Phase 4: Investigational Study to Evaluate Metformin XR Monotherapy Versus Metformin IR Monotherapy in Subjects With Type 2 Diabetes
Public ClinicalTrials.gov record NCT01864174. 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 24-Week International, Multi-center, Randomized, Parallel-group, Double-blind Trial to Evaluate Metformin Extended Release Monotherapy Compared to Metformin Immediate Release Monotherapy in Adults Subjects With Type 2 Diabetes Who Have Inadequate Glycemic Control With Diet and Exercise
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is determine if Metformin XR monotherapy in subjects with type 2 diabetes is non-inferior to Metformin IR monotherapy
Study identification
- NCT ID
- NCT01864174
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 1,736 participants
Conditions and interventions
Conditions
Interventions
- Metformin XR Drug
- Metformin IR Drug
- Placebo matching with Metformin XR Drug
- Placebo matching with Metformin IR Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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 20, 2013 (Actual)
- Primary completion
- Jun 1, 2016 (Actual)
- Completion
- Jun 1, 2016 (Actual)
- Last update posted
- Nov 29, 2019
2013 – 2016
United States locations
- U.S. sites
- 39
- U.S. states
- 18
- U.S. cities
- 32
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Central Alabama Research | Birmingham | Alabama | 35209 | — |
| Terence T. Hart, Md | Muscle Shoals | Alabama | 35662 | — |
| Clini Res Advantage Desert Clin Res, Llc | Mesa | Arizona | 85213 | — |
| Clinical Res Advantage Central | Phoenix | Arkansas | 85020 | — |
| Marin Endocrine Care And Research, Inc. | Greenbrae | California | 94904 | — |
| Torrance Clinical Research Institute Inc. | Lomita | California | 90717 | — |
| Actca | Los Angeles | California | 90017 | — |
| National Research Institute | Los Angeles | California | 90057 | — |
| R. Srinivasan, M.D., Inc. | Monterey Park | California | 91754 | — |
| Diabetes Medical Center Of California | Northridge | California | 91325 | — |
| Valley Clinical Trials | Northridge | California | 91325 | — |
| Center For Clinical Trials Of Sacramento, Inc. | Sacramento | California | 95823 | — |
| Clinical Research Advantage | Colorado Springs | Colorado | 80906 | — |
| Clinical Research Advantage | Colorado Springs | Colorado | 80909 | — |
| Colorado Springs Family Practice | Colorado Springs | Colorado | 80909 | — |
| Clinical Research Advantage, Inc/Co Springs Health Partners, Briar | Colorado Springs | Colorado | 80920 | — |
| Solutions Through Advanced Research, Inc. | Jacksonville | Florida | 32258 | — |
| Family Care Partners | Jacksonville | Florida | 32277 | — |
| Omega Research Consultants, Llc | Orlando | Florida | 32804 | — |
| Palm Harbor Medical Associates | Palm Harbor | Florida | 34684 | — |
| Gulfcoast Medical Research Center, Llc | Tampa | Florida | 33607 | — |
| Cedar-Crosse Research Ctr | Chicago | Illinois | 60607 | — |
| Clinical Research Advantage, Inc./Family Medicine Associates | Evansville | Indiana | 47725 | — |
| American Health Network Of In Llc | Muncie | Indiana | 47304 | — |
| Columbia Medical Practice | Columbia | Maryland | 21045 | — |
| Centennial Medical Group | Elkridge | Maryland | 21075 | — |
| Drs. Rodbard And Dempsey | Rockville | Maryland | 20852 | — |
| Ny Clinical Trials | New York | New York | 10018 | — |
| White Oak Family Physicians, Pa | Asheboro | North Carolina | 27203 | — |
| Metrolina Internal Medicine | Charlotte | North Carolina | 28204 | — |
| Medical Research Unlimited, Inc. | Cincinnati | Ohio | 45242 | — |
| Lion Research | Norman | Oklahoma | 73069 | — |
| Lynn Institute of Norman | Norman | Oklahoma | 73069 | — |
| Integrated Medical Group Pc / Fleetwood Medical Assoc. | Fleetwood | Pennsylvania | 19522 | — |
| Palmetto Clinical Trial Services Llc | Fountain Inn | South Carolina | 29644 | — |
| Holston Medical Group | Bristol | Tennessee | 37620 | — |
| Dallas Diabetes & Endocrine Center | Dallas | Texas | 75230 | — |
| Covenant Clinical Research, Pa | San Antonio | Texas | 78229 | — |
| Independence Family Medicine | Virginia Beach | Virginia | 23455 | — |
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 117 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01864174, 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 Nov 29, 2019 · Synced Oct 24, 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 NCT01864174 live on ClinicalTrials.gov.