New Brain Positron Emission Tomography Scanner with Semiconductor Detectors for Target Volume Delineation and Radiotherapy Treatment Planning in Patients with Nasopharyngeal Carcinoma

New Brain Positron Emission Tomography Scanner with Semiconductor Detectors for Target Volume Delineation and Radiotherapy Treatment Planning in Patients with Nasopharyngeal Carcinoma - New brain PET for RT planning in NPC patients

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000017256

Enrollment

Registered

2015-04-24

Start date

2010-06-24

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

Nasopharyngeal Carcinoma

Interventions

Positron Emission Tomography scanner with semiconductor detectors for target volume delineation and radiotherapy treatment planning

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Nasopharyngeal carcinoma patients who had been newly diagnosed 2) [18F]Fluoro- deoxyglucose-PET images were acquired using both the new brain PET system using semiconductor detectors and conventional whole-body bismuth germanate (BGO) scintillator system on the same day 3) Head and neck CT scan was performed

Exclusion criteria

Exclusion criteria: Unsuitable for enrollment judged by principal investigator

Design outcomes

Primary

Measure	Time frame
Absolute volumes of gross tumor volume delineated on PET images by using the two types of PET, Dose-volume histogram parameters of the two treatment plans	—

Countries

Japan

Contacts

Public ContactNorio Katoh

Hokkaido University Graduate School of Medicine Department of Radiation Medicine

noriwokatoh@med.hokudai.ac.jp81-11-706-5977

Outcome results

None listed

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