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Trial of Vitamin D in HIV Progression — TOV4  

HIV Infection Clinical Trial

Official title:
Trial of Vitamin D in HIV Progression

Clinical Trial Summary

The purpose of this study is to determine the efficacy and safety of vitamin D3 (cholecalciferol) supplementation on HIV progression and incidence of pulmonary tuberculosis among HIV-positive Tanzanian adult men and women initiating highly active antiretroviral therapy (HAART).

Clinical Trial Description

HIV-infected adults initiating antiretroviral therapy in resource-limited settings experience high mortality, pulmonary tuberculosis, and other comorbidity rates during the first year of HIV treatment. Observational studies have shown low vitamin D is a risk factor for HIV progression and incidence of pulmonary tuberculosis among adults initiating HAART; however, whether this relationship is causal and if vitamin D supplementation starting at HAART initiation can improve health outcomes has not been determined. This study is a randomized, double-blind, placebo-controlled trial conducted to examine the effect of vitamin D3 supplementation on morality and pulmonary tuberculosis for adults initiating HAART. Participants are HIV-positive Tanzanian men and women aged 18 years and older, who are initiating HAART at the time of randomization whose baseline 25-hydroxyvitamin D (25(OH)D) concentration is <30ng/mL. Eligible individuals are randomized to receive a) a vitamin D3 regimen consisting 50,000 IU of vitamin D3 taken orally once per week for 4 weeks (weeks 0, 1, 2, 3) followed by 2,000 IU of vitamin D3 supplements taken orally once per day starting at 4 weeks until study discharge at 12 months or b) placebo pills taken once weekly for 4 weeks (weeks 0, 1, 2, 3) followed by placebo pills taken daily starting at 4 weeks until study discharge. Participants will be followed for 12 months after ART initiation. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01798680
Study type Interventional
Source Harvard School of Public Health
Contact
Status Completed
Phase Phase 3
Start date February 2014
Completion date March 31, 2019
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