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This is a 24-month, multicenter, randomized, open-label, standard treatment-controlled, parallel-group, Phase 2 study for adults with large or complicated knee articular cartilage lesions and are candidates for knee joint cartilage repair surgery. The safety and efficacy of intra-articular injections of peripheral blood stem cells (PBSCs) together with hyaluronic acid (HA) after subchondral drilling surgery will be evaluated to determine whether PBSC therapy can improve functional outcome and reduce pain of the knee joint better than a standard treatment (HA injections and physiotherapy regimen).
This is a 24-month, multicenter, randomized, open-label, standard treatment-controlled, parallel-group, Phase 2 study for adults with large or complicated knee articular cartilage lesions and are candidates for knee joint cartilage repair surgery. The safety and efficacy of intra-articular injections of peripheral blood stem cells (PBSCs) together with hyaluronic acid (HA) after subchondral drilling surgery will be evaluated to determine whether PBSC therapy can improve functional outcome and reduce pain of the knee joint better than a standard treatment (HA injections and physiotherapy regimen).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention | Experimental | Subjects randomized to the intervention group will undergo subchondral drilling surgery according to standard protocol, and will also receive a regimen of PBSC and HA intra-articular injections and postoperative physiotherapy. |
|
| Standard treatment | Active Comparator | Subjects randomized to the standard treatment-controlled parallel group will receive intra-articular HA injections and a physiotherapy regimen. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Autologous peripheral blood stem cells and hyaluronic acid | Biological | Regimen of intra-articular PBSC and HA injections and postoperative physiotherapy |
|
| Measure | Description | Time Frame |
|---|---|---|
| International Knee Documentation Committee (IKDC) score | Subjective IKDC core as a measure of joint function | 24 months |
| Knee injury and Osteoarthritis Outcome (KOOS) pain subdomain | KOOS pain subdomain score as a measure of joint pain | 24 months |
| Measure | Description | Time Frame |
|---|---|---|
| Numeric Rating Scale (NRS) for pain | Numeric Rating Scale (NRS) for pain | 24 months |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability] | up to 24 months |
Inclusion Criteria:
Aged between 18 to 55 years at screening (20 to 57 years for the open-label extension)
Present for evaluation and treatment of knee pain, knee swelling, or knee mechanical symptoms due to cartilage lesions
Provide written informed consent
International Cartilage Repair Society (ICRS) Grade 3 or 4 lesions diagnosis from MRI scans of the target knee
All subjects must also satisfy at least 1 of the following inclusion criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Andrews Research & Education Foundation (AREF) | Gulf Breeze | Florida | 32561 | United States | ||
| Kuala Lumpur Sports Medicine Centre |
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| Hyaluronic acid | Other | Regimen of intra-articular HA injections and postoperative physiotherapy |
|
| Kuala Lumpur |
| Malaysia |
| ID | Term |
|---|---|
| D006820 | Hyaluronic Acid |
| ID | Term |
|---|---|
| D006025 | Glycosaminoglycans |
| D011134 | Polysaccharides |
| D002241 | Carbohydrates |
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