Usefulness of Bladder Volume Real-Time Monitoring System in Pelvic Image-Induced Radiation Therapy

Usefulness of Bladder Volume Real-Time Monitoring System in Pelvic Image-Induced Radiation Therapy - Dfree

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000048041

Enrollment

Registered

2022-08-01

Start date

2022-07-13

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

Patients receiving radiation therapy under bladder volume control

Interventions

Since the bladder dose volume, urinary intention awareness intensity, residual urine increase rate, etc. differ for each case, all trials of the D method, the on-time standby method, and the self-repo

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1 Patients receiving radiation therapy under bladder volume control 2 Patients who can measure by Dfree 3 Patients with possible urinary abstinence and self-urination

Exclusion criteria

Exclusion criteria: 1 Patients with anuria and oliguria. 2 Patients who have difficulty communicating with the patient

Design outcomes

Primary

Measure	Time frame
Volume difference between treatment plan CT and kVCT bladder volume at the time of treatment	—

Countries

Japan

Contacts

Public ContactYutaka Ohno

Kamagaya General Hospital Radiation therapy

chiken@kamagaya-hp.jp047-498-8111

Outcome results

None listed

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