Table 2.
Types of trial registries and compliance with WHO criteria at the end of data collection period (February 2007).
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 | - | - | - | - | - | - | - |
X = items present when data collection begun; X = items added during study period; ‡Total criteria considering the field 'Countries of recruitment'.
MC = only for multi-centre trials; PNR = provided not reported.
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.