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Does human skeletal muscle possess an epigenetic memory of testosterone

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-507815-37-00
Enrollment
40
Registered
2023-11-28
Start date
2024-08-01
Completion date
Unknown
Last updated
2025-08-14

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

Conditions

Healthy aging, Sarcopenia, Anabolic resistance, Anti-Doping

Brief summary

Mean differences in fat-free mass, muscle size, and muscle fibre types cross-sectional area (CSA) between placebo or testosterone groups +/- resistance training, measured by DEXA, ultrasound, and muscle biopsies .

Detailed description

Differences in myonuclear accretion and permanence and/or the retainment of imprinted epigenetic signatures (DNA methylation) and corresponding gene expression in skeletal muscle between placebo or testosterone groups +/- resistance training., Mean differences in strength, velocity and power between placebo and testosterone groups +/- resistance training, measured by with ultrasound, Keiser leg press machine and IMVC using isokinetic dynamometry

Interventions

DRUGNebido 1000 mg/4 ml injeksjonsvæske
DRUGoppløsning

Sponsors

Norges Idrettshoegskole
Lead SponsorOTHER

Eligibility

Sex/Gender
Male
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Mean differences in fat-free mass, muscle size, and muscle fibre types cross-sectional area (CSA) between placebo or testosterone groups +/- resistance training, measured by DEXA, ultrasound, and muscle biopsies .

Secondary

MeasureTime frame
Differences in myonuclear accretion and permanence and/or the retainment of imprinted epigenetic signatures (DNA methylation) and corresponding gene expression in skeletal muscle between placebo or testosterone groups +/- resistance training., Mean differences in strength, velocity and power between placebo and testosterone groups +/- resistance training, measured by with ultrasound, Keiser leg press machine and IMVC using isokinetic dynamometry

Countries

Norway

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026