Stem Cell Therapies for Post-Traumatic Arthritis


Title: A phase I/II, randomized, controlled, double-blind, study of chondrogen—adult universal cell delivered by intra-articular injection following meniscectomy in patients 18–60 years

ClinicalTrials.gov Identifier: NCT00225095

Sponsor: Mesoblast International Sàrl

Purpose: The purpose of this study is to determine whether chondrogen is a safe and effective postoperative treatment of the knee following meniscectomy (the surgical removal of all or part of a torn meniscus)

Primary outcome measures: Meniscal volume

Secondary outcome measures: Quality of life; immunological endpoints; safety

Status: Completed

Title: A long-term follow-up study of chondrogen—adult human stem cells delivered by intra-articular injection following meniscectomy in subjects 18–60 years

ClinicalTrials.gov Identifier: NCT00702741

Sponsor: Mesoblast International Sàrl

Purpose: The objective of the present study is to establish the long-term safety of an intra-articular injection of human mesenchymal stem cells (hMSCs) (chondrogen)

Primary outcome measures: Comparison of treatment adverse event rates

Secondary outcome measures: Concomitant medications; visual analog scale

Status: Completed

Title: Phase 2 study to assess safety and tolerability of a single injection into the knee joint of two different doses of MSB-CAR001 combined with hyaluronan compared to hyaluronan alone in patients who have undergone an ACL reconstruction

ClinicalTrials.gov Identifier: NCT01088191

Sponsor: Mesoblast, Ltd.

Purpose: The purpose of this study is to evaluate safety and preliminary efficacy of MSB-CAR001 in subjects who have recently undergone an anterior cruciate ligament reconstruction

Primary outcome measures: To determine the overall safety of stem cell injections (MSB-CAR001) plus carrier using physical examinations, vital signs, treatment-emergent adverse events, and results of clinical lab tests (hematology, serum chemistry, inflammation, and immunology)

Secondary outcome measures: To evaluate the overall efficacy with MSB-CAR001 plus hyaluronan compared to hyaluronan alone using MRI scans and X-ray of the involved knee joint and access the change in outcomes (KOOS, SF-36) and pain (VAS)

Status: This study is ongoing, but not recruiting participants



PTA serves as an attractive target for the development of novel therapeutic approaches such as the use of stem and progenitor cells. Interestingly, a majority of the preclinical work in the field of osteoarthritis has utilized animal models that are more representative of PTA as compared to primary OA [5]. In this regard, novel therapies may arise from a better understanding of molecular mechanisms involved in the development of PTA after joint injury, combined with a better understanding of the intra-articular action of stem cells. Increasing evidence suggests that the regenerative capabilities of stem cells may be through their influence on the inflammatory environment [28, 29]. Given the emerging body of evidence that stem cell therapies lessen the development of PTA after a wide range of joint injuries, it is likely that human clinical trials will be initiated to assess the ability of stem cell therapies to improve outcomes in carefully selected patient populations.



Acknowledgments

Supported in part by the Arthritis Foundation, the Department of Defense, the Collaborative Research Center, AO Foundation, Davos Switzerland, and NIH grants AR48182, AR48852, AG15768, AR50245, and AG46927.


References



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Little CB, Hunter DJ. Post-traumatic osteoarthritis: from mouse models to clinical trials. Nat Rev Rheumatol. 2013;9(8):485–97.PubMedCrossRef


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Evans CH, Kraus VB, Setton LA. Progress in intra-articular therapy. Nat Rev Rheumatol. 2014;10(1):11–22.PubMedCentralPubMedCrossRef


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Diekman BO, Guilak F. Stem cell-based therapies for osteoarthritis: challenges and opportunities. Curr Opin Rheumatol. 2013;25(1):119–26.PubMedCentralPubMedCrossRef


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Caplan AI, Dennis JE. Mesenchymal stem cells as trophic mediators. J Cell Biochem. 2006;98(5):1076–84.PubMedCrossRef

Nov 27, 2016 | Posted by in RHEUMATOLOGY | Comments Off on Stem Cell Therapies for Post-Traumatic Arthritis

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