Vitamin D Effect in Rheumatoid Arthritis.

Summary

Regulatory T (Tregs) cells play an important role in the maintenance of immunological tolerance. It decrease in the peripheral blood of rheumatoid arthritis patients. Vitamin D has an immunomodulatory and anti-inflammatory effect in rheumatoid arthritis. Vitamin D supplementation significantly enhances Tregs percentage in the peripheral blood of RA patients. So supplementation of Vit D improves rheumatoid arthritis disease activity.

Timeline

Start

2019-09-06

Primary completion

2019-12-22

Completion

2020-03-22

Publications

• Background Wang Z, Chang C, Lu Q. Epigenetics of CD4+ T cells in autoimmune diseases. Curr Opin Rheumatol. 2017 Jul;29(4):361-368. doi: 10.1097/BOR.0000000000000393.
• Background Lan Q, Fan H, Quesniaux V, Ryffel B, Liu Z, Zheng SG. Induced Foxp3(+) regulatory T cells: a potential new weapon to treat autoimmune and inflammatory diseases? J Mol Cell Biol. 2012 Feb;4(1):22-8. doi: 10.1093/jmcb/mjr039. Epub 2011 Nov 22.
• El-Banna HS, Gado SE. Vitamin D: does it help Tregs in active rheumatoid arthritis patients. Expert Rev Clin Immunol. 2020 Aug;16(8):847-853. doi: 10.1080/1744666X.2020.1805317. Epub 2020 Aug 25.

Drugs

Indications