We describe the antiviral effect of maraviroc in a patient who had been shedding high levels of HIV-1 in seminal fluid for three years despite an undetectable blood plasma viral load. Adding maraviroc to HAART stopped the seminal shedding. We discuss the mechanisms involved and the effect on sexual transmission.
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http://dx.doi.org/10.3851/IMP2038 | DOI Listing |
Virology
December 2024
Department of Internal Medicine, Section of Infectious Diseases, Yale School of Medicine, New Haven, CT, 06520, USA. Electronic address:
HIV is still a pandemic; antiretroviral therapeutics for preventing and treating HIV infection continue to present significant challenges. The demand for new drugs and effective treatments remains ongoing. Here, we investigated the effects of combining Temsavir with other HIV entry inhibitors, including CD4 mimetic BNM-III-170, T20 or enfuvirtide, Ibalizumab, and Maraviroc.
View Article and Find Full Text PDFBraz J Infect Dis
December 2024
Hospital de Clínicas de Porto Alegre, Departamento de Doenças Infecciosas, Porto Alegre, RS, Brazil; Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Porto Alegre, RS, Brazil. Electronic address:
Background: Antiretroviral drug simplification is a strategy to reduce drug exposure and improve treatment adherence. Nowadays, dolutegravir plus lamivudine is the most preferred regimen, which might lead in the future with problems related to drug resistance or drug intolerance. This meta-analysis aimed to assess the safety of HAART simplification without integrase inhibitors.
View Article and Find Full Text PDFArch Pharm (Weinheim)
January 2025
Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo, Egypt.
DZH2, a dual inhibitor of the chemokine receptors CCR5 and CXCR4, was discovered from virtual screening for CCR5 antagonists. In specific Ca chemokine signaling assays, DZH2 displayed low micromolar IC values at both chemokine receptors. Its binding to intracellular allosteric binding sites of CCR5 and CXCR4 was confirmed by MD simulations and binding free-energy calculations.
View Article and Find Full Text PDFJ Chem Inf Model
November 2024
Computational Biology and Molecular Simulations Laboratory, Department of Biophysics, School of Medicine, Bahcesehir University, Istanbul 34353, Türkiye.
CCR5 is a class A GPCR and serves as one of the coreceptors facilitating HIV-1 entry into host cells. This receptor has vital roles in the immune system and is involved in the pathogenesis of different diseases. Various studies were conducted to understand its activation mechanism, including structural studies in which inactive and active states of the receptor were determined in complex with various binding partners.
View Article and Find Full Text PDFJ Med Virol
October 2024
Laboratoire de virologie, Hôpital Saint-Louis, APHP, Paris, France.
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