Retrospective analysis of carbon ion radiation therapy for local recurrence after head and neck cancer reconstruction

Retrospective analysis of carbon ion radiation therapy for local recurrence after head and neck cancer reconstruction - Retrospective analysis of carbon ion radiation therapy for local recurrence after head and neck cancer reconstruction

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000043915

Enrollment

Registered

2021-04-15

Start date

2021-04-15

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

Head and neck cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Tumor diameter can be measured. PS is 2 or less.

Exclusion criteria

Exclusion criteria: Re-irradiation using carbon ions for recurrent after carbon-ion radiotherapy.

Design outcomes

Primary

Measure	Time frame
Local control rate, progression-free survival rate, overall survival rate	—

Secondary

Measure	Time frame
Frequency of side effects of reconstructed tissue	—

Countries

Japan

Contacts

Public ContactHiroaki Ikawa

National Institutes for Quantum and Radiological Science and Technology. QST hospital

ikawahiroaki@tdc.jp043-206-3306

Outcome results