HealthDay News — Results of clinical trials are not being reported to in a timely manner, according to an article published in the New England Journal of Medicine.

Monique Anderson, MD, a cardiologist at the Duke University School of Medicine in Durham, N.C., and colleagues conducted an analysis of 13,327 clinical trials that were considered highly likely to be subject to the U.S. Food and Drug Administration Amendments Act provisions. Among the trials in the analysis, 84.8% were designed to investigate a new treatment, and two-thirds (65.6%) of the trials were funded by private industry.

The one-year reporting rate for industry-sponsored trials was 17%, the findings showed. Within five years, results had been posted for 41.5% of industry-funded trials. By comparison, the one-year reporting rate was 8.1% for clinical trials funded by the U.S. National Institutes of Health (NIH), and 5.7% for trials funded by academic institutions or other government agencies. At five years, 38.9% of NIH-funded trials and 27.7% of academic/non-NIH-funded trials had reported results.

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The reporting requirements for do allow researchers to delay submitting their data if they want to market a new drug or device and are awaiting approval from the U.S. Food and Drug Administration, Anderson told HealthDay. Taking that into account, the researchers found that about 80% of industry-funded trials either met the reporting requirements or had a legally acceptable reason for delay. 

“We found that industry is really legally doing their job,” Anderson said. But NIH-funded and academic trials continued to lag, even with this caveat. Only half of the NIH-funded trials and 45% of academic trials either met requirements or had a legally acceptable reason for delay, the researchers found.


  1. Anderson ML et al. N Engl J Med. 2015; doi:10.1056/NEJMsa1409364.