Disease activity, cytokines, directly linked to diabetes risk in RA: Study
Written By : Dr. Nandita Mohan
Medically Reviewed By : Dr. Kamal Kant Kohli
Published On 2021-01-18 12:30 GMT | Update On 2021-01-19 09:53 GMT
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According to recent investigations, it has been observed that higher the disease activity and elevated levels of cytokines/chemokines, higher is the risk of incident DM in patients with RA.
The study is published in the Annals of Rheumatic Diseases.
Rheumatoid arthritis (RA) is associated with a higher risk of diabetes mellitus (DM). Hence, Joshua F Baker and colleagues from the Rheumatology Department, Corporal Michael J Crescenz VA Medical Center, Philadelphia, USA aimed to determine associations between inflammatory disease activity (including evaluation of specific cytokines and chemokines) and incident DM. A total of 1866 patients with RA without prevalent DM were enrolled in the study. Participants were adults with physician-confirmed RA from Veteran's Affairs Rheumatoid Arthritis Registry. Disease activity and clinical assessments occur longitudinally as part of clinical care. Thirty cytokines and chemokines were measured in banked serum obtained at the time of enrolment. Cytokine/chemokine values were log-adjusted and standardized (per SD). Incident DM was defined based on validated algorithms using diagnostic codes and medications. Multivariable Cox proportional hazard models evaluated associations between clinical factors and incident DM. Independent associations between cytokines/chemokines and incident DM were assessed adjusting for age, sex, race, smoking, body mass index (BMI) and medication use at baseline. The following findings were highlighted- a. Out of the total sample, there were 130 incident cases over 9223 person-years of follow-up. b. High Disease Activity Score (DAS28)-C reactive protein (CRP), obese BMI, older age and male sex were associated with greater risk for incident DM while current smoking and methotrexate use were protective. c. Patients using methotrexate were at lower risk. d. Several cytokines/chemokines evaluated were independently associated (per 1 SD) with DM incidence including interleukin(IL)-1, IL-6 and select macrophage-derived cytokines/chemokines (HR range 1.11–1.26). Hence, it was concluded that "higher disease activity and elevated levels of cytokines/chemokines are associated with a higher risk of incident DM in patients with RA. Future study may help to determine if targeted treatments in at-risk individuals could prevent the development of DM." Our comments section is governed by our Comments Policy . By posting comments at Medical Dialogues you automatically agree with our Comments Policy , Terms And Conditions and Privacy Policy .
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