Transparency campaigners welcome new rules for clinical trials in Europe.

The article reports on the European Parliament's vote in favor of introducing legal measures to increase the transparency of clinical trials in Europe. Topics discussed include the goal of ensuring that treatments are based on all the evidence, the registration of all trials on a publicly accessible clinical trials register, and increasing the likelihood that licensed drugs are safer and more effective. Reactions to the law by organizations such as AllTrials and Sense About Science are cited.