Comprehensive Assessment of Neurodegeneration and Dementia (COMPASS-ND)

January 15, 2026 updated by: Howard Chertkow, McGill University

The Comprehensive Assessment of Neurodegeneration and Dementia Study

This is a longitudinal observational study recruiting individuals between the ages of 50 and 90 with different types of dementia as well as a comparison group without cognitive deficits. Participants are/will be recruited at sites across Canada and will undergo assessments, neuroimaging, and biological sample collection.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Detailed Description

This is a longitudinal observational study that started in Phase I with the recruitment of 1173 participants between the ages of 50 and 90 years with Subjective Cognitive Impairment, Mild Cognitive Impairment, Mild Cognitive Impairment with subcortical vascular lesions, Alzheimer's Disease, Mixed dementia, Lewy Body Dementia, Parkinson's Disease Dementia, Parkinson's Disease with Mild Cognitive Impairment and Frontotemporal Dementia as well as healthy elderly subjects without cognitive complaints or deficits. These participants were enrolled in 30 different centres across Canada.

All subjects involved in the study underwent rigorous evaluations at baseline, including clinical assessment, neuropsychological assessment, genomics and neuroimaging. Biological samples from blood, saliva, urine, fecal matter, buccal cells and cerebrospinal fluid were collected, stored, and analyzed.

Longitudinal follow-up determining if there has been any change in their diagnosis was carried out annually and longitudinal re-evaluation was carried out at two times: Time 2 and Time 3.

In Time 3, 400 participants across the non-dementia cohorts (Cognitively Unimpaired, Subjective Cognitive Impairment, Mild Cognitive Impairment, Mild Cognitive Impairment with a Vascular Component, Parkinson's Disease with no Cognitive Impairment, Parkinson's Disease with Mild Cognitive Impairment) with up to 12 years of education will be recruited.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Estimated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
1573

Contacts and Locations

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

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Contact Backup

Study Locations

  • Canada
    • Alberta
      • Calgary, Alberta, Canada, T2N 1N4
      • Edmonton, Alberta, Canada, T6G 2B7
        • Recruiting
        • University of Alberta Hospital
        • Contact:
        • Contact:
    • British Columbia
      • Vancouver, British Columbia, Canada, V6T 1Z3
        • Recruiting
        • Djavad Mowafaghian Centre for Brain Health
        • Contact:
        • Contact:
      • Victoria, British Columbia, Canada, V8R 6R3
        • Not yet recruiting
        • Island Health
        • Contact:
          • Alexandre Henri-Bhargava, MD
          • Phone Number: (778) 265-6111
          • Email: alexhb@uvic.ca
        • Contact:
    • Nova Scotia
      • Halifax, Nova Scotia, Canada, B3E 2E1
    • Ontario
      • Hamilton, Ontario, Canada, L8L 2X2
        • Recruiting
        • Hamilton General Hospital
        • Contact:
      • London, Ontario, Canada, N6A 4V2
      • London, Ontario, Canada, N6C 5J1
      • Ottawa, Ontario, Canada, K1N 5C8
        • Active, not recruiting
        • Bruyere Research Institute
      • Peterborough, Ontario, Canada, K9H 2P4
        • Active, not recruiting
        • Kawartha Centre
      • Toronto, Ontario, Canada, M4N 3M5
        • Active, not recruiting
        • Sunnybrook Health Sciences Centre
      • Toronto, Ontario, Canada, M5T 2S8
        • Active, not recruiting
        • University Health Network Memory Clinic
      • Toronto, Ontario, Canada, M6A 1W1
      • Waterloo, Ontario, Canada, N2L 3G1
        • Active, not recruiting
        • University of Waterloo
    • Quebec
      • Montreal, Quebec, Canada, H3G 1A4
        • Active, not recruiting
        • Research Institute of the McGill University Health Centre
      • Montreal, Quebec, Canada, H3T 1E2
        • Recruiting
        • Jewish General Hospital/McGill Memory Clinic
        • Contact:
        • Contact:
      • Montreal, Quebec, Canada, H3W 1W5
      • Québec, Quebec, Canada, G1J 1Z4
      • Sherbrooke, Quebec, Canada, J1J3H5
        • Active, not recruiting
        • Centre de recherche sur le vieillissement CIUSSS de l'Estrie-CHUS

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

50 years to 90 years (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Sampling Method

