Showing all 37 studies.
Province can identify a site or study team; it does not establish who can enrol. Remote participation does not necessarily mean Canada-wide eligibility.
No studies match these filters. Try another province or reset the filters.
Recruitment status: confirm with teamInterviews / surveys
Long-Haul Campus Study — Western University
Ontario university students · Online questionnaire · Western University
Research comparing quality of life among Ontario university students with and without Long COVID, exploring lived experiences and what support students with Long COVID need for academic success.
Eligibility, participation and contacts
Open to full- or part-time students enrolled at an Ontario university (undergraduate, graduate or professional degree), who can read and write English and have access to an internet-connected device. The study includes students with and without Long COVID.
What participation involves
A short questionnaire taking 10 minutes or less. Participants may be compensated; the flyer does not guarantee payment or specify an amount.
Ask the study team
Varsha Vasudevan (study lead) · vvasude@uwo.ca
Dr. Jennifer Irwin (principal investigator) · jenirwin@uwo.ca
Source status: Information supplied in a Western University recruitment flyer. The study questionnaire URL was supplied from the flyer QR code; current recruitment and deadline have not been independently confirmed.
Source: Western University Long-Haul Campus Study recruitment flyer · Study questionnaire and participation information.
Recheck due. Confirm recruitment with the study team.
Listed as recruitingObservational study
University of York — language processing
UK research team · Remote / online · Canadian eligibility: ask the team
Online questions and language tasks explore how Long COVID affects language processing. Run by the University of York in the UK.
Eligibility, participation and contacts
Adults 18+, with or without Long COVID. The study asks whether English is your native language; the recruitment listing seeks native English speakers. No residency restriction is stated in the participant information. Listed here through Long COVID Web; confirm Canadian eligibility with the team. Across Canada describes online coverage, not a confirmed residency criterion.
What participation involves
About 15 minutes, including health questions, word recognition and a two-minute timed comprehension task. Unpaid; no individual scores or diagnostic assessment. You can stop before completion by closing the page. The information sheet says responses are anonymous and cannot be removed after completion; anonymised data may be reused and shared internationally.
Ask the study team
Dr Heidi Baseler, study supervisor · heidi.baseler@york.ac.uk
Study contact listed by Long COVID Web · NNK519@YORK.AC.UK
Source status: The study information page is available and Long COVID Web lists recruitment as active. No study team was contacted.
Study information and consent · Long COVID Web recruitment listing
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingInterviews / surveys
Long COVID Patient Experience Project
Canadian online participation · British Columbia research team · Remote / online
Canadian online survey about Long COVID symptoms and their effects on daily life. Participants can choose which questions to answer and return to share changes over time. This is observational research, not a treatment trial.
Eligibility, participation and contacts
The project invites people living in Canada with Long COVID symptoms. Confirm age requirements and full eligibility with the team; the reviewed public pages do not specify a minimum age. British Columbia identifies the research team, not a residency restriction.
What participation involves
Online questions can be completed selectively, with breaks and return visits. Account registration uses an email address. Review the study consent and privacy information before sharing health details; the FAQ also describes personal health number data. Compensation and the time required were not established in this check.
Ask the study team
Citizen Science research team · CitizenScience@arthritisresearch.ca · 1-844-707-4053
Source status: The official project page currently invites participation. This is website-based, not confirmation of an individual place by the research team.
Official Long COVID survey and participation page · Participant FAQ, privacy and withdrawal information
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingObservational study
Brain imaging after COVID-related depression
Toronto, Ontario · In person
Observational brain-imaging study in people with a new major depressive episode after COVID-19. Specific medication and health exclusions apply.
Eligibility, participation and contacts
Registered age range: 18 Years to 75 Years. Healthy comparison volunteers are also listed.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Centre for Addiction and Mental Health — Toronto, Ontario
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingClinical trial
Calgary — brain fog, Long COVID and POTS
Calgary, Alberta · In person
Tests whether intravenous saline changes cognitive performance in Long COVID and POTS. Healthy comparison participants are also included.
Eligibility, participation and contacts
Registered age range: 18 Years to 60 Years. Healthy comparison volunteers are also listed.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- University of Calgary — Calgary, Alberta
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingClinical trial
Cervicothoracic sympathetic block — Toronto
Toronto, Ontario · In person
Investigates a sympathetic nerve block for post-COVID condition. Site-specific recruitment differs between the two Toronto listings.
