The effect of nutrition treatment for rectus femoris after total knee arthroplasty -randomized control trial-

The effect of nutrition treatment for rectus femoris after total knee arthroplasty -randomized control trial- - The effect of nutrition treatment for rectus femoris after total knee arthroplasty -randomized control trial-

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000034997

Enrollment

Registered

2018-11-26

Start date

2018-11-01

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

Osteoarthritis of the knee

Interventions

Two groups are assigned, and amino acids are administered to one group of patients. Essential amino acid supplementation at peri-operative period will be done. Patients take amino acids from 1 week be

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing TKA surgery due to osteoarthritis of the knee

Exclusion criteria

Exclusion criteria: A patient who has liver disease and is not suitable for amino acid administration. Patient who refused to be subject to clinical study.

Design outcomes

Primary

Measure	Time frame
The area of rectus femoris before TKA and after TKA (in 1, 2, 3, and 4 weeks after operation). This area will be measured by using ultrasonography.	—

Secondary

Measure	Time frame
walking speed, muscle strength of quadriceps, Knee society score, and patient satisfaction	—

Countries

Japan

Contacts

Public ContactHideki Ueyama

Osaka City University Graduate School of Medicine Orthopedic surgery

h.ueyama@msic.med.osaka-cu.ac.jp+81-6-6645-3851

Outcome results

None listed

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