Effects of collagen tripeptide supplementation combined with resistance training on Achilles tendon and calf muscle properties

Effects of collagen tripeptide supplementation combined with resistance training on morphological and functional properties of the Achilles tendon and triceps surae - COL-RT Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000061080

Enrollment

Registered

2026-03-30

Start date

2025-01-01

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

Achilles tendinopathy

Interventions

Collagen tripeptide supplementation Participants will ingest collagen tripeptide (product name: HACP-BV50) orally once daily at a dose of 2 g (one packet) for a period of 14 weeks. Each packet (

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Healthy young males with no regular exercise habits, a body mass index (BMI) between 18.5 and 25.0

Exclusion criteria

Exclusion criteria: history of lower extremity musculoskeletal injuries

Design outcomes

Primary

Measure	Time frame
Tendon stiffness, tendon volume, tendon cross-sectional area, muscle volume, and muscle cross-sectional area	—

Countries

Japan

Contacts

Public Contactshogo okamura

Nippon Sport Science University graduate school

25sda06@nittai.ac.jp08027199390

Outcome results

None listed

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