Treatment evidence: Stellate ganglion block (SGB)
Eligibility, participation and contacts
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Women's College Hospital — Toronto, Ontario
Site status: not yet recruiting. - Toronto Western Hospital — Toronto, Ontario
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingClinical trial
DNRS mind-body programme
Calgary, Alberta · Edmonton, Alberta · Confirm with team
Randomized study of the Dynamic Neural Retraining System in ME/CFS, including participants with Long COVID. The proposed mechanism and benefit remain research questions.
Eligibility, participation and contacts
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Peter Lougheed Hospital — Calgary, Alberta
Site status: recruiting. - University of Alberta Hospital/Kaye Edmonton Clinic — Edmonton, Alberta
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingObservational study
Investigating persistent breathlessness
Alberta · In person
University of Calgary research investigates the causes of breathlessness after COVID-19 using lung and cardiovascular assessments.
Eligibility, participation and contacts
Adults with persistent breathlessness more than 12 weeks after COVID-19; recovered volunteers and people with pulmonary hypertension may also qualify.
What participation involves
Includes chest X-ray, lung-function tests, CPET and right-heart catheterization with exercise. Ask about risks and PEM safeguards; contact 403-210-7861.
No detailed Canadian site list verified. Province shown identifies the study team or research focus; confirm where participation is available.
Ask the study team
Use the study page below for contact information.
Source status: team page lists recruiting. Availability and eligibility must be confirmed with the study team.
Institutional / study-team page
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingObservational study
IRCM post-COVID research clinic and biobank
Montreal, Quebec · In person
Follows recovery and organ-related outcomes after infection, with several comparison groups and a biobank. Quebec residency and other criteria apply.
Eligibility, participation and contacts
Registered age range: 18 Years to 100 Years. Healthy comparison volunteers are also listed.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Institut de Recherches Cliniques de Montreal — Montreal, Quebec
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingClinical trial
LC-REVITALIZE
Montreal, Quebec · Sherbrooke, Quebec · In person
International study of repurposed medicines, including upadacitinib and pirfenidone. Montreal and Sherbrooke are listed as recruiting; confirm which treatment arms are available locally.
Treatment evidence: Upadacitinib · Pirfenidone
Eligibility, participation and contacts
Registered age range: 18 Years to 65 Years.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Institut de Recherches Cliniques de Montréal (IRCM) — Montreal, Quebec
Site status: recruiting. - Centre de Recherche du CHUS (CRCHUS) — Sherbrooke, Quebec
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingInterviews / surveys
Long COVID experiences in emergency care
British Columbia · Confirm with team
Simon Fraser University is seeking accounts of care in British Columbia emergency departments and urgent care centres to help develop educational resources.
Eligibility, participation and contacts
People with Long COVID who have used BC emergency or urgent care. Ask the team about other criteria.
What participation involves
Format, time commitment and compensation: confirm with team.
No detailed Canadian site list verified. Province shown identifies the study team or research focus; confirm where participation is available.
Ask the study team
Source status: team page lists recruiting. Availability and eligibility must be confirmed with the study team.
Institutional / study-team page
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingObservational study
Long COVID, walking and balance
Ontario · In person
The RELEARN laboratory is recruiting people with Long COVID for gait and balance research. Contact the team for the current assessment schedule.
Eligibility, participation and contacts
People with Long COVID; detailed age and exclusion criteria need confirmation.
What participation involves
Ask about walking tasks, exertion, travel and PEM accommodations.
No detailed Canadian site list verified. Province shown identifies the study team or research focus; confirm where participation is available.
Ask the study team
Source status: team page lists recruiting. Availability and eligibility must be confirmed with the study team.
Institutional / study-team page
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingClinical trial
PNMR metabolic regulator
Brampton, Ontario · London, Ontario · Mississauga, Ontario · North York, Ontario · In person
Six-week randomized study comparing PNMR plus usual care with usual care alone. Clinic assessments and symptom diaries are part of participation.
Eligibility, participation and contacts
Registered age range: 19 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Cardio Health — Brampton, Ontario
Site status: recruiting. - Cardio Health — London, Ontario
Site status: recruiting. - Cardio Health — Mississauga, Ontario
Site status: recruiting. - Cardio Health — North York, Ontario
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingClinical trial
RECLAIM — Hi-OxSR breathing device
Edmonton, Alberta · Toronto, Ontario · Sherbrooke, Quebec · In person
Investigates a breathing device for persistent cognitive symptoms. RECLAIM lists enrolment as open; confirm your local site's availability because the website and older registry differ.
