The protease inhibitors and HIV-associated bone loss

August 2, 2016 at 8:22 am

Current Opinion In HIV and AIDS May 2016 V.11 N.3 P. 333–342

Moran, Caitlin A.; Weitzmann, M. Neale; Ofotokun, Ighovwerha

aDepartment of Medicine, Division of Infectious Diseases, Emory University School of Medicine

bGrady Healthcare System, Atlanta

cDepartment of Medicine, Division of Endocrinology, Metabolism & Lipids, Emory University School of Medicine, Atlanta

dAtlanta Department of Veterans Affairs Medical Center, Decatur, Georgia, USA

Purpose of review

HIV infection is an established risk factor for osteoporosis and bone fracture. Combination antiretroviral therapy (cART) increases bone resorption leading to an additional 2–6% bone mineral density (BMD) loss within the first 1–2 years of therapy. Although tenofovir disoproxil fumarate is often blamed for antiretroviral drug-associated bone loss, evidence abounds to suggest that other agents, including the protease inhibitors (PIs), have adverse bone effects. In the current review, we examine bone loss associated with protease inhibitor use, describing the relative magnitude of bone loss reported for individual protease inhibitors. We also review the potential mechanisms associated with protease inhibitor-induced bone loss.

Recent findings

As a class, protease inhibitors contribute to a greater degree of bone loss than other anchor drugs. HIV disease reversal and the associated immune reconstitution following cART initiation play an important role in protease inhibitor-mediated bone loss in addition to plausible direct effects of protease inhibitors on bone cells.

Summary

Protease inhibitors remain an important component of cART despite their adverse effects on bone. A better understanding of factors that drive HIV/cART-induced bone loss is needed to stem the rising rate of fracture in the HIV-infected population.

FULL TEXT

http://journals.lww.com/co-hivandaids/Fulltext/2016/05000/The_protease_inhibitors_and_HIV_associated_bone.12.aspx

PDF (CLIC in PDF)

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Entry filed under: Antirretrovirales, HIV/SIDA, HIV/SIDA HAART, HIV/SIDA Trastornos Oseos, Infecciones virales, Metodos diagnosticos, Update.

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