Human umbilical cord mesenchymal stem cell therapy for patients with active rheumatoid arthritis

Human umbilical cord mesenchymal stem cell therapy for patients with active rheumatoid arthritis: safety and efficacy.

 2013 Dec 15;22(24):3192-202. doi: 10.1089/scd.2013.0023. Epub 2013 Oct 4.
 
Wang L1Wang LCong XLiu GZhou JBai BLi YBai WLi MJi HZhu DWu MLiu Y.

 

Abstract

This study was designed to assess the safety and efficacy of human umbilical cord mesenchymal stem cells (UC-MSCs) in the treatment of rheumatoid arthritis (RA). In this ongoing cohort, 172 patients with active RA who had inadequate responses to traditional medication were enrolled. Patients were divided into two groups for different treatment: disease-modifying anti-rheumatic drugs (DMARDs) plus medium without UC-MSCs, or DMARDs plus UC-MSCs group (4×10(7) cells per time) via intravenous injection. Adverse events and the clinical information were recorded. Tests for serological markers to assess safety and disease activity were conducted. Serum levels of inflammatory chemokines/cytokines were measured, and lymphocyte subsets in peripheral blood were analyzed. No serious adverse effects were observed during or after infusion. The serum levels of tumor necrosis factor-alpha and interleukin-6 decreased after the first UC-MSCs treatment (P<0.05). The percentage of CD4(+)CD25(+)Foxp3(+) regulatory T cells of peripheral blood was increased (P<0.05). The treatment induced a significant remission of disease according to the American College of Rheumatology improvement criteria, the 28-joint disease activity score, and the Health Assessment Questionnaire. The therapeutic effects maintained for 3-6 months without continuous administration, correlating with the increased percentage of regulatory T cells of peripheral blood. Repeated infusion after this period can enhance the therapeutic efficacy. In comparison, there were no such benefits observed in control group of DMARDS plus medium without UC-MSCs. Thus, our data indicate that treatment with DMARDs plus UC-MSCs may provide safe, significant, and persistent clinical benefits for patients with active RA.

PMID:
 
23941289
 
DOI:
 
10.1089/scd.2013.0023
[Indexed for MEDLINE]
Author
Dr. Clark H. Hansen Dr. Clark H. Hansen is a licensed Naturopathic Medical Doctor (N.M.D.) who has been in private practice in Scottsdale, Arizona, since 1986. He is the President and Medical Director of the Hansen Clinic of Natural Medicine, Aesthetics and Mesotherapy. Dr. Hansen is one of the most well respected Naturopathic Physicians in the country and a Diplomat of the World Society of Anti-Aging Medicine.

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