Treatment evidence: Hi-OxSR breathing device
Eligibility, participation and contacts
Recruitment check: RECLAIM's current-interventions page explicitly lists enrolment as open, and its contact page lists Toronto, Sherbrooke and Edmonton for Hi-OxSR. The older registry still marks Sherbrooke and Edmonton as not yet recruiting. Confirm local availability with the team; the website does not state an update date.
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Kaye Edmonton Clinic — Edmonton, Alberta
Registry site status: not yet recruiting. - University Health Network — Toronto, Ontario
Registry site status: recruiting. - Centre Hospitalier Universitaire de Sherbrooke — Sherbrooke, Quebec
Registry site status: not yet recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility · RECLAIM current sites and contacts · RECLAIM current interventions and enrolment
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingClinical trial
RECLAIM — hyperbaric oxygen
Toronto, Ontario · In person
Tests hyperbaric oxygen for Long COVID cognitive symptoms. Ask the team about chamber visits, travel and the assessment schedule.
Eligibility, participation and contacts
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- University Health Network — Toronto, Ontario
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility · RECLAIM current sites and contacts
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingClinical trial
RECLAIM — taurine
Edmonton, Alberta · Vancouver, British Columbia · Toronto, Ontario · Montreal, Quebec · Sherbrooke, Quebec · In person
Randomized trial testing taurine against placebo for Long COVID fatigue and cognitive symptoms over 12 weeks.
Treatment evidence: Taurine
Eligibility, participation and contacts
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- University of Alberta Hospital, Kaye Edmonton Clinic — Edmonton, Alberta
Site status: recruiting. - BC Women's Hospital — Vancouver, British Columbia
Site status: recruiting. - University Health Network — Toronto, Ontario
Site status: recruiting. - Institut de recherches cliniques de Montréal — Montreal, Quebec
Site status: recruiting. - Centre intégré universitaire de santé et de services sociaux de l'Estrie - Centre hospitalier universitaire de Sherbrooke — Sherbrooke, Quebec
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility · RECLAIM current sites and contacts
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingClinical trial
Stellate ganglion block — Trois-Rivières
Trois-Rivières, Quebec · In person
Randomized trial comparing a nerve block with a control injection, with symptom and functional assessments over 26 weeks.
Treatment evidence: Stellate ganglion block (SGB)
Eligibility, participation and contacts
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Centre hospitalier affilié universitaire régional — Trois-Rivières, Quebec
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Listed as recruitingObservational study
York University — taurine and circulation
Toronto, Ontario · In person
Examines vascular function and responses to upright posture before and after taurine supplementation. Registered as observational, although supplementation is involved.
Eligibility, participation and contacts
Registered age range: 18 Years to 65 Years.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- York University — Toronto, Ontario
Site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Upcoming / not yet recruitingClinical trial
Dapagliflozin for Long COVID
Read the dapagliflozin evidence summary
Ottawa, Ontario · Confirm with team
Planned randomized comparison of dapagliflozin with placebo over 12 months. Not yet recruiting; an estimated start date is not an invitation to enrol.
Eligibility, participation and contacts
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- University of Ottawa Heart Institute — Ottawa, Ontario
Site status: not specified.
Ask the study team
Registry start: 2026-09-01 (estimated). This may change.
Source status: not yet recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Upcoming / not yet recruitingClinical trial
FALCON — Lightning Process and activity pacing
Ontario · Remote
Planned online randomized comparison for Long COVID. McMaster-led; no Canadian site list is published. Confirm geographic eligibility with the team. LCAC has a separate campaign concerning this trial.
Eligibility, participation and contacts
Registered age range: 18 Years to 65 Years.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Online delivery is planned; geographic eligibility and PEM accommodations need confirmation.
No detailed Canadian site list verified. Province shown identifies the study team or research focus; confirm where participation is available.
Ask the study team
Registry start: 2026-11 (estimated). This may change.
Source status: not yet recruiting. Availability and eligibility must be confirmed with the study team.
LCAC’s separate FALCON campaign. Inclusion here is not an endorsement.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Ongoing — not recruitingObservational study
CANCOV Canadian follow-up cohort
Calgary, Alberta · Vancouver, British Columbia · Winnipeg, Manitoba · Etobicoke, Ontario · Hamilton, Ontario · Ottawa, Ontario · Toronto, Ontario · Montreal, Quebec · Sherbrooke, Quebec · Confirm with team
Tracks recovery and longer-term outcomes in people who had COVID-19 and family caregivers. Ongoing follow-up; not accepting new participants.
