C-11-Methionine-PET/CT evaluation of the occurrence of local recurrence and metastasis, and assessment of the prognosis regarding brain tumor, orbital tumor and head and neck region cancer treated by carbon ion radiotherapy

C-11-Methionine-PET/CT evaluation of the occurrence of local recurrence and metastasis, and assessment of the prognosis regarding brain tumor, orbital tumor and head and neck region cancer treated by carbon ion radiotherapy - Head and neck region methionine PET/CT clinical study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000009017

Enrollment

350

Registered

2012-10-01

Start date

2012-10-02

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

Brain tumor, orbital tumor, head and neck region cancer

Interventions

C-11-Methionine PET/CT, FDG-PET/CT if necessary

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Brain tumor, orbital tumor and head and neck region cancer patients planned for carbon ion radiotherapy

Exclusion criteria

Exclusion criteria: Patients regarded as unsuitable by responsible investigators

Design outcomes

Primary

Measure	Time frame
Tracer uptake in Methionine PET/CT study, occurrence of local recurrence and metastasis, and patient prognosis	—

Countries

Japan

Outcome results

None listed

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