A Phase 1 Study In Japanese Subjects With Type 2 Diabetes Mellitus As Monotherapy

A Phase 1, Randomized, Double-blind, Placebo-controlled, 3- Period, Crossover Study To Assess The Safety, Tolerability, Pharmacokinetics, And Pharmacodynamics Of Two Dose Levels of Pf-04937319 In Japanese Subjects With Type 2 Diabetes Mellitus as Monotherapy

Study B1621018 will assess the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Two Dose Levels of Pf-04937319 in Japanese Subjects with Type 2 Diabetes Mellitus As Monotherapy

Study Overview

• Status: Completed
• Conditions: Type 2 Diabetes Mellitus
• Intervention / Treatment: Drug: PF-04937319 high dose; Drug: PF-04937319 low dose; Drug: Placebo

• Study Type: Interventional
• Enrollment (Actual): 12
• Phase: Phase 1

Contacts and Locations

Study Locations

• Japan
  • Tokyo
    • Hachioji-shi, Tokyo, Japan, 192-0071
      • P-one clinic, Keikokai medical corporation

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 20 years to 64 years (Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

Description

Inclusion Criteria:

• Patients with type 2 diabetes, on diet/exercise therapy only or background therapy with 1 oral anti-diabetic agent (excluding Actos)

Exclusion Criteria:

• Patients with cardiovascular event
• Patients with diabetic complications
• Female subjects who are pregnant or planning to become pregnant
• Subjects with unstable medical conditions (eg, hypertension)

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Basic Science
• Allocation: Randomized
• Interventional Model: Crossover Assignment
• Masking: Double

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: PF-04937319; PF-04937319 Split dose	Drug: PF-04937319 high dose; tablets, 150 mg with breakfast plus 100 mg with lunch, 7 days; Drug: PF-04937319 low dose; tablets, 50 mg with breakfast plus 50 mg with lunch, 7 days
Placebo Comparator: Placebo; Placebo split dose	Drug: Placebo; tablets, breakfast plus lunch, 7 days

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Number of Participants With Treatment Emergent Adverse Events (AEs) or Serious Adverse Events (SAEs)	An AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. An SAE was 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 drug and up to 14 days after last dose that were absent before treatment or that worsened relative to pre-treatment state.	Baseline up to 14 days after the last dose of study drug (minimum 8 weeks to maximum of 17 weeks)
Number of Participants With Protocol Defined Hypoglycaemic Adverse Events (HAEs)	A hypoglycemic event (HAE) was identified by characteristic symptoms or blood glucose levels. HAE was defined as 1 of the given definitions: 1) Characteristic symptoms of HAE with no home glucose monitoring performed where clinical picture included prompt resolution with food intake, subcutaneous glucagon, or intravenous glucose; 2) Characteristic symptoms of HAE with home glucose monitoring measurement of less than or equal to (=<) 70 milligram per deciliter (mg/dL) using sponsor-provided, plasma-referenced, home glucometers (or central laboratory); 3) any glucose value =<49 mg/dL using sponsor-provided, plasma-referenced, home glucometers (or central laboratory) with or without accompanying symptoms.	Baseline up to 14 days after the last dose of study drug (minimum 8 weeks to maximum of 17 weeks)
Maximum Observed Plasma Concentration (Cmax) on Day 1 for PF-04937319		0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 1
Time to Reach Maximum Observed Plasma Concentration (Tmax) on Day 1 for PF-04937319		0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 1
Area Under the Concentration-Time Curve (AUC24) From Time Zero to 24 Hour on Day 1 for PF-04937319	AUC24 is the area under the plasma concentration versus time curve from time zero (pre-dose) to 24 hours post-dose (0 to 24).	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post-dose on Day 1
Maximum Observed Plasma Concentration (Cmax) on Day 7 for PF-04937319		0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24, 36, 48 hours post morning dose on Day 7
Time to Reach Maximum Observed Plasma Concentration (Tmax) on Day 7 for PF-04937319		0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24, 36, 48 hours post morning dose on Day 7
Area Under the Concentration-Time Curve (AUC24) From Time Zero to 24 Hour on Day 7 for PF-04937319	AUC24 is the area under the plasma concentration versus time curve from time zero (pre-dose) to 24 hours post-dose (0 to 24).	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 7
Pre-dose Plasma Concentration (Ctrough) on Day 7 for PF-04937319	Ctrough is the concentration prior to study drug administration.	0 hour (pre-dose) on Day 7
Average Plasma Concentration (Cav) on Day 7 for PF-04937319	Cav is the average plasma concentration during the 0 to 24 hour time period.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 7
Apparent Oral Clearance on Day 7 for PF-04937319	Clearance of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes. Clearance obtained after oral dose (apparent oral clearance) is influenced by the oral bioavailability. It is calculated as the total oral daily dose divided by AUC24, where AUC24 is the area under the plasma concentration-time profile from time 0 to 24 hours.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 7
Terminal Half-Life (t1/2) on Day 7 for PF-04937319	Terminal half-life is the time measured for the plasma concentration to decrease by one half. Terminal half-life is calculated by dividing the natural logarithm to the base e (Log e) multiplied by (*) 2/k el, where 'k el' is the terminal phase rate constant calculated by a linear regression of the log-linear concentration-time curve. Only those data points judged to describe the terminal log-linear decline were used in the regression.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24, 36, 48 hours post morning dose on Day 7
Apparent Volume of Distribution on Day 7 for PF-04937319	Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. Apparent volume of distribution after oral dose is influenced by the oral bioavailability. It is calculated as the total oral daily dose divided by AUC24* k el, where AUC24 is the area under the plasma concentration-time profile from time 0 to 24 hours and terminal phase rate constant calculated by a linear regression of the log-linear concentration-time curve.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 7
Accumulation Ratio (Rac) on Day 7 for PF-04937319	Rac is based on AUC24. It is the ratio of AUC24 of Day 7 and AUC24 of Day 1, where AUC24 is the area under the plasma concentration-time profile from time 0 to 24 hours.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 7

