Relationship between Pain and Functional Status in Patients with Amyotrophic Lateral Sclerosis: A Multicenter Cross-Sectional Study.

Background: Pain is a widely neglected symptom in patients with amyotrophic lateral sclerosis (ALS), even though it may be common and have a significant impact on the quality of life.

Objective: The aim of this study was to determine the frequency and characteristics of pain and its treatment in ALS patients.

Design: A multicenter cross-sectional study.