{"nct_id":"NCT00038532","title":"Amprenavir/Ritonavir, Saquinavir/Ritonavir or Efavirenz in HIV-Infected Subjects Following Failure With Kaletra (ABT-378/Ritonavir) as Their First Protease Inhibitor Based HAART","status":"COMPLETED","status_verified_date":"2006-07","start_date":"2001-04","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":null,"completion_date_type":null,"phases":["PHASE2"],"tickers":["ABT"]}