Recombinant Human Growth Hormone (rHGH) for Knee Osteoarthritis (KORR)
KORR
1 other identifier
interventional
34
1 country
1
Brief Summary
The goal of this clinical trial is to see if people with knee osteoarthritis would be willing to comply and adhere to incorporating Recombinant Human Growth Hormone (rHGH), specifically Saizen Somatropin solution, into their treatment plan. Participants will be asked to:
- Self-inject the treatment solution (placebo or somatropin) into the abdominal or gluteal area once per day for a total of 6 weeks.
- Complete questionnaires related to their knee pain and activities of daily living.
- Provide blood tests.
- Complete various measurements including: circumference of thigh, calf, and abdomen; strength of thigh and knee; range of motion of both knees; and gait analysis.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Oct 2025
Typical duration for phase_1
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
May 30, 2025
CompletedFirst Posted
Study publicly available on registry
June 25, 2025
CompletedStudy Start
First participant enrolled
October 31, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
January 1, 2029
March 16, 2026
December 1, 2025
2.7 years
May 30, 2025
March 12, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Feasibility of the medication administration
Participant adheres to self-administration of injections once daily for 6 weeks.
6 weeks after treatment begins.
Secondary Outcomes (13)
Clinical Outcomes: knee extension strength
At 6 weeks and 24 months time points after enrolment
Clinical Outcome: knee flexion strength
At 24 months after enrolment.
Clinical Outcomes: thigh muscle strength
At baseline, 6 weeks, 3 months, 6 months, 12 months, and 24 months study visits.
Clinical Outcomes: Kinematic Gait Analysis
At baseline, 6 weeks and 6 months study visits.
Thigh circumference
At baseline, 6 weeks, 3, 6, 12 and 24 months study visits
- +8 more secondary outcomes
Study Arms (2)
Recombinant Human Growth Hormone (rHGH)
EXPERIMENTALSelf-administered subcutaneous injection into the abdomen or gluteal region once per day for six weeks.
Bacteriostatic Saline
PLACEBO COMPARATORSelf-administered subcutaneous injection into the abdomen or gluteal region once per day for six weeks.
Interventions
Study participants will deliver bacteriostatic saline via self-administered subcutaneous injection into the abdomen or gluteal region once per day for six weeks in an identical delivery device to the experimental arm.
Study participants will deliver Somatropin via self-administered subcutaneous injection into the abdomen or gluteal region once per day for six weeks at a dose of 0.5mg/day per body surface area (0.5mg/m2/day).
Eligibility Criteria
You may qualify if:
- Between 18 - 65 years old.
- Diagnosis of isolated knee osteoarthritis for greater than 6 months.
You may not qualify if:
- Previous or pending major intra-articular or reconstructive surgery to the involved knee, including femoral/tibial osteotomies, ligament repair/reconstruction, or cartilage transplantation. Patients with remote (\>1 year) diagnostic arthroscopy, arthroscopic debridement, meniscectomy, or meniscal repair may be allowed to participate at the investigators' discretion.
- Previous major trauma (including fracture, dislocation, open injury) to the involved knee, or ipsilateral hip, knee, ankle, or hip. Patients with prior complete ligament tears will be excluded, patients with chronic partial thickness ligament tears or degenerative/complex meniscal tears (\>6 months from injury) may be included at the investigators' discretion
- Recent (less than 6 months) intra-articular injection into the involved knee.
- High grade ligamentous knee injury.
- Known allergy to recombinant human growth hormone (rHGH) or reconstitutive solutions.
- BMI of less than 20 or greater than 35.
- Documented history of growth disorder of bones or connective tissue, type 1 or 2 diabetes, myopathy, cancer, endocrine disorder, severe hypertension (SBP \> 180) or rheumatologic disorder.
- Pregnant or breastfeeding, or actively attempting to get pregnant.
- Currently on hypoglycemic therapy, oral estrogen or glucocorticoid replacement therapy.
- Would have difficulty with the self-injection schedule or other cognitive/ functional limitations.
- Have taken creatine within 7 days before baseline. Potential participants will be given the option to pause their supplements and then re-screen if they are interested in the study,
- Have taken anabolic steroids within 42 days (6 weeks) before baseline. Potential participants will be given the option to pause their supplements and then rescreen if they are interested in the study,
- Vital signs or routine bloodwork outside of normal range.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Dr. David Wassersteinlead
- Sunnybrook Research Institutecollaborator
Study Sites (1)
Sunnybrook Health Sciences Centre
Toronto, Ontario, M4N 3M5, Canada
Related Publications (36)
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PMID: 41638751DERIVED
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Dr. David Wasserstein
Sunnybrook Health Sciences Centre
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Assistant Professor - University of Toronto; Associate Scientist - Sunnybrook Research Institute
Study Record Dates
First Submitted
May 30, 2025
First Posted
June 25, 2025
Study Start
October 31, 2025
Primary Completion (Estimated)
July 1, 2028
Study Completion (Estimated)
January 1, 2029
Last Updated
March 16, 2026
Record last verified: 2025-12
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL, SAP, ANALYTIC CODE
- Time Frame
- Beginning 3 months and ending 5 years following article publication.
- Access Criteria
- Researchers who provide a methodologically sound proposal will be able to access the IPD and supporting information to achieve aims in the approved proposal. Proposals should be directed to david.wasserstein@sunnybrook.ca. To gain access, data requestors will need to sign a data access agreement.
Data Sharing Statement: All data relevant to the study will be included in the final study manuscript or uploaded as supplementary information. Individual participant data that underlie the results reported in this article, after deidentification (text, tables, figures, and appendices).