# A Dose-Ranging Study of 50 µg to 100 µg LSD in Healthy Volunteers

> **NCT05674669** · PHASE1 · COMPLETED · sponsor: **Eleusis Therapeutics** · enrollment: 32 (actual)

## Conditions studied

- Healthy

## Interventions

- **DRUG:** Lysergic Acid Diethylamide (LSD) 50µg
- **DRUG:** Lysergic Acid Diethylamide (LSD) 75µg
- **DRUG:** Lysergic Acid Diethylamide (LSD) 100µg
- **DRUG:** Placebo/Lysergic Acid Diethylamide (LSD) 75µg
- **DRUG:** Lysergic Acid Diethylamide (LSD) 50µg/75µg

## Key facts

- **NCT ID:** NCT05674669
- **Lead sponsor:** Eleusis Therapeutics
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2015-10-20
- **Primary completion:** 2016-07-26
- **Final completion:** 2017-07-17
- **Target enrollment:** 32 (ACTUAL)
- **Last updated:** 2023-01-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05674669

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05674669, "A Dose-Ranging Study of 50 µg to 100 µg LSD in Healthy Volunteers". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05674669. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*