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chemoradiotherapy with air injection to the bladder for bladder cancer; a pilot study

chemoradiotherapy with air injection to the bladder for bladder cancer; a pilot study - CCRT with air injection to the bladder for bladder cancer

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000056979
Enrollment
20
Registered
2025-02-08
Start date
2020-09-01
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

bladder cancer

Interventions

Before radiation therapy, 200ml of air is injected into the bladder twice a week.

Sponsors

Division of radiation oncology Department of Radiology Juntendo University Urayasu Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: All patients who have been histologically diagnosed with bladder cancer with muscle invasion at our hospital and will undergo chemoradiotherapy for the purpose of cure.

Exclusion criteria

Exclusion criteria: Patients with a history of pelvic radiation therapy in the past. Patients with distant metastases. Patients with other uncontrolled malignant tumors. Patients who are deemed ineligible by the attending physician.

Design outcomes

Primary

MeasureTime frame
Acute adverse events, late adverse events Local control, 5-year survival rate, 5-year recurrence-free survival rate—

Countries

Japan

Contacts

Public ContactAnneyuko Saito

Juntendo University Urayasu Hospital Division of radiation oncology department of radiology

anne@juntendo.ac.jp047-353-3111

Outcome results

None listed

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