Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT01751646 · ClinicalTrials.gov registry record · NA
Vitamin D Absorption in HIV Infected Young Adults Being Treated With Tenofovir Containing cART
A NA study, sponsored by University of North Carolina, Chapel Hill.
- Completed
- Registry status
- NA
- Development phase
- 214
- Enrollment target
NCT01751646: Completed NA study, sponsored by University of North Carolina, Chapel Hill.
NCT01751646 is a NA study that has completed, run by University of North Carolina, Chapel Hill. The registered enrollment target is 214 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (85% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01751646, a NA study, has completed, sponsored by University of North Carolina, Chapel Hill.
- COMPLETED
- Registry status
- NA
- Development phase
- 214 participants
- Enrollment target
Study Summary
This is a 48 week randomized double-blind, placebo-controlled prospective cohort study of adolescents and young adults with HIV infection in the Adolescent Medicine Trials Network for HIV/AIDS Interventions (ATN) who are currently being treated with cART that includes tenofovir disoproxil fumarate (TDF) as one component of the regimen that includes at least three Food and Drug Administration (FDA)-approved antiretroviral (ARV) drugs for at least 180 days.
Primary Outcome
Percent change from baseline to week (wk) 48 in DXA-measured BMD at the spine for the randomized study groups. Lumbar spine BMD (L1 - L4) (g/cm2) change from Baseline to wk 48 visit.
Interventions
- DIETARY_SUPPLEMENT Vitamin D3 placebo
- DIETARY_SUPPLEMENT Vitamin D3 50,000 IU
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 214 participants |
| Start Date | 2012-10 |
| Est. Completion | 2016-06 |
| Phase | NA |
What the finished NCT01751646 record still lists
NCT01751646 is an interventional study that assigns participants to a tested intervention. The registered 214 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (85% lower).
The record links to 0 conditions, and to 2 interventions - of which Vitamin D3 placebo is the first listed.
NCT01751646 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01751646 about?
NCT01751646 is a clinical study titled "Vitamin D Absorption in HIV Infected Young Adults Being Treated With Tenofovir Containing cART". This is a 48 week randomized double-blind, placebo-controlled prospective cohort study of adolescents and young adults with HIV infection in the Adolescent Medicine Trials Network for HIV/AIDS Interventions (ATN) who are currently being treated with cART that includes tenofovir disoproxil fumarate (...
What is the current status of trial NCT01751646?
This trial is currently completed. It is a NA study. The enrollment target is 214 participants. The study started on 2012-10. Estimated completion is 2016-06.
What interventions are being tested in trial NCT01751646?
The interventions under investigation include: Vitamin D3 placebo (DIETARY_SUPPLEMENT), Vitamin D3 50,000 IU (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT01751646?
This trial is sponsored by University of North Carolina, Chapel Hill, which has 1,109 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01751646's enrollment target sits among peer trials
214 487th of 2000 higher than 1,513 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT04030507 · 214 participants · NA
Screening Magnetic Resonance Imaging of the Brain in Patients With Breast Cancer
- NCT04421248 · 214 participants · Phase 4
Biomarker Validation in Motor System Physiology in Attention Deficit Hyperactivity Disorder
- NCT04667520 · 214 participants · NA
Testing a Lifestyle Physical Activity Intervention for Women With Depression in Alcohol Treatment
- NCT05418868 · 214 participants · Phase 1
A Study to Investigate Pharmacokinetics, Safety and Tolerability of Long-Acting Cabotegravir Plus Recombinant Human Hyaluronidase PH20 in Healthy Adult Participants
Similar registry start date
- NCT05988463 · started 2027-01-01 · Phase 1
Dose-Escalation Study of Artesunate Patients With IPF
- NCT07219706 · started 2026-12-10 · NA
Dietary Fiber and Time Restricted Eating
- NCT02831335 · started 2026-12-01
Technical Development of Multi-Parametric Renocerebral MRI
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia