Trials Registration: A New Era in Thailand
Kittisak Kulvichit MD*, Wasee Tulvatana MD*,
Bandit Thinkhamrop PhD**, Pyatat Tatsanavivat MD***
Affiliation :
* Department of Ophthalmology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
** Department of Biostatistics and Demography, Faculty of Public Health, Khon Kaen University, Khon Kaen, Thailand
*** Department of Internal Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
Registration of clinical trials or research can result in many benefits. Patients have access to pertinent information.
We have a better and more indicative picture of research status in areas where registration is mandatory. Researchers can
use the information to form a common interest group and collaborate their research as well as to avoid unnecessary
duplication. Registered information can also enable detection of defective design and can lead to improvements of trial
protocol or its implementation. Most importantly, it can help to reduce problems of publication bias and selective reporting.
Journals do not like to publish negative or inconclusive results. Pharmaceutical companies are reluctant to report results
that may jeopardize their revenue. We need absolute transparency to utilize evidence with trust.
Keywords : Trials registration, Primary registry, TCTR
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