FDA Adverse Event Death Summary report: N

ZEPHYR ENDOBRONCHIAL VALVE (EBV)

MDR report key: 10228323 · Received July 3, 2020

Report

Report Number
3007797756-2020-00142
Event Type
Death
Date Received
July 3, 2020
Date of Event
June 1, 2020
Report Date
June 2, 2020
Manufacturer
PULMONX CORPORATION
Product Code
NJK
PMA / PMN Number
P180002
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
US
Reporter Occupation
003

Narratives

Additional Manufacturer Narrative · 1

PNEUMOTHORAX IS THE MOST COMMON SIDE EFFECT ASSOCIATED WITH THE ZEPHYR VALVE TREATMENT (CRINER ET AL. A MULTICENTER RANDOMIZED CONTROLLED TRIAL OF ZEPHYR ENDOBRONCHIAL VALVE TREATMENT IN HETEROGENEOUS EMPHYSEMA (LIBERATE). AM J RESPIR CRIT CARE MED. 2018; 198 (9): 1151-1164). TARGETED LOBAR DEFLATION LIKELY CAUSES INFLATION OF THE IPSILATERAL LOBE, WHICH CAN RESULT IN A TEAR OF THE ALREADY COMPROMISED PARENCHYMAL TISSUE OF THE EMPHYSEMATOUS IPSILATERAL LOBE, RESULTING IN A PNEUMOTHORAX (CRINER ET AL. A MULTICENTER RANDOMIZED CONTROLLED TRIAL OF ZEPHYR ENDOBRONCHIAL VALVE TREATMENT IN HETEROGENEOUS EMPHYSEMA (LIBERATE). AM J RESPIR CRIT CARE MED. 2018; 198 (9): 1151-1164). IN THE LIBERATE STUDY (IDE CLINICAL STUDY USED TO SUPPORT PMA P180002'S APPROVAL), 26.6% OF THE ZEPHYR VALVE SUBJECTS EXPERIENCED A PNEUMOTHORAX IN THE TREATMENT PERIOD ([LESS THAN OR EQUAL TO 45 DAYS). THESE WERE MANAGED USING STANDARD OF CARE PROCEDURES AS PER PREVIOUSLY PUBLISHED GUIDELINES (VALIPOUR, ARSCHANG, ET AL. RESPIRATION 87.6 (2014): 513-521). IN 17.4% OF THE EVENTS, THE PNEUMOTHORAX RESOLVED WITHOUT ANY ADDITIONAL INTERVENTION WITH SUBJECTS UNDER CAREFUL OBSERVATION. IN OVER HALF THE EVENTS (56.5%), THE PNEUMOTHORAX WAS MANAGED WITH A CHEST-TUBE ONLY. AN ADDITIONAL 13% OF THE EVENTS WERE MANAGED WITH A CHEST-TUBE AND THE TEMPORARY REMOVAL OF ONE OR MORE VALVES, WHILE ANOTHER 13% OF THE EVENTS WERE MANAGED WITH A CHEST-TUBE AND REMOVAL OF ALL THE IMPLANTED VALVES. UPON SUCCESSFUL RESOLUTION OF THE PNEUMOTHORAX, REMOVED VALVES CAN BE REPLACED. PATIENTS THAT EXPERIENCED A PNEUMOTHORAX EXPERIENCED CLINICAL BENEFITS OF THE ZEPHYR VALVE TREATMENT THAT WERE SIMILAR TO THE BENEFITS EXPERIENCED BY PATIENTS WHO DID NOT HAVE A PNEUMOTHORAX. THE ZEPHYR EBV SYSTEM IFU AND PULMONX TRAINING PROGRAM BOTH SPECIFICALLY REFERENCE PNEUMOTHORAX AS A KNOWN SIDE EFFECT OF THIS PROCEDURE AND THE PUBLISHED GUIDELINES (VALIPOUR, ARSCHANG, ET AL. "EXPERT STATEMENT: PNEUMOTHORAX ASSOCIATED WITH ENDOSCOPIC VALVE THERAPY FOR EMPHYSEMA-POTENTIAL MECHANISMS, TREATMENT ALGORITHM, AND CASE EXAMPLES." RESPIRATION 87.6 (2014): 513-521). THE REPORTED EVENT ALIGNS WITH THE EXPERIENCE OBSERVED IN THE LIBERATE CLINICAL STUDY AND IS AN EXPECTED SIDE EFFECT TO THE ZEPHYR VALVE TREATMENT.

Description of Event or Problem · 1

ON (B)(6) 2020, PATIENT HAD ZEPHYR VALVES IMPLANTED. A PNEUMOTHORAX WAS OBSERVED IN THE LEFT UPPER LOBE AND A CHEST TUBE WAS INSERTED. THE PATIENT WAS IMPROVING BUT THEN CONTINUED TO WORSEN. ON (B)(6) 2020, THE VALVES WERE REMOVED. THE PATIENT THEN EXPERIENCED A LARGER PNEUMOTHORAX AND WENT TO INTERVENTIONAL RADIOLOGY FOR ANOTHER CHEST TUBE TO BE PLACED. THE PATIENT DECLINED FURTHER AND AS OF (B)(6) 2020 THERE WAS TALK OF HIM BEING MOVED TO HOSPICE. THE PATIENT PASSED AWAY (B)(6) 2020 AT THE HOSPITAL.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
694482 ZEPHYR ENDOBRONCHIAL VALVE (EBV) ENDOBRONCHIAL VALVE NJK PULMONX CORPORATION ZEPHYR 4.0 EBV

Patients

Seq Age Sex Outcome Treatment
1 70 YR Death| H| L| O| R