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Disease-modifying anti-rheumatic drugs associated with different diabetes risks in patients with rheumatoid arthritis
Yu-Jih Su1,2,3, Hui-Ming Chen4, Tien-Ming Chan5
1Division of Rheumatology, Allergy, and Immunology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan.
Objectives:
Patients with rheumatoid arthritis are prone to developing diabetes, which may lead to various sequelae and even cardiovascular diseases, the most common cause of death in such patients. Previous research has shown that some rheumatoid arthritis treatments may help prevent the development of diabetes. This study aimed to investigate whether patients using disease-modifying anti-rheumatic drugs (DMARDs) may have different levels of risk for diabetes and to analyse other risk factors for diabetes.
Methods:
This cohort study used data from the Chang Gung Research Database. 5530 adults with rheumatoid arthritis but without diabetes were eligible for the analysis. The endpoint of this study was new-onset diabetes, defined as an HbA1c value ≥7% during follow-up. The entire follow-up period was divided into monthly subunits. These 1-month units were then divided into methotrexate (MTX) monotherapy, any biological DMARDs (bDMARDs), MTX combination, other conventional DMARDs (cDMARDs) and non-DMARDs.
Results:
A total of 546 participants (9.87%) developed diabetes between 2001 and 2018. The risk of diabetes was significantly lower in the bDMARD periods (HR 0.51; 95% CI 0.32 to 0.83), MTX combination periods (HR 0.50; 95% CI 0.32 to 0.78) and other cDMARD periods (HR 0.56; 95% CI 0.37 to 0.84) than in the MTX monotherapy periods. Individual drug analysis showed that hydroxychloroquine (HR 0.52; 95% CI 0.42 to 0.65) reduced the risk of diabetes. Tumour necrosis factor-α inhibitors (HR 0.69; 95% CI 0.46 to 1.03) tended to be protective.
Conclusion:
Patients with rheumatoid arthritis may have different levels of risk of diabetes depending on the treatment options.
Insights
Patients with rheumatoid arthritis (RA) using certain disease-modifying anti-rheumatic drugs (DMARDs) show a reduced risk of developing diabetes. Biological DMARDs and combination therapies were associated with lower diabetes incidence compared to methotrexate monotherapy.
Area of Science:
- Rheumatology
- Endocrinology
- Clinical Pharmacology
Background:
- Rheumatoid arthritis (RA) patients face increased risks of diabetes and cardiovascular disease.
- Existing RA treatments may influence diabetes development, necessitating further investigation.
- Understanding treatment-specific diabetes risk is crucial for patient management.
Purpose of the Study:
- To evaluate the association between different disease-modifying anti-rheumatic drug (DMARD) regimens and new-onset diabetes in RA patients.
- To identify specific DMARDs or combinations that may mitigate diabetes risk.
- To analyze other potential risk factors for diabetes in this population.
Main Methods:
- A cohort study utilizing the Chang Gung Research Database.
- Inclusion criteria: 5530 adults with RA and no prior diabetes diagnosis.
- Endpoint: New-onset diabetes (HbA1c ≥7%), analyzed across methotrexate monotherapy, biological DMARDs, MTX combination, other conventional DMARDs, and non-DMARD periods.
Main Results:
- 9.87% of participants developed new-onset diabetes between 2001 and 2018.
- Significantly lower diabetes risk observed with biological DMARDs (HR 0.51), MTX combination (HR 0.50), and other conventional DMARDs (HR 0.56) compared to MTX monotherapy.
- Hydroxychloroquine demonstrated a protective effect (HR 0.52); TNF-α inhibitors showed a trend towards protection (HR 0.69).
Conclusions:
- RA treatment choice significantly impacts diabetes risk.
- Biological DMARDs, combination therapies, and certain conventional DMARDs like hydroxychloroquine may offer protection against diabetes development in RA patients.
- Personalized treatment strategies considering diabetes risk are warranted for RA management.
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