Dietary supplementation in patients following lumbar spine surgery: a randomized controlled trial

Dietary supplementation in patients following lumbar spine surgery: a randomized controlled trial - Dietary supplementation in patients following lumbar spine surgery

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000030881

Enrollment

Registered

2018-01-18

Start date

2018-01-18

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

lumbar spinal stenosis

Interventions

Intervention group Twice-daily ingestion of amino acids supplementation for 3 weeks after spinal surgery (100kcal, protein 10g) Postoperative rehabilitation for 3 weeks Control group Twice-daily in

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients treated with lumbar decompression surgery or spinal fusion surgery for lumbar spinal stenosis

Exclusion criteria

Exclusion criteria: More than 3 levels spinal fusion, chronic kidney disease, diabetes mellitus patients treated with insulin therapy, milk or soy allergy, BMI > 30kg/m2, cognitive impairment, a history of psychiatric illness, previous spine surgery, peripheral artery disorders

Design outcomes

Primary

Measure	Time frame
Zurich Claudication Questionnaire at 3 months after lumbar surgery	—

Secondary

Measure	Time frame
body composition, gait speed, handgrip and knee strength, albumin, Controlling Nutritional Status, Numerical Rating Scale, Japanese Orthopaedic Association Back Pain Evaluation Questionnaire, 36 item Short Form Survey	—

Countries

Japan

Contacts

Public ContactMasakazu Minetama

Spine Care Center, Wakayama Medical University Kihoku Hospital. Spine Care Center

masakazumasakazu910@hotmail.co.jp0736-22-0066

Outcome results

None listed

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