The abacavir regimens may increase inflammation, causing plaque i

The abacavir regimens may increase inflammation, causing plaque instability. Metabolic products of abacavir, but not of other NRTIs, can bind to specific human leucocyte Selleckchem Roxadustat antigen molecules, mediating release of proinflammatory cytokines, resulting in a hypersensitivity reaction [26]. Perhaps a similar, more protracted mechanism is involved in a putative cardiotoxicity, although the timing clearly is inconsistent with a hypersensitivity reaction. Abacavir is a key drug in modern HIV treatment and

understanding of its potential toxicities is urgently needed. Markers of cardiovascular risk factors are improving in quality [27] and it would be helpful to test whether these markers predict increased risk of cardiovascular disease in patients randomized to abacavir arms in previously completed clinical trials. In conclusion, the findings from this study and the DAD study suggest that abacavir is associated with an increased risk of MI. Further studies are needed to quantify the association

and to control for potential, as yet unmeasured, confounding. We thank the staff of our clinical departments for their continuous support and enthusiasm, Preben and Anna Simonsen’s Foundation, and the Clinical Institute of Copenhagen University for financial support. No funding sources were involved Selleckchem INK128 in study design, data collection, analysis, report writing or decision to submit the paper. Centres in the Danish HIV Cohort Study Departments of Infectious Diseases at Copenhagen University Hospitals, Rigshospitalet (J. Gerstoft, N. Obel) and Hvidovre (G. Kronborg), check Odense University Hospital (C. Pedersen), Aarhus University Hospitals, Skejby (C. S. Larsen) and Aalborg (G. Pedersen), Herning Hospital (A. L. Laursen), Helsingør Hospital (L. Nielsen) and Kolding Hospital (J. Jensen). Conflicts of interest N. Obel has received research funding from Roche, Bristol-Myers Squibb, Merck Sharp & Dohme, GlaxoSmithKline, Abbott, Boehringer Ingelheim, Janssen-Cilag and Swedish Orphan. C. Pedersen has received research funding from Abbott, Roche, Bristol-Myers Squibb, Merck Sharp & Dohme,

GlaxoSmithKline, Swedish Orphan and Boehringer Ingelheim. J. Gerstoft has received research funding from Abbott, Roche, Bristol-Myers Squibb, Merck Sharp & Dohme, PharmAsia, GlaxoSmithKline, Swedish Orphan and Boehringer Ingelheim. H. T. Sørensen does not report receipt of fees, honoraria, grants or consultancies. However, the Department of Clinical Epidemiology, Aarhus University Hospital, is involved in studies funded by various companies (Amgen, Pfizer, Glaxo SmithKline and Centocor) in the form of research grants administered by Aarhus University. None of these studies overlaps with the present study. D. K. Farkas, G. Kronborg, C. S. Larsen, G. Pedersen, A. Riis, C. Pedersen and H. T. Sørensen report no conflicts of interest.

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