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A pilot study of low-concentration hydrogen peroxide exposure radiotherapy for low radiosensitive tumors and bulky tumors that are unresectable and ineligible for standard chemotherapy

A pilot study of low-concentration hydrogen peroxide exposure radiotherapy for low radiosensitive tumors and bulky tumors that are unresectable and ineligible for standard chemotherapy

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs061220053
Enrollment
10
Registered
2022-08-30
Start date
2022-08-30
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Non-Hematologic Malignancies

Interventions

low-concentration hydrogen peroxide exposure radiotherapy

Sponsors

Tamaki Yukihisa
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Histologically diagnosed as Non-Hematologic Malignancies 2. It satisfies one of the following Low radiosensitive tumors (adenocarcinoma, sarcoma, melanoma, hepatocellular carcinoma, renal cell carcinoma) Bulky tumor >= 5cm (regardless of radiosensitivity) 3. Unresectable malignant tumor 4. Ineligible for standard chemotherapy and no alternative curative treatment 5. Measurable lesions exist 6. Age 20 years or older on the date of informed consent 7. ECOG performance status (PS) of 0-3. 8. The latest laboratory test within 28 days prior to enrollment a. WBC >=2000/micro L b. Platelet >=50000 / micro L c. Total bilirubin =90% 9. Written informed consent

Exclusion criteria

Exclusion criteria: 1. Hypersensitivity to hydrogen peroxide, sodium hyaluronate, Lidocaine or amide type local anesthetic 2. Uncontrollable infection 3. Disseminated intravascular coagulation 4. Unable to maintain the rest position for 20 minutes 5. Pregnant or possibly pregnant woman, or man who wants pregnancy of his partner 6. Psychological disorder difficult to participate in the study 7. Interstitial lung disease or Pulmonary fibrosis

Design outcomes

Primary

MeasureTime frame
Local control ratio

Secondary

MeasureTime frame
1. Overall Survival 2. Local Progression-Free Survival 3. Improvement ratio in symptoms 4. Evaluation of tumor progression 5. Proportion of adverse events 6. Proportion of serious adverse events

Contacts

Public ContactAtsushi Ue

Shimane University Hospital

uatsushi@med.shimane-u.ac.jp+81-853-20-2582

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026