Recommendations to Define CIDP Clinical Disease States

Patients with chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) experience progressive or relapsing muscle weakness and sensory impairment evolving over at least 8 weeks, often leading to disability and requiring immunotherapy. Treatment decisions rely largely on subjective symptoms supported by examination findings. For the first time, a multidisciplinary task force of international CIDP experts and patient representatives has established standardized definitions for key clinical outcomes and disease-activity states. These definitions use prespecified thresh…