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Clinical trials often fall short: U.S. study

WASHINGTON — Most clinical trials for cancer, heart disease and mental health are too small to offer adequate medical evidence, said a review of the US database of such studies released on Tuesday. The analysis in the Journal of the American Medical Association was led by experts at Duke University…

Scientists say unreported drug data a health hazard

LONDON (Reuters) – Unreported data from early trials of experimental medicines in humans can result in harm to future patients and needless costs for health systems, according to scientists writing in the British Medical Journal on Wednesday. In a series of studies for the BMJ on the extent to which…