Impella Heart Pump Survival Data ‘Favorable:’ FDA

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FDA says that most recent, interim post-approval study (PAS) results for the Impella RP System continue to show the survival rate for the subgroup of PAS patients who would have met the enrollment criteria for the premarket clinical studies (72.7%, 16 out of 22 patients) is similar to the premarket clinical study survival rate (73.3%) while the survival rate for the subgroup of PAS patients who would not have qualified for the premarket clinical studies is lower (13.6%, six out of 44 patients).

 

In May, FDA issued a revised safety update on the device that emphasized proper patient selection after interim post-approval study results then indicated a lower survival rate for the subgroup of PAS patients who would not have qualified for inclusion in clinical studies performed before the device was approved. The Impella RP System is a temporary right heart pump system intended to help patients maintain stable heart function without open chest surgery.

 

“Based on our current analysis, the FDA believes that when the device is used for the currently approved indication in appropriately selected patients the benefits of the Impella RP system continue to outweigh the risks,” the agency’s update says.

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