May 24, 2022

Philips Respironics provides update on filed MDRs in connection with the voluntary recall notification/field safety notice* for specific CPAP, BiPAP and mechanical ventilator devices

Amsterdam, the Netherlands – In June 2021, Royal Philips’ (NYSE: PHG, AEX: PHIA) subsidiary, Philips Respironics, initiated a voluntary recall notification in the US/field safety notice in other countries for certain sleep and respiratory care products to address potential health risks related to the polyester-based polyurethane (PE-PUR) sound abatement foam in certain CPAP, BiPAP and mechanical ventilator devices.

At the time the recall notification/field safety notice was issued, Philips Respironics relied on an initial, limited data set and toxicological risk assessment, and assumed a reasonable worst-case scenario for the possible health risks. Following Philips’ public statements on the issue and possible risks to users in April 2021, and the announcement of the recall notification/field safety notice in June 2021, Philips Respironics received a steep increase in complaints allegedly associated with possible foam degradation.

This led to an increase from the 30 Medical Device Reports (MDRs) that had been filed by Philips Respironics to the FDA  between 2011 and April 2021 (there were no reports of patient injury or death among these 30 MDRs), to more than 20,000 MDRs filed by Philips Respironics to the FDA between April 2021 and April 2022.

It is important to note that the submission of an MDR itself is not evidence that the device caused or contributed to the adverse outcome or event, and that the cause of an event cannot typically be determined from this reporting system alone. Philips Respironics investigates all allegations of device malfunction, death, or serious injury.

“We regret any concern or inconveniences caused by this field action and we are committed to supporting the community of patients who rely on our sleep and respiratory care solutions for their health and quality of life, and the physicians and customers who are dedicated to meeting patient needs,” said David Ferguson, Business Leader of Philips Respironics [1]. “We are replacing or repairing the devices related to the Respironics field action as fast as possible and are continuing to update patients and customers about the progress of the program. More than 1,000 of our colleagues are working around the clock on every aspect of the remediation.”

Comprehensive test and research program

Since June 2021, together with certified testing laboratories and other qualified third-party experts, Philips Respironics has been conducting a comprehensive test and research program on the PE-PUR foam to better assess and scope potential patient health risks related to possible emission of particulates from degraded foam and certain volatile organic compounds (VOCs).

In December 2021, Philips provided an update on the VOC test results to-date for the first-generation DreamStation devices. Exposure to the level of VOCs identified to date for the first-generation DreamStation devices (that were not exposed to ozone cleaning) is not typically anticipated to result in long-term health consequences for patients.

Initial testing results suggest that PE-PUR foam degradation in CPAP devices is accelerated by repeated exposure to ozone cleaning. The FDA and Philips have communicated and reiterated that ozone is not an approved cleaning agent. For example, as directed by FDA, Philips has prominently published information on the risk of using ozone cleaners on the landing page of the Philips Respironics field action website.

Comprehensive testing and analyses related to the affected CPAP and BiPAP devices are ongoing and Philips Respironics expects to provide an update in the second quarter of 2022.

Independent analysis of health risks

Independent of Philips Respironics, in December 2021, an analysis was published in the American Journal of Respiratory and Critical Care Medicine [2] that did not find a higher risk of incident cancer among obstructive sleep apnea (OSA) patients who used a Philips Respironics PAP device as compared to OSA patients who used a PAP device from other manufacturers, or OSA patients without treatment. The analysis and conclusion were based on data from a large multicenter cohort study involving 6,903 OSA patients on PAP devices between 2012 and 2020, including 1,220 Philips Respironics PAP users.

In May 2022, an analysis was published online in the European Respiratory Journal [3] that concluded that sustained and adherent CPAP therapy of OSA using Philips Respironics devices, compared with other manufacturers’ devices, was not associated with an increased risk of cancer after a median follow-up time of 7.2 years. The analysis and conclusion were based on data from a large multicenter cohort study involving 4,447 OSA patients on CPAP devices between 2007 and 2018, including 1,648 Philips Respironics CPAP users. Philips Respironics was not involved in the study or the analysis.


* Voluntary recall notification in the US/field safety notice outside the US.
[1] Since April 2021.
[2] An Association between Positive Airway Pressure Device Manufacturer and Incident Cancer? A Secondary Data Analysis; American Journal of Respiratory and Critical Care Medicine, 2021, Volume 204, Issue 12 pp. 1484–1488; Tetyana Kendzerska, Richard S. Leung, Mark I. Boulos, Daniel I. McIsaac, Brian J. Murray, Gregory L. Bryson, Robert Talarico, Atul Malhotra, Andrea S. Gershon, Constance Mackenzie, and Marcus Povitz.
[3] Cancer risk in adherent users of polyurethane foam-containing CPAP devices for sleep apnoea, European Respiratory Journal 2022, in press (https://doi.org/10.1183/13993003.00551-2022), Grégoire Justeau, Chloé Gervès-Pinquié, Marie Jouvenot, Thierry Pigeanne, Sandrine Launois, Laurene Leclair-Visonneau, Philippe Masson, Acya Bizieux-Thaminy, Sébastien Bailly, Nicole Meslier, Abdelkebir Sabil, Jean-Louis Racineux, Wojciech Trzepizur, and Frédéric Gagnadoux.

About Royal Philips

Royal Philips (NYSE: PHG, AEX: PHIA) is a leading health technology company focused on improving people's health and well-being, and enabling better outcomes across the health continuum – from healthy living and prevention, to diagnosis, treatment and home care. Philips leverages advanced technology and deep clinical and consumer insights to deliver integrated solutions. Headquartered in the Netherlands, the company is a leader in diagnostic imaging, image-guided therapy, patient monitoring and health informatics, as well as in consumer health and home care. Philips generated 2021 sales of EUR 17.2 billion and employs approximately 79,000 employees with sales and services in more than 100 countries. News about Philips can be found at www.philips.com/newscenter.

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