Adding hyperbaric oxygen therapy to standard care for necrotizing soft-tissue infection
Official title: Adjunctive Hyperbaric Oxygen Treatment for Patients With Necrotizing Soft-Tissue Infection (HOT-NSTI Trial)
Run by Copenhagen University Hospital, Rigshospitalet · NCT07489274 · Data updated 2026-11-12
This trial will test if giving hyperbaric oxygen therapy in addition to surgery, antibiotics, and intensive care helps adults with confirmed necrotizing soft-tissue infection survive the first 30 days.
Quick facts
| Phase | Phase 4 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 1480 (estimated) |
| Sponsor | Copenhagen University Hospital, Rigshospitalet Academic / other |
| Locations | 2 sites (Antwerp, Edegem and 1 other locations) |
| Status | Recruiting |
| Started | April 4, 2026 |
| Main results expected | April 30, 2033 |
| Study ends | June 30, 2033 |
| Registry record updated | September 4, 2026 |
| Trial ID | NCT07489274 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults aged 18 or older with surgically confirmed necrotizing soft-tissue infection who can receive hyperbaric oxygen and who are not pregnant, not referred to palliative care, and provide consent are ideal candidates.
✕Probably not a fit
Patients with contraindications to hyperbaric oxygen (for example an undrained pneumothorax), confirmed pregnancy, those already in palliative care, or those who decline participation are unlikely to benefit from this trial.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
Necrotizing soft-tissue infection is a rare, rapidly progressing bacterial infection with high short-term mortality despite prompt surgery, antibiotics, and intensive care. HOT-NSTI compares adjunctive hyperbaric oxygen treatment plus the investigator's choice of standard care versus standard care alone in adults with surgically confirmed NSTI. The trial's primary outcome is 30-day all-cause mortality, with patients enrolled at specialist centers that provide hyperbaric oxygen facilities. The sponsor and collaborators include academic and regional hospitals in Belgium and Denmark and the lead site is University Hospital Antwerpen.
Why it matters
Potential benefit: If successful, adding hyperbaric oxygen could reduce early deaths and improve recovery for patients with necrotizing soft-tissue infection.
How similar studies have gone: Observational and non-randomized reports have suggested potential benefit from hyperbaric oxygen in NSTI, but randomized trial evidence has been lacking until now.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Adults (age ≥18 years) * Surgical confirmed NSTI (defined by perioperative tissue characteristics observed by the surgeon. The diagnosis is based on sign as necrotic or deliquescent soft tissue with widespread undermining of the surrounding tissue) Exclusion Criteria: * Contraindications for HBO2 treatment according to local protocol (e.g., undrained pneumothorax) * Confirmed pregnancy * Referred to palliative care * Previously randomized into the HOT-NSTI trial * Known objection by the patient to participate in the trial * Allergy against study drug
Where it's running
-
University Hospital Antwerpen
Antwerp, Edegem, Belgium Recruiting -
Haukeland University Hospital
Bergen, Norway Recruiting
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.