• Rachel Dear, Alexandra Barratt, Lisa Askie, Kevin McGeechan, Sheena Arora, Sally Crossing, David Currow, and Martin Tattersall.
• Center for Medical Psychology and Evidence Based Decision Making, The University of Sydney, Sydney, Australia. rachel.dear@sydney.edu.au
• Clin Trials. 2011 Feb 1;8(1):70-6.

BackgroundClinical trials registries are now operating in the USA, Europe, Australia, China, and India and more are planned. Trial registries could be an excellent source of information about clinical trials for patients and others affected by cancer as well as health care professionals, but may be difficult for patients to navigate and use.PurposeAn opportunity arose in Australia to develop a consumer friendly cancer clinical trials website (Australian Cancer Trials Online (ACTO), www.australiancancertrials.gov.au) using an automated data feed from two large clinical trial registries. In this article, we describe aspects of this new website, and explore ways in which such a website may add value to clinical trial data which are already collected and held by trial registries.MethodsThe development of ACTO was completed by a Web company working in close association with staff at the Australian New Zealand Clinical Trials Registry (ANZCTR), and with consumer representatives. Data for the website were sourced directly and only from clinical trial registries, thus avoiding the creation of an additional trials database. It receives an automated, daily data feed of newly registered cancer clinical trials from both the ANZCTR and Clinical Trials.gov.ResultsThe development of ACTO exemplifies the advantage of a local clinical trial registry working with consumers to provide accessible information about cancer clinical trials to meet consumers' information needs. We found that the inclusion of a lay summary added substantial value for consumers, and recommend that consideration be given to adding a lay summary to the mandatory data items collected by all trial registries. Furthermore, improved navigation, decision support tools, and consistency in data collection between clinical trial registries will also enable consumer websites to provide additional value for users.LimitationsClinical trial registration is not compulsory in Australia. If the additional cancer items (including a lay summary) are not provided by registrants of cancer trials on ANZCTR, this can compromise the quality and usefulness of the data for the end-user, in this case consumers, as they may encounter gaps in the data.ConclusionExpanding the World Health Organization Trial Registration Data Set to include this additional information, particularly the lay summary, would be valuable. A well-coordinated system of clinical trial registration is critical to the success of efforts to provide better access for all to inform about clinical trials.

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