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Maximum Observed Plasma Concentration (Cmax) on Day 1 for PF-06455349	PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 1
Time to Reach Maximum Observed Plasma Concentration (Tmax) on Day 1 for PF-06455349	PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 1
Area Under the Concentration-Time Curve (AUC24) From Time Zero to 24 Hour on Day 1 for PF--06455349	AUC24 is the area under the plasma concentration versus time curve from time zero (pre-dose) to 24 hours post-dose (0 to 24). PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 1
Metabolite to Parent Ratio for AUC24 (MRAUC24) on Day 1	MRAUC24 is the ratio of AUC24 of PF-06455349 (metabolite) to AUC24 of PF-04937319 (parent drug) * ratio of molecular weight of PF-04937319 to molecular weight of PF-06455349, where AUC24 is the area under the plasma concentration-time profile from time 0 to 24 hours.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 1
Maximum Observed Plasma Concentration (Cmax) on Day 7 for PF--06455349	PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24, 36, 48 hours post morning dose on Day 7
Time to Reach Maximum Observed Plasma Concentration (Tmax) on Day 7 for PF-06455349	PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24, 36, 48 hours post morning dose on Day 7
Area Under the Concentration-Time Curve (AUC24) From Time Zero to 24 Hour on Day 7 for PF--06455349	AUC24 is the area under the plasma concentration versus time curve from time zero (pre-dose) to 24 hours post-dose (0 to 24). PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 7
Pre-dose Plasma Concentration (Ctrough) on Day 7 for PF--06455349	Ctrough is the concentration prior to study drug administration. PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose) on Day 7
Average Plasma Concentration (Cav) on Day 7 for PF--06455349	Cav is the average plasma concentration during the 0 to 24 hour time period. PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 7
Terminal Half-Life (t1/2) on Day 7 for PF-06455349	Terminal half-life is the time measured for the plasma concentration to decrease by one half. Terminal half-life is calculated by dividing the natural logarithm to the base e (Log e) * 2/k el, where 'k el' is the terminal phase rate constant calculated by a linear regression of the log-linear concentration-time curve. Only those data points judged to describe the terminal log-linear decline were used in the regression. PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24, 36, 48 hours post morning dose on Day 7
Accumulation Ratio (Rac) on Day 7 for PF-06455349	Rac is based on AUC24. It is the ratio of AUC24 of Day 7 and AUC24 of Day 1, where AUC24 is the area under the plasma concentration-time profile from time 0 to 24 hours. PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 7
Metabolite to Parent Ratio for AUC24 (MRAUC24) on Day 7	MRAUC24 is the ratio of AUC24 of PF-06455349 (metabolite) to AUC24 of PF-04937319 (parent drug) * ratio of molecular weight of PF-04937319 to molecular weight of PF-06455349, where AUC24 is the area under the plasma concentration-time profile from time 0 to 24 hours. PF-06455349 is a metabolite of PF-04937319.	0 hour (pre-dose), 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 24 hours post morning dose on Day 7
