Impact of physicians' participation in non-interventional post-marketing studies on their prescription habits: A retrospective 2-armed cohort study in Germany.
Cora KochJörn SchleeffFranka TechenDaniel WollschlägerGisela SchottRalf KölbelKlaus LiebPublished in: PLoS medicine (2020)
Physicians participating in NIPMSs prescribe more of the investigated drug than matching controls. This result calls the alleged non-interventional character of NIPMSs into question and should lead to stricter regulation of NIPMSs.