SIMPLEXA FLU A/B AND RSV DIRECT ASSAY
Report
- Report Number
- 2023365-2014-00034
- Event Type
- Malfunction
- Date Received
- December 29, 2014
- Date of Event
- January 21, 2014
- Report Date
- January 31, 2014
- Manufacturer
- FOCUS DIAGNOSTICS, INC.
- Product Code
- OCC
- PMA / PMN Number
- K120413
- Removal / Correction Number
- Z-1144-2014
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- WI, US
- Reporter Occupation
- OTHER
Narratives
CORRECTED THE LOT NUMBER OF THE PRODUCT TO THE KIT PRODUCT LOT NUMBER. THE USER FACILITY REPORTED THE REACTION MIX LOT NUMBER 24602. THE INVESTIGATION OF THE SIMPLEXA FLU A/B RSV DIRECT KIT ((B)(4)) SUGGESTED THAT THE ROOT CAUSE FOR THE OCCURRENCE OF FALSE POSITIVE (AND SUB-AMPLIFICATIONS) WERE DUE TO THE LOT TO LOT VARIABILITY OF THE SCORPION PRIMERS. TO MITIGATE THE OCCURRENCE OF FALSE POSITIVES (AND SUB-AMPLIFICATIONS), FOCUS DX REPLACED THE RECOMBINANT TAQ POLYMERASE USED IN THE MOL2651 REACTION MIX WITH HOT-START TAQ POLYMERASE AND REDUCED PRODUCTION TIME FOLLOWING BULK MOL2651 FORMULATION TO 2 HOURS. ADDITIONALLY, FOCUS DX NOW EMPLOYS MORE EXTENSIVE TESTING WITH NO TEMPLATE CONTROL (NTC) IN THE QA KIT RELEASE CRITERIA. THESE CORRECTIVE AND PREVENTATIVE ACTIONS ARE EFFECTIVE IN MITIGATING THE EFFECTS POSED BY THE POTENTIAL LOT TO LOT VARIABILITY OF THE SCORPIONS. (B)(4).
THE CUSTOMER REPORTED THAT THEY ARE SEEING WEAK FLU B SAMPLES (POSITIVE). THE SAMPLES WERE SENT TO THE STATE LAB AND THE REPEAT TESTING SHOWED NEGATIVE RESULTS. THE LABORATORY REPORTED THE RESULT TO THE DOCTOR. THE COMPANY ALSO RECEIVED A MEDWATCH REPORT (MW5034638) VIA THE FDA FROM THIS CUSTOMER. A VOLUNTARY RECALL HAS BEEN PERFORMED RELATED TO THE REPORTED LOT.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 855565 | SIMPLEXA FLU A/B AND RSV DIRECT ASSAY | IN-VITRO-DIAGNOTIC TEST, INFLUENZA | OCC | FOCUS DIAGNOSTICS, INC. | MOL2650 | 24603 |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | UNK |