- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07617454
Effects of Estrogen on Muscle Gain During 12-weeks of Exercise in Post-menopausal Women (HER-MUSCLE)
As females age and transition through menopause, the decline in oestrogen level profoundly affects skeletal muscle mass and function. HER-MUSCLE aims to unravel the mechanisms by which oestrogen enhances muscle growth, providing insights for targeted therapies to improve the health and physical function of postmenopausal females.
Focusing on postmenopausal females, an increasingly at-risk demographic, HER-MUSCLE addresses a critical gap in understanding how oestrogen influences muscle mass and function during anabolic (exercise) conditions.
The project involves:
- Clinical Trial: Postmenopausal females will receive either oestrogen or placebo, twelve weeks of exercise training to detect oestrogen regulatory role on muscle mass and function.
- Molecular Analysis: Advanced techniques will study the muscle microenvironment, focusing on muscle stem cells (MuSCs), fibro-adipogenic progenitors (FAPs), and other cells critical for muscle regeneration and maintenance.
- Mitochondrial Function assessed in vivo via magnetic resonance spectroscopy: The impact of oestrogen on mitochondrial health will be examined, exploring how it preserves mitochondrial function and ability to recovery and resist fatigue in response to muscle contractions.
Our preliminary data indicate that oestrogen can promote muscle protein synthesis. HER-MUSCLE aims to pave the way for novel therapeutic strategies to manage sarcopenia in postmenopausal women, ultimately leading to better health outcomes and enhanced well-being for this growing population segment.
Panoramica dello studio
Stato
Intervento / Trattamento
Descrizione dettagliata
As females age and transition through menopause, the decline in oestrogen level profoundly affects skeletal muscle mass and function. HER-MUSCLE aims to unravel the mechanisms by which oestrogen enhances muscle growth, providing insights for targeted therapies to improve the health and physical function of postmenopausal females.
Focusing on postmenopausal females, an increasingly at-risk demographic, HER-MUSCLE addresses a critical gap in understanding how oestrogen influences muscle mass and function during anabolic (exercise) conditions.
The project involves:
- Clinical Trial: Postmenopausal females will receive either oestrogen or placebo, twelve weeks of exercise training to detect oestrogen regulatory role on muscle mass and function.
- Molecular Analysis: Advanced techniques will study the muscle microenvironment, focusing on muscle stem cells (MuSCs), fibro-adipogenic progenitors (FAPs), and other cells critical for muscle regeneration and maintenance.
- Mitochondrial Function assessed in vivo via magnetic resonance spectroscopy: The impact of oestrogen on mitochondrial health will be examined, exploring how it preserves mitochondrial function and ability to recovery and resist fatigue in response to muscle contractions.
Our preliminary data indicate that oestrogen can promote muscle protein synthesis. HER-MUSCLE aims to pave the way for novel therapeutic strategies to manage sarcopenia in postmenopausal women, ultimately leading to better health outcomes and enhanced well-being for this growing population segment.
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Mette Hansen, PhD
- Numero di telefono: +4551666551
- Email: mhan@ph.au.dk
Luoghi di studio
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-
Jutland
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Aarhus, Jutland, Danimarca, 8000
- Reclutamento
- Aarhus University
-
Contatto:
- Mette Hansen, PhD
- Numero di telefono: +4551666551
- Email: mhan@ph.au.dk
-
-
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
- 1-10 years since last menstrual bleeding
- Age > 40 years old
- BMI 20-30
Exclusion Criteria:
- Follicular stimulating hormone < 30 mmol/L
- Systematic strength training during the last year (> 1 strength training session per week)
- Injuries to the legs which may prevent participation in the physical training program
- Magnetizable metals or electrical devices implanted in the body, such as a pacemaker
- Use of medication that can influence the effect of immobilization and/or training
- Muscular or joint disorders which may affect the results
- Metabolic diseases (such as diabetes and cardiovascular diseases)
- Previous or present liver or cancer disease
- Current or previous thrombosis
- Porphyria
- Epilepsia
- Systemic autoimmune disease
- Edema
- Smoking or use of other nicotine containing products
- Claustrophobia
- Addictive behavior, defined as abuse of cannabis, opioids, or other intoxicating substances.
- Lack of ability to cooperate
- Blood parameters out of normal range at the health check
- Blood pressure above 140/90 mmHg
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Scienza basilare
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Triplicare
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Sperimentale: Estrogen
Transdermal Estrogen Administration
|
The other group receive placebo treatment
Both groups will go through 12 weeks of supervised physical exercise, consisting of both strength training and cardiovascular training
|
|
Comparatore placebo: Placebo
Transdermal placebo administration
|
Both groups will go through 12 weeks of supervised physical exercise, consisting of both strength training and cardiovascular training
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Muscle mass
Lasso di tempo: 12 weeks
|
Magnetic resonance imaging of one leg before and after intervention
|
12 weeks
|
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Pressione sanguigna
Lasso di tempo: 12 settimane
|
12 settimane
|
|
|
Mitochondria Function in vivo measured as phosphocreatine recovery rate
Lasso di tempo: 12 weeks
|
The dominant foot will be attached to a pedal mounted on the patient bed and a dedicated 31P surface coil will be secured over the tibialis anterior muscle.
The pedal is designed to allow dynamic contractions of the tibialis anterior muscle while changes in metabolites from the tibialis anterior muscle are acquired non-invasively with the 31P coil.
Two protocols will be performed: Firstly, 10 repeated contractions (one per 3 sec with a load representing 30% of maximal force) will result in a depletion (30-40%) of phosphocreatine (PCr).
The rate constant for PCr recovery over 10 min will be used as an index of in vivo mitochondrial function.
