772 microgram per millilitre (microgram/mL)Standard Deviation 0.5961
PlaceboPlasma Concentration Versus Time Summary of PF-00489791Pre-dose at Day 1 of Week 120.3930 microgram per millilitre (microgram/mL)Standard Deviation 0.41593
Secondary

Systolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16

Systolic blood pressure (SBP) is the blood pressure (pressure exerted by circulating blood on the walls of blood vessels) when heart is contracting; it is the maximum arterial pressure during contraction of left ventricle of heart. diastolic blood pressure (DBP) is the blood pressure (pressure exerted by circulating blood on the walls of blood vessels) when heart is relaxing; it is the minimum arterial pressure during relaxation and dilation of ventricles of heart. Mean blood pressure (MBP) = diastolic blood pressure + (\[systolic blood pressure - diastolic blood pressure\]/3). After a minimum of 5 minutes of rest, supine BP was measured with the participant's arm supported at the level of the heart.

Time frame: Week 0, 3, 6, 12, 16 (follow-up)

Population: Full analysis set included all randomized participants who received at least 1 dose of study medication and had at least 1 post-dose efficacy measurement.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Mean BP, Week 3107.06 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Systolic BP, Week 6137.41 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Systolic BP, Week 0137.20 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Diastolic BP, Week 676.88 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Mean BP, Week 6107.37 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Diastolic BP, Week 076.98 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Diastolic BP, Week 1277.32 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Diastolic BP, Week 376.78 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Mean BP, Week 12107.41 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Systolic BP, Week 16138.38 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Systolic BP, Week 3136.68 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Diastolic BP, Week 1677.25 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Systolic BP, Week 12136.89 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Mean BP, Week 16108.00 millimeter of mercury (mmHg)
PlaceboSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Mean BP, Week 0107.27 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Mean BP, Week 16108.47 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Mean BP, Week 3106.90 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Mean BP, Week 6106.70 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Mean BP, Week 12107.14 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Systolic BP, Week 0131.81 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Mean BP, Week 0102.68 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Systolic BP, Week 3136.15 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Diastolic BP, Week 377.18 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Systolic BP, Week 6136.94 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Diastolic BP, Week 676.41 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Systolic BP, Week 12137.70 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Diastolic BP, Week 1276.69 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Systolic BP, Week 16138.89 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Diastolic BP, Week 1677.90 millimeter of mercury (mmHg)
PF-00489791 20 mgSystolic, Diastolic and Mean Blood Pressure at Week 0, 3, 6, 12, and 16Supine Diastolic BP, Week 073.27 millimeter of mercury (mmHg)
Comparison: Supine Systolic BP, Week 0: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: <0.000195% CI: [-7.94, -2.84]Mixed Models Analysis
Comparison: Supine Diastolic BP, Week 0: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: <0.000195% CI: [-5.38, -2.04]Mixed Models Analysis
Comparison: Supine Mean BP, Week 0: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: <0.000195% CI: [-6.46, -2.72]Mixed Models Analysis
Comparison: Supine Systolic BP, Week 3: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.709395% CI: [-3.29, 2.24]Mixed Models Analysis
Comparison: Supine Diastolic BP, Week 3: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.656495% CI: [-1.39, 2.2]Mixed Models Analysis
Comparison: Supine Mean BP, Week 3: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.876395% CI: [-2.2, 1.87]Mixed Models Analysis
Comparison: Supine Systolic BP, Week 6: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.749195% CI: [-3.42, 2.46]Mixed Models Analysis
Comparison: Supine Diastolic BP, Week 6: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.614195% CI: [-2.29, 1.35]Mixed Models Analysis
Comparison: Supine Mean BP, Week 6: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.528195% CI: [-2.75, 1.42]Mixed Models Analysis
Comparison: Supine Systolic BP, Week 12: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.669595% CI: [-2.9, 4.5]Mixed Models Analysis
Comparison: Supine Diastolic BP, Week 12: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.560795% CI: [-2.74, 1.49]Mixed Models Analysis
Comparison: Supine Mean BP, Week 12: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.829795% CI: [-2.78, 2.23]Mixed Models Analysis
Comparison: Supine Systolic BP, Week 16: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.764495% CI: [-2.85, 3.87]Mixed Models Analysis
Comparison: Supine Diastolic BP, Week 16: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.512395% CI: [-1.3, 2.61]Mixed Models Analysis
Comparison: Supine Mean BP, Week 16: MMRM model included baseline, visit, treatment, baseline by visit interaction and treatment by visit interaction as fixed effects. The unstructured covariance matrix was used to estimate variances and covariance within participant across time points.p-value: 0.683895% CI: [-1.77, 2.7]Mixed Models Analysis
Other Pre-specified

Change From Baseline in Plasma Glycosylated Hemoglobin (HbA1c) Level at Week 12 and 16

Level of HbA1c is an indicator for the average level of blood glucose over the previous 3 months. Baseline HbA1c level was determined predose at Week 0 (Day 1).