Non-Probability Sample

Study Population

2300 English and/or French-speaking participants recruited from across Canada in the following groups:

  • 650 Cognitively healthy volunteers
  • 300 volunteers with Subjective Cognitive Decline
  • 400 volunteers with Mild Cognitive Impairment
  • 200 volunteers with Vascular Mild Cognitive Impairment
  • 150 volunteers with Alzheimer's disease
  • 200 volunteers with Dementia of Mixed Etiology
  • 200 volunteers with Parkinson's disease and cognitive impairment
  • 200 volunteers with Frontotemporal spectrum dementia

Description

Inclusion Criteria:

  • Has subjective or objective cognitive impairment
  • Written informed consent must be obtained and documented (from the patient or, where jurisdictions allow it, from a caregiver/family member)
  • Sufficient proficiency in English or French to undertake self report and neuropsychological testing
  • Geographic accessibility to the study site
  • Must have a study partner who can participate as required in the protocol (provide corroborative information)
  • Up to 12 years of education
  • Fits into one of the following groups: Cognitively Unimpaired, Subjective Cognitive Impairment, Mild Cognitive Impairment, Vascular Mild Cognitive Impairment, Parkinson's Disease, Parkinson's Disease with Mild Cognitive Impairment

Exclusion Criteria:

  • The presence of other significant known chronic brain disease such as: moderate to severe chronic static leukoencephalopathy (including previous traumatic injury), multiple sclerosis, a serious developmental handicap, malignant tumors, Parkinson's disease (other than for the Parkinson's cohort), and other rarer brain illnesses
  • Ongoing alcohol or drug abuse which in the opinion of the investigator may interfere with the subject's ability to comply with the study procedures
  • Symptomatic stroke within the previous year
  • Unable to undergo MRI scan due to medical contraindications or inability to tolerate the procedure

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

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Normal healthy elderly
participants with no subjective or objective cognitive deficits or decline.
Subjective Cognitive Decline
Participants with a complaint of subjective cognitive impairment, but no objective evidence of such.
Mild Cognitive Impairment (MCI)
Participants with objective evidence of cognitive impairment, but it does not impact on daily function.
Vascular MCI
Participants meeting criteria of MCI who also show signs of cerebrovascular disease on imaging but have no history of stroke.
Alzheimer's Disease
Participants with dementia of the Alzheimer's type according to the National Institute of Aging-Alzheimer's Association criteria
Dementia of Mixed Etiology
Participants with dementia and evidence of more than one etiology.
Lewy Body/Parkinson's spectrum
Participants with Parkinson's disease who show mild or moderate cognitive impairment and/or dementia.
Frontotemporal dementia (FTD) spectrum
Participants with behavioral variant FTD, primary progressive aphasia, progressive supranuclear palsy, or corticobasal syndrome

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Montreal Cognitive Assessment (MoCA) score
Time Frame: 8 years
change in MoCA total score. The MoCA is a test of global cognition scored out of 30 with a higher score indicating better performance. The minimum score is 0 and the maximum score is 30.
8 years

Collaborators and Investigators

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

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
McGill University

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Eli Lilly and Company
Sanofi
Pfizer
Canadian Institutes of Health Research (CIHR)
Saskatchewan Health Research Foundation
Nova Scotia Health Research Foundation
New Brunswick Health Research Foundation
Alzheimer Society of Canada
Michael Smith Foundation for Health Research
Canadian Consortium on Neurodegeneration in Aging
Ontario Brain Institute
Canadian Nurses Foundation (CNF)

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Director: Michael Borrie, MD, Western University
  • Study Director: Natalie Philips, PhD, Concordia University, Montreal
  • Study Director: Jaspreet Bhangu, MB, Western University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Helpful Links

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)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
June 1, 2016

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
November 1, 2023

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
December 1, 2029

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
January 11, 2018

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 11, 2018

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
January 18, 2018

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
January 20, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 15, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
November 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • CCNA 2015

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

Data will be shared initially with all Canadian Consortium on Neurodegeneration and Aging (CCNA) affiliated researchers and eventually with all interested researchers internationally.

IPD Sharing Time Frame

The data is currently available.

IPD Sharing Access Criteria

Reaserchers who which to access the database will be required to create an account through CCNA and demonstrate their research credentials and their affiliation to a recognized research organization. Users must confirm that their intended use of data respects CCNA policies and applicable ethical, legal, and data governance requirements. Researchers are further required to hold data secure, not to attempt the re-identification of research participants, and not to perform research that could cause communities to experience stigmatization or discrimination.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • ANALYTIC_CODE

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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