FDA Adverse Event Malfunction Summary report: N

COBAS® SARS-COV-2 - 480T

MDR report key: 13552593 · Received February 17, 2022

Report

Report Number
2243471-2022-00227
Event Type
Malfunction
Date Received
February 17, 2022
Date of Event
January 11, 2022
Report Date
May 24, 2022
Manufacturer
ROCHE MOLECULAR SYSTEMS, INC. - BRANCHBURG
Product Code
QJR
PMA / PMN Number
EUA200009
Removal / Correction Number
NA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
AS
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE INVESTIGATION IS ON-GOING. A SUPPLEMENTAL MDR WILL BE FILED UPON COMPLETION OF THE INVESTIGATION. THE CUSTOMER'S ISSUE HAS BEEN ALLEGED ON THE COBAS 6800 SYSTEM (PRODUCT CATALOG NUMBER 05524245001; UDI: (B)(4); PMA 510K: BK140196; PRODUCT CODE: MZA). THE TEST USED ON THE COBAS 6800 SYSTEM IS THE COBAS SARS-COV-2 FOR USE ON THE COBAS 6800-8800 SYSTEM (B)(4), PRODUCT CODE: QJR). THE PRODUCT CATALOG NUMBER FOR THE TEST (480T) IS 09343733190 AND THE UDI IS (B)(4).

Additional Manufacturer Narrative · 0

A CAPA WAS INITIATED. PER THE INVESTIGATION, THE UNDERLYING TECHNICAL ROOT CAUSE IS OPTICAL SPATIAL CROSS TALK, WHICH IN SPECIFIC SITUATIONS (HIGH POSITIVITY RATE ON THE PLATE WITH SIMILAR CT VALUES OF TRUE POSITIVES WITH HIGH RFI VALUES AROUND A NEGATIVE SAMPLE) IN COMBINATION WITH THE ASAP (ASSAY SPECIFIC ANALYSIS PACKAGE) SETTING MAY LEAD TO FALSE POSITIVES. ASAP IS A SOFTWARE WHICH CONTAINS ALL ASSAY SPECIFIC PARAMETERS AND DEFINITIONS. BASED ON THE EVALUATION OF GLOBAL COMPLAINT DATA AND THE QUANTITY OF TESTS SOLD GLOBALLY, THE FREQUENCY OF OCCURRENCE IS ESTIMATED TO BE (B)(4) TEST RESULTS. A FALSE POSITIVE RATE ANYWHERE IN THIS RANGE WOULD NOT CAUSE AN IMPACT TO THE OVERALL PERFORMANCE OF THE TEST OR THE TEST¿S SPECIFICITY. WHILE A FALSE-POSITIVE RESULT FOR SARS-COV-2 COULD LEAD TO COHORTING WITH OTHERS WITH TRUE SARS-COV-2 INFECTION AND TRANSMISSION OF THE INFECTION TO THE ERRONEOUSLY DIAGNOSED PATIENT (INCLUDING THOSE AT HIGH RISK DUE TO COMORBIDITIES), PRIOR VACCINATION AND THE AVAILABILITY OF ANTIVIRAL MEDICATIONS AND OTHER TREATMENT MODALITIES CAN REDUCE THE LIKELIHOOD SEVERE ILLNESS, HOSPITALIZATION AND/OR DEATH. THE LATTER ALSO MITIGATES THE RISK FOR THOSE WHO MAY DEFER PROTECTIVE MEASURES BECAUSE OF ASSUMED NATURAL IMMUNITY. HOWEVER, PATIENTS WITH RISK FACTORS FOR SEVERE DISEASE WOULD BE LESS LIKELY TO RELAX THEIR PRECAUTIONS. TAKING THE LOW RATE OF FALSE POSITIVE OCCURRENCE AND THE LOW PROBABILITY OF SUBSEQUENT PATIENT SAFETY IMPACTS TOGETHER, THE FALSE POSITIVES ARE UNLIKELY TO CAUSE ADVERSE TRANSIENT OR SEVERE ADVERSE EVENTS. ADDITIONALLY, NO HARM WAS INDICATED IN THE CURRENT CASE. AN UPDATED ASAP VERSION WITH OPTIMIZED SETTINGS WILL BE MADE AVAILABLE. (B)(4).

Description of Event or Problem · 0

IN LIGHT OF THE COVID-19 PANDEMIC AND THE SUBSEQUENT EMERGENCY USE AUTHORIZATIONS (EUAS) FOR SARS-COV-2 DIAGNOSTIC TESTS, THE AGENCY HAS REQUESTED HEIGHTENED REPORTING BEYOND THE REASONABLY SUGGESTS REQUIREMENTS OF 803 TO INCLUDE ALLEGATIONS OF FALSE POSITIVE OR FALSE NEGATIVE RESULTS INDEPENDENT OF HARM OR MALFUNCTION OR OFF-LABEL USE. PURSUANT TO THE AGENCY¿S INSTRUCTION, WE HEREBY SUBMIT THIS MDR. REVIEW OF THE INSTRUMENT DATA AT A CUSTOMER SITE IN AUSTRALIA IDENTIFIED SEVEN (7) SUSPECTED FALSE POSITIVE RESULTS IN TWO TEST RUNS WHEN USING THE COBAS SARS-COV-2 TEST ON THE COBAS 6800 SYSTEM (SN# (B)(4). THESE SAMPLES GENERATED TARGET 1 POSITIVE AND TARGET 2 NEGATIVE RESULTS IN THE TEST RUN. IT WAS NOTED THAT THE CUSTOMER TREATS ALL SINGLE-TARGET POSITIVES AS "INDETERMINATE", SO NO "POSITIVES" WOULD HAVE BEEN REPORTED OUT FOR TARGET 1-ONLY SPECIMENS. NO PATIENT INFORMATION OR RETEST RESULTS WAS PROVIDED. NO HARM WAS INDICATED. TWO MDRS WILL BE FILED, ONE FOR EACH OF THE 2 TEST RUNS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1298731 COBAS® SARS-COV-2 - 480T REAGENTS, 2019-NOVEL CORONAVIRUS NUCLEIC ACID QJR ROCHE MOLECULAR SYSTEMS, INC. - BRANCHBURG NA H04937

Patients

Seq Age Sex Outcome Treatment
1 Unknown