Change From Baseline in Weighted Mean Daily Glucose (WMDG) at Day 7	WMDG was defined as time-weighted mean daily glucose. WMDG was calculated by as the time-weighted mean of glucose levels at actual time points for glucose sampling, for Day 0 (Baseline) and Day 7.	Pre-morning meal, 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 16 and 20 hours post- morning meal on Day 0; pre-morning dose, 1.5, 3, 5, 6.5, 8, 11, 12.5, 14, 16, 20 hours post-morning dose on Day 7
Change From Baseline in Fasting Plasma Glucose (FPG) at Last Day of Treatment	FPG was defined as plasma glucose measurements taken pre-breakfast, in the fasted state, and prior to dosing with study drug. Baseline was defined as the average of Hour 0 measurements taken on Day 0 and Day 1 in each intervention period. The measurement on the last day of treatment was defined as the average of Hour 0 measurements taken on Day 7 and Day 8 in each period.	Pre-morning meal on Day 0, pre-morning dose on Day 1, pre-morning dose on Day 7, pre-morning meal on Day 8
Change From Baseline in Pre-Meal Insulin at Day 7	Time-matched change from baseline in pre-meal serum insulin on Day 7 of each period was analyzed. Pre-meal insulin levels therefore, pre-breakfast, pre-lunch, and pre-dinner were analyzed.	Pre-morning meal (pre-breakfast), 5 hours (pre-lunch), 11 hours (pre-dinner) after morning meal on Day 0 (Baseline); pre-morning dose (pre-breakfast), 5 hours (pre-lunch), 11 hours (pre-dinner) post-morning dose on Day 7
Change From Baseline in Pre-Meal C-Peptide at Day 7	Time-matched change from baseline in pre-meal serum C-peptide on Day 7 of each period was analyzed. Pre-meal C-peptide levels therefore, pre-breakfast, pre-lunch, and pre-dinner were analyzed.	Pre-morning meal (pre-breakfast), 5 hours (pre-lunch), 11 hours (pre-dinner) after morning meal on Day 0 (Baseline); pre-morning dose (pre-breakfast), 5 hours (pre-lunch), 11 hours (pre-dinner) post-morning dose on Day 7

Collaborators and Investigators

• Sponsor: Pfizer

Publications and helpful links

Helpful Links

• To obtain contact information for a study center near you, click here.

Study record dates

Study Major Dates

• Study Start: January 1, 2015
• Primary Completion (Actual): March 1, 2015
• Study Completion (Actual): March 1, 2015

Study Registration Dates

• First Submitted: November 12, 2014
• First Submitted That Met QC Criteria: November 12, 2014
• First Posted (Estimate): November 17, 2014

Study Record Updates

• Last Update Posted (Estimate): March 15, 2016
• Last Update Submitted That Met QC Criteria: February 16, 2016
• Last Verified: February 1, 2016

More Information

Terms related to this study

• Keywords: Phase 1; type 2 diabetes; monotherapy; PF-04937319
• Additional Relevant MeSH Terms: Glucose Metabolism Disorders; Metabolic Diseases; Endocrine System Diseases; Diabetes Mellitus; Diabetes Mellitus, Type 2
• Other Study ID Numbers: B1621018