The AllTrials campaign was launched in January 2013 and calls for all past and present clinical trials to be registered and their results reported. It is an initiative All_Trials_logo copyof Ben GoldacreBMJCentre for Evidence-based MedicineCochrane CollaborationJames Lind InitiativePLOS and Sense About Science and is being led in the US by Sense About Science USADartmouth’s Geisel School of Medicine and the Dartmouth Institute for Health Policy & Clinical Practice. Since then, the AllTrials petition has been signed by 86814 people and 627 organisations.
You can read our detailed plan on how all clinical trials can be registered and all results reported as a PDF or online.
The results of around half of all clinical trials have never been published. Failing to publish results means the people who make decisions about medicines don’t have full information about the benefits and risks of treatments we use every day.
Use The Economist’s publication bias simulator to run clinical trials yourself, decide which trials to publish, and see how much your decision to withhold results skews the medical evidence.

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