- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT07559344
Effects of Hot Baths Prior or After a Damaging Protocol on Muscle Function and HSP70 Expression (Prehotemp)
Muscle lengthening contractions lead to physiological responses such as strength loss, soreness, immune cell infiltration, and CK production, along with elevated heat shock proteins (HSPs), which protect and regenerate cells. Passive heating before or after exercise can aid in recovery by restoring strength and reducing soreness, requiring a core temperature of over 38.5°C for 20 minutes to be effective. Studies show that combined mechanical and thermal stress induces a cumulative HSP response, enhancing cellular protection. Thermal stress alone peaks at 16- 24 hours, whereas mechanical stress shows a biphasic response, with peaks at 3-6 hours and around 39 hours. Thus, combining heat with exercise could optimize HSP production, improving recovery by increasing and accelerating the HSP response. However, more research is needed to determine the best timing for thermal stress in human applications, especially in sports and therapy contexts.
This study aimed to compare the effects of hot-water immersion administered before versus after muscle-lengthening exercise on muscle function and HSP70 expression in healthy young athletes.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Anslået)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiekontakt
- Navn: Yannis Hamidou, MD
- Telefonnummer: 33+3 22 66 82 48
- E-mail: Hamidou.yannis@chu-amiens.fr
Studiesteder
-
-
-
Amiens, Frankrig, 80054
- Rekruttering
- CHRU Amiens
-
Kontakt:
- Yannis Hamidou, MD
- Telefonnummer: 33+3 22 66 82 48
- E-mail: Hamidou.yannis@chu-amiens.fr
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Sex: Healthy, athletic men practicing track and field (10 to 12 hours/week)
- Age: 19 to 25 years old
- Social security coverage
- Signed informed consent
Exclusion Criteria:
- Age over 26 years
- Low level of physical activity (less than 8 hours per week)
- Recent sprain (type 1, 2, or 3) or ligament rupture in the lower limb (within the last 8 months)
- Exposure to an altitude of 2500m within 15 days prior to the protocol
- Presence of arterial hypotension:
- Systolic blood pressure below 90 mmHg
- Diastolic blood pressure below 60 mmHg
- A drop in systolic blood pressure greater than 20 mmHg upon moving from a lying to a standing position.
- A drop in diastolic blood pressure greater than 10 mmHg upon moving from a lying to a standing position.
- Presence of dizziness, lightheadedness, or blurred vision upon moving from a lying to a standing position.
- Participant under guardianship/conservatorship or deprived of liberty.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Andet
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Enkelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Eksperimentel: 41 pre-EIMD
hot-water immersion at 41°C performed 24 hours before EIMD (pre-EIMD)
|
Immersion lasted 40 minutes with the goal of reaching a core temperature of 38.5°C in the heat-stress groups
NIRS
isokinetic dynamometer
pressure algometer
Hokanson armband
|
|
Eksperimentel: 41 post-EIMD
hot- water immersion at 41°C immediately after EIMD (post-EIMD)
|
Immersion lasted 40 minutes with the goal of reaching a core temperature of 38.5°C in the heat-stress groups
NIRS
isokinetic dynamometer
pressure algometer
Hokanson armband
|
|
Sham-komparator: 36°C post- EIMD
sham immersion at 36°C post- EIMD
|
Immersion lasted 40 minutes with the goal of reaching a core temperature of 38.5°C in the heat-stress groups
NIRS
isokinetic dynamometer
pressure algometer
Hokanson armband
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
HSP 70 concentration
Tidsramme: 1 year
|
HSP 70 concentration in third groups
|
1 year
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
gastro-intestinal temperature
Tidsramme: 1 year
|
1 year
|
|
muscle temperature
Tidsramme: 1 year
|
1 year
|
Samarbejdspartnere og efterforskere
Samarbejdspartnere
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Anslået)
Studieafslutning (Anslået)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- PI2025_843_0182
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .
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