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Low pressure hyperbaric oxygen therapy

Paul G. Harch, M.D. · Phase 1 active Small molecule ✓ Verified May 2026

Low pressure hyperbaric oxygen therapy is a Small molecule drug developed by Paul G. Harch, M.D.. It is currently in Phase 1 development. Also known as: HBOT.

Low pressure hyperbaric oxygen therapy has been studied for various conditions, including Post-Concussion Syndrome, Traumatic Brain Injury, and Adult and Pediatric Chronic Cerebral Disorders, through ClinicalTrials.gov. The therapy involves the use of hyperbaric oxygen, as seen in studies such as NCT02089594, which investigated its effectiveness in treating mild Traumatic Brain Injury and Persistent Post-Concussion Syndrome.

Likelihood of approval
9.6% vs 9.6% industry baseline
If approved by FDA: likely 2033–2036
Steps remaining: Phase 2 → Phase 3 → NDA/BLA submission
Confidence: Medium
Why this estimate
  • Baseline phase 1 → approval rate +9.6pp
    Industry-wide phase 1 drugs reach approval ~9.6% of the time (BIO/Informa 2023 industry benchmark across all therapeutic areas).
Predicted approval windows by jurisdiction (conditional on FDA approval)
Regulator Country Likely year Lag vs FDA
FDA US 2033–2036
EMA EU 2034–2037 +0.7 yr
MHRA GB 2034–2037 +0.7 yr
Health Canada CA 2034–2038 +0.9 yr
TGA AU 2034–2038 +1.2 yr
PMDA JP 2034–2038 +1.5 yr
NMPA CN 2035–2039 +2.3 yr
MFDS KR 2034–2038 +1.4 yr
CDSCO IN 2034–2039 +1.8 yr
ANVISA BR 2035–2039 +2.3 yr

Hover any row for the lag rationale. Lag estimates are reduced when the drug has FDA Breakthrough or EMA PRIME designation (sponsors file globally in parallel).

Estimate based on the BIO/Informa industry phase transition rates plus per-drug modifiers for therapeutic area, sponsor type, FDA designations, mechanism, and trial design. Per-jurisdiction lags from Tufts CSDD international approval studies. Not investment, clinical or regulatory advice. Methodology: /methodology#likelihood.

At a glance

Generic nameLow pressure hyperbaric oxygen therapy
Also known asHBOT
SponsorPaul G. Harch, M.D.
ModalitySmall molecule
PhasePhase 1

Approved indications

No approved indications tracked.

Common side effects

No common side effects on file.

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about Low pressure hyperbaric oxygen therapy

What is Low pressure hyperbaric oxygen therapy?

Low pressure hyperbaric oxygen therapy is a Small molecule drug developed by Paul G. Harch, M.D..

Who makes Low pressure hyperbaric oxygen therapy?

Low pressure hyperbaric oxygen therapy is developed by Paul G. Harch, M.D. (see full Paul G. Harch, M.D. pipeline at /company/paul-g-harch-m-d).

Is Low pressure hyperbaric oxygen therapy also known as anything else?

Low pressure hyperbaric oxygen therapy is also known as HBOT.

What development phase is Low pressure hyperbaric oxygen therapy in?

Low pressure hyperbaric oxygen therapy is in Phase 1.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing