• Daisuke Ogino, Kunihiko Takahashi, and Hajime Sato.
• Department of Health Policy and Technology Assessment, National Institute of Public Health, 2-3-6 Minami, Wako, Saitama 351-0197, Japan. hsato@niph.go.jp.
• Trials. 2014 Jan 1;15:428.

BackgroundIt is well known that information about clinical trials is not easily accessible by the public. In Japan, clinical trial information can be accessed by the general public through online registries; however, many people find these registries difficult to use. To improve current clinical trial registries, we propose that combining them with clinical information phrased in lay terms would be beneficial to other interested professionals such as journalists and clinicians, as well as the general public. Therefore, this study aimed to examine the current pattern of distribution of clinical trial information from the primary World Health Organization (WHO) registries. Based on the results of this assessment, we then aimed to build and evaluate a prototype of the Japan Primary Registries Network (JPRN) portal that would be easily accessible to patients and the public, while still remaining useful for professionals.MethodsWe assessed a total of 14 primary clinical trial registries listed on the WHO International Clinical Trials Registry Platform between January and February 2013. Website content was accessed and checked against a series of items that looked at usability, communication, design and accessibility of the sites. We excluded registries that were not active or were not on the approved WHO registry list at the time of our assessment. We also examined only the English versions of the websites as native-language registries may offer more functionality or different content than the English version of the same website.ResultsAll registries examined had a function allowing users to search the registry data and that displayed the related information from the search, including the clinical trial registration data. However, few websites were found to be user-friendly, and there was little integration with social media.ConclusionsWe confirmed that there are few websites providing useful clinical trial information to patients and their families. However, information gleaned from some of the more advanced online registries could be used to improve the content and functionality of the JPRN portal.

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