Eligibility, participation and contacts
Registered age range: 16 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Alberta Health Services — Calgary, Alberta
Site status: not specified. - Providence Healthcare — Vancouver, British Columbia
Site status: not specified. - Health Sciences Centre and St. Boniface Hospital and Grace Hospital — Winnipeg, Manitoba
Site status: not specified. - William Osler Health System — Etobicoke, Ontario
Site status: not specified. - St Joseph's Health Centre — Hamilton, Ontario
Site status: not specified. - The Ottawa Hospital — Ottawa, Ontario
Site status: not specified. - Unity Health (St Michaels Health Centre_ — Toronto, Ontario
Site status: not specified. - Mount Sinai Hospital — Toronto, Ontario
Site status: not specified. - University Health Network, Osteoporosis Department — Toronto, Ontario
Site status: not specified. - Hospital for Sick Children — Toronto, Ontario
Site status: not specified. - Michael Garron Hospital — Toronto, Ontario
Site status: not specified. - McGill University Health Centre — Montreal, Quebec
Site status: not specified. - Montreal Jewish General — Montreal, Quebec
Site status: not specified. - University of Sherbrooke — Sherbrooke, Quebec
Site status: not specified.
Ask the study team
Use the study page below for contact information.
Source status: active not recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Ongoing — not recruitingClinical trial
Dietary oils and cognitive symptoms
Edmonton, Alberta · In person
Compares supplemental oils and follows cognitive symptoms after COVID-19. Includes cognitive and imaging assessments; recruitment is closed.
Eligibility, participation and contacts
Registered age range: 22 Years to 50 Years.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- University of Alberta — Edmonton, Alberta
Site status: not specified.
Ask the study team
Use the study page below for contact information.
Source status: active not recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Not yet recruitingClinical trial
TaurineLCPeds — adolescent taurine study
Alberta sponsor · Study sites unconfirmed
University of Alberta-led, open-label study for ages 10–17. Health Canada and research ethics approvals are pending. There is no firm recruitment date; study sites remain unconfirmed.
Treatment evidence: Taurine
Eligibility, participation and contacts
Registered age range: 10 Years to 17 Years.
Age is only one criterion. The study requires participant assent and parent/guardian consent; the team must assess eligibility.
What participation involves
Three months of supplementation with blood sampling and symptom/cognitive assessments. Ask about study locations, visit schedule, accessibility, travel and current opening date. The primary outcome is change in blood taurine, not proof of symptom benefit.
Canadian sites
Alberta identifies the study sponsor; participant locations and travel requirements are unconfirmed. No study locations are posted.
Ask the study team
Source status: not yet recruiting. Study team confirmed pending approvals and no firm recruitment date on 15 October 2026.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Ongoing — not recruitingClinical trial
Hyperbaric oxygen for post-COVID symptoms
Toronto, Ontario · In person
Studies hyperbaric oxygen treatment for post-COVID symptoms. Follow-up is ongoing; the registry says new participants are not being accepted.
Eligibility, participation and contacts
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Sunnybrook Health Sciences Centre — Toronto, Ontario
Site status: not specified.
Ask the study team
Use the study page below for contact information.
Source status: active not recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
PausedClinical trial
Swimming tolerance in ME/CFS and related conditions
Burnaby, British Columbia · Remote
Remote pilot examining responses to self-paced swimming in selected people with mild-to-moderate illness. The registry currently says suspended.
Eligibility, participation and contacts
Registered age range: 18 Years to 80 Years. Healthy comparison volunteers are also listed.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Simon Fraser University — Burnaby, British Columbia
Site status: not specified.
Ask the study team
Use the study page below for contact information.
Source status: suspended. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationObservational study
Autoimmunity after COVID-19
Hamilton, Ontario · In person
Observational research into immune changes and persistent symptoms. Overall registry status is unknown despite an old recruiting label on the Hamilton site.
Eligibility, participation and contacts
Recruitment check: The registry remains unknown, with no update since 14 February 2023. The Hamilton site's old recruiting label does not confirm openings now. Contact details are registry-listed, not verified by a team reply.
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- St. Joseph's Healthcare Hamilton — Hamilton, Ontario
Registry site status: recruiting.
