{"nct_id":"NCT03780257","title":"Study to Evaluate Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene","status":"COMPLETED","status_verified_date":"2022-04","start_date":"2019-03-06","start_date_type":"ACTUAL","primary_completion_date":"2021-10-14","primary_completion_date_type":"ACTUAL","completion_date":"2021-10-14","completion_date_type":"ACTUAL","phases":["PHASE1","PHASE2"],"tickers":["PRQR"]}