Actively Recruiting

Phase 2
Age: 18Years - 64Years
All Genders
NCT07193901

A Study to Evaluate the Efficacy, Safety, and Pharmacokinetic Characteristics of (R)-Ketamine Hydrochloride Nasal Spray in Patients With Depression and Acute Suicidal Ideation or Behavior

Led by Sichuan Purity Pharmaceutical Technology Co., Ltd. · Updated on 2026-01-22

98

Participants Needed

8

Research Sites

52 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The purpose of this study is to learn about: * To evaluate the efficacy of PRT-042 nasal spray for the Rapid Reduction of the depressive symptoms in adults with major depressive disorder (MDD) with acute suicidal ideation or behavior * To evaluate the safety and pharmacokinetic (PK) characteristics after multiple dose of PRT-042 nasal spray in adults with major depressive disorder (MDD) with acute suicidal ideation or behavior

CONDITIONS

Official Title

A Study to Evaluate the Efficacy, Safety, and Pharmacokinetic Characteristics of (R)-Ketamine Hydrochloride Nasal Spray in Patients With Depression and Acute Suicidal Ideation or Behavior

Who Can Participate

Age: 18Years - 64Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Adults aged 18 to 64 years
  • Meet DSM-5 criteria for Major Depressive Disorder without psychotic features confirmed by MINI
  • Current suicidal thoughts with intent confirmed by MINI questions B3 and B10
  • Montgomery Asberg Depression Rating Scale (MADRS) total score of at least 29 and item 10 score of at least 4 before dosing on Day 1
Not Eligible

You will not qualify if you...

  • Current diagnosis of bipolar disorder, antisocial personality disorder, or obsessive compulsive disorder
  • Current clinical diagnosis of autism, dementia, or intellectual disability
  • Current or past diagnosis of psychotic disorder or MDD with psychotic features
  • Moderate or severe substance or alcohol use disorder within 6 months before screening
  • Current or past treatment-resistant depression
  • Nasal conditions that may affect nasal spray absorption
  • History of cancer within 5 years before screening
  • Pregnant or breastfeeding or positive pregnancy test during screening
  • Participation in another clinical trial with investigational drug within 3 months prior to dosing

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 8 locations

1

BEIjing AnDing hospital capital medical university

Beijing, China

Actively Recruiting

2

Beijing AnDing hospital capital medical university

Beijing, China

Actively Recruiting

3

Beijing Huilongguan Hospital

Beijing, China

Actively Recruiting

4

The Fourth People's Hospital of Chengdu

Chengdu, China

Actively Recruiting

5

Hangzhou Seventh People's Hospital

Hangzhou, China

Actively Recruiting

6

The fourth affiliated hospital of Anhui medical university

Hefei, China

Actively Recruiting

7

The affiliated Kangning Hospital of Ningbo University

Ningbo, China

Actively Recruiting

8

Suzhou Guangji Hospital

Suzhou, China

Actively Recruiting

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Research Team

K

ke yao

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

4

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