Dosimetric analysis of Eustachian tube dysfunction and otitis media with effusion after carbon-ion radiotherapy for head and neck cancer

Dosimetric analysis of Eustachian tube dysfunction and otitis media with effusion after carbon-ion radiotherapy for head and neck cancer - Dosimetric analysis of Eustachian tube dysfunction and otitis media with effusion after carbon-ion radiotherapy for head and neck cancer

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000042262

Enrollment

160

Registered

2021-01-01

Start date

2021-01-01

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 cancers.

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with head and neck cancers treated with CIRT between October 2013 and December 2018 in our institution.

Exclusion criteria

Exclusion criteria: (1) parotid or external ear canal cancers; (2) less than 6 months follow-up; (3) the tumor invasion of either Eustachian tube, internal ear, middle ear cavity or external ear canal; (4) identification of mastoid cell opacification before CIRT; (5) less than 10% irradiation dose of the Eustachian tube or mastoid cell; and (6) the history of radiotherapy to the head and neck region.

Design outcomes

Primary

Measure	Time frame
Incidence rate of otitis media with effusion after carbon-ion radiotherapy.	—

Countries

Japan

Contacts

Public Contacttakashi kaneko

QST hospital Department of treatment

kaneko.takashi@qst.go.jp043-206-3306

Outcome results