Using hyperbaric oxygen therapy to improve symptoms of post COVID-19 condition

Improving Post COVID-19 Syndrome With Hyperbaric Oxygen Treatments (PCS-HBOT Study)

Not applicable Interventional Sunnybrook Health Sciences Centre · NCT06082518

This study is testing if hyperbaric oxygen therapy can help people with long-lasting fatigue after having COVID-19 feel better.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment40 (estimated)
Ages18 Years and up
SexAll
SponsorSunnybrook Health Sciences Centre Academic / other
Locations1 site (Toronto, Ontario)
Trial IDNCT06082518 on ClinicalTrials.gov

What this trial studies

This study investigates the effectiveness of hyperbaric oxygen therapy (HBOT) for individuals suffering from post COVID-19 condition, particularly focusing on chronic fatigue. Participants, who have been diagnosed with post COVID-19 condition at least three months after their initial infection, will undergo treatment in a monoplace hyperbaric chamber. The study aims to evaluate the feasibility of conducting a larger trial by assessing adherence to the treatment protocol and the potential impact of HBOT on symptoms. The findings could inform future research on HBOT as a viable treatment option for post COVID-19 syndrome.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older who have been officially diagnosed with post COVID-19 condition and experience persistent symptoms, particularly chronic fatigue, for at least three months.

Not a fit: Patients with contraindications to hyperbaric treatments or those with pre-existing cognitive difficulties may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly alleviate chronic fatigue and improve the quality of life for patients suffering from post COVID-19 condition.

How similar studies have performed: While hyperbaric oxygen therapy has shown promise in treating other conditions, its application for post COVID-19 syndrome is still being explored and is considered a novel approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age ≥ 18 years old
2. Officially diagnosed with post COVID-19 condition by a healthcare practitioner
3. At least three months since SARS-CoV-2 infection
4. Symptoms that persist more than 12 weeks:

   * Chronic fatigue (must include) along with one of the following symptoms:
   * Difficulty thinking or problem solving ('brain fog')
   * Stress or anxiety

Exclusion Criteria:

1. Contraindications/medically unfit to receive hyperbaric treatments at an outpatient facility (pneumothorax, in-patients, requiring infusions to maintain hemodynamics, active and unstable coronary disease)
2. Patients with cognitive difficulties and/or mental retardation before COVID diagnosis
3. History of traumatic brain injury
4. Unlikely to comply with follow-up assessments (e.g. no fixed address, plans to move out of town)
5. Known pregnancy or planning a pregnancy in women of childbearing age

Where this trial is running

Toronto, Ontario

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Post COVID-19 ConditionPost-COVID-19 SyndromePost-COVID SyndromeCOVID-19FatigueFatigue Syndrome, ChronicHyperbaric Oxygen TherapyHBOT
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.