Related Experiment Video
Updated: Aug 20, 2025

08:53
Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke
Published on: June 6, 2025
533
Deferral of Consent in Randomized Clinical Trials of Acute Stroke: Ethical, Methodologic, and Practical Challenges
Diederik W J Dippel1, Steven J Warach2
1From the Department of Neurology (D.W.J.D.), Erasmus University Medical Center Rotterdam, the Netherlands; and Department of Neurology (S.J.W.), Dell Medical School, The University of Texas at Austin. d.dippel@erasmusmc.nl.
Neurology
|November 22, 2022
Abstract
No abstract available in PubMed .
Related Concept Videos
Ethics in Research
23.2K
Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.
23.2K
Blinding
2.5K
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
2.5K
Ethical Dilemmas II
1.3K
Resolving an ethical dilemma in healthcare involves a systematic approach that considers every aspect of the issue, respecting both the patient's needs and values and the healthcare professional's ethical obligations. Here are potential steps to resolve an ethical dilemma:
1.3K

