Effects of Dietary Supplement on Osteoarthritis
Effects of Arginine on Osteoarthritis: A Pilot Clinical Trial
1 other identifier
interventional
38
1 country
1
Brief Summary
This study evaluates the effects arginine on osteoarthritis (OA) in adults. Participants will be randomly divided into two groups, taking arginine and nothing, respectively. Outcomes will be evaluated by lab test results on OA joint cartilage and self-administered questionnaires. The hypothesis is that arginine can slow down or reverse OA.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable knee-osteoarthritis
Started Mar 2019
Longer than P75 for not_applicable knee-osteoarthritis
1 active site
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
First Submitted
Initial submission to the registry
August 30, 2018
CompletedFirst Posted
Study publicly available on registry
September 11, 2018
CompletedStudy Start
First participant enrolled
March 5, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 30, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
September 30, 2024
CompletedJuly 14, 2023
July 1, 2023
4.6 years
August 30, 2018
July 13, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Target Gene Expressions in Osteoarthritic Knee Cartilage after 6 Months of Supplementation
After participants have been taking arginine or nothing for 6 months, and cartilage tissue has been obtained during participants' total knee replacement surgery, target gene expressions in cartilage are measured with quantitative polymerase chain reaction (qPCR). Genes include cartilage degradation enzymes - matrix metallopeptidase 13 (MMP13), cathepsin K (CTSK), cathepsin B (CTSB), and cartilage syntheses genes - aggrecan (ACAN) and type II collagen (CTXII).
up to 20 months
Secondary Outcomes (7)
OA Severity Grade of Osteoarthritic Knee Cartilage after 6 Months of Supplementation
up to 6 months
WOMAC to Measure Changes in Joint Pain and Function between baseline and at 6 Months
at baseline and in 6 months
WOMAC to Measure Changes in Joint Pain and Function between baseline and at 6 Months Post-surgery
at baseline and 6 months post-surgery
WOMAC to Measure Changes in Joint Pain and Function between baseline and at 12 Months Post-surgery
at baseline and 12 months post-surgery
SF-36 to Measure Changes in Physical and Mental Function between baseline and at 6 Months
at baseline and in 6 months
- +2 more secondary outcomes
Study Arms (2)
Arginine
EXPERIMENTALL-arginine 1.5 g capsule by mouth, once daily for 6 months
No Intervention
NO INTERVENTIONno supplement for 6 months
Interventions
Eligibility Criteria
You may qualify if:
- Undergoing total knee replacement surgery in 6 months due to primary knee OA
- Must be ambulatory
- Must live in 50 kilometers perimeter of St. John's, capital city of Newfoundland and Labrador, Canada
You may not qualify if:
- Clinical diagnosis of secondary OA or inflammatory arthritis
- Cod liver oil supplementation within 6 months
- Supplementation containing arginine within 6 months
- Osteoporotic fracture, previous knee surgery or arthroscopy within 6 months
- Use of bisphosphonates within 2 years
- Use of Intra-articular viscosupplementation or platelet rich plasma at any point
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Memorial University of Newfoundlandlead
- Ocean Frontier Institutecollaborator
Study Sites (1)
Total Joint Assessment Clinic
St. John's, Newfoundland and Labrador, A1A 3Z9, Canada
Related Publications (29)
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PMID: 27160277BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Guangju Zhai, PhD
Memorial University of Newfoundland
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Purpose
- BASIC SCIENCE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
August 30, 2018
First Posted
September 11, 2018
Study Start
March 5, 2019
Primary Completion
September 30, 2023
Study Completion
September 30, 2024
Last Updated
July 14, 2023
Record last verified: 2023-07
Data Sharing
- IPD Sharing
- Will not share