SIMPLEXA FLU A/B AND RSV DIRECT ASSAY
Report
- Report Number
- 2023365-2014-00007
- Event Type
- Malfunction
- Date Received
- December 29, 2014
- Date of Event
- January 9, 2014
- Report Date
- January 9, 2014
- Manufacturer
- FOCUS DIAGNOSTICS, INC.
- Product Code
- OCC
- PMA / PMN Number
- K120413
- Removal / Correction Number
- Z-0846-2014
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- NY, US
- Reporter Occupation
- OTHER HEALTH CARE PROFESSIONAL
Narratives
PATIENT GENDER INFORMATION NOT REPORTED. THE INVESTIGATION OF SIMPLEXA FLU A/B AND RSV DIRECT KIT (MOL2650) SUGGESTED THAT THE ROOT CAUSE FOR THE OCCURRENCE OF FALSE POSITIVES (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 QC 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 LOW LEVEL POSITIVE RSV RESULTS IN MOST OF THEIR SAMPLES FOR PATIENT TESTING. TEN (10) SAMPLES WERE REPEATED USING A DIFFERENT KIT MODEL AND THE RESULTS WERE RSV NEGATIVE. THE LABORATORY DID NOT REPORT THE RESULTS TO THE DOCTOR. A VOLUNTARY RECALL HAS BEEN PERFORMED RELATED TO THE REPORTED LOT.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 855456 | SIMPLEXA FLU A/B AND RSV DIRECT ASSAY | IN-VITRO-DIAGNOSTIC TEST, INFLUENZA | OCC | FOCUS DIAGNOSTICS, INC. | MOL2650 | 24495 |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | UNK |