NCT06658821

Brief Summary

This project is to conduct a clinical trial of SYNBIO TECH INC.'s LDL557 capsule for joint protection. To understand the improvement of joint discomfort and inflammation after supplementation, we hope to provide an updated choice for modern people's joint protection.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P50-P75 for not_applicable

Timeline
2mo left

Started Feb 2025

Geographic Reach
1 country

1 active site

Status
enrolling by invitation

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress89%
Feb 2025Jun 2026

First Submitted

Initial submission to the registry

October 17, 2024

Completed
9 days until next milestone

First Posted

Study publicly available on registry

October 26, 2024

Completed
4 months until next milestone

Study Start

First participant enrolled

February 27, 2025

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2026

Last Updated

September 30, 2025

Status Verified

September 1, 2025

Enrollment Period

1.3 years

First QC Date

October 17, 2024

Last Update Submit

September 24, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • WOMAC

    The Western Ontario and McMaster Universities Arthritis Index (WOMAC) is widely used in the evaluation of Hip and Knee Osteoarthritis. Higher scores indicate worse pain, stiffness, and functional limitations. The WOMAC measures five items for pain (score range 0-20), two for stiffness (score range 0-8), and 17 for functional limitation (score range 0-68).

    Baseline, Week 4, Week 8, and Week 12

Secondary Outcomes (11)

  • KOOS

    Baseline, Week 4, Week 8, and Week 12

  • Lequesne's index

    Baseline, Week 4, Week 8, and Week 12

  • VAS

    Baseline, Week 4, Week 8, and Week 12

  • Quality of life (QOL) SF-36

    Baseline, Week 4, Week 8, and Week 12

  • Kellgren-Lawrence Grade

    Baseline and Week 12

  • +6 more secondary outcomes

Study Arms (2)

LDL557-HK capsule

EXPERIMENTAL

Subjects will take one capsule of the experimental group(LDL557-HK capsule) within 30 minutes before lunch during the experimental period.

Dietary Supplement: LDL557-HK capsule

Placebo capsule

PLACEBO COMPARATOR

Subjects will take one placebo capsule within 30 minutes before lunch during the experimental period.

Dietary Supplement: Placebo Capsule

Interventions

LDL557-HK capsuleDIETARY_SUPPLEMENT

Subjects will take once a day during the experimental period. one LDL557-HK capsule(Heat-killed Lactobacillus delbrueckii subsp. lactis LDL557 1x10\^10cell) within 30 minutes before lunch.

LDL557-HK capsule
Placebo CapsuleDIETARY_SUPPLEMENT

Subjects will take once a day during the experimental period. one placebo capsule within 30 minutes before lunch.

Placebo capsule

Eligibility Criteria

Age45 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • BMI 18-40 kg/m2;
  • Those with early stage degenerative arthritis symptoms judged by X-ray to be Kellgren-Lawrence Grading Scale level 1 or 2, and the physician determines that long-term treatment is not needed or WOMAC score\>2.0 or WOMAC total scale score\>12 or VAS score ≦6.

You may not qualify if:

  • Smoking
  • alcoholism
  • diabetes
  • breastfeeding women and pregnant women.
  • Those consuming dietary supplements were excluded.
  • Those who use non-steroidal anti-inflammatory analgesics and those who have had joint surgery.
  • Rheumatoid arthritis.
  • Those who have had joint injections within 6 months.
  • Those with cardiovascular and cerebrovascular, rheumatoid or mental diseases.
  • Patients undergoing cancer treatment.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Chung Shan Medical University

Taichung, Taiwan

Location

MeSH Terms

Conditions

ArthritisArthralgia

Condition Hierarchy (Ancestors)

Joint DiseasesMusculoskeletal DiseasesPainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
HEALTH SERVICES RESEARCH
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 17, 2024

First Posted

October 26, 2024

Study Start

February 27, 2025

Primary Completion (Estimated)

June 30, 2026

Study Completion (Estimated)

June 30, 2026

Last Updated

September 30, 2025

Record last verified: 2025-09

Locations