Ask the study team
Source status: unknown. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationObservational study
CommUNIT: underrepresented communities
Ontario · Confirm with team
McMaster-led research examines post-COVID condition and diagnostic challenges among racialized, multi-ethnic and recently immigrated communities.
Eligibility, participation and contacts
Recruitment check: The December 2024 poster remains listed, but no newer study-team recruitment confirmation was found. The linked project website could not be retrieved during this check. Use the poster's phone or email to ask about availability.
Greater Toronto/Hamilton residents from the named communities, aged 18 or older at a positive COVID infection.
What participation involves
Compensation offered; schedule and format unspecified. December 2024 poster needs current recruitment confirmation.
No detailed Canadian site list verified. Province shown identifies the study team or research focus; confirm where participation is available.
Ask the study team
Source status: network listing requires confirmation. Availability and eligibility must be confirmed with the study team.
Research-team recruitment poster · Long COVID Web listing
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationClinical trial
Education and mindfulness for self-management
Toronto, Ontario · Remote
Compares group programmes for managing Long COVID symptoms. The recruiting record is old and its estimated completion has passed.
Eligibility, participation and contacts
Recruitment check: The registry still says recruiting, but was last updated 25 November 2024 and its estimated December 2025 completion has passed. No newer study-team confirmation of openings was found.
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Toronto Rehabilitation Institute — Toronto, Ontario
Registry site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationInterviews / surveys
Fatigue, self-care and mental health
Alberta · Saskatchewan · Manitoba · Remote
University of Saskatchewan interviews and a survey explore fatigue and self-care after COVID-19.
Eligibility, participation and contacts
Recruitment check: The research-team poster and Long COVID Web listing remain available, but do not give a current recruitment confirmation date. Ask the listed investigator whether places remain.
Ages 30–55 in the Prairie provinces, with post-COVID fatigue and mental health challenges; internet and family-doctor access required.
What participation involves
A 30–45 minute survey and two 45–60 minute video interviews; poster offers $50. Confirm availability.
No detailed Canadian site list verified. Province shown identifies the study team or research focus; confirm where participation is available.
Ask the study team
Source status: network listing requires confirmation. Availability and eligibility must be confirmed with the study team.
Research-team recruitment poster · Long COVID Web listing
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationObservational study
Following Long COVID fatigue over time
Ontario · Remote
Western University researchers follow fatigue and usual-care costs over 24 weeks.
Eligibility, participation and contacts
Recruitment check: The March 2025 poster remains listed. Its team, 24-week duration and description overlap with the observational recruitment approach in the PREFACER protocol. This may be a linked listing, not a separate study; ask the team to confirm.
Adults with fatigue after COVID-19 who speak English and can use internet-based video calls. Geographic eligibility needs confirmation.
What participation involves
Poster dated March 2025. Confirm the current schedule, recruitment and compensation.
No detailed Canadian site list verified. Province shown identifies the study team or research focus; confirm where participation is available.
Ask the study team
Source status: network listing requires confirmation. Availability and eligibility must be confirmed with the study team.
Research-team recruitment poster · Long COVID Web listing · PREFACER protocol — possible related listing
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationClinical trial
Nerve block for post-COVID smell distortion
London, Ontario · In person
Trial of a stellate ganglion block for persistent parosmia. Registry status is unknown; an old London site listing is not current recruitment confirmation.
Eligibility, participation and contacts
Recruitment check: The registry remains unknown, with no update since 23 October 2024. Its estimated May 2026 completion has passed. The London site's old recruiting label does not confirm current openings.
Registered age range: 18 Years to 70 Years.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- St. Joseph's Hospital London — London, Ontario
Registry site status: recruiting.
Ask the study team
Source status: unknown. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationInterviews / surveys
Patient perspectives on diagnostic biomarkers
British Columbia · Remote or in person
UBC researchers seek patient and clinician perspectives to inform blood-based diagnostic research. This listing is for an interview, not access to a validated diagnostic test.
Eligibility, participation and contacts
Recruitment check: An August 2026 researcher update says a patient/clinician qualitative study was under review. The older interview poster does not establish that this recruitment is still open; ask whether it has ended or moved to another phase.
Adults with diagnosed or suspected Long COVID, or clinicians with diagnostic experience. Geographic eligibility needs confirmation.
What participation involves
A screening questionnaire and roughly 30-minute interview by Zoom or in person; compensation offered, amount unspecified.
No detailed Canadian site list verified. Province shown identifies the study team or research focus; confirm where participation is available.
