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

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PDQ, US National Cancer Institute; STD, Stroke Trials Directory; RT, Rehabilitation Trials (^† access to web site withdrawn in 2006); R, Roche; GSK, GlaxoSmithKline; N, Novartis; CSR, ClinicalStudyResults.

ISSN: 1745-6215