Growth of skeletal muscle in response to feeding different amounts of protein

Response of myofibrillar muscle protein synthesis to increasing doses of whey protein at rest and following exercise subsequent to a meal in resistance trained males

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN92528122

Enrollment

Registered

2012-10-01

Start date

2008-01-01

Completion date

Unknown

Last updated

2016-10-17

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

Conditions

Metabolic health of muscle / sarcopenia (age-related muscle loss) Musculoskeletal Diseases Muscle wasting and atrophy, not elsewhere classified

Interventions

Each participant was randomly assigned to one of four groups. Each participant ingested one of four doses (0, 10, 20 or 40g) of whey protein after the exercise.

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1. Male, aged 18-35 years 2. Healthy (no known metabolic disorder) 3. Experienced weight lifter for more than 6 months (at least 2 leg resistance training sessions per week)

Exclusion criteria

Exclusion criteria: Not simultaneously taking part in another scientific / clinical study

Design outcomes

Primary

Measure	Time frame
Myofibrillar (contractile proteins) muscle protein synthesis	—

Secondary

Measure	Time frame
Amino acid concentrations	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 22, 2026