Status:

RECRUITING

Does Human Skeletal Muscle Possess an Epigenetic Memory of Testosterone?

Lead Sponsor:

Norwegian School of Sport Sciences

Collaborating Sponsors:

Oslo University Hospital

Conditions:

Healthy Aging

Age-Related Sarcopenia

Eligibility:

MALE

55-70 years

Phase:

PHASE2

PHASE3

Brief Summary

This project's primary aim of this double-blinded, randomised, placebo-controlled trial is to investigate whether short-term testosterone administration +/- resistance exercise training induces a musc...

Eligibility Criteria

Inclusion

  • Sedentary males
  • 55-70 years old
  • Serum testosterone levels \>8 nmol/L measured in the morning
  • Without any known illness, disease or other conditions
  • Undergone screening through medical questionnaire, physical examination, routine blood tests and urine sample
  • Written informed consent received

Exclusion

  • Current or previous participation in a formal exercise regime
  • A BMI \< 18 or \> 30 kg·m2
  • Hypersensitivity to the study drug or to any of its constituents
  • Active cardiovascular disease: uncontrolled hypertension (BP \> 160/100 mmHg), angina, heart failure (class III/IV), arrhythmia, right to left cardiac shunt, recent cardiac event
  • Family history of early (\<55y) death from cardiovascular disease
  • Haematocrit \>50%
  • Malignancy
  • Prostate-specific antigen (PSA) \>4 ng/mL
  • Lower urinary tract symptoms
  • Taking beta-adrenergic blocking agents, statins, non-steroidal anti-inflammatory drugs
  • Cerebrovascular disease: previous stroke, aneurysm (large vessel or intracranial), epilepsy
  • Respiratory diseases including: pulmonary hypertension, chronic obstructive pulmanary disease (COPD), asthma, sleep apnoea
  • Metabolic disease: hyper and hypo parathyroidism, untreated hyper and hypothyroidism, Cushing's disease, type 1 or 2 diabetes
  • Active inflammatory bowel or renal disease
  • Current or previous steroid treatment or hormone replacement therapy
  • Clotting dysfunction
  • Musculoskeletal or neurological disorders
  • Alcohol or drug abuse
  • Receiving oral anticoagulants
  • Serum testosterone levels above the reference range for 50 year olds (\>32 nmol/L) (Bjerner et al., 2009) measured in the morning 1

Key Trial Info

Start Date :

September 1 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 30 2025

Estimated Enrollment :

40 Patients enrolled

Trial Details

Trial ID

NCT05964920

Start Date

September 1 2024

End Date

September 30 2025

Last Update

October 15 2024

Active Locations (1)

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1

Norwegian School of Sport Sciences

Oslo, Norway, 0863