Effect of Ketanserin, Olanzapine, and Lorazepam After LSD Administration on the Acute Response to LSD in Healthy Subjects

NCT05964647 · clinicaltrials.gov ↗

PHASE1

Phase

COMPLETED

Status

20

Enrollment

OTHER

Sponsor class

Conditions

Healthy

Interventions

DRUG: LSD (150 µg) + ketanserin (40 mg)
DRUG: LSD (150 µg) + olanzapine (10 mg)
DRUG: LSD (150 µg) + lorazepam (2 mg)
DRUG: LSD (150 µg) + placebo
DRUG: Placebo + placebo

Sponsor

University Hospital, Basel, Switzerland