inforMED
MalfunctionGGP

FACTOR VIII ANTIBODY SCREEN

Received Jul 20, 2018 · Event occurred Nov 27, 2017

Report 2183608-2018-00002 · MDR key 7706639

Device

Generic name

Factor Viii Antibody Screen

Catalog number

F8S

Lot number

3004682

Product problems

  • Insufficient Device Problem Information
  • Insufficient Device Problem Information

Patient

70 YR

  • No Known Impact Or Consequence To Patient
  • Missing Value Reason
  • No Known Impact Or Consequence To Patient
  • Missing Value Reason

Narrative

Description of Event or Problem

CUSTOMER COMPLAINT (B)(4) WAS RECEIVED ON (B)(6) 2017 FOR FACTOR VIII ANTIBODY SCREEN (303283) LOT 3004682. THE CUSTOMER REPORTED THAT A (B)(6) YEAR OLD MALE PATIENT HAD FACTOR VIII ANTIBODY SCREEN ASSAY RESULTS THAT WERE NEGATIVE, AND THE LABORATORY'S BETHESDA ASSAY RESULTS WERE POSITIVE (2.4 TITER). FACTOR VII ANTIBODY SCREEN ASSAY RESULTS ARE ALSO DEPENDENT ON THE PROGRESSION OF ANTIBODY FORMATION AS WELL AS IF/WHEN FVIII THERAPY IS ADMINISTERED. THE PATIENT'S COURSE OF THERAPY WAS NOT AVAILABLE FROM THE LABORATORY.