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- Thomas F Monaghan, Christina W Agudelo, Syed N Rahman, Alan J Wein, Jason M Lazar, Karel Everaert, and Roger R Dmochowski.
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
- Medicina (Kaunas). 2021 Jun 24; 57 (7).
AbstractBlinding mitigates several sources of bias which, if left unchecked, can quantitively affect study outcomes. Blinding remains under-utilized, particularly in non-pharmaceutical clinical trials, but is often highly feasible through simple measures. Although blinding is generally viewed as an effective method by which to eliminate bias, blinding does also pose some inherent limitations, and it behooves clinicians and researchers to be aware of such caveats. This article will review general principles for blinding in clinical trials, including examples of useful blinding techniques for both pharmaceutical and non-pharmaceutical trials, while also highlighting the limitations and potential consequences of blinding. Appropriate reporting on blinding in trial protocols and manuscripts, as well as future directions for blinding research, will also be discussed.
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