Effect of non-essential amino acids-enriched food on discomfort, exercise-induced morphological and functional changes in the Achilles tendon

Effect of non-essential amino acids-enriched food on discomfort, exercise-induced morphological and functional changes in the Achilles tendon - Effect of amino acids-enriched food on the Achilles tendon

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000036259

Enrollment

Registered

2022-09-01

Start date

2019-04-01

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

Healthy adult

Interventions

Amino acids Placebo

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1)Individuals who feel exercise-induced discomfort in the Achilles tendon. 2) Individuals who provided written informed consent. 3) Individuals who can exercise

Exclusion criteria

Exclusion criteria: 1) Individuals who had a surgery or local injections within 1 year 2) Individuals who received more than 200 mL of blood collection within 12 weeks 3) Individuals who have surgical and medical diseases which may interfere with the results of this study 4) Individuals who are assessed to be inappropriate by the principal investigator due to other reasons

Design outcomes

Primary

Measure	Time frame
Ultrasonograhy Elastography Visual Analogue Scale	—

Secondary

Measure	Time frame
Changes in blood parameter	—

Countries

Japan

Contacts

Public ContactYasuo Kawakami

Waseda University Faculty of Sport Sciences

ykawa@waseda.jp04-2947-6766

Outcome results

None listed

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