{"nct_id":"NCT04821323","title":"A Study Exploring the Use of Challenge Agents in Healthy Volunteers - Intervention Specific Appendix","status":"COMPLETED","status_verified_date":"2021-06","start_date":"2021-03-10","start_date_type":"ACTUAL","primary_completion_date":"2021-05-07","primary_completion_date_type":"ACTUAL","completion_date":"2021-05-07","completion_date_type":"ACTUAL","phases":["EARLY_PHASE1"],"tickers":["JNJ"]}