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Related Experiment Video

Updated: Jan 3, 2026

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Chronic Inflammatory Demyelinating Polyneuropathy.

Satoshi Kuwabara1, Sonoko Misawa2

  • 1Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan. kuwabara-s@faculty.chiba-u.jp.

Advances in Experimental Medicine and Biology
|November 25, 2019
PubMed
Summary

Chronic inflammatory demyelinating polyneuropathy (CIDP) involves immune-mediated nerve damage. Different CIDP subtypes, like typical CIDP and MADSAM, have distinct clinical features and likely different causes, suggesting varied treatment needs.

Keywords:
Blood–nerve barrierChronic inflammatory demyelinating polyneuropathyDemyelinationNerve conduction

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Area of Science:

  • Neurology
  • Immunology
  • Neuroscience

Background:

  • Chronic inflammatory demyelinating polyneuropathy (CIDP) is an immune-mediated neuropathy characterized by progressive demyelination.
  • CIDP presents with diverse clinical phenotypes, broadly categorized into typical CIDP and atypical CIDP variants like multifocal acquired demyelinating sensory and motor neuropathy (MADSAM).

Purpose of the Study:

  • To differentiate the immunopathogenesis and clinical manifestations of typical CIDP and MADSAM.
  • To highlight how distinct pathological mechanisms may necessitate tailored treatment strategies for CIDP subtypes.

Main Methods:

  • Review of clinical and electrodiagnostic features of CIDP subtypes.
  • Analysis of proposed immunopathogenic mechanisms underlying demyelination in typical CIDP and MADSAM.

Main Results:

  • Typical CIDP exhibits symmetric, motor-dominant weakness, with demyelination at distal nerve terminals and nerve roots, suggesting antibody involvement.
  • MADSAM presents with multifocal demyelination in nerve trunks, leading to asymmetric or multiple mononeuropathies, implicating cellular immunity in blood-nerve barrier disruption.

Conclusions:

  • The distinct clinical presentations of CIDP subtypes are linked to specific patterns of demyelination and underlying immunopathogenesis.
  • Understanding these differences is crucial for developing targeted and effective treatment strategies for each CIDP variant.