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Table 2 Types of trial registries and compliance with WHO criteria at the end of data collection period (February 2007).

From: Compliance of clinical trial registries with the World Health Organization minimum data set: a survey

  Registries
  International National Specialty Pharma Local Total out of 11 registries (excluding locals)
Criteria requested ISCRTN CT ACTR UK NRR PDQ STD RT R GSK N CSR   
Details not presented by registries             x  
Details available              
   Unique trial number x x x x x x   x   x x   9
   Trial registration date x x x      x      4
   Secondary Ids x x x x x       x   6
   Funding source(s) x x x x x x x   x x x   10
   Primary sponsor x x x x x   x x    x   8
   Secondary sponsor(s) x x x x     X    x   6
   Responsible contact person x x x    PNR   x      5
   Research contact person x x x x x x x     x   8
   Title of the study (brief title) x x x   x x   x   x x   8
   Official scientific title of the study x x x x x x x x x   x   10
   Research ethics review* x PNR x MC PNR         4
   Countries of recruitment (replaced ethics review, May 2006)* x x x x x    x      6
   Condition x x x x x x   x x x x   10
   Intervention(s) x x x   x x   x x x x   9
   Key inclusion and exclusion criteria x x x   x x   x x   x   8
   Study type x x x x   x   x x x    8
   Anticipated trial start date x x x x x x   x x   x   9
   Target sample size x x x   x x    x   x   7
   Recruitment status x x x   x x x x      7
   Primary outcome x x x x x x   x x   x   9
   Key secondary outcomes x x x x   x   x x     7
Total out of 20 criteria 20 20 20 13 16 14 5 16 10 6 14   
   Mentions WHO 2005/2006 x x x x - x - - - - -   
   Mentions ICJME 2004/2005 x x x x - - - - - - -   
  1. X = items present when data collection begun; X = items added during study period; Total criteria considering the field 'Countries of recruitment'.
  2. MC = only for multi-centre trials; PNR = provided not reported.
  3. Abbreviation: ISRCTN, Current Controlled Trials; CT, ClinicalTrials.gov; ACTR, Australian Clinical Trials Registry; UK NRR, UK National Research Register; PDQ, US National Cancer Institute; STD, Stroke Trials Directory; RT, Rehabilitation Trials ( access to web site withdrawn in 2006); R, Roche; GSK, GlaxoSmithKline; N, Novartis; CSR, ClinicalStudyResults.