Launched in May 2006 and devoted to publishing the results of all correctly conducted and reported clinical trials irrespective of outcome, PLOS Clinical Trials was merged in August 2007 with PLOS ONE. All published PLOS Clinical Trials articles are included in the collection and remain archived in PubMed Central and indexed by PubMed. PLOS Clinical Trials is closed to new submissions; authors are encouraged to submit their work to other PLOS journals for which their paper is in scope, in partic