- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01392885
Brain Health and Exercise in Schizophrenia (PEHP)
Brain Health: Effects of Exercise on Hippocampal Volume and Memory Deficits in Persons With Schizophrenia
Study Overview
Status
Conditions
Detailed Description
This is a 12-week, randomized trial with two parallel groups. Throughout the trial, subjects will be treated on their prescribed dose of medication. Once informed consent is obtained, subjects and healthy volunteers will be randomly assigned to either an aerobic or a resistance exercise program (N = 30 per diagnostic group in each of two exercise conditions). Patients will continue to receive their antipsychotics and other prescribed medications. Healthy volunteer data will be used to establish normal exercise-induced neuroplasticity in a non-psychiatric, non-medicated population and to establish differences in retinal vessel integrity between patients and healthy volunteers. All training will be conducted at the UBC Hospital and at dedicated exercise training facilities at the University of British Columbia. All fitness assessments (based on the initial 6-minute walk test) and exercise sessions will be monitored by trained research assistants (RAs) under the guidance of the Canadian Society for Exercise Physiology-Certified Exercise Physiologists (CSEP-CEPs). The RAs will receive pre-study exercise training from the CSEP-CEPs. During the course of the study, the training intensity will be changed according to the individual participant's response and needs via the CSEP-CEPs and RAs.
Clinical data (current medications, current diagnoses, symptom profiles, resting heart rate, blood pressure, weight) will be collected on the hospital wards at baseline and follow-up. Neuroimaging and retinal imaging will be ascertained at the UBC MRI Research Centre at baseline and follow-up. Concurrent baseline assessments of executive functioning, memory capacity and crystallized IQ will be performed at baseline. Cognitive measures, excluding IQ, will be re-assessed at follow-up. Follow-up measures will only be collected in cases were patients are still available and willing to participate in study activities.
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Donna J Lang, PhD
- Phone Number: 4727 604-875-2000
- Email: donna.lang@ubc.ca
Study Locations
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British Columbia
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Vancouver, British Columbia, Canada, V6T 1Z3
- Recruiting
- UBC Hospital
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Contact:
- Ava Grier, BSc
- Phone Number: 7053444449
- Email: avagrier@student.ubc.ca
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Contact:
- Donna J Lang, PhD
- Phone Number: 4727 604-875-2000
- Email: dlang@interchange.ubc.ca
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Age 18 to 45 years
- Able to provide written, informed consent in English
- Patients may be on prescribed medications
- DSM-IV diagnosis of schizophrenia or schizoaffective disorder
- Normal visual acuity (or normal visual acuity achievable with corrective lenses)
- Physical ability to be engaged in a regular exercise program
Exclusion Criteria:
- A history of organic disorders (dementia, severe head injury, or developmental disorders such as autism, mental retardation, Down's Syndrome)
- A current DSM-IV diagnosis of substance dependence (during prior 12 months, excluding tobacco)
- Any history of DSM-IV diagnoses (Axis I) for other psychiatric disorders
- History of angina, heart attack or transient ischemic attacks
- Non-independent mobility or limb prostheses
- A history of severe head injury leading to loss of consciousness for > 5 minutes
- Contra-indications for neuroimaging (metal implants, non-removable orthodontic devices, severe claustrophobia, pregnancy, or surgeries within the previous 6 months)
- Currently already enrolled in a regular exercise program
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Increase hippocampal volume with aerobic training in schizophrenic and healthy volunteers.
Time Frame: Base-line, 8 and 12 weeks
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Hippocampal volumes will be measured from structural MRI scans.
T1-weighted 3D SPGR (spoiled gradient recalled) and high-resilution T2- weighted structural images will be obtained for the purposes of volumetric assessment of the hippocampi and the whole brain
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Base-line, 8 and 12 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Increases in hippocampal volumes will be positively associated with improvements in working memory performance in schizophrenia.
Time Frame: Baseline, Week 4, 8 and 12.
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The Hopkins Verbal Learning Test (HVLT), will be used to assess memory function.
Multiple versions of the HVLT exist (12) so practice effects will be minimized.
The Rey-Osterrieth Complex Figure Test (ROCF), in which subjects are asked to reproduce a complex line drawing from memory, will be used to assess attention and working memory.
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Baseline, Week 4, 8 and 12.
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Donna J Lang, PhD, University of British Columbia, Dept. of Radiology
- Study Chair: William G Honer, Professor, University of British Columbia, Dept of Psychiatry
- Study Chair: Allen Thornton, Unspecified, Simon Fraser University
- Study Chair: Darren Warburton, Ass. Prof, University of British Columbia, Dept. of Human Kinetics
- Study Chair: Alexandra T Vertinsky, Clin. Instr., University of British Columbia, Dept. of Radiology
- Study Chair: Alexander Rauscher, Ass. Prof., University of British Columbia, Dept. of Radiology
Publications and helpful links
General Publications
- Woodward ML, Gicas KM, Warburton DE, White RF, Rauscher A, Leonova O, Su W, Smith GN, Thornton AE, Vertinsky AT, Phillips AA, Goghari VM, Honer WG, Lang DJ. Hippocampal volume and vasculature before and after exercise in treatment-resistant schizophrenia. Schizophr Res. 2018 Dec;202:158-165. doi: 10.1016/j.schres.2018.06.054. Epub 2018 Jun 29.
- Kim DD, Lang DJ, Warburton DER, Woodward ML, White RF, Barr AM, Honer WG, Procyshyn RM. Heart-rate response to alpha2-adrenergic receptor antagonism by antipsychotics. Clin Auton Res. 2017 Dec;27(6):407-410. doi: 10.1007/s10286-017-0444-4. Epub 2017 Jul 3.
Study record dates
Study Major Dates
Study Start
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 231233-BSB
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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