Ask the study team
Source status: network listing requires confirmation. Availability and eligibility must be confirmed with the study team.
Research-team recruitment poster · Long COVID Web listing · Researcher's August 2026 project update
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationInterviews / surveys
Person and family-centred Long COVID care
Across Canada · Remote
University of Toronto researchers interview people with Long COVID, caregivers and healthcare professionals about how care should be organized.
Eligibility, participation and contacts
Recruitment check: The recruitment poster remains available and the team presented related work in April 2026. Neither confirms that interviews are still open. Ask the team about current recruitment.
Canadian adults with Long COVID, eligible caregivers or healthcare professionals; English communication required.
What participation involves
One approximately one-hour telephone or video interview. Poster dated September 2024; current recruitment needs confirmation.
No detailed Canadian site list verified. Province shown identifies the study team or research focus; confirm where participation is available.
Ask the study team
Source status: network listing requires confirmation. Availability and eligibility must be confirmed with the study team.
Research-team recruitment poster · Long COVID Web listing · University of Toronto 2026 research presentations
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationClinical trial
PREFACER rehabilitation trial
London, Ontario · Remote sessions and in-person assessments
Compares an eight-week rehabilitation programme with usual care for fatigue after COVID-19. Includes exercise sessions; ask about PEM screening and stopping rules.
Eligibility, participation and contacts
Recruitment check: The registry still says recruiting, but was last updated 1 August 2025 and its estimated April 2026 completion has passed. The published protocol does not confirm current openings. Ask whether the separate Western fatigue poster is recruitment for this trial.
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
The published protocol describes two 50-minute remote rehabilitation sessions weekly for eight weeks, follow-up over 24 weeks, and in-person assessments including brain-stimulation testing at Parkwood. Ask about PEM screening, stopping rules, travel and the current schedule.
Canadian sites
- Parkwood Hospital - St. Joseph's Health Care London — London, Ontario
Registry site status: recruiting.
Ask the study team
Source status: recruiting. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility · PREFACER published protocol
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationClinical trial
S-1226 for persistent respiratory symptoms
Alberta · Confirm with team
Older planned trial for respiratory symptoms after COVID-19. No current site list or recruitment confirmation was found; retained for transparency.
Eligibility, participation and contacts
Recruitment check: The registry remains unknown, with no update since 23 August 2021. Its last known status was not yet recruiting and no sites are listed. The old planned dates do not establish an upcoming opportunity.
Registered age range: 18 Years to 80 Years.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
No detailed Canadian site list verified. Province shown identifies the study team or research focus; confirm where participation is available.
Ask the study team
Source status: unknown. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationClinical trial
Tailored physiotherapy pilot
Calgary, Alberta · Confirm with team
Studies a tailored physiotherapy programme for persistent symptoms after COVID-19. The old registry entry does not establish current availability.
Eligibility, participation and contacts
Recruitment check: The registry remains unknown (last updated 29 August 2023); its last known status was active, not recruiting. Results from this registered pilot have since been published. No current invitation to enrol was found.
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Peter Lougheed Centre (PLC), University of Calgary — Calgary, Alberta
Registry site status: not specified. - Rockyview General Hospital, University of Calgary — Calgary, Alberta
Registry site status: not specified.
Ask the study team
No public study contact was listed in the registry. Check the source for updates.
Source status: unknown. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility · Published pilot results (2025)
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.
Needs confirmationClinical trial
Technology-supported rehabilitation
Ottawa, Ontario · Confirm with team
Evaluates rehabilitation supported by wearable technology for people receiving Long COVID care at The Ottawa Hospital. Current recruitment is unverified.
Eligibility, participation and contacts
Recruitment check: The registry remains unknown (last updated 3 July 2024); its last known status was active, not recruiting. The lab study link returned a missing-page response. Neither establishes current enrolment.
Registered age range: 18 Years and older.
Age is only one criterion. Read the full inclusion and exclusion criteria and ask the study team to assess eligibility.
What participation involves
Ask the study team about visits, time, travel, compensation, accessibility and any exertion or testing requirements.
Canadian sites
- Ottawa Hospital Research Institute — Ottawa, Ontario
Registry site status: not specified.
Ask the study team
No public study contact was listed in the registry. Check the source for updates.
Source status: unknown. Availability and eligibility must be confirmed with the study team.
ClinicalTrials.gov record and eligibility
Recheck due. Recruitment details may have changed since this listing was checked. Confirm with the study team.