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The comparison of the treatment results after 51.6 Gy (RBE) in 12 fractionated carbon-ion radiotherapy after long follow up duration -Passive technique vs Scanning technique-

The comparison of the treatment results after 51.6 Gy (RBE) in 12 fractionated carbon-ion radiotherapy after long follow up duration -Passive technique vs Scanning technique- - Long follow up 51.6Gy(RBE)in 12 fr. for prostate cancer

Status
Active, not recruiting
Phases
Unknown
Study type
Unknown
Source
JPRN
Registry ID
JPRN-UMIN000041880
Enrollment
260
Registered
2020-09-25
Start date
2020-09-10
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

Sponsors

National institutes for Quantum and Radiological Science and Technology
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: Localized prostate cancer cases who received carbon-ion radiotherapy of 51.6Gy(RBE)in 12 fractions in protcol 1002 (July 2010-October 2011) or protocol 9904-4 (April 2013-Febrary 2014)

Exclusion criteria

Exclusion criteria: Other than the above.

Design outcomes

Primary

MeasureTime frame
Biochemical relapse-free survival—

Countries

Japan

Contacts

Public ContactGoro Kasuya

QST hospital treatment section

kasuya.goro@qst.go.jp0432063306

Outcome results

None listed

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