MAUDE Adverse Event Report: A.I.D.D LONGFORD ARCHITECT ESTRADIOL

Catalog Number	07K72-25
Medical Device Problem Code	Incorrect, Inadequate or Imprecise Result or Readings (1535)
Health Effect - Clinical Code	No Known Impact Or Consequence To Patient (2692)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
An in-house investigation confirmed that the drug mifepristone causes interference/cross-reactivity with the architect estradiol assay leading to falsely elevated estradiol results.A product correction letter was issued on 05feb2019 to all architect estradiol and alinity i estradiol customers who received one of the impacted lots.The product correction letter informs the customer that patients undergoing mifepristone therapy should not be tested with the architect estradiol or the alinity i estradiol assays for up to two weeks post their last dose.It also instructs the customer to review the letter with their medical director.The architect and alinity estradiol package inserts will be updated to include new information regarding interference/cross-reactivity between the architect and alinity estradiol assays and the drug mifepristone.There is no further patient information provided by the customer.
Event or Problem Description
The customer reported falsely elevated estradiol results on three patients.The physician stated the elevated results did not match clinical symptoms.The results provided were: pt#1 architect = 32044pmol/l (follicular phase 77.1-921.2) / roche = 412.4 (follicular phase 45.5-854.0); pt#2 arch = 47348 (mid menstruation 139.5-2381.8) / roche =233 (ovulation phase 151.0-1461.0); pt#3 arch = 95560 (luteal phase 77.1 -1145.00) / roche = 366.8 (luteal phase 81.9-1251.0).All 3 females of child bearing age had been administered mifepristone within the past 2 weeks.There was no reported impact to patient management.

• Brand Name: ARCHITECT ESTRADIOL
• Common Device Name: ESTRADIOL
• Manufacturer (Section D): A.I.D.D LONGFORD; lisnamuck; co. longford; longford NA ; EI NA
• MDR Report Key: 8704560
• Report Number: 3005094123-2019-00181
• Device Sequence Number: 14006102
• Product Code: CHP
• UDI-Device Identifier: 00380740014711
• UDI-Public: 00380740014711
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: EXEMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: foreign,health professional
• Initial Reporter Occupation: Other Health Care Professional
• Remedial Action: Notification
• Type of Report: Initial
• Report Date (Section B): 06/17/2019

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
• Operator of Device: Health Professional
• Device Expiration Date: 09/10/2019
• Device Catalogue Number: 07K72-25
• Device Lot Number: 94285UI00
• Was Device Available for Evaluation?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/13/2019
• Initial Report FDA Received Date: 06/17/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• If action reported to FDA under 21 USC 360i(g), list FDA-assigned Recall Number or include a statement: 3005094123-02/8/19-001-C
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: ARCHITECT I2000SR ANALYZER, LIST # 03M74-02,; SERIAL # (B)(4)