# Difference in Central Fatigue During Two Ultra-endurance Practices: Running vs. Cycling

> **NCT04511858** · NA · COMPLETED · sponsor: **Centre Hospitalier Universitaire de Saint Etienne** · enrollment: 19 (actual)

## Conditions studied

- Ultra-marathon Runners

## Interventions

- **OTHER:** maximum effort test on a cycloergometer
- **OTHER:** maximum effort test on a treadmill

## Key facts

- **NCT ID:** NCT04511858
- **Lead sponsor:** Centre Hospitalier Universitaire de Saint Etienne
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-03-05
- **Primary completion:** 2021-05-28
- **Final completion:** 2021-07-15
- **Target enrollment:** 19 (ACTUAL)
- **Last updated:** 2021-11-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04511858

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04511858, "Difference in Central Fatigue During Two Ultra-endurance Practices: Running vs. Cycling". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04511858. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*