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Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Pharmacokinetics Study of Elpipodect (MK-8189) in Participants With Schizophrenia and Healthy Participants (MK-8189-011)

ClinicalTrials.gov ID: NCT04506905

Public ClinicalTrials.gov record NCT04506905. 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 Sep 2, 2026, 6:28 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

A 2-Part Randomized Clinical Study to Evaluate the Safety, Tolerability and Pharmacokinetics of Alternate MK-8189 Titration Regimens in Young Adult Participants With Schizophrenia and to Evaluate the Safety, Tolerability and Pharmacokinetics of MK-8189 in Elderly Participants With Schizophrenia and Healthy Elderly

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a randomized, double-blind, 2-part clinical study of the safety, tolerability and pharmacokinetics of alternate elpipodect titration regimens. Part 1 assessed multiple dose once-daily titration regimens of elpipodect in young adult participants with schizophrenia. Part 2 assessed multiple once-daily doses of elpipodect in elderly participants with schizophrenia and healthy elderly participants.

Study identification

NCT ID
NCT04506905
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
63 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 80 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
Aug 27, 2020
Primary completion
Mar 21, 2022
Completion
Mar 21, 2022
Last update posted
Apr 28, 2026

2020 – 2022

United States locations

U.S. sites
6
U.S. states
4
U.S. cities
6
Facility City State ZIP Site status
Woodland Research Northwest, LLC ( Site 0002) Rogers Arkansas 72758-6442
Parexel ( Site 0004) Glendale California 91206
Collaborative NeuroScience Network ( Site 0008) Long Beach California 90806
Velocity Clinical Research, Hallandale Beach ( Site 0001) Hallandale Florida 33009
RCA at Fort Lauderdale Behavioral Health Center ( Site 0006) Oakland Park Florida 33334
Hassman Research Institute ( Site 0007) Berlin New Jersey 08009

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 NCT04506905, 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 28, 2026 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04506905 live on ClinicalTrials.gov.

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