Biological Consequences of an Ultra Endurance Race

Per Effort Study of Biological Consequences of an Ultra Endurance Race (165km)

Status

UNKNOWN

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT03194022

Acronym

TRAIL-BIO

Enrollment

Registered

2017-06-21

Start date

2018-10-01

Completion date

2018-10-17

Last updated

2018-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Exertion; Excess

Brief summary

The aim is to study per and post-exertion variations of biological markers during an ultra-endurance race

Detailed description

25 healthy adult volunteers participating in the 100 miles South of France 2017© race recruited electronically by an announcement on the race website

Interventions

OTHERBlood sample

measurement of electrolytes and blood count

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

MALE

Age

18 Years to 70 Years

Healthy volunteers

Yes

Inclusion criteria

1. Age greater 18 years. 2. Subject having already completed an ultra-endurance race (distance greater than 50 kilometers) during the 24 months preceding the race. 3. Affiliation of a social security.

Exclusion criteria

1. Age lower than 18 years 2. Subjects with a medical history (pulmonary pathology, cardiac, hypertension) or having a significant chronic inflammatory disease known at the time of the inclusion visit the day before the race. 3. Female

Design outcomes

Primary

Measure	Time frame	Description
Per and post-exertion evolution of chlorine blood level	Change measures : departure, 15, 50, 65, 90, 130 and 165 kilometers then at day 1 and 2 after the completion of the race	Change of chlorine blood level during and after the race will be measured.
Per and post-exertion evolution of sodium blood level	Change measures : departure, 15, 50, 65, 90, 130 and 165 kilometers then at day 1 and 2 after the completion of the race	Change of sodium blood level during and after the race will be measured.
Per and post-exertion evolution of lactatemia	Change measures : departure, 15, 50, 65, 90, 130 and 165 kilometers then at day 1 and 2 after the completion of the race	Change of lactatemia during and after the race will be measured.
Per and post-exertion evolution of myoglobin blood level	Change measures : departure, 15, 50, 65, 90, 130 and 165 kilometers then at day 1 and 2 after the completion of the race	Change of myoglobin blood level will be measured during and after the race
Per and post-exertion evolution of creatinine phosphokinase blood level	Change measures : departure, 15, 50, 65, 90, 130 and 165 kilometers then at day 1 and 2 after the completion of the race	Change of myoglobin blood level will be measured during and after the race
Per and post-exertion evolution of glucose blood level	Change measures : departure, 15, 50, 65, 90, 130 and 165 kilometers then at day 1 and 2 after the completion of the race	Change of glucose blood level during and after the race will be measured.
Per and post-exertion evolution of potassium blood level	Change measures : departure, 15, 50, 65, 90, 130 and 165 kilometers then at day 1 and 2 after the completion of the race	Change of potassium blood level during and after the race will be measured.
Per and post-exertion evolution of calcium blood level	Change measures : departure, 15, 50, 65, 90, 130 and 165 kilometers then at day 1 and 2 after the completion of the race	Change of calcium blood level during and after the race will be measured.

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026