The Effects of a Novel NMDA NR2B-Subtype Selective Antagonist, EVT 101, on Brain Function
A Double Blind, Placebo Controlled Study to Investigate the Role of NMDA Receptor NR2B Subunit Selective Antagonism on Cognitive Functions and Neurophysiology in Healthy Subjects as Measured With MRI
2 other identifiers
interventional
19
1 country
1
Brief Summary
The purpose of this study is to investigate the neurophysiological changes following single doses of EVT 101 using fMRI during rest and during cognitive tasks in young healthy male subjects.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1
Started Sep 2007
Shorter than P25 for phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2007
CompletedFirst Submitted
Initial submission to the registry
September 7, 2007
CompletedFirst Posted
Study publicly available on registry
September 10, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2007
CompletedFebruary 18, 2008
February 1, 2008
3 months
September 7, 2007
February 14, 2008
Conditions
Outcome Measures
Primary Outcomes (3)
Change in fMRI BOLD signal under baseline conditions and during activation by cognitive tasks
2-hours post dose
Change in regional cerebral blood flow (determined with ASL-MRI)after drug compared with placebo
2-hours post dose
Performance scores in the cognitive tests
2-hours post dose
Secondary Outcomes (1)
Safety, tolerability, adverse events, safety laboratory tests, ECG, vital signs
Up to 24 hours post dose and 5-7 days post last dose
Study Arms (3)
1
EXPERIMENTALEVT 101 8 mg capsule
2
EXPERIMENTALEVT 101 15 mg capsule
3
PLACEBO COMPARATORMatching placebo capsule
Interventions
Eligibility Criteria
You may qualify if:
- Healthy Male volunteers
- Body Mass Index between 19 and 29
You may not qualify if:
- Subjects who received any prescribed medication within 5 half lives or 14 days of the first dose administration whichever is the longer
- Subjects who have received any prescribed CNS medication or any medication known to chronically alter drug absorption or elimination processes within 30 days of first dose administration
- Participation in a clinical trial of an investigational drug within the past 4 months or of a marketed drug within the past 3 months
- History of allergy to NMDA antagonists or other clinically significant drug allergy
- Supine blood pressure and heart rate of higher than 140/90 mmHg and 90 bpm respectively or lower than 80/40 mmHg and 40 bpm
- Consumption of more than 21 units of alcohol per week or history of alcoholism or drug/chemical abuse
- Smokers of more than 5 cigarettes or equivalent per day
- Subjects who cannot complete the neuropsychological test battery
- Any clinically significant health deficit
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Evotec Neurosciences GmbHlead
- Richmond Pharmacology Limitedcollaborator
Study Sites (1)
Centre for Neuroimaging Science, Box 089, Institute of Psychiatry
London, SE5 8AF, United Kingdom
Study Officials
- PRINCIPAL INVESTIGATOR
Nigel Leigh, BSc MBBS Phd
Department of Clinical Neurosciences, Institute of Psychiatry
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
September 7, 2007
First Posted
September 10, 2007
Study Start
September 1, 2007
Primary Completion
December 1, 2007
Study Completion
December 1, 2007
Last Updated
February 18, 2008
Record last verified: 2008-02