U.S., April 1 -- ClinicalTrials.gov registry received information related to the study (NCT07503002) titled 'Shortened LSD Intervention for Major Depressive Disorder' on March 25.

Brief Summary: The purpose of this study is to determine the safety and clinical effectiveness of a shortened lysergic acid diethylamide (LSD) experience. This will be achieved by administering the drug risperidone 45-minutes after the administration of LSD.

Study Start Date: July 01, 2026

Study Type: INTERVENTIONAL

Condition: Major Depression Moderate Major Depression Severe Major Depression

Intervention: DRUG: LSD + Risperidone

Participants will be administered LSD followed 45-minutes later by risperidone.

Recruitment Status: NOT_YET_RECRUITING

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