Figure 2From: Review of the registration of clinical trials in UMIN-CTR from 2 June 2005 to 1 June 2010 - focus on Japan domestic, academic clinical trials Registration trend of clinical trials in UMIN-CTR. The total registration number from 2 June 2005 to 1 June 2010 is 2,779. Factor 1: ICMJE announcement about clinical trial registration (September 2005) [9]. Factor 2: New 5-Year Clinical Trial Activation Plan (March 2007) [34]. Factor 3: Requirement for application for Health and Labour Sciences Research Grants (April 2007) [25]. Factor 4: Revised ICMJE announcement about clinical trial registration (July 2008) [33]. Factor 5: Formation of JPRN as an ICTRP Primary Registry (October 2008) [17]. Factor 6: Ethical Guidelines for Clinical Research (April 2009) [26]. ICMJE, International Committee of Medical Journal Editors; ICTRP, International Clinical Trials Registry Platform; JPRN, Japan Primary Registries Network; UMIN-CTR, University Hospital Medical Information Network Clinical Trials Registry.Back to article page