Intra-articular use of radium dichloride ([<sup>223</sup>Ra] RaCl<sub>2</sub>) showed relevant anti-inflammatory response on experimental arthritis model.
basic_science · Level V
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- Record sourced from PubMed, PMID 34370060.
- Also identified by DOI 10.1007/s00259-021-05515-9.
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Abstract
Rheumatoid arthritis (RA) is an inflammatory chronic autoimmune disease. The treatment of RA is difficult and, in many cases, ineffective, and the arsenal of drugs is limited. Due the longevity of the disease, RA may cause extreme musculoskeletal disorders with a high impact on quality of life. Also, RA is related with severe comorbidities decreasing the life expectancy. Finally, RA has been reported to impact in economy and healthy public. In this direction, the necessity to discover new strategies to efficiently treat RA is immediate. In this direction, we have reported the use of low doses of [<sup>223</sup>Ra] RaCl<sub>2</sub> (radium dichloride) as intra-articular injection to treat RA. Mice were post-treated with [<sup>223</sup>Ra] RaCl<sub>2</sub> (1.48 µCi; i.a.) 24 h after zymosan stimulus. Zymosan-induced arthrithis is responsible for leucocyte recruitment (total leukocytes, neutrophils, and mononuclear cells), which were inhibited by intra-articular injection of [223Ra] RaCl2 (69%, 77%, and 66%, respectively).
Medical subject headings
- Arthritis
- Radium