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Severe cutaneous adverse reactions.

Shuen-Iu Hung1,2, Maja Mockenhaupt3, Kimberly G Blumenthal4

  • 1Cancer Vaccine and Immune Cell Therapy Core Laboratory, Department of Medical Research, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan, Taiwan.

Nature Reviews. Disease Primers
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Summary
This summary is machine-generated.

Severe cutaneous adverse reactions (SCARs) are life-threatening drug hypersensitivity syndromes. Genetic screening and targeted therapies are advancing precision management for these serious conditions.

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Area of Science:

  • Immunodermatology
  • Pharmacogenomics

Background:

  • Severe cutaneous adverse reactions (SCARs) encompass Stevens-Johnson syndrome, toxic epidermal necrolysis, and drug reaction with eosinophilia and systemic symptoms.
  • These conditions are life-threatening and involve complex immune responses to drug antigens.

Purpose of the Study:

  • To review the pathogenesis, genetic associations, and evolving therapeutic strategies for SCARs.
  • To highlight the shift towards precision management in SCARs.

Main Methods:

  • Review of literature on SCAR pathogenesis, genetics, and treatment.
  • Analysis of T cell receptor-drug antigen interactions and immune cell involvement.
  • Examination of genetic predisposition, drug metabolism, and co-factors.

Main Results:

  • SCAR pathogenesis involves T cell recognition of drug antigens presented by human leukocyte antigens.
  • Genetic associations with specific SCAR phenotypes have led to preventative screening.
  • Evolving treatments include biologics and small molecules targeting specific immune pathways.

Conclusions:

  • Understanding SCAR pathogenesis and genetic factors is crucial for prevention and personalized treatment.
  • Precision management strategies are transforming the therapeutic landscape for SCARs.