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Clinical Trials: Overview

Clinical Trials: Overview

Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...

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Related Experiment Video

Updated: Mar 20, 2026

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke

Published on: June 6, 2025

IST-3 stroke trial data available

Peter Sandercock¹, Joanna Wardlaw¹, Richard Lindley²

¹Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, EH16 4SB, UK.

Lancet (London, England)

|May 21, 2016

Summary

No abstract available in PubMed .

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