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Thursday, March 25, 2010

Novartis Vaccines and Diagnostics Withdraws Chiron RIBA HCV 3.0 SIA From Market

DATE NOTIFICATON INITIATED:
February 26, 2010
PRODUCT / LOT NUMBER / EXPIRATION DATE:
Chiron RIBA HCV 3.0 SIA 
Product Code:  930600
Lot Numbers
Expiration Date
YA1209
June 22, 2009
YA1691
August 31, 2009
YA1758
September 22, 2009
YA1804
September 29, 2009
98290
May 17, 2010
98743
May 31, 2010
MANUFACTURER:
Novartis Vaccines and Diagnostics
Emeryville, CA
REASON:
Novartis Vaccines and Diagnostics, Inc. (Novartis Diagnostics) received complaints from customers reporting false positive assay results when using the Chiron RIBA HCV 3.0 SIA (Strip Immunoblot Assay).

Novartis Diagnostics initiated an investigation including a review of all batch records for the lots listed above and determined that all lots were manufactured according to established procedures and met all performance specifications.  In addition, the kits lots were retested as part of this investigation and confirmed all lot-release specifications continue to be met.  However, as part of the investigational testing performed to date, Novartis Diagnostics reproduced discordant results with specimens returned from customers on certain lots of Chiron RIBA HCV 3.0 SIA.  The etiology of these discordant results is undetermined, and testing evidence supports that an increase in false positive results is possible with the lots listed above.  Internal testing of known positive specimens on retained lots yielded accurate results; therefore, Novartis has no evidence that true positive specimen results are impacted.  Customers have been asked to contact the manufacturer to arrange for product return.

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