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Review

IgG4-related disease: advances in pathophysiology and treatment

ORCID Icon, ORCID Icon, ORCID Icon, ORCID Icon & ORCID Icon
Pages 537-547 | Received 14 Feb 2023, Accepted 22 Mar 2023, Published online: 06 Apr 2023
 

ABSTRACT

Introduction

IgG4-related disease (IgG4-RD) is a rare fibro-inflammatory disease affecting multiple organs. In recent years basic and translational research has unveiled the role of different cellular subtypes and cytokines in inducing and perpetuating the pathological process, eventually leading to fibrosis of affected tissues. Hopefully, the growing knowledge of the disease pathogenesis will lead to patient-tailored treatments in the near future.

Areas covered

This review focuses on the most recent discoveries concerning the pathogenic mechanisms underlying IgG4-RD and highlights their potential role as specific therapeutic targets.

Expert opinion

IgG4-RD is a systemic and multifaceted disease. Its sensitivity to glucocorticoids is well known, however new targeted therapies are emerging that can reduce glucocorticoid exposure and achieve sustained clinical responses. Clinicians managing patients with such a rare and heterogeneous disease must therefore be aware of its varied phenotype and traditional and novel therapeutic strategies.

Declaration of interest

The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.

Reviewer disclosures

Peer reviewers on this manuscript have no relevant financial or other relationships to disclose.

Additional information

Funding

This paper was not funded.

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