amyotrophic lateral sclerosis type 8 (MONDO_0012077) is any amyotrophic lateral sclerosis in which the cause of the disease is a mutation in the VAPB gene. Also known as: ALS8, VAPB amyotrophic lateral sclerosis, amyotrophic lateral sclerosis 8, amyotrophic lateral sclerosis caused by mutation in VAPB.