Efficacy and feasibility of re-irradiation with CyberKnife radiosurgery and stereotactic radiotherapy as a salvage treatment for in-field neck lymph node recurrences after conventional radiotherapy: a retrospective study

Efficacy and feasibility of re-irradiation with CyberKnife radiosurgery and stereotactic radiotherapy as a salvage treatment for in-field neck lymph node recurrences after conventional radiotherapy: a retrospective study - Efficacy and feasibility of re-irradiation with CyberKnife radiosurgery and stereotactic radiotherapy as a salvage treatment for in-field neck lymph node recurrences after conventional radiotherapy: a retrospective study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000031155

Enrollment

Registered

2018-03-01

Start date

2018-02-05

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

neck lymph node recurrences

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) diagnosed as recurrence from clinical course 2) evaluable lesions detected by CT or MRI 3) performance status 0 - 2 4) recurrence in the previous irradiation site

Exclusion criteria

Exclusion criteria: recurrences out-field radiotherapy

Design outcomes

Primary

Measure	Time frame
Incidence of acute toxicities	—

Secondary

Measure	Time frame
One-year local control, incidence of late toxicities, and overall survival rates.	—

Countries

Japan

Contacts

Public ContactDaijiro Kobayashi

Kanto Neurosurgical Hospital Cyber Center

m07201029@gmail.com048-521-3133

Outcome results