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Resolution of Neuropsychiatric Adverse Events After Switching to a Doravirine-Based Regimen in the Open-Label Extensions of the DRIVE-AHEAD and DRIVE-FORWARD Trials.
J Acquir Immune Defic Syndr
January 2025
MSD France, Puteaux, France.
Background: Neuropsychiatric adverse events (NPAEs) are associated with several antiretrovirals. Doravirine (DOR), a non-nucleoside reverse transcriptase inhibitor indicated for HIV-1 treatment, does not interact significantly with known neurotransmitter receptors in vitro. First-line therapy with DOR-based regimens resulted in significantly fewer NPAEs than efavirenz/emtricitabine/tenofovir disoproxil fumarate (EFV/FTC/TDF) and similar rates to those of ritonavir-boosted darunavir (DRV/r) with 2 nucleos(t)ide reverse transcriptase inhibitors (NRTIs) through Week 96 of the phase 3 DRIVE-AHEAD and DRIVE-FORWARD studies, respectively.
View Article and Find Full Text PDFPlasma Viral Load of 200 Copies/mL is a Suitable Threshold to Define Viral Suppression and HIV Drug Resistance Testing in Low- and Middle-Income Countries: Evidence From a Facility-Based Study in Cameroon.
J Int Assoc Provid AIDS Care
December 2024
Chantal BIYA International Reference Centre for Research on HIV/AIDS Prevention and Management, Yaoundé, Cameroon.
Introduction: In low-and-middle-income-countries (LMIC), viral suppression is defined as plasma viral load (PVL) below 1000 copies/mL (low-level viremia [LLV]) and threshold for HIV drug resistance (HIVDR) testing. However, there is evidence that drug resistance mutations (DRMs) may emerge at LLV, thus compromising antiretroviral treatment (ART) response We evaluated sequencing success rates (SSR) at LLV, described HIVDR profiles and adequacy with potential efficacy of tenofovir-lamivudine-dolutegravir (TLD).
Methods: A cross-sectional study was conducted among individuals with LLV at the Chantal BIYA International Reference Centre, Yaoundé, Cameroon from January 2020 through August 2021.
The incidence of symptomatic CSF viral escape in patients on antiretroviral therapy in western India: a retrospective cohort study.
J Neurovirol
November 2024
Research Methodology and Biostatistics Core, Office of Research, Department of Internal Medicine, Morsani College Of Medicine, University of South Florida, Tampa, FL, USA.
Antiretroviral treatment (ART) effectively suppresses viral loads in both plasma and cerebrospinal fluid (CSF). Patients with discordant plasma and CSF viral loads may experience chronic-progressive or fluctuating neurocognitive dysfunctions. This study examined the incidence of symptomatic CSF viral escape (CSFVE) in patients receiving ART.
View Article and Find Full Text PDFPhysiologically based pharmacokinetic modeling of drug-drug interactions between ritonavir-boosted atazanavir and rifampicin in pregnancy.
CPT Pharmacometrics Syst Pharmacol
November 2024
Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool, UK.
Ritonavir-boosted atazanavir (ATV/r) and rifampicin are mainstays of second-line antiretroviral and multiple anti-TB regimens, respectively. Rifampicin induces CYP3A4, a major enzyme involved in atazanavir metabolism, causing a drug-drug interaction (DDI) which might be exaggerated in pregnancy. Having demonstrated that increasing the dose of ATV/r from once daily (OD) to twice daily (BD) in non-pregnant adults can safely overcome this DDI, we developed a pregnancy physiologically based pharmacokinetic (PBPK) model to explore the impact of pregnancy.
View Article and Find Full Text PDFAntiretroviral Therapy with Ritonavir-Boosted Atazanavir- and Lopinavir-Containing Regimens Correlates with Diminished HIV-1 Neutralization.
Vaccines (Basel)
October 2024
National Microbiology Center, Institute of Health Carlos III (ISCIII), 28220 Madrid, Spain.
Background/objectives: The impact of virion maturation on neutralizing antibody responses in HIV treatment is not fully understood. This study examines whether antiretroviral regimens (ART) with boosted protease inhibitors (b-PI), which increase exposure to immature virions, affect neutralization capacity compared to Non-b-PI regimens.
Methods: Neutralization activity was assessed in 45 HIV-infected individuals on b-PI regimens and 56 on Non-b-PI regimens, adjusting for factors like infection duration, ART initiation, and immune markers.
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