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M94A2711.TXT
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Document 2711
DOCN M94A2711
TI Evaluation of Vironostika HIV Uni-Form II EIA, a third generation assay.
DT 9412
AU Vercauteren G; Mangelschois M; van der Groen G; Institute of Tropical
Medicine, Department Infection & Immunity,; Antwerpen, Belgium.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):242 (abstract no. PB0397). Unique
Identifier : AIDSLINE ICA10/94369864
AB OBJECTIVE: To evaluate the performance of a new third generation enzyme
immunoassay (EIA). METHODS: A panel of 412 aliquoted samples stored at
-20 degrees C including samples of African (14%), European (76%) and
other or unknown origin (10%) was tested on the Vironostika HIV Uni-Form
II EIA (Organon Teknika Boxtel, The Netherlands). The prevalence for
HIV-1 and HIV-2 antibody in this panel was 10.4% and 2.2% respectively.
Additionally 4 HIV-1 seroconversion panels (PRB914, PRB916, PRB917,
PRB918) from BBI were tested. These results were compared with 8
different EIA's currently used in Europe. RESULTS: All known HIV-1 (43)
and HIV-2 (9) positive samples were detected with the EIA evaluated.
Five sera (5/359) remained repeatedly false reactive. These samples
belonged to patients with a history of malaria (2) an elevated
triglyceride (2) and with cystes of Entamoeba coli (1). The specificity
for this panel was 98.6%, however the results obtained on fresh taken
and frozen routine samples in Belgium (n = 120) (data not shown) gave a
specificity of 100%. The Vironostika HIV-Uni-Form II EIA performed
significantly better on the early seroconversion panels than the
Vironostika HIV mixt EIA, and equally well compared to the Abbott
recombinant 3rd generation EIA HIV-1+2. CONCLUSIONS: In this evaluation
using frozen serum samples, the sensitivity of the Vironostika HIV
Uni-Form II assay was 100% and the specificity 98.6%. HIV antibodies
were detected as early with the HIV Uni-Form II EIA as with the Abbott
HIV-1+2 EIA 3rd generation for the early seroconversion panels tested.
DE AIDS Serodiagnosis/*INSTRUMENTATION Comparative Study Human HIV
Seropositivity/*DIAGNOSIS/IMMUNOLOGY HIV-1/*IMMUNOLOGY
HIV-2/*IMMUNOLOGY Immunoenzyme Techniques/*INSTRUMENTATION Predictive
Value of Tests Quality Control MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).