Det prospektive studie CNA 106030 (PREDICT- 1) har vist, at screening for HLA- B* 5701 allel før behandling og efterfølgende undgåelse af abacavir til patienter med dette allel reducerede forekomsten af overfølsomhedsreaktioner over for abacavir.
Based on the prospective study CNA106030 (PREDICT- 1), use of pre-therapy screening for the HLA-B*5701 allele and subsequently avoiding abacavir in patients with this allele significantly reduced the incidence of abacavir hypersensitivity reactions.