A study to investigate the effects of resistance training combined with supplementation of functional food ingredient on skeletal muscle size and strength in young male: a randomized, double-blind, placebo controlled, parallel-group comparative study.

A study to investigate the effects of resistance training combined with supplementation of functional food ingredient on skeletal muscle size and strength in young male: a randomized, double-blind, placebo controlled, parallel-group comparative study. - A study to investigate the effects of resistance training combined with supplementation of functional food ingredient on skeletal muscle size and strength in young male: a randomized, double-blind, placebo controlled, parallel-group comparative study.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000055477

Enrollment

Registered

2025-04-01

Start date

2024-09-11

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Healthy adults

Interventions

Intake of test food containing lemon myrtle extract for 8 weeks and mild-intensity resistance training for 8 weeks. Intake of placebo food not containing lemon myrtle extract for 8 weeks and mild-inte

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Subjects who are over 18 years old and healthy males.

Exclusion criteria

Exclusion criteria: Subjects who are prohibited from exercising by a doctor. Subjects who take supplements ,functional foods or medicines in order to improve of muscle. Subjects who regularly undertake resistance training.

Design outcomes

Primary

Measure	Time frame
Actual measurement values at end measuremnt point (8 weeks after intervention; 8w) in muscle thickness	—

Secondary

Measure	Time frame
1) Actual measurement values at middle measurement point (4weeks after intervention; 4w) in muscle thickness 2) Amount of change and rate of change at 4w and 8w from baseline (before intervention; 0w) in maximum skeletal muscle strength	—

Countries

Japan

Contacts

Public ContactShuichi Machida

Juntendo University Graduate School of Health and Sports Science

machidas@juntendo.ac.jp0476-98-1001

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026