Document 2692 DOCN M94A2692 TI Evaluation of 7 simple/rapid HIV antibody assays using seroconversion panels. DT 9412 AU Vercauteren G; Beelaert G; Belsey E; Constantine N; van der Groen G; Tamashiro H; Institute of Tropical Medicine, Department Infection & Immunity,; Antwerpen, Belgium. SO Int Conf AIDS. 1994 Aug 7-12;10(1):246 (abstract no. PB0415). Unique Identifier : AIDSLINE ICA10/94369883 AB OBJECTIVE: To evaluate the performance of 7 simple/rapid (S/R) HIV antibody assays with visual reading using seroconversion panels. METHODS: Seven S/R HIV antibody assays (Immunocomb Bispot, HIV Chek 1 + 2, Recombigen HIV-1/HIV-2 rapid test device, Serodia HIV-1, Serodia HIV-1/2, Capillus HIV1/HIV2, Test pack) were assessed using 11 seroconversion panels (BBI and Serologicals). Results were compared to the Abbott Recombinant HIV-1/HIV-2 3rd generation EIA (reference test) which consistently detected antibody at an early time post infection. RESULTS: All of the S/R assays detected antibody on the same day as the reference test in at least 5 of the 11 panels. Overall, the S/R assays detected antibody on the average between 0.5 and 4.2 days later than the reference test. On two occasions some of the simple tests were even earlier positive than the reference test. One test performed significantly worse (p < 0.01) than the reference test. The additional risks compared to the reference test of missing an infectious unit of blood during seroconversion by using the worst of the simple tests ranges from 1 per 100 million to 1 in 100,000 at an incidence of 0.0001% and 0.1% respectively. CONCLUSIONS: We conclude that, although there are differences in sensitivity between the S/R assays with visual reading when used to test blood from individuals during the course of seroconversion, the differences are small and comparable with those obtained by the more sophisticated ELISA tests. DE AIDS Serodiagnosis/*METHODS Blood Banks Comparative Study Human HIV Seropositivity/*DIAGNOSIS/IMMUNOLOGY HIV-1/*IMMUNOLOGY HIV-2/*IMMUNOLOGY *Immunoenzyme Techniques Predictive Value of Tests Reference Values MEETING ABSTRACT SOURCE: National Library of Medicine. NOTICE: This material may be protected by Copyright Law (Title 17, U.S.Code).