Examination of the urethral position in the radiation therapy of the prostate cancer

Examination of the urethral position in the radiation therapy of the prostate cancer - Examination of the urethral position in the radiation therapy of the prostate cancer

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000036512

Enrollment

163

Registered

2019-04-18

Start date

2018-03-08

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

Prostate cancer

Interventions

None listed

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Patients with localized prostate cancer, and who take the RT-CT with a real-time tumor-tracking radiation therapy (RTRT) system.

Exclusion criteria

Exclusion criteria: When we take the RT-CT, patents who did not permit or enable us to insert an urethral catheter or a guide-wire, or who had troubles such as missing the catheter or the guide-wire

Design outcomes

Primary

Measure	Time frame
The amount and the direction of the urethral displacement on the planning CT images for radiation treatment (RT-CT) compared with and without urethral catheter.	—

Secondary

Measure	Time frame
When we divide the urethra into three segments (superior, median, and inferior), to identify the segments which show more urethral displacement.	—

Countries

Japan

Contacts

Public ContactYasuhiro Dekura

Graduate school of Medicine, Hokkaido University Department of Radiation Oncology

derideri.dekura@frontier.hokudai.ac.jp011-706-5977

Outcome results