Cytomegalovirus DNA Presence in Southern Chinese Patients with Anti-Melanoma Differentiation-Associated Gene 5 Positive Dermatomyositis - Report - MDSpire

Cytomegalovirus DNA Presence in Southern Chinese Patients with Anti-Melanoma Differentiation-Associated Gene 5 Positive Dermatomyositis

  • By

  • Yuanyuan Niu

  • Huijuan Hu

  • Yuting Gu

  • Kai Sun

  • Qian Qiu

  • Di Fu

  • Haonan Chen

  • Liuqin Liang

  • Shanhui Ye

  • Youjun Xiao

  • Hanshi Xu

  • February 9, 2026

  • 0 min

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Cytomegalovirus DNA Presence in Southern Chinese Patients with Anti-MDA5 DM

Overview

This study evaluates the prevalence of CMV DNAemia in patients with anti-MDA5-positive dermatomyositis and identifies risk factors associated with increased mortality. The findings highlight the importance of monitoring CMV in this high-risk population.

Background

Cytomegalovirus (CMV) is a significant opportunistic infection in immunocompromised patients, including those with autoimmune diseases like dermatomyositis. Anti-MDA5-positive dermatomyositis is particularly prevalent in East Asia and is associated with severe complications, including rapidly progressive interstitial lung disease. Understanding the relationship between CMV infection and patient outcomes is crucial for improving management strategies in this vulnerable group.

Data Highlights

ParameterValue
Prevalence of CMV DNAemia32.1% (76/237)
Independent risk factors for CMV DNAemiaPrior methylprednisolone pulses, medium-high dose glucocorticoids, use of biologic DMARDs, higher LDH
6-month mortality in CMV-positive patientsHigher in those with RP-ILD, coinfections, and higher viral loads

Key Findings

  • CMV DNAemia was found in 32.1% of patients with anti-MDA5-positive dermatomyositis.
  • Independent risk factors for CMV DNAemia included prior methylprednisolone pulses and medium-high dose glucocorticoids.
  • 6-month mortality was significantly higher among patients with RP-ILD and higher viral loads.
  • Routine virologic surveillance is recommended for high-risk subsets of patients.
  • Aggressive immunosuppressive therapy may increase the risk of CMV reactivation.

Clinical Implications

Clinicians should be vigilant in monitoring for CMV DNAemia in patients with anti-MDA5-positive dermatomyositis, especially those receiving high-dose glucocorticoids or biologic therapies. Early identification and management of CMV infection may improve patient outcomes and reduce mortality rates.

Conclusion

The study underscores the need for routine CMV monitoring in patients with anti-MDA5-positive dermatomyositis to mitigate the risks associated with opportunistic infections and improve overall patient care.

References

  1. Cytomegalovirus DNAemia in patients with anti-melanoma differentiation-associated gene 5 positive dermatomyositis from southern China, BMC Infectious Diseases, 2026 -- Cytomegalovirus DNAemia in patients with anti-melanoma differentiation-associated gene 5 positive dermatomyositis from southern China
  2. Effectiveness and safety of tofacitinib versus calcineurin inhibitor in interstitial lung disease secondary to anti-MDA5-positive dermatomyositis: a multicentre cohort study, PMC, 2023 -- Effectiveness and safety of tofacitinib versus calcineurin inhibitor in interstitial lung disease secondary to anti-MDA5-positive dermatomyositis
  3. Clinical Rheumatology — Widespread pruritic erythema as a clinical feature in dermatomyositis linked to anti-SAE antibodies: a case study and review of existing literature
  4. Clinical Rheumatology — Evaluating Circulating Biomarkers VEGF-A, TNF-α, CCL2, IL-6, and IFN-γ in Cancer Associated with Anti-TIF1-γ Antibodies in Dermatomyositis Patients
  5. Clinical Rheumatology — Cardiac Manifestations in Dermatomyositis Associated with Anti-MDA5 Antibodies: A Review of Case Studies
  6. Infection — A Case Study of a 38-Year-Old Female with Necrotizing Cervical Lymphadenitis Induced by Histoplasma capsulatum
  7. Cytomegalovirus DNAemia in patients with anti-melanoma differentiation-associated gene 5 positive dermatomyositis from southern China | BMC Infectious Diseases | Springer Nature Link
  8. Effectiveness and safety of tofacitinib versus calcineurin inhibitor in interstitial lung disease secondary to anti-MDA5-positive dermatomyositis: a multicentre cohort study - PMC
  9. The Fourth International Consensus Guidelines on the Management of Cytomegalovirus in Solid Organ Transplantation - PMC

Original Source(s)

Cytomegalovirus DNA Presence in Southern Chinese Patients with Anti-Melanoma Differentiation-Associated Gene 5 Positive Dermatomyositis

  • by Yuanyuan Niu, Huijuan Hu, Yuting Gu, Kai Sun, Qian Qiu, Di Fu, Haonan Chen, Liuqin Liang, Shanhui Ye, Youjun Xiao, Hanshi Xu

  • February 9, 2026

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