Phase I trial of hypofractionated intensity modulated radiotherapy in patients with low risk prostate cancer

Phase I trial of hypofractionated intensity modulated radiotherapy in patients with low risk prostate cancer - Phase I trial of hypofractionated intensity modulated radiotherapy in patients with low risk prostate cancer

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000010236

Enrollment

Registered

2013-04-01

Start date

2012-06-06

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

low risk prostate cancer

Interventions

Radiotherapy

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: *T2b or lower *No lymph node metastasis *No distant metastasis *initial PSA=10ng/ml or lower *Gleason Score=4+3 or lower *20 years old or older *Performance status (ECOG) 0 or 1 *No history of radiotherpay, chemotherapy, and hormonal therapy *Normal organ function *Infromed consent in writing

Exclusion criteria

Exclusion criteria: *Other malignant tumors within 5 years except for carcinoma in situ *Psychiatric disease *Long-term administration of steroidal drugs *Poorly-controlled diabetis (HbA1c=6.5% or more) *Active infectious disease *Cerebral apoplexy within 6 months

Design outcomes

Primary

Measure	Time frame
maximum tolerated dose and recommended dose	—

Countries

Japan

Contacts

Public ContactHiromichi Ishiyama

Kitasatoo university school of medicine Radiology and Radiation Oncology

hishiyam@kitasato-u.ac.jp042-778-8453

Outcome results

None listed

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