NCT05882695: A Phase 1/2a, Randomized, Double Blind, Placebo Controlled, Single and Multiple Dose Escalation Study in Healthy Volunteers and an Expansion Cohort in Adult Participants With Amyotrophic Lateral Sclerosis (ALS) to Evaluate Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of SPG302 | TrialSignal