Prognostic factors of adenoid cystic carcinoma after carbon ion radiotherapy for the head and neck: the impact of histological subtypes.

Prognostic factors of adenoid cystic carcinoma after carbon ion radiotherapy for the head and neck: the impact of histological subtypes. - Prognostic factors of ACC after C-ion RT.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000024598

Enrollment

100

Registered

2016-11-01

Start date

2016-10-28

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

Adenoid cystic carcinoma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients treated with C-ion RT alone. All tumors were pathologically confirmed adenoid cystic carcinoma. The patients had medically inoperable tumors or declined surgery.

Exclusion criteria

Exclusion criteria: with active other carcinoma

Design outcomes

Primary

Measure	Time frame
5-year overall survival rate	—

Secondary

Measure	Time frame
5-year local control rate, Toxicities (acute and late)	—

Countries

Japan

Contacts

Public ContactMasashi Koto

National Institute of Radiological Science Hospital, National Institutes for Quantum and Radiologica National Institute of Radiological Science Hospital

koto.masashi@qst.go.jp043-206-3360

Outcome results