Clinical studies (registration, methodology, etc.)

Books

Friedman LM, Furberg CD, DeMets DL. Fundamentals of clinical trials. 3. ed. - New York ; Heidelberg: Springer, 1998. ISBN 0-387-98586-7

Articles

De Angelis C, Drazen JM, Frizelle FA, Haug C, Hoey J, Horton R, et al. Clinical trial registration: a statement from the International Committee of Medical Journal Editors. Ann Intern Med. 2004;141:477-8. Epub 2004 Sep 8.

Grimes DA, Schulz KF. An overview of clinical research: the lay of the land. The Lancet 2002; 359(9300):57-61

Is This Clinical Trial Fully Registered? A Statement from the International Committee of Medical Journal Editors. May 2005 Update on Trials Registration in ICMJE.

Kitto S, Villanueva EV, Chesters J, Petrovic A, Waxman BP, Smith JA. Surgeons' Attitudes towards and Usage of Evidence-based Medicine in Surgical Practice: a Pilot Study. ANZ J Surg 2007; 77:231-36

Mathieu S, Boutron S; Moher D et al. Comparison of Registered and Published Primary Outcomes in Randomized Controlled Trials. JAMA. 2009;302(9):977-984 (doi:10.1001/jama.2009.1242)

Moreno SG et al. Novel methods to deal with publication biases: secondary analysis of antidepressant trials in the FDA trial registry database and related journal publications. BMJ. 2009;339:b2981, doi:10.1136/bmj.b2981

Pildal J, Hrobjartsson A, Jorgensen KJ, Hilden J, Altman DG, Gotzsche GC. Impact of allocation concealment on conclusions drawn from meta-analyses of randomized trials. Int J Epidemiol. 2007;36:847-57

Reed DA, Cook DA, Beckman TJ, Levine RB, Kern DE, Wright SM. Association Between Funding and Quality of Published Medical Education Research. JAMA. 2007;298(9):1002-9

Organisations & resources

ANZCTR: Australian New Zealand Clinical Trials Registry
CIHR: Canadian Institutes of Health Research: Registration of RCTs
CancerIndex: Cancer Clinical Trials
centerwatch (Clinical Trials Listing Service)
clinicaltrials.gov (Clinical Trials der US Medical Library of Medicine)
Cochrane Renal Group Prospective Trials Registration
CRD-Liste:Forschungsregister Centre for Reviews and Dissemination
CCT: Current Controlled Trials (International Standard Randomised Controlled Trial Number Registry)
Deutsches Register für Klinische Studien (DRKS)
eudraCT ( European Clinical Trials Database)
European Science Foundation (press release)
ICMJE: International Committee of Medical Journal Editors (statement)
ICTRP (WHO International Clinical Trials Registry Platform)
US National Cancer Institute