Research guide
National Institutes of Health. Understanding Clinical Studies. Reviewed June 26, 2025. ↗Explains observational studies, randomized trials, and what different designs can answer.
Explore the sources
The sources behind our stories: definitions, guides, and studies. Each entry explains what kind of evidence you are reading.
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Research guide
National Institutes of Health. Understanding Clinical Studies. Reviewed June 26, 2025. ↗Explains observational studies, randomized trials, and what different designs can answer.
Systematic review
Vasireddi N, et al. Emerging Use of BPC-157 in Orthopaedic Sports Medicine: A Systematic Review. HSS J. 2025;21(4):485–495. ↗A review of 36 studies, predominantly preclinical, identifying limited clinical and safety evidence.
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