Time frame: Baseline, Week 12, 16 (follow-up)

Population: Safety analysis set consists of all participants who received at least 1 dose of study medication. Here, 'Number analyzed' = Participants evaluable at specified time points for each arm, respectively.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboChange From Baseline in Plasma Glycosylated Hemoglobin (HbA1c) Level at Week 12 and 16Baseline7.13 percentage of hemoglobinStandard Deviation 1.023
PlaceboChange From Baseline in Plasma Glycosylated Hemoglobin (HbA1c) Level at Week 12 and 16Change at Week 120.12 percentage of hemoglobinStandard Deviation 0.856
PlaceboChange From Baseline in Plasma Glycosylated Hemoglobin (HbA1c) Level at Week 12 and 16Change at Week 160.14 percentage of hemoglobinStandard Deviation 1.009
PF-00489791 20 mgChange From Baseline in Plasma Glycosylated Hemoglobin (HbA1c) Level at Week 12 and 16Baseline7.39 percentage of hemoglobinStandard Deviation 1.135
PF-00489791 20 mgChange From Baseline in Plasma Glycosylated Hemoglobin (HbA1c) Level at Week 12 and 16Change at Week 12-0.28 percentage of hemoglobinStandard Deviation 0.975
PF-00489791 20 mgChange From Baseline in Plasma Glycosylated Hemoglobin (HbA1c) Level at Week 12 and 16Change at Week 16-0.09 percentage of hemoglobinStandard Deviation 0.986
Other Pre-specified

Number of Participants With Edema and Fluid Overload

Participants were assessed for signs of edema and fluid overload.

Time frame: Week 0, 3, 6, 12, 16 (follow-up)

Population: Safety analysis set consists of all participants who received at least 1 dose of study medication.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Edema and Fluid OverloadWeek 61 Participants
PlaceboNumber of Participants With Edema and Fluid OverloadWeek 165 Participants
PlaceboNumber of Participants With Edema and Fluid OverloadWeek 00 Participants
PlaceboNumber of Participants With Edema and Fluid OverloadWeek 31 Participants
PlaceboNumber of Participants With Edema and Fluid OverloadWeek 124 Participants
PF-00489791 20 mgNumber of Participants With Edema and Fluid OverloadWeek 38 Participants
PF-00489791 20 mgNumber of Participants With Edema and Fluid OverloadWeek 129 Participants
PF-00489791 20 mgNumber of Participants With Edema and Fluid OverloadWeek 611 Participants
PF-00489791 20 mgNumber of Participants With Edema and Fluid OverloadWeek 04 Participants
PF-00489791 20 mgNumber of Participants With Edema and Fluid OverloadWeek 166 Participants
Other Pre-specified

Number of Participants With Increased Use of Diuretics

Time frame: Baseline up to Week 16 (follow-up)

Population: Safety analysis set consists of all participants who received at least 1 dose of study medication.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Increased Use of Diuretics3 Participants
PF-00489791 20 mgNumber of Participants With Increased Use of Diuretics10 Participants
Other Pre-specified

