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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: Jun 3, 2026

Regenerative Peripheral Nerve Interface: Surgical Protocol for a Randomized Controlled Trial in Postamputation Pain

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Randomized-controlled trials for surgical implants: are registries an alternative?

Markus Melloh¹, Christoph Röder, Lukas P Staub

¹Department of Orthopedic Surgery, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand. markus.melloh@otago.ac.nz

|March 18, 2011

Summary

No abstract available in PubMed .

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