Secondly, a total of 80 repeated contractions (one per 3 sec with a load representing 30% of maximal force) will be used to quantify muscle fatigue and concurrent changes in muscle metabolites and intracellular pH (based on the chemical shift between inorganic phosphate and PCr).
|
12 weeks
|
|
Mitochondria Function in vitro measured as maximal oxygen consumption
Lasso di tempo: 12 weeks
|
All measurements were performed in duplicate using an Oxygraph-2k (Oroboros, Austria), in hyperoxygenated chambers (250-450 nmol O₂/mL). Respiratory Control Ratio was used to evaluate mitochondrial efficiency. It was calculated as the ratio of maximal ADP-supported respiration (with complex I + II substrates) to leak respiration. Leak respiration reflects oxygen consumption in the absence of ATP synthesis, when only substrates are present and no ADP is added. |
12 weeks
|
|
Body composition
Lasso di tempo: 12 weeks
|
DXA
|
12 weeks
|
|
Satelitte cells
Lasso di tempo: 12 weeks
|
Histochemical Analysis of Muscle tisse
|
12 weeks
|
|
Muscle fiber cross-sectional Area
Lasso di tempo: 12 weeks
|
Histochemical Analysis of Muscle Tissue
|
12 weeks
|
|
Expression of Muscle proteins
Lasso di tempo: 12 weeks
|
Western blotting analysis
|
12 weeks
|
|
FACS Analysis
Lasso di tempo: 12 weeks
|
FACS analysis to quantify and isolate Muscle satelitte celss, fibro-adipogenic progenitors and macrofages
|
12 weeks
|
|
Muscle Strength
Lasso di tempo: 12 weeks
|
Includes measure of leg strength during isometric and dynamic maximal voluntary contractions in a dynamometer (Humac Norm, CSMi, Massachusetts, United States) with a hip angle of 90°.
In addition, finger strength, hand grip strength
|
12 weeks
|
|
Functional test
Lasso di tempo: 12 weeks
|
Includes counter-movement jump on a speed force-platform (Swift performance, Australia).
To measure dexterity, the nine-hole peg test will be applied.
|
12 weeks
|
|
Cardiovascular fitness
Lasso di tempo: 12 weeks
|
Vo2max test on a bike and estimated via Ventriject
|
12 weeks
|
|
Maximal fat oxidation rate
Lasso di tempo: 12 weeks
|
Bike test with increasing intensity steps
|
12 weeks
|
|
Resisting metabolic rate
Lasso di tempo: 12 weeks
|
12 weeks
|
|
|
Questionaires
Lasso di tempo: 12 weeks
|
The participant will be asked to fill out recognized questionnaires about menopause (Menopause Rating Scale), sleep, diet and training readiness (modified version of "The wellbeing review"
|
12 weeks
|
|
Physical Activity Level
Lasso di tempo: 12 weeks
|
Accelerometers
|
12 weeks
|
|
Flexibility
Lasso di tempo: 12 weeks
|
sit-and-reach test
|
12 weeks
|
|
Knee laxity
Lasso di tempo: 12 weeks
|
Lachmeter test
|
12 weeks
|
|
Protein expression in adipose tissue
Lasso di tempo: 12 weeks
|
Two adipose tissue biopsies will be obtained from each participant by a trained physician before and after 12 weeks from subcutaneous abdominal and gluteal regions.
Western blotting analysis of expression of proteins related to lipolysis and lipogenesis
|
12 weeks
|
|
Blood volume
Lasso di tempo: 12 weeks
|
Determination of blood volume and haemoglobin mass by the carbon-monoxide rebreathing method
|
12 weeks
|
Altre misure di risultato
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Altezza
Lasso di tempo: 12 settimane
|
12 settimane
|
|
|
Blood analysis
Lasso di tempo: 12 weeks
|
estradiol testosteron SHBG progesteron FSH LH Insulin IGF-1 + IGF-1 Bp3 - metabolit LDL - lipid HDL - lipid Triglycerid - lipid Total cholesterol Kortisol P1NP CTX1 - knogle HbA1c PTH CRP p-kreatinase p-kreatinin+eGFR p-calcium p-alanintransaminase p-albumin Alkalisk fosfatase (ALP) 6-keto-PGF1a Endothelin-1 s-VCAM-1 s-ICAM-1 Glucose Hæmoglobin Hæmatokrit
|
12 weeks
|
|
Dairy record registration
Lasso di tempo: 12 weeks
|
Before the intervention and during during rehabilization
|
12 weeks
|
|
Body mass
Lasso di tempo: 12 weeks
|
12 weeks
|
Collaboratori e investigatori
Sponsor
Investigatori
- Investigatore principale: Mette Hansen, PhD, Aarhus University, Department of Public Health
Pubblicazioni e link utili
Collegamenti utili
Studiare le date dei record
Studia le date principali
Inizio studio (Effettivo)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
- Comportamento
- Attività motoria
- Ormoni
- Ormoni, sostituti ormonali e antagonisti ormonali
- Attività motoria
- Movimento
- Fenomeni fisiologici muscoloscheletrici
- Fenomeni fisiologici muscoloscheletrici e neurali
- Composti policiclici
- Steroidi
- Composti anelli fusi
- Estrene
- Estrane
- Congeneri di estradiolo
- Ormoni steroidi gonadali
- Ormoni gonadali
- Estradiolo
- Esercizio
Altri numeri di identificazione dello studio
- E30 HER-MUSCLE Intervention
Piano per i dati dei singoli partecipanti (IPD)
Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?
Descrizione del piano IPD
Informazioni su farmaci e dispositivi, documenti di studio
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Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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