Treatment significantly delays disease onset by more than two weeks while survival was not affected.
Link: Cannabinol Delays Symptom Onset In SOD1 (G93A) Transgenic Mice Without Affecting Survival
Year: 2005
DOI: 10.1080/14660820510030149
Possible to probable range of efficacy of cannabis for treatment of Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease) according to the results found in this study.
CBN was delivered via subcutaneously implanted osmotic mini-pumps (5 mg/kg/day) over a period of up to 12 weeks