Chronic Inflammatory Demyelinating Polyradiculoneuropathy: Five New Things

Purpose of Review

The purpose of this review is to give an update on chronic inflammatory demyelinating polyradiculoneuropathy (CIDP).

Recent findings

There are several recent developments in CIDP, the major one being the 2021 second revision of the European Academy of Neurology/Peripheral Nerve Society guideline on diagnosis and treatment of chronic inflammatory demyelinating polyradiculoneuropathy. Other updates address therapy in CIDP, antibodies, serum neurofilament light chain, chronic immune sensory polyradiculopathy (CISP) and CIDP mimics.


CIDP criteria continue to be refined and some disorders are now excluded from the classification. Treatment options are expending and promising biomarkers are being studied.

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