ArticleClinical infectious diseases : an official publication of the Infectious Diseases Society of America2024
Pharmacokinetics and Safety of Twice-daily Ritonavir-boosted Atazanavir With Rifampicin.
Article in Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04121195 (A Phase 3, Open-label, Dose Escalation Study to Determine the Pharmacokinetics of Atazanavir Administered With RIfampicin to HIV Positive Adults on sEcond-line ART Regimen With Suppressed HIV-1 Viral Load), which is not on this map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Phase 3, Open-label, Dose Escalation Study to Determine the Pharmacokinetics of Atazanavir Administered With RIfampicin to HIV Positive Adults on sEcond-line ART Regimen With Suppressed HIV-1 Viral Load (DERIVE)
Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- Model-based evaluation of the interaction between ritonavir-boosted atazanavir and rifampicin in Ugandan adults with HIV.British journal of clinical pharmacology · 2025Trial
- Population pharmacokinetics of ritonavir-boosted atazanavir in subsequent-line treatment in African children with HIV.Antimicrobial agents and chemotherapy · 2026Observational
- DeepMice: a novel protein-ligand molecular docking model based on multilevel mapping modules.Molecular diversity · 2026Article
- Intracellular Penetration of Atazanavir, Ritonavir and Dolutegravir With Concomitant Rifampicin: A Dose Escalation Study.Clinical pharmacology and therapeutics · 2025Article
- Physiologically based pharmacokinetic modeling of drug-drug interactions between ritonavir-boosted atazanavir and rifampicin in pregnancy.CPT: pharmacometrics & systems pharmacology · 2024Observational
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Authors and funding
15 authors at 6 institutions in 4 countries.
Funding
Abstract
backgroundCritical drug-drug interactions (DDI) and hepatotoxicity complicate concurrent use of rifampicin and protease inhibitors. We investigated whether dose escalation of atazanavir/ritonavir could safely overcome the DDI with rifampicin.
methodsDERIVE (NCT04121195, EDCTP) was a dose-escalation trial in people with human immunodeficiency virus (HIV) on atazanavir/ritonavir-based antiretroviral therapy (ART) in Uganda. Four intensive pharmacokinetic (PK) visits were performed: PK1 300/100 mg OD (baseline); PK2 300/100 mg OD with rifampicin 600 mg; PK3 300/100 mg twice a day (BID) with rifampicin 600 mg OD; PK4 300/100 mg BID with rifampicin 1200 mg OD. Dolutegravir 50 mg BID throughout the study period ensured participants remained protected from subtherapeutic atazanavir concentrations. The data were interpreted with noncompartmental analysis. The target minimum concentration was atazanavir's protein-adjusted IC90 (PA-IC90), 0.014 mg/L.
resultsWe enrolled 26 participants (23 female) with median (range) age 44 (28-61) years and weight 67 (50-75) kg. Compared with PK1, atazanavir Ctau, and AUC were significantly reduced at PK2 by 96% and 85%, respectively. The escalation to BID dosing (PK3) reduced this difference in Ctau, and AUC24 to 18% lower and 8% higher, respectively. Comparable exposures were maintained with double doses of rifampicin. Lowest Ctau during PK1, PK3, and PK4 were 12.7-, 4.8-, and 8.6-fold higher than PA-IC90, respectively, whereas 65% of PK2 Ctau were below the limit of quantification (0.03 mg/L), hence likely below PA-IC90. No participant developed significant elevation of liver enzymes, reported a serious adverse event (SAE) or experienced rebound viraemia.
conclusionsTwice daily atazanavir/ritonavir during rifampicin co-administration was well tolerated and achieved plasma concentrations above the target. CLINICAL TRIALS REGISTRATION: NCT04121195. Registered on 09 October 2019, https://clinicaltrials.gov/ct2/show/NCT04121195.
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