MAUDE Adverse Event Report: BECTON, DICKINSON & CO. (SPARKS) BD MAX¿ CT/GC/TV; TRICHOMONAS VAGINALIS NUCLEIC ACID AMPLIFICATION TEST SYSTEM

Model Number 442970

Device Problem False Positive Result (1227)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 08/10/2022

Event Type  malfunction  

Event Description

Report 3 of 3: it was reported that bd max¿ ct/gc/tv false positives occurred.Upon retesting sample they came back negative.The following information was provided by the initial reporter: a few positive chlamydia¿s they think are a false positive.We tested them and they all came back positive and the curves looks good on our end but upon retesting they were all negative without treatment.

Manufacturer Narrative

A device evaluation and/or device history review is anticipated but is not complete.Upon completion, a supplemental report will be filed.

Manufacturer Narrative

H.6 investigation summary: the complaint investigation for discrepant results when using the bd max¿ ct/gc/tv (ref.(b)(4)) lots 2067778 and 2025616 was performed by the review of manufacturing records, review of customer¿s data and verification of complaints history.Review of the manufacturing records of the bd max¿ ct/gc/tv indicated that lots 2067778 and 2025616 were manufactured according to specifications and met performance requirements.The samples were repeated from a new collection sample taken after two, six or eleven days from the initial collect, depending on the sample, and gave a negative result in the repeat test (run 5615/a7, run 5526/a12 and run 5562/a3), without treatment having been given to the patients.Manual pcr curve adjudication of the six samples (three positive and three negative results) was done and revealed true but late amplification of the ct target for the three positive results, without anomaly.Late positive samples can occur due to targets load in the specimen being at or near the limit of detection of the assay or through environmental or cross contamination introduced during the sample preparation at the customer¿s site.Nevertheless, manual curve adjudication has limitations; visual examination of pcr curves for low signal is a conservative assessment of the data.Pcr curves analysis of the three repeat tests showed flat curves with no amplification in the ct target channel.No anomaly was observed in the repeat test.Overall, no product issue is suspected.There is no indication of a reagent issue based on the analysis of the complaints received for discrepant results on bd max¿ ct/gc/tv lots 2067778 and 2025616.The root cause was not identified.However, positives samples at the limit of detection of the assay or an environmental / cross contamination can explain the customer's positive results.Bd cannot confirm the complaint based on the investigation that was performed.H3 other text : see h.10.

Event Description

Report 3 of 3 it was reported that bd max¿ ct/gc/tv false positives occurred.Upon retesting sample they came back negative.The following information was provided by the initial reporter: a few positive chlamydia¿s they think are a false positive.We tested them and they all came back positive and the curves looks good on our end but upon retesting they were all negative without treatment.

• Brand Name: BD MAX¿ CT/GC/TV
• Type of Device: TRICHOMONAS VAGINALIS NUCLEIC ACID AMPLIFICATION TEST SYSTEM
• Manufacturer (Section D): BECTON, DICKINSON & CO. (SPARKS); 7 loveton circle; sparks MD 21152
• Manufacturer (Section G): BECTON, DICKINSON & CO. (SPARKS); 7 loveton circle; sparks MD 21152
• Manufacturer Contact: phillip emmert ; 9450 south state street; sandy, UT 84070 ; 8015296192
• MDR Report Key: 16010814
• MDR Text Key: 306794786
• Report Number: 1119779-2022-01510
• Device Sequence Number: 1
• Product Code: OUY
• Combination Product (y/n): N
• Reporter Country Code: CA
• PMA/PMN Number: K151589
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Other,User Facility
• Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date: 01/24/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Other
• Device Model Number: 442970
• Device Catalogue Number: 442970
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 11/29/2022
• Initial Date FDA Received: 12/19/2022
• Supplement Dates Manufacturer Received: 01/24/2023
• Supplement Dates FDA Received: 01/26/2023
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Is the Device Single Use?: No
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1