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Many drug trials never see publication

Results of most drug trials are unreported, inaccessible to clinicians and patients, a new study confirms

Patients asking their doctors if a new drug is right for them would do well to also ask for supporting evidence. Conclusions about drug safety and effectiveness in reports submitted to the FDA are sometimes changed to favor the drug in the medical literature, a new analysis finds. And nearly a quarter of submitted drug trials were never published at all, researchers report in the Nov. 25 PLoS Medicine.

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