Clinical investigation of heavy ion therapy system using scanning irradiation

Clinical investigation of heavy ion therapy system using scanning irradiation - Clinical investigation of heavy ion scanning system

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000005225

Enrollment

Registered

2011-03-15

Start date

2011-03-01

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

Malignant tumor

Interventions

New treatment system using heavy particle scanning irradiation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Patient with malignant tumor at the head and neck or pelvic region, for which heavy ion therapy with passive modulation can be applied 2)Heavy particle therapy can be applied without respiratory gating system 3)Without other severe medical problem and performance status of 0 or 1 4)Written informed consent

Exclusion criteria

Exclusion criteria: 1)Previous irradiation to the same site of the tumor 2)Expected prognosis within 6 months 3)Performance status more than or equal to 2 4)Active infection at the same site of the tumor 5)Other medical reasons for exclusion

Design outcomes

Primary

Measure	Time frame
Acute radiation toxicity	—

Secondary

Measure	Time frame
PET/CT imaging of autoactivation due to heavy particle irradiation Initial response of treated lesion	—

Countries

Japan

Contacts

Public ContactHiroshi Tsuji

National Institute of Radiological Sciences Research Center for Charged Particle Therapy

h_tsuji@nirs.go.jp043-206-3350

Outcome results

None listed

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