Preventing Bone Loss Among Chinese Patients With HIV on ART

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

600 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-06-01

Study Completion Date

2020-12-31

Brief Summary

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The major goal of this study will be to conduct a randomized, double-blind, placebo-controlled, clinical trial of intermittent high-dose vitamin D3 supplementation (180,000IU) given at the point of care (every 3 months) after initiation of ART with tenofovir/ lamivudine/ efavirenz to compare its ability to mitigate reductions in bone mineral density over 12 months compared to placebo.

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Detailed Description

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Studies among adult and pediatric populations have suggested vitamin D supplementation may be efficacious for mitigating the bone loss seen with tenofovir-based antiretroviral therapy (ART). Because patients with HIV face significant pill burden, competing priorities and health care associated costs, we seek to explore a pragmatic approach to prevention. The investigators propose a randomized controlled, double-blind, placebo intervention trial to assess the efficacy, tolerability, and safety of an intermittent high-dose vitamin D3 supplementation regimen given quarterly at the point of care for adult patients receiving free ART through the China National Free AIDS Treatment Program. The period of supplementation will be limited to the first 48 weeks after treatment initiation when ART-associated bone loss is most pronounced. This will be followed by supplementation of all participants with vitamin D3 from 48 to 96 weeks to compare the impact of early vitamin D3 supplementation (at ART initiation) versus late vitamin D3 supplementation (at 48 weeks) on change in BMD.

Furthermore, despite the rapid rise in access to ART in China, infrastructure to diagnose and manage osteoporosis is not always easily accessible for patients with HIV in China due to limited availability of dual-energy x-ray absorptiometry (DXA), the gold standard for BMD measurement. Therefore, the current proposal also seeks to bridge this gap by exploring the potential applications of quantitative ultrasound (QUS), a portable and low-cost method of assessing BMD that has been demonstrated to reliably predict fracture, in HIV care settings.

A total of 400 treatment-naïve Chinese adults diagnosed with HIV from 3 study sites in Beijing will be enrolled and followed with serial DXA exams to evaluate the primary aim. These 400 patients plus another 200 participants from 3 additional study sites from Fuzhou, Shenzhen, and Guangxi province, will be evaluated with serial QUS ultrasound examinations for the secondary aims. Serum and urine samples will be collected and stored at pre-specified time points.

Conditions

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HIV/AIDS Osteoporosis Bone Loss

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Double-blind

Study Groups

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Vitamin D3 Supplementation Arm

This arm will receive 180,000IU vitamin D3 every 3 months from baseline through week 96.

Group Type EXPERIMENTAL

Vitamin D3

Intervention Type DIETARY_SUPPLEMENT

180,000IU Vitamin D3 oral emulsion

Placebo Arm

This arm will receive placebo every 3 months from baseline through week 48, followed by 180,000IU vitamin D3 every 3 months from week 48 through week 96.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

Placebo

Interventions

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Vitamin D3

180,000IU Vitamin D3 oral emulsion

Intervention Type DIETARY_SUPPLEMENT

Placebo

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Provision of signed and dated informed consent form
* Willingness and availability to engage in study activities for the duration of the study
* Documented HIV-1 infection (confirmed by Western blot)
* ART naïve at the time of enrollment
* Eligible to initiate ART (TDF/3TC/EFV) within 1 month
* Ability to take oral medication and be willing to adhere to the mediation regimen
* For females of reproductive potential: use of highly effective contraception

Exclusion Criteria

* Pregnancy or breastfeeding
* AIDS-defining illness within 2 weeks of entry
* Liver disease (transaminase and alkaline phosphatase levels more than three times the upper limit of the normal range (ULN), bilirubin level more than 2.5 times the ULN)
* Chronic kidney disease (serum creatinine level more than 1.5 times the ULN)
* Patients with a history of injection drug usage
* Known history of osteoporosis, osteoporotic fracture, or other metabolic/inherited bone disorder
* History of treatment with prescription therapies for osteoporosis (for example: bisphosphonates, denosumab, teriparatide, selective estrogen receptor modifying agents, active forms of vitamin D).
* Unwillingness to discontinue previous vitamin D supplementation, if any, at time of enrollment
* Rheumatoid arthritis
* Malabsorption or inflammatory bowel disease
* Hyperparathyroidism, hypercalcemia, or hypocalcemia
* History of kidney stones
* Poorly controlled thyroid disease
* History of neuromuscular disorder/movement disorder, stroke or seizures
* History of significant neurocognitive disorders (including mental health conditions or dementia)
* Glucocorticoids, estrogen, testosterone, or anticonvulsant use within the past six months

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No