Number of Participants With Laboratory Test Abnormalities

Criteria for laboratory test abnormalities: Hematology (hemoglobin \[\<0.8\*lower limit of normal{LLN}\], hematocrit \[\<0.8\*LLN\], red blood cells \[\<0.8\*LLN\], platelet \[\<0.5\*LLN/\>1.75\*upper limit of normal{ULN}\], white blood cells \[\<0.6\*LLN/\>1.5\*ULN\], lymphocytes \[\<0.8\*LLN/\>1.2\*ULN\], neutrophils \[\<0.8\*LLN/\>1.2\*ULN\], basophils \[\>1.2\*ULN\], eosinophils \[\>1.2\*ULN\], monocytes \[\>1.2\*ULN\]); Liver Function (total/direct/indirect bilirubin \[\>1.5\*ULN\], aspartate aminotransferase/ alanine aminotransferase/ gamma glutamyl transpeptidase/ lactate dehydrogenase/ alkaline phosphatase \[\>3.0\*ULN\]); Renal Function (blood urea nitrogen/ creatinine \[\>1.3\*ULN\], uric acid \[\>1.2\*ULN\]); Electrolytes (sodium \[\<0.95\*LLN/\>1.05\*ULN\], potassium, chloride, calcium, bicarbonate \[\<0.9\*LLN/\>1.1\*ULN\]); Clinical Chemistry (glucose \[\<0.6\*LLN/\>1.5\*ULN\], glycosylated hemoglobin \[\>1.3\*ULN\], Creatine Kinase \[\>2.0\*ULN\], Amylase, Lipase\[\>1.5\*ULN\]).

Time frame: Baseline up to Week 16 (follow-up)

Population: Safety analysis set consists of all participants who received at least 1 dose of study medication. Here 'N' (Overall Number of Participants Analyzed) signifies participants evaluable for this measure.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Laboratory Test Abnormalities62 Participants
PF-00489791 20 mgNumber of Participants With Laboratory Test Abnormalities190 Participants
Other Pre-specified

Number of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)

An AE was any untoward medical occurrence in a participant who received study medication without regard to possibility of causal relationship. SAE: an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. Treatment-emergent are events between first dose of study medication and up to Week 16 (follow-up) that were absent before treatment or that worsened relative to pre-treatment state. AEs included both non-serious (AEs) and serious adverse events (SAEs)

Time frame: Baseline up to Week 16 (follow-up)

Population: Safety analysis set consists of all participants who received at least 1 dose of study medication.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs36 Participants
PlaceboNumber of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs6 Participants
PF-00489791 20 mgNumber of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs105 Participants
PF-00489791 20 mgNumber of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs13 Participants
Other Pre-specified

Number of Participants With Vital Signs Abnormalities

Criteria for determining vital signs abnormalities: supine or standing systolic BP (SBP) (less than \[\<\] 90 mmHg and increase or decrease of greater than or equal to \[\>=\] 30 mmHg compared to baseline value), supine or standing diastolic BP (DBP) (\<50 mmHg and increase or decrease of \>=20 mmHg compared to baseline value), supine pulse rate (\>120 beats per minute \[bpm\] or \<40 bpm), standing pulse rate (\>140 bpm or \<40 bpm). For supine, baseline was the average of the triplicate predose readings at Week 0 (Day 1). For standing, baseline is the predose reading at Week 0 (Day 1). Only categories who had at least 1 participant are reported.

Time frame: Baseline up to Week 16 (follow-up)

Population: Safety analysis set consists of all participants who received at least 1 dose of study medication. Here, 'Number analyzed' = Participants evaluable at specified time points for each arm, respectively.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Vital Signs AbnormalitiesSupine DBP <50 mmHg0 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesSupine Pulse Rate <40 bpm0 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesIncrease in Standing SBP >=30 mmHg1 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesIncrease in Supine DBP >=20 mmHg0 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesSupine SBP <90 mmHg0 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesDecrease in Supine SBP >=30 mmHg0 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesIncrease in Supine SBP >=30 mmHg0 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesDecrease in Standing SBP >=30 mmHg2 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesStanding SBP <90 mmHg0 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesDecrease in Supine DBP >=20 mmHg0 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesIncrease in Standing DBP >=20 mmHg1 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesDecrease in Standing DBP >=20 mmHg1 Participants
PlaceboNumber of Participants With Vital Signs AbnormalitiesStanding DBP <50 mmHg0 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesDecrease in Standing DBP >=20 mmHg11 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesIncrease in Supine SBP >=30 mmHg14 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesIncrease in Supine DBP >=20 mmHg7 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesSupine DBP <50 mmHg3 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesSupine SBP <90 mmHg1 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesStanding SBP <90 mmHg2 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesStanding DBP <50 mmHg3 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesIncrease in Standing SBP >=30 mmHg1 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesIncrease in Standing DBP >=20 mmHg0 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesDecrease in Supine SBP >=30 mmHg9 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesDecrease in Standing SBP >=30 mmHg11 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesDecrease in Supine DBP >=20 mmHg5 Participants
PF-00489791 20 mgNumber of Participants With Vital Signs AbnormalitiesSupine Pulse Rate <40 bpm1 Participants

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