ClinicalTrials.gov record
Investigation of Metformin in Pre-Diabetes on Atherosclerotic Cardiovascular OuTcomes
ClinicalTrials.gov ID: NCT02915198
Public ClinicalTrials.gov record NCT02915198. 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 May 7, 2026, 12:10 PM EDT
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
CSP #2002 - Investigation of Metformin in Pre-Diabetes on Atherosclerotic Cardiovascular OuTcomes (VA-IMPACT)
Study identification
- NCT ID
- NCT02915198
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- VA Office of Research and Development
- Federal
- Enrollment
- 7,410 participants
Conditions and interventions
Conditions
Interventions
- Metformin XR Drug
- Placebo 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
- Apr 2, 2023
- Primary completion
- Sep 27, 2029
- Completion
- Sep 27, 2029
- Last update posted
- Dec 16, 2025
2023 – 2029
United States locations
- U.S. sites
- 40
- U.S. states
- 28
- U.S. cities
- 40
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Phoenix VA Health Care System, Phoenix, AZ | Phoenix | Arizona | 85012 | Recruiting |
| Southern Arizona VA Health Care System, Tucson, AZ | Tucson | Arizona | 85723-0001 | Recruiting |
| Central Arkansas VHS John L. McClellan Memorial Veterans Hospital, Little Rock, AR | Little Rock | Arkansas | 72205-5484 | Recruiting |
| VA Loma Linda Healthcare System, Loma Linda, CA | Loma Linda | California | 92357-1000 | Recruiting |
| VA Long Beach Healthcare System, Long Beach, CA | Long Beach | California | 90822 | Recruiting |
| VA Palo Alto Health Care System, Palo Alto, CA | Palo Alto | California | 94304-1207 | Recruiting |
| VA San Diego Healthcare System, San Diego, CA | San Diego | California | 92161-0002 | Recruiting |
| VA Greater Los Angeles Healthcare System, West Los Angeles, CA | West Los Angeles | California | 90073-1003 | Recruiting |
| Rocky Mountain Regional VA Medical Center, Aurora, CO | Aurora | Colorado | 80045-7211 | Recruiting |
| VA Connecticut Healthcare System West Haven Campus, West Haven, CT | West Haven | Connecticut | 06516-2770 | Recruiting |
| Bay Pines VA Healthcare System, Pay Pines, FL | Bay Pines | Florida | 33744-0000 | Recruiting |
| North Florida/South Georgia Veterans Health System, Gainesville, FL | Gainesville | Florida | 32608-1135 | Recruiting |
| Miami VA Healthcare System, Miami, FL | Miami | Florida | 33125 | Recruiting |
| Atlanta VA Medical and Rehab Center, Decatur, GA | Decatur | Georgia | 30033-4004 | Recruiting |
| VA Pacific Islands Health Care System, Honolulu, HI | Honolulu | Hawaii | 96819-1522 | Recruiting |
| Jesse Brown VA Medical Center, Chicago, IL | Chicago | Illinois | 60612 | Terminated |
| Edward Hines Jr. VA Hospital, Hines, IL | Hines | Illinois | 60141-3030 | Recruiting |
| Iowa City VA Health Care System, Iowa City, IA | Iowa City | Iowa | 52246-2292 | Recruiting |
| Lexington VA Medical Center, Lexington, KY | Lexington | Kentucky | 40502-2235 | Not yet recruiting |
| Rehabilitation R&D Service, Baltimore, MD | Baltimore | Maryland | 21202 | Recruiting |
| VA Boston Healthcare System Jamaica Plain Campus, Jamaica Plain, MA | Boston | Massachusetts | 02130-4817 | Recruiting |
| Minneapolis VA Health Care System, Minneapolis, MN | Minneapolis | Minnesota | 55417-2309 | Recruiting |
| Kansas City VA Medical Center, Kansas City, MO | Kansas City | Missouri | 64128-2226 | Recruiting |
| Omaha VA Nebraska-Western Iowa Health Care System, Omaha, NE | Omaha | Nebraska | 68105-1850 | Recruiting |
| New Mexico VA Health Care System, Albuquerque, NM | Albuquerque | New Mexico | 87108-5153 | Recruiting |
| Manhattan Campus of the VA NY Harbor Healthcare System, New York, NY | New York | New York | 10010-5011 | Recruiting |
| Durham VA Medical Center, Durham, NC | Durham | North Carolina | 27705-3875 | Recruiting |
| Cincinnati VA Medical Center, Cincinnati, OH | Cincinnati | Ohio | 45220-2213 | Active, not recruiting |
| Louis Stokes VA Medical Center, Cleveland, OH | Cleveland | Ohio | 44106-1702 | Recruiting |
| VA Portland Health Care System, Portland, OR | Portland | Oregon | 97207-2964 | Recruiting |
| Ralph H. Johnson VA Medical Center, Charleston, SC | Charleston | South Carolina | 29401-5703 | Recruiting |
| Wm. Jennings Bryan Dorn VA Medical Center, Columbia, SC | Columbia | South Carolina | 29209-1638 | Recruiting |
| Memphis VA Medical Center, Memphis, TN | Memphis | Tennessee | 38104-2127 | Recruiting |
| VA North Texas Health Care System Dallas VA Medical Center, Dallas, TX | Dallas | Texas | 75216-7167 | Recruiting |
| Michael E. DeBakey VA Medical Center, Houston, TX | Houston | Texas | 77030-4211 | Recruiting |
| VA Salt Lake City Health Care System, Salt Lake City, UT | Salt Lake City | Utah | 84148-0001 | Recruiting |
| Hunter Holmes McGuire VA Medical Center, Richmond, VA | Richmond | Virginia | 23249 | Recruiting |
| Salem VA Medical Center, Salem, VA | Salem | Virginia | 24153-6404 | Recruiting |
| Huntington VA Medical Center, Huntington, WV | Huntington | West Virginia | 25704-9300 | Recruiting |
| Clement J. Zablocki VA Medical Center, Milwaukee, WI | Milwaukee | Wisconsin | 53295-0001 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02915198, 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 Dec 16, 2025 · Synced May 7, 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 NCT02915198 live on ClinicalTrials.gov.