Related Experiment Video
Updated: Jun 22, 2026
06:52
An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
Published on: May 26, 2020
IGF-I abuse in sport: current knowledge and future prospects for detection
Nishan Guha1, Peter H Sönksen, Richard I G Holt
1Endocrinology and Metabolism Sub-Division, Developmental Origins of Adult Health and Disease Division, School of Medicine, University of Southampton, Southampton SO16 6YD, UK. n.guha@soton.ac.uk
Summary
Athletes may use insulin-like growth factor-I (IGF-I) for performance enhancement as growth hormone (GH) detection improves. Research is underway to detect IGF-I doping and understand its effects.
Area of Science:
- Sports Science
- Endocrinology
- Anti-Doping Research
Background:
- Athletes may shift to insulin-like growth factor-I (IGF-I) doping as growth hormone (GH) detection methods advance.
- IGF-I possesses anabolic properties, stimulating muscle protein synthesis, glycogen storage, and lipolysis, making it a potential performance-enhancing agent.
- Commercial availability of recombinant human IGF-I (rhIGF-I) increases opportunities for illicit use by athletes.
Purpose of the Study:
- To address the challenge of detecting IGF-I abuse in sports.
- To investigate the physiological effects of rhIGF-I administration in healthy individuals.
- To develop novel anti-doping strategies targeting IGF-I.
Main Methods:
- Research into developing detection tests for IGF-I abuse by measuring markers of GH action.
- Investigation of the effects of rhIGF-I on physical fitness, body composition, and substrate utilization in healthy volunteers.
Main Results:
- The long-term effects and adverse outcomes of IGF-I administration are currently unknown but may mirror those of chronic GH abuse.
- The development of detection methods for IGF-I abuse is an ongoing challenge for anti-doping organizations.
Conclusions:
- The potential for IGF-I doping necessitates the development of effective detection strategies.
- Understanding the physiological impacts of rhIGF-I is crucial for anti-doping efforts and athlete safety.
