Go to sections Study Type : Interventional (Clinical Trial) Estimated Enrollment : 77 participants Allocation: Randomized Intervention Model: Sequential Assignment Masking: Triple (Participant, Care Provider, Investigator) Primary Purpose: Treatment Official Title: A Phase 1, Double-Blind, Randomized, Placebo-Controlled, Single/Multiple Day Dose Study to Assess the Safety, Tolerability, and Pharmacokinetics of 18- Methoxycoronaridine Administered Orally to Normal Healthy Volunteers Actual Study Start Date : April 14, 2020 Estimated Primary Completion Date : March 30, 2021 Estimated Study Completion Date : April 30, 2021