{"nct_id":"NCT05212831","title":"Portable Oxygen Concentrator (POC) Versus Standard of Care in Long-COVID: Randomized Crossover Exploratory Pilot Study.","status":"COMPLETED","status_verified_date":"2023-07","start_date":"2022-06-08","start_date_type":"ACTUAL","primary_completion_date":"2023-03-02","primary_completion_date_type":"ACTUAL","completion_date":"2023-03-02","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["INGN"]}