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NCT05953740 · ClinicalTrials.gov registry record · Phase 1

A Study of MK-5720 in Participants With Schizophrenia (MK-5720-001)

A Phase 1 study, sponsored by Merck Sharp & Dohme.

Completed
Registry status
Phase 1
Development phase
17
Enrollment target

NCT05953740: Completed Phase 1 study, sponsored by Merck Sharp & Dohme.

NCT05953740 is a Phase 1 study that has completed, run by Merck Sharp & Dohme. The registered enrollment target is 17 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (72% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05953740, a Phase 1 study, has completed, sponsored by Merck Sharp & Dohme.

COMPLETED
Registry status
Phase 1
Development phase
17 participants
Enrollment target

Study Summary

The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics (PK) of single ascending intramuscular doses of MK-5720, and the safety and tolerability of multiple once-daily oral doses of MK-8189, in participants with schizophrenia. The primary study hypothesis is that the administration of MK-5720 is safe and well tolerated.

Primary Outcome

An adverse event (AE) is defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The number of participants who experienced one or more AEs is reported here for participants in Period 1. Per protocol, this outcome measure has been reported by panel and dose. As specified by the protocol, Period 2 has been analyzed separately and reported later in the record.

Interventions

  • DRUG MK-8189
  • DRUG Placebo to MK-8189
  • DRUG MK-5720
  • DRUG Placebo to MK-5720

Trial Details

FieldValue
Enrollment Target 17 participants
Start Date 2023-09-15
Est. Completion 2024-02-15
Phase Phase 1
Merck Sharp & Dohme

558 total trials

What the finished NCT05953740 record still lists

NCT05953740 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 17 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (72% lower).

The record links to 0 conditions, and to 4 interventions - of which MK-8189 is the first listed.

NCT05953740 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05953740 about?

NCT05953740 is a clinical study titled "A Study of MK-5720 in Participants With Schizophrenia (MK-5720-001)". The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics (PK) of single ascending intramuscular doses of MK-5720, and the safety and tolerability of multiple once-daily oral doses of MK-8189, in participants with schizophrenia. The primary study hypothesis is that the ...

What is the current status of trial NCT05953740?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 17 participants. The study started on 2023-09-15. Estimated completion is 2024-02-15.

What interventions are being tested in trial NCT05953740?

The interventions under investigation include: MK-8189 (DRUG), Placebo to MK-8189 (DRUG), MK-5720 (DRUG), Placebo to MK-5720 (DRUG).

Who is sponsoring clinical trial NCT05953740?

This trial is sponsored by Merck Sharp & Dohme, which has 558 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05953740's enrollment target sits among peer trials

17 1785th of 2000 higher than 215 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT05953740, the US trial registry maintained by the National Library of Medicine. NCT05953740 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.