Pilot Study of ORG 25935 Modulation of Ketamine-induced Behavioral and Cognitive Effects in Healthy Male Subjects

March 2, 2022 updated by: Deepak C. D'Souza, Yale University
Org 25935 is a new putative antipsychotic agent developed by N.V. Organon.The primary objective of this study is to investigate the effect of Org 25935 on ketamine-induced impairments in immediate recall.

Study Overview

Status

Completed

Conditions

Study Type

Interventional

Enrollment (Actual)

15

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Connecticut
      • West Haven, Connecticut, United States, 06516
        • Biological Studies Unit at the VA Connecticut Healthcare System, Yale School of Medicine

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 55 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Male

Description

Inclusion Criteria:

  • Male, 18 - 55 years

Exclusion Criteria:

  • History of sensitivity/idiosyncrasy to the drugs used in the study or chemically related compounds or excipients which may be employed in the study or to any other unknown drug used in the past.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Basic Science
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: 2
Oral administration of placebo and intravenous administration of ketamine (0.23 mg/kg bolus over 1 minute, followed by 0.58 mg/kg/hour x 30 minutes, followed by 0.29 mg/kg/hour x 69 minutes)
Active Comparator: 1
Oral administration of Org 25935 16 mg and intravenous administration of ketamine (0.23 mg/kg bolus over 1 minute, followed by 0.58 mg/kg/hour x 30 minutes, followed by 0.29 mg/kg/hour x 69 minutes)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Attenuation of ketamine-induced cognitive deficits by Org 25935
Time Frame: +20 to +100 minutes
+20 to +100 minutes

Secondary Outcome Measures

Outcome Measure
Time Frame
Attenuation of ketamine-induced schizophrenia-like psychotic symptoms, perceptual alterations, subjective high and deficits in attention and working memory by Org 25935.
Time Frame: 0 to +100 minutes
0 to +100 minutes
Investigation of interaction of polymorphisms of candidate genes e.g., BDNF, COMT with the effect of Org 25935 on ketamine induced psychotomimetic and amnestic deficits.
Time Frame: 0 to +100 minutes
0 to +100 minutes

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Collaborators

Investigators

  • Principal Investigator: Deepak C D'Souza, M.D., Yale University, School of Medicine, Department of Psychiatry

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 22, 2008

Primary Completion (Actual)

March 9, 2009

Study Completion (Actual)

March 9, 2009

Study Registration Dates

First Submitted

June 13, 2008

First Submitted That Met QC Criteria

June 17, 2008

First Posted (Estimate)

June 18, 2008

Study Record Updates

Last Update Posted (Actual)

March 3, 2022

Last Update Submitted That Met QC Criteria

March 2, 2022

Last Verified

March 1, 2022

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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