Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 2 Interventional Results available

Study of Safety and Efficacy of PF-04991532 in Subjects With Type 2 Diabetes

ClinicalTrials.gov ID: NCT01338870

Public ClinicalTrials.gov record NCT01338870. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 2:55 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A 12-week, Phase 2, Randomized, Double-blind, Placebo Controlled, Dose-ranging, Parallel Group Study to Evaluate the Efficacy and Safety of Twice Daily Pf-04991532 and Once Daily Sitagliptin in Adult Patients With Type 2 Diabetes Mellitus Inadequately Controlled on Metformin

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

B2611003 is designed to study how safe and effective an investigational medication (PF-04991532) is in people with Type 2 diabetes. Subjects in the study will receive 1 of 6 treatments for 3 months. One of the treatments will be sitagliptin which is an approved drug, and another treatment will be placebo, which does not contain active ingredient.

Study identification

NCT ID
NCT01338870
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Pfizer
Industry
Enrollment
301 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 70 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 2011 (Type not available)
Primary completion
Mar 2012 (Actual)
Completion
Mar 2012 (Actual)
Last update posted
Apr 23, 2013

2011 – 2012

United States locations

U.S. sites
25
U.S. states
19
U.S. cities
25
Facility City State ZIP Site status
Pfizer Investigational Site Little Rock Arkansas 72205 —
Pfizer Investigational Site Roseville California 95661 —
Pfizer Investigational Site Denver Colorado 80209 —
Pfizer Investigational Site Coral Gables Florida 33134 —
Pfizer Investigational Site Ocala Florida 34471 —
Pfizer Investigational Site Honolulu Hawaii 96814 —
Pfizer Investigational Site Indianapolis Indiana 46260 —
Pfizer Investigational Site Augusta Kansas 67010 —
Pfizer Investigational Site Overland Park Kansas 66215 —
Pfizer Investigational Site Wichita Kansas 67207 —
Pfizer Investigational Site Lexington Kentucky 40504 —
Pfizer Investigational Site Lake Charles Louisiana 70601 —
Pfizer Investigational Site Auburn Maine 04210 —
Pfizer Investigational Site Brooklyn Center Minnesota 55430 —
Pfizer Investigational Site Las Vegas Nevada 89101 —
Pfizer Investigational Site Trenton New Jersey 08611 —
Pfizer Investigational Site Charlotte North Carolina 28277 —
Pfizer Investigational Site Fargo North Dakota 58103 —
Pfizer Investigational Site Cincinnati Ohio 45245 —
Pfizer Investigational Site Lansdale Pennsylvania 19446 —
Pfizer Investigational Site Dallas Texas 75246 —
Pfizer Investigational Site Katy Texas 77450 —
Pfizer Investigational Site San Antonio Texas 78229 —
Pfizer Investigational Site Norfolk Virginia 23502 —
Pfizer Investigational Site Richmond Virginia 23294 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 17 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01338870, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 23, 2013 · Synced Oct 19, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01338870 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →