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New schizophrenia pill enters human testing

NCT ID NCT07344948

Symptom relief Sponsor: Neurosterix Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early-stage study tests an experimental oral drug called NTX-253 in healthy volunteers and people with stable schizophrenia. The main goal is to check safety and how the body processes the drug. 73 adults aged 18–55 will take single or multiple doses to find the right dose range and identify any side effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

About 73 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2025

Expected to finish

May 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 55 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Primary Inclusion Criteria: * Male or non-pregnant, non-lactating female participants, ages 18-55 who are not of childbearing potential, with a truly abstinent lifestyle, or agrees to use medically acceptable forms of birth control * Part 1 a/b, Part 2 Cohort 7 only: Body mass index (BMI) within the range ≥18.0 to ≤30.0 kg/m2 * Participants in the food effect cohort must be willing to eat a single high fat breakfast * (Part 2 only): Stable schizophrenia participants (schizophrenia cohorts only) * Body mass index (BMI) within the range ≥17.5 to ≤36.0 kg/m2 * Positive and Negative Syndrome Scale (PANSS) total score \<80 at screening Primary Exclusion Criteria: * (Part 1a/b, Part 2 Healthy): History of or current clinically significant medical or mental illness * Cancer diagnosis/treatment in the past 7 years * Acute or chronic gastrointestinal conditions that would interfere with drug tolerance or absorption * Any clinically significant, abnormal 12 lead ECG * Part 2: Any primary DSM-5TR disorder other than schizophrenia * Participants with schizophrenia who are considered resistant/refractory to antipsychotic treatment by history; history of clozapine use.

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Conditions

The condition(s) this trial relates to.

schizophrenia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Healthy participants Schizophrenia diagnosis

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Collaborative Neuroscience Research, LLC - CenExel

    RECRUITING

    Los Alamitos, California, 90720, United States

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