FDA converted 6.3% of PMA process-change notices, and recent conversions took a median 204 calendar days
Of the process-change supplements FDA received in 2015-2023, 927 records were converted from the 30-day notice route to the 135 Review Track, 6.3% of the notices filed. For notices received in 2018-2023, those supplements were approved a median 204 calendar days after receipt.
