login

Likelihood of Null Effects of Large NHLBI Clinical Trials Has Increased over Time

PLoS ONEPublished 5 August 2015Open access
Robert M. Kaplan, Veronica L. Irvin
Citations372
SJR quartileQ1
SJR score0.80
SNIP1.07
View PDF

TL;DR

The number NHLBI trials reporting positive results declined after the year 2000, and the adoption of transparent reporting standards, as required by clinicaltrials.gov, may have contributed to the trend toward null findings.

Abstract

The number NHLBI trials reporting positive results declined after the year 2000. Prospective declaration of outcomes in RCTs, and the adoption of transparent reporting standards, as required by clinicaltrials.gov, may have contributed to the trend toward null findings.

Keywords

Decision SciencesMathematicsEconomics, Econometrics and Finance