Intended for healthcare professionals


Juul: less than half of e-cigarette trial outcomes were properly reported or declared, study finds

BMJ 2021; 373 doi: (Published 14 June 2021) Cite this as: BMJ 2021;373:n1522
  1. Elisabeth Mahase
  1. The BMJ

Researchers have called for clearer reporting requirements and better enforcement of reporting laws to ensure that tobacco companies are being transparent with data, after a review of clinical trials sponsored by US electronic cigarette company Juul found results were not being published correctly.1

The researchers compared the reporting of clinical trials against the accepted standards and found that just 28 of 61 (46%) prespecified outcomes across five trials identified were reported or properly declared.

“Our findings raise substantial concerns regarding these trials,” the paper, published in Tobacco Control, said. “Clinicians, public health professionals, and the public cannot make informed choices about the benefits or hazards of e-cigarettes if the results of clinical trials are not completely and transparently reported. Clarification and potential enforcement of reporting laws may be required.”

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