Actively Recruiting
The HEROES Trial: Hyperbaric Oxygen Therapy for Endometriosis-Related Pain: A Prospective Randomized Study
Led by Sunnybrook Health Sciences Centre · Updated on 2026-04-15
64
Participants Needed
1
Research Sites
N/A
Total Duration
On this page
AI-Summary
What this Trial Is About
Endometriosis, is a condition where tissue from the uterus, called endometrium, grows outside of the uterus. This effects up to 10% of women, and can lead to long-lasting, moderate to severe pelvic pain, infertility and other symptoms. This can affect a woman's quality of life (including increased risk of depression and anxiety) and is associated with increased healthcare costs. Current treatments are often limited by serious side effects, and many women resort to surgery. Surgery is also associated with complications and there are long wait times for procedures, sometimes over 3 years. This means that many women continue to suffer from symptoms while they wait for surgery. Therefore, new effective treatments for endometriosis pain are needed. New research suggests that inflammation and stress caused by lack of oxygen in the affected areas may cause endometriosis. Hyperbaric Oxygen Therapy (HBOT), where patients are placed in a small chamber with higher than normal levels of oxygen, suppresses inflammation and promotes tissue healing. Because inflammation is central to this condition, HBOT has emerged as a potential treatment. In this study, the investigators will test if HBOT, in addition to the standard treatments, is more effective at treating endometriosis pain than the standard treatments alone.
CONDITIONS
Brief Title
The HEROES Trial: Hyperbaric Oxygen Therapy for Endometriosis-Related Pain
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Age ≥ 18 years old
- Patients having refractory pelvic pain (NRS≥4) secondary to endometriosis for >6 months
- May or may not be on traditional multi-modal treatment (pharmacological and/or non-pharmacological)
- On waitlist for surgical treatment
You will not qualify if you...
- Patients with chronic pain resulting from disease processes unrelated to the pathophysiology of endometriosis-related symptoms (e.g. irritable bowel syndrome, migraine headache, fibromyalgia, chronic low back pain, and musculoskeletal injuries)
- Contraindications/medically unfit to receive hyperbaric treatments at an outpatient facility (e.g. pneumothorax, in-patients, requiring infusions to maintain hemodynamics, active and unstable coronary disease)
- Unlikely to comply with follow-up assessments (e.g. no fixed address, plans to move out of town)
AI-Screening
AI-Powered Screening
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Trial Site Locations
Total: 1 location
1
Sunnybrook Health Sciences Centre
Toronto, Ontario, Canada, M4N 3M5
Actively Recruiting
Research Team
F
Fahad Alam, MD
G
Grace Liu, MD
How is the study designed?
Study Type
INTERVENTIONAL
Masking
DOUBLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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