{"nct_id":"NCT01299467","title":"A Study To Assess The Duration Of Action Of PF-03526299 In Asthmatic Subjects Following Allergen Challenge","status":"WITHDRAWN","status_verified_date":"2011-11","start_date":"2011-02","start_date_type":null,"primary_completion_date":"2012-02","primary_completion_date_type":"ESTIMATED","completion_date":"2012-02","completion_date_type":"ESTIMATED","phases":["PHASE1"],"tickers":["PFE"]}