SOURCE-LINKED STUDY SUMMARY
Longitudinal Changes in Competitive Performance in Elite 46,XY DSD Runners During Prolonged Testosterone Suppression.
Abstract summarizedQuality not appraised
- What was studied
- A retrospective longitudinal study examined official competitive performance during prolonged testosterone suppression in elite runners with androgen-sensitive differences of sex development.
- Who / model studied
- The study followed elite runners with type II 5α-reductase deficiency who maintained testosterone below the stated threshold after medical or surgical suppression.
- Studied dose & schedule
- Dose and schedule have not yet been extracted for this summary.
- What the study found
- Competitive performance declined during suppression, averaging 6.5% across observation and remaining about 6.0% after two years, with substantial individual variation.
- Limitations & context
- The sample was small and performance responses varied substantially between athletes.
Read summary source ↗ · Prepared 9/16/2026 · AI-assisted, source-based summary
Review record & corrections
Summary prepared: . Source scope: abstract. This is an AI-assisted source summary, not an independent clinician sign-off.
No public field-by-field revision history is available for this card yet. The date above is the summary date, not proof that every field was updated then.
Inspect the source · Correction policyResearch findings apply to the population and conditions studied. This educational summary is not a treatment recommendation or a formal assessment of study quality.
Original publication ↗ · DOI: 10.1152/japplphysiol.90031.2026