Study of Safety and Efficacy of PF-04991532 in Subjects With Type 2 Diabetes
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.
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
Study identification
- NCT ID
- NCT01338870
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 301 participants
Conditions and interventions
Conditions
Interventions
- 150 mg PF-04991532 Drug
- 25 mg PF-04991532 Drug
- 300 mg PF-04991532 Drug
- 75 mg PF-04991532 Drug
- Placebo Drug
- Sitagliptin 100 mg Drug
Drug
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
- May 31, 2011
- Primary completion
- Feb 29, 2012
- Completion
- Feb 29, 2012
- Last update posted
- Apr 22, 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 22, 2013 · Synced May 8, 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 protocol, eligibility criteria, and contact information for NCT01338870 live on ClinicalTrials.gov.