Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Abuse Potential of ACT-541468 in Healthy Recreational Drug Users

ClinicalTrials.gov ID: NCT03657355

Public ClinicalTrials.gov record NCT03657355. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 11:59 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Randomized, Double-blind, Double-dummy, Placebo- and Active-controlled, 6-way Cross-over Study to Evaluate the Abuse Potential of Single, Oral Doses of ACT-541468 in Healthy Recreational Drug Users

Study identification

NCT ID
NCT03657355
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Enrollment
63 participants

Conditions and interventions

Interventions

  • ACT-541468 Drug
  • Suvorexant Drug
  • Zolpidem Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 55 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 6, 2018
Primary completion
Aug 7, 2019
Completion
Aug 7, 2019
Last update posted
Sep 18, 2019

2018 – 2019

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Altasciences Clinical Kansas, Inc. (former Vince and Associates Clinical Research, Inc.) Overland Park Kansas 66212

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03657355, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Sep 18, 2019 · Synced Jul 22, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03657355 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →