Plasmapheresis in Amyotrophic Lateral Sclerosis With Autoantibody Against NRIP
Trial Parameters
Brief Summary
Patient with amyotrophic lateral sclerosis (ALS) having anti-NRIP autoantibody showed titer-dependent detrimental Effects. Plasmapheresis might benefit this subgroup of patients via removal of anti-NRIP autoantibody
Eligibility Criteria
Inclusion Criteria: 1. Patients with amyotrophic lateral sclerosis (ALS) at the age more than 20 years and having plasma anti-NRIP autoantibody. 2. Agree to receive plasmapheresis intervention. 3. Agree to participate in the trial and receive serial examinations and follow up. Exclusion Criteria: 1. Patients without plasma anti-NRIP autoantibody. 2. Patients requiring permanent ventilator support for ALS progression. 3. Not able to receive plasmapheresis or trial-related examinations. 4. Under pregnancy. 5. Blood fibrinogen level less than 50 mg/dl. 6. Specific ALS subtypes, including primary lateral sclerosis, progressive muscular atrophy, flail arm syndrome, or flail leg syndrome.