Approximately 12 eligible participants will be receive a single dose of BPL-003, given intranasally, with 12 weeks of follow-up assessments. Psychological support will be given before, during and after dosing.
An open-label, multi-centre, Phase 2a study to evaluate the safety, tolerability and pharmacodynamics after a single intranasal dose of BPL-003 combined with psychological support, in patients with treatment resistant depression not currently taking antidepressants.