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Related Experiment Video

Updated: May 5, 2026

Comparative Analysis of Human Growth Hormone in Serum Using SPRi, Nano-SPRi and ELISA Assays
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Detecting growth hormone misuse in athletes.

Richard I G Holt1

  • 1Human Development and Health Academic Unit, Faculty of Medicine, University of Southampton, UK.

Indian Journal of Endocrinology and Metabolism
|November 20, 2013
PubMed
Summary

Athletes misuse human growth hormone (hGH) for performance enhancement. Detection methods now exist, measuring hGH isoforms or biomarkers like IGF-I and P-III-NP, aiding anti-doping efforts.

Keywords:
AthletesIGF-IP-III-NPclinical trialdiscriminant functiongrowth hormonemisuseperformance

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Area of Science:

  • Sports Medicine
  • Endocrinology
  • Anti-Doping Science

Background:

  • Human growth hormone (GH) misuse by athletes for anabolic and metabolic effects began in the early 1980s.
  • Debate continues on GH's performance-enhancing capabilities, though some studies indicate improved strength and sprint capacity, especially with anabolic steroids.

Purpose of the Study:

  • To review the challenges and methodologies for detecting GH misuse in athletes.
  • To highlight the approved methods for identifying GH doping.

Main Methods:

  • Detection approach 1: Measurement of pituitary GH isoforms and the 22-kDa isoform to total GH ratio.
  • Detection approach 2: Measurement of insulin-like growth factor-I (IGF-I) and N-terminal propeptide of type III procollagen (P-III-NP).

Main Results:

  • GH administration leads to dose-dependent increases in IGF-I and P-III-NP.
  • Both detection methodologies are World Anti-Doping Agency (WADA) approved.
  • These methods have successfully identified athletes misusing GH.

Conclusions:

  • Effective detection strategies for GH misuse in sports are established.
  • Biomarker analysis provides a reliable means to combat GH doping in athletics.