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Clinical and immunogenetic correlates of abacavir hypersensitivity
Journal article   Peer reviewed

Clinical and immunogenetic correlates of abacavir hypersensitivity

E.J. Phillips, G. Wong, R. Kaul, K. Shahabi, D. Nolan, S.R. Knowles, A.M. Martin, S. Mallal and N.H. Shear
AIDS, Vol.19(9), pp.979-981
2005
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Abstract

A patch test (PT) may be useful in defining true abacavir hypersensitivity syndrome (AHS). Seven previously PT-positive patients remote from the original AHS were shown to have robust 24 h responses, supporting PT durability. HLA-B*5701 was present in all seven PT-positive versus one of 11 controls tolerating abacavir (P < 0.001). Five of seven PT (71%) versus one of 11 controls (9%) (P = 0.005) showed significant abacavir-specific CD8 proliferation, suggesting a direct role for HLA-B*5701-restricted CD8 cells in the pathophysiology of AHS.

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