News | Ventricular Assist Devices (VAD) | June 12, 2019

FDA Confirms Impella RP is Safe and Effective

Use of early identification protocol leads to higher survival and native heart recovery, as demonstrated in FDA studies

FDA Confirms Impella RP is Safe and Effective

June 12, 2019 — In a letter sent to healthcare providers, the U.S. Food and Drug Administration (FDA) validates that Abiomed’s Impella RP heart pump is safe and effective for treatment of right heart failure.  The letter comes after the FDA examined the results from Abiomed’s 18-month post-approval study (PAS) of 42 Impella RP patients. The data shows a 64 percent survival rate and 90 percent heart recovery for the subgroup of PAS patients who met the enrollment criteria of Impella RP’s premarket clinical studies. That survival rate is, as the FDA writes in its letter, “similar to the premarket clinical stxudy survival rate,” which was 73 percent.

A control group humanitarian device exemption (HDE) study of a non-Impella surgical device1 using the same protocol showed a survival rate of 43 percent.

FDA Data Source Survival Rates
Post-approval study (n=14) 64% (9/14)
Premarket clinical studies (RR + CAP + HDE PAS) (n=60) 73% (44/60)
PMA control group data (non-Impella surgical device) (n=24) 43% (10/24)

 

 

 

 

The FDA letter emphasizes the need for early patient selection, and determines late identification and treatment of cardiogenic shock as the root cause of differences between the survival rate in the pre-market study and the PAS. The FDA writes, “PAS patients who would not have qualified for the premarket clinical studies were more likely to have been in cardiogenic shock for longer than 48 hours, experienced a cardiac arrest, or suffered a pre-implant hypoxic or ischemic neurologic event before getting the Impella RP system implanted.”  Healthcare providers are encouraged to use the Impella RP checklist, which the FDA and Abiomed collaborated to develop, to assist with proper patient selection to optimize outcomes.

The FDA has no safety concerns about the Impella RP itself and noted the ongoing collaboration between the agency and Abiomed during this process, including interactive labeling updates around patient selection guidelines and best practices. The 18-month PAS report has been accepted by the FDA and is successfully closed.

Impella RP is the most studied right-sided device and the only percutaneous technology with FDA approval designating it as safe and effective for right heart support, according to Abiomed. Its exclusive FDA approval is a result of five years of research that included:

  • RECOVER RIGHT, an FDA-approved, prospective, multicenter, single-arm study, which commenced after the company received FDA investigational device exemption (IDE) approval in November 2012 and concluded in 2014;

  • HDE approval study, which was completed in January 2015;

  • A Continuous Access Protocol (CAP); and

  • FDA post-approval study, initiated after PMA approval in September 2017.

Abiomed tracks outcomes on nearly 100 percent of its U.S. patients through its Impella Quality (IQ) Database, helps improve patient outcomes in real-time through its Impella Connect cloud-based platform, and prospectively conducts FDA clinical studies through its IRB-approved cVAD Study.

For more information: www.abiomed.com

Read the October 2019 article "FDA Post Clearance Study Shows Timely Diagnosis of Right Heart Failure and Early Impella RP Use Leads to Better Survival."
 

 

 

 

Reference

1. Humanitarian Device Exemption (HDE) study of surgical VAD is not powered for comparison but uses the same FDA protocol for right ventricular failure. HDE criteria to meet is safe and probable benefit, compared to safe and effective for PMA approval.

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