Study of MK-6552 in Participants With Narcolepsy Type 1 (MK-6552-004)
Public ClinicalTrials.gov record NCT06179407. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Two-Part Study to Assess the Safety, Tolerability, Pharmacokinetics and Sleep Latency Effects of MK-6552 in Participants With Narcolepsy Type 1
Study identification
- NCT ID
- NCT06179407
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Merck Sharp & Dohme LLC
- Industry
- Enrollment
- 9 participants
Conditions and interventions
Conditions
Interventions
- MK-6552 Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 55 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 23, 2024
- Primary completion
- Oct 22, 2024
- Completion
- Oct 22, 2024
- Last update posted
- Apr 13, 2026
2024
United States locations
- U.S. sites
- 5
- U.S. states
- 5
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Delta Waves, Inc. ( Site 0008) | Colorado Springs | Colorado | 80918 | — |
| Teradan Clinical Trials, LLC ( Site 0005) | Brandon | Florida | 33511 | — |
| NeuroTrials Research Inc ( Site 0006) | Atlanta | Georgia | 30328 | — |
| Bogan Sleep Consultants ( Site 0001) | Columbia | South Carolina | 29201 | — |
| FutureSearch Trials of Neurology ( Site 0004) | Austin | Texas | 78731 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06179407, 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 Apr 13, 2026 · Synced May 19, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06179407 live on ClinicalTrials.gov.