Last updated on February 2018

A Pilot Study of MSCs Iufusion and Etanercept to Treat Ankylosing Spondylitis

Brief description of study

The purpose of this study is to evaluate the safety and clinical effect of mesenchymal stem cells (MSCs) derived from human bone marrow at a dose of 1.0E+6 MSC/kg in subject for the therapy of Ankylosing spondylitis (AS) and to compare the efficacy of MSCs and Etanercept to treat this disease.

Detailed Study Description

Ankylosing spondylitis (AS) is a chronic, progressive inflammatory rheumatic disease involving primarily the sacroiliac joints and the axial skeleton. The main clinical features are back pain and progressive stiffness of the spine. Oligoarthritis of the hips and shoulders, enthesopathy, and anterior uveitis are common, and involvement of the heart and lungs is rare. The current understanding of the pathogenesis of this disorder is limited.It mainly about to hereditary susceptibility (eg HLA-B27),infection and autoimmunity.

Although traditional drugs, such as Nonsteroidal antiinflammatory drugs (NSAIDs) disease-modifying antirheumatic drugs (DMARDs such as methotrexate, salicylazosulfapyridine OR thalidomide) and steroids have been used in the treatment of AS, however, many studies have indicated that the overall response to these drugs is not satisfied. Addition, the severe side effects of these drugs have also been observed. The management of AS patients therefore remains unsatisfactory and targeted therapies are needed. Although the application of TNF alpha receptor inhibitor (such as Etanercept) has got the success in the early treatment of ankylosing spondylitis, the tolerance to this biological agent make the therapy to this disease rather difficult. Recently, owning to its immunoregulatory, immunosuppressive, stimulating hematopoiesis and tissue repairing properties, the infusion of human MSCs isolated from human bone marrow have been a promising and effective treatment to AS patients. This study will evaluate the safety and effectiveness of MSC transplantation in the AS patients and compare the efficiency with the Etanercept to treat AS patients.

This study will last 2 to 3 years. Participants will be randomly assigned to receive either MSC transplant therapy (experimental group) or Etanercept therapy (control group). Patients will undergo MSC transplant at the start of the study on Day 0. The experimental group will receive infusion per week in the first 4 weeks and every two weeks in the second 8 weeks, totally for 12 weeks. After 3 months, patients will receive the second MSC transplantation. After 12 weeks (Phase I) and 48 weeks (Phase II) from the first transplantation, patients will be evaluated.

Clinical Study Identifier: NCT02809781

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Recruitment Status: Open

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