inforMED
MalfunctionNHX

ELECSYS ANTI-CCP IMMUNOASSAY

Received Jul 9, 2019 · Event occurred May 19, 2019

Report 1823260-2019-02458 · MDR key 8771670

Device

Generic name

Antibodies, Anti-cyclic Citrullinated Peptide (ccp)

Manufacturer

Roche Diagnostics

Model number

NA

Catalog number

05031656190

Lot number

389152

Product problems

  • Non Reproducible Results
  • Non Reproducible Results

Patient

Not reported

  • No Consequences Or Impact To Patient
  • No Consequences Or Impact To Patient

Narrative

Additional Manufacturer Narrative

THE CALIBRATION DATA DOES NOT CONTAIN ANY ABNORMALITIES. BASED ON THE PROVIDED DATA, A GENERAL REAGENT ISSUE CAN BE EXCLUDED. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Additional Manufacturer Narrative

THE INVESTIGATION IS ONGOING. THE EVENT OCCURRED IN (B)(6).

Description of Event or Problem

THE INITIAL REPORTER COMPLAINED OF QUESTIONABLE RESULTS FOR APPROXIMATELY 60 PATIENTS TESTED FOR ELECSYS ANTI-CCP ON A COBAS 6000 E 601 MODULE SERIAL NUMBER (B)(4) COMPARED TO A COBAS E 411 IMMUNOASSAY ANALYZER. THE CUSTOMER PROVIDED EXAMPLES OF ANTI-CCP RESULTS FOR 14 PATIENT SAMPLES. OF THE DATA PROVIDED, THERE WERE DISCREPANT RESULTS FOR 13 PATIENT SAMPLES. REFER TO THE ATTACHMENT TO THE MEDWATCH FOR ALL PROVIDED PATIENT SAMPLE DATA. THE RESULTS FROM THE E 411 WERE CONSISTENT WITH THE PATIENTS' CLINICAL DIAGNOSIS. THE DISCREPANT RESULTS WERE REPORTED OUTSIDE OF THE LABORATORY. THERE WAS NO ALLEGATION OF AN ADVERSE EVENT.