ClinicalTrials.gov record
Vitamin D to Improve Outcomes by Leveraging Early Treatment
ClinicalTrials.gov ID: NCT03096314
Public ClinicalTrials.gov record NCT03096314. 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.
Study identification
- NCT ID
- NCT03096314
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Massachusetts General Hospital
- Other
- Enrollment
- 1,358 participants
Conditions and interventions
Interventions
- Vitamin D3 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 26, 2017
- Primary completion
- Dec 10, 2018
- Completion
- Dec 10, 2018
- Last update posted
- Jan 26, 2020
2017 – 2018
United States locations
- U.S. sites
- 47
- U.S. states
- 18
- U.S. cities
- 37
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UCSF Fresno | Fresno | California | 93701 | — |
| Ronald Reagan UCLA Medical Center | Los Angeles | California | 90095 | — |
| UC Davis Medical Center | Sacramento | California | 95817 | — |
| UCSF Medical Center | San Francisco | California | 94143 | — |
| Stanford University | Stanford | California | 94305 | — |
| Medical Center of Aurora | Aurora | Colorado | 80045 | — |
| University of Colorado Hospital | Aurora | Colorado | 80045 | — |
| St. Joseph Hospital | Del Norte | Colorado | 80218 | — |
| Denver Health Medical Center | Denver | Colorado | 80204 | — |
| Swedish Medical Center | Englewood | Colorado | 80113 | — |
| IU Health Methodist Hospital | Indianapolis | Indiana | 46202 | — |
| University of Kentucky | Lexington | Kentucky | 40506 | — |
| University Medical Center | New Orleans | Louisiana | 70112 | — |
| Maine Medical Center | Portland | Maine | 04102 | — |
| Tufts Medical Center | Boston | Massachusetts | 02111 | — |
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | — |
| Massachusetts General Hospital | Boston | Massachusetts | 02214 | — |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | — |
| Baystate Medical Center | Springfield | Massachusetts | 01199 | — |
| St. Vincent's Hospital | Worcester | Massachusetts | 01608 | — |
| University of Michigan Medical Center | Ann Arbor | Michigan | 48109 | — |
| Henry Ford Medical Center | Detroit | Michigan | 48025 | — |
| University of Mississippi Medical Center | Jackson | Mississippi | 39216 | — |
| Mt. Sinai Hospital | New York | New York | 10029 | — |
| Montefiore Medical Center | The Bronx | New York | 10467 | — |
| Wake Forest Baptist Medical Center | Winston-Salem | North Carolina | 27157 | — |
| Summa Akron City Hospital | Akron | Ohio | 44304 | — |
| University of Cincinnati Medical Center | Cincinnati | Ohio | 45219 | — |
| Cleveland Clinic Foundation | Cleveland | Ohio | 44195 | — |
| OSU Hospital East Campus | Columbus | Ohio | 43203 | — |
| Ohio State University Wexner Medical Center | Columbus | Ohio | 43210 | — |
| Providence Portland Medical Center | Portland | Oregon | 97213 | — |
| Oregon Health and Science University | Portland | Oregon | 97239 | — |
| Penn State Hershey Medical Center | Hershey | Pennsylvania | 17033 | — |
| UPMC Presbyterian/Mercy/Shadyside | Pittsburgh | Pennsylvania | 15261 | — |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37221 | — |
| Intermountain Medical Center | Murray | Utah | 84107 | — |
| McKay-Dee Hospital | Ogden | Utah | 84403 | — |
| Utah Valley Regional Medical Center | Provo | Utah | 84604 | — |
| University of Utah Hospital | Salt Lake City | Utah | 84132 | — |
| LDS Hospital | Salt Lake City | Utah | 84143 | — |
| University of Virginia Health System | Charlottesville | Virginia | 22903 | — |
| VCU Medical Center | Richmond | Virginia | 23298 | — |
| Harborview Medical Center | Seattle | Washington | 98104 | — |
| University of Washington Medical Center | Seattle | Washington | 98104 | — |
| Swedish Hospital Cherry Hill | Seattle | Washington | 98122 | — |
| Swedish Hospital First Hill | Seattle | Washington | 98122 | — |
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 NCT03096314, 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 Jan 26, 2020 · Synced Jul 21, 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 NCT03096314 live on ClinicalTrials.gov.