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Population Effectiveness of Dolutegravir Implementation in Sub-Saharan Africa — DISCO  

HIV-1-infection Clinical Trial

Official title:
Population Effectiveness of Dolutegravir Implementation in Sub-Saharan Africa: A Prospective Observational Cohort Study

Clinical Trial Summary

This is a prospective observational cohort study enrolling participants in South Africa and Uganda who are prescribed an HIV treatment regimen containing lamivudine, tenofovir, and dolutegravir, which is known as TLD. We hope to better understand how effective TLD will be in sub-Saharan Africa. If treatment failure occurs, we seek to understand the possible reasons, including drug resistance and adherence challenges.

Clinical Trial Description

This study is a prospective observational cohort study at three government-supported HIV clinics in rural South Africa and Uganda. We will enroll 1,000 adults living with HIV who are switched from first-line antiretroviral therapy (ART) containing non-nucleoside reverse transcriptase inhibitors (NNRTIs) to TLD. We will follow participants for one year with study visits at enrollment, 24 weeks, and 48 weeks. Study procedures include interviews, body measurements, chart review, and collection of blood and urine specimens for retrospective testing, including viral load, drug resistance testing, antiretroviral drug level testing, and tests to evaluate the effects of TLD on renal, liver, metabolic, and other organ function. Aim 1: To determine the contributions of resistance prior to switch to TLD from a NNRTI-based regimen to risk of treatment failure after six and twelve months on TLD. Hypothesis: People living with HIV who experience virologic failure on TLD will have increased odds of NRTI mutations prior to TLD exposure, compared to controls with virologic suppression. Aim 2: Explore pharmacologic measures of adherence to distinguish virologic failure on TLD due to suboptimal adherence versus resistance using 2a) urine tenofovir (TFV) levels and 2b) tenofovir diphosphate (TFV-DP) in dried blood spots (DBS). Hypothesis: Absence of TFV in urine and TFV-DP concentrations in DBS will distinguish ART failure with versus without resistance. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04066036
Study type Observational
Source Massachusetts General Hospital
Contact
Status Completed
Phase
Start date May 14, 2019
Completion date May 31, 2023
View Details
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