Single-dose Novel Selective alpha2c Antagonist Pharmaco-MRI Study in Healthy Volunteers (SNAP_MRI)
The Effects of Single-dose Administration of a Novel Selective alpha2c Antagonist on Emotional and Cognitive Processing in Healthy Volunteers: an fMRI Investigation
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
Western Cape
-
Cape Town, Western Cape, South Africa, 7925
- UCT Dept. Psychiatry & Mental Health / CUBIC
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- good command of English language
- right handedness
- normal or corrected-to-normal vision
Exclusion Criteria:
- personal history or active presence of psychiatric conditions
- usage of psychotropic medication within the past 3 months
- pregnancy or breast-feeding status
- systolic blood pressure < 90 mmHg or > 140 mmHg at screening visit
- diastolic blood pressure < 50 mmHg or > 90 mmHg at screening visit
- resting heart rate < 45 beats/minute or > 100 beats/minute at screening visit
- active presence of medical condition at physical examination
- history of major traumatic brain injury
- any other contraindication to MRI of the brain
- use of psychoactive substances incl. alcohol in 24 hours prior to test session
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: High-dosage (60mg) ORM-12741
6 x 10 mg ORM-12741 immediate release capsules in a single dose
|
Novel selective alpha2c adrenoceptor antagonist
|
|
Experimental: Low-dosage (10mg) ORM-12741
1 x 10 mg ORM-12741 immediate release capsules and 5 x placebo capsules in a single dose
|
Novel selective alpha2c adrenoceptor antagonist
|
|
Placebo Comparator: Placebo
6 x placebo capsules in a single dose
|
Identical in appearance to experimental drug, not psycho-active
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Effect of ORM-12741 on BOLD signal in fMRI of the brain areas associated with emotional memory
Time Frame: 1-1.5 hours post medication intake
|
1-1.5 hours post medication intake
|
|
Effect of ORM-12741 on BOLD signal in fMRI of the brain areas associated with working memory
Time Frame: 1-1.5 hours post medication intake
|
1-1.5 hours post medication intake
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Effect of ORM-12741 on connectivity measures between brain areas as measured with BOLD signal in fMRI obtained in a resting state
Time Frame: 1.5-2 hours post medication intake
|
1.5-2 hours post medication intake
|
|
Effect of ORM-12741 on memory task performance (as measured by accuracy and response latency)
Time Frame: 1-3 hours post medication intake
|
1-3 hours post medication intake
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Principal Investigator: Dan J. Stein, MD, PhD, University of Cape Town
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
Other Study ID Numbers
- 069/2017
- N2/19/8/2 (Other Identifier: MCC South Africa)
- DOH-27-0218-5843 (Registry Identifier: SANCTR)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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.
Clinical Trials on Healthy Volunteer
-
NCT06830460Not yet recruitingHealthy Volunteer | Healthy Volunteer Study
-
NCT07623746Not yet recruitingHealthy Volunteer
-
NCT07604558Not yet recruiting
-
NCT07526519Recruiting
-
NCT07300020Not yet recruitingHealthy Volunteer
-
NCT07300033Not yet recruiting
-
NCT07300007Not yet recruiting
-
NCT07232004Recruiting
-
NCT07220122Recruiting
-
NCT07215078Recruiting
Clinical Trials on ORM-12741
-
NCT01068028Completed
-
NCT01324518CompletedAlzheimer's Disease
-
NCT00792493Completed
-
NCT02471196Completed
-
NCT00693316Completed
-
NCT00817544CompletedHealthy Male Volunteers