SIMPLEXA COVID-19 DIRECT ASSAY
Report
- Report Number
- 2023365-2021-00060
- Event Type
- Malfunction
- Date Received
- June 1, 2021
- Date of Event
- August 24, 2020
- Report Date
- June 1, 2021
- Manufacturer
- DIASORIN MOLECULAR LLC
- Product Code
- QJR
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- WA, US
- Reporter Occupation
- OTHER HEALTH CARE PROFESSIONAL
Narratives
DIASORIN MOLECULAR LLC RECEIVED A COMPLAINT ALLEGING FALSE POSITIVE RESULTS ON PATIENT SAMPLES THAT RESULTED POSITIVE (S GENE ONLY) WHEN USING THE SIMPLEXA COVID-19 DIRECT ASSAY, BUT NEGATIVE WHEN REPEATED ON THE SAME SIMPLEXA ASSAY LOT. RUNS FROM THIS KIT LOT WERE NOT PROVIDED BY THE CUSTOMER, BUT THEY HAVE HAD SIMILAR COMPLAINTS OF ONLY S GENE POSITIVES THAT REPEATED AS NEGATIVE ON OTHER LOTS. THE CUSTOMER'S DEVICE AND SUSPECTED FALSE POSITIVE SAMPLES WERE NOT PROVIDED FOR INVESTIGATION. NO PATIENT DATA OR INFORMATION WAS PROVIDED. RETAINS OF MOL4151, LOT# 8002N WERE TESTED ON 8/31/2020 WITH EIGHT (8) NO TEMPLATE CONTROLS (NTC) REPLICATES AND ZERO (0) FALSE POSITIVES OCCURRED IN EITHER S GENE OR ORF1AB TARGETS. THE ALLEGED FALSE POSITIVES COULD NOT BE REPLICATED WITH THE NTC TESTING THAT MIMICKED NEGATIVE SAMPLE TESTING. BATCH RECORD REVIEW SHOWED THE CRITICAL COMPONENT, REACTION MIX MOL4151, LOT# 8002N, MET ALL QC RELEASE CRITERIA PRIOR TO KIT RELEASE. MOL4151, LOT# 8002N WAS TESTED USING A TOTAL OF 35 NO-TEMPLATE CONTROLS (NTC) REPLICATES WITH ZERO (0) OCCURRENCES OF FALSE POSITIVES IN EITHER S GENE OR ORF1AB TARGETS. NO MALFUNCTIONS OCCURRED DURING QC RELEASE TESTING. THIS IS THE 1ST COMPLAINT ON MOL4150, LOT# 7925N FOR SUSPECTED FALSE POSITIVE RESULTS.
IN LIGHT OF THE COVID-19 PANDEMIC AND THE SUBSEQUENT EMERGENCY USE AUTHORIZATIONS (EUAS) FOR SARS-COV-2 DIAGNOSTICS TESTS, PER THE CONDITIONS OF AUTHORIZATION FOR THIS PRODUCT, SUSPECTED FALSE NEGATIVES AND FALSE POSITIVES WILL BE REPORTED UNDER 21 CFR 803, AS WELL AS SIGNIFICANT CHANGES IN EXPECTED PERFORMANCE CHARACTERISTICS. THERE HAS BEEN NO REPORT OF PATIENT INJURY/DEATH DUE TO CONTRIBUTION OF ALLEGED FALSE TESTING RESULTS IN THIS EVENT OR OTHERS WITH THIS IVD; HOWEVER, THIS IS BEING REPORTED CONSERVATIVELY IN THE CASE THAT IF THIS ALLEGED MALFUNCTION WERE TO RECUR THERE IS A NON-REMOTE POTENTIAL FOR A PATIENT TO INCUR A SERIOUS INJURY/DEATH. DIASORIN MOLECULAR LLC RECEIVED A COMPLAINT ALLEGING FALSE POSITIVE RESULTS ON PATIENT SAMPLES THAT RESULTED POSITIVE (S GENE ONLY) WHEN USING THE SIMPLEXA COVID-19 DIRECT ASSAY, BUT NEGATIVE WHEN REPEATED ON THE SAME SIMPLEXA ASSAY LOT. THE CUSTOMER CONFIRMED THE ALLEGED FALSE POSITIVE RESULTS WERE NOT REPORTED TO A DIAGNOSING PHYSICIAN AND NO ALLEGED HARM OCCURRED. PATIENT INFORMATION AND SAMPLE COLLECTION METHOD WAS NOT PROVIDED.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 813994 | SIMPLEXA COVID-19 DIRECT ASSAY | REAL TIME RT-PCR ASSAY FOR THE IVD QUALITATIVE DETECTION OF SARS-COV-2 VIRAL RNA | QJR | DIASORIN MOLECULAR LLC | 8001N |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 |