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MI sarcoma

Feasibility study of dose-average LET optimized multi-ion radiotherapy for sarcomas

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs032220609
Enrollment
12
Registered
2023-02-06
Start date
2023-11-09
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

Bone and soft tissue sarcoma sarcoma

Interventions

Multi-ion radiotherapy

Sponsors

Imai Reiko
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Histologically diagnosed high-grade bone and soft tissue sarcomas, excluding chordoma. 2. Planning target volume is more than 400cm3. 3. Measurable target lesions in treatment-naive or recurrent cases 4. No extensive lymph node metastasis or distant metastasis. 5. PS (Performance Status) is 0 - 2. 6. Expected survival of 6 months or more. 7. Patients who understand the study and have given informed written consent to participate in this study. If the subject is a minor, the consent of a surrogate must be obtained.

Exclusion criteria

Exclusion criteria: 1.Patients with serious complications. 2.Patients with active double cancer. 3.Patients who have a history of radiation therapy to the target. 4.Patients with active infection in the irradiated area. 5.Patients who are judged by the physicians in charge to be inappropriate for this study for medical or other reasons.

Design outcomes

Primary

MeasureTime frame
Early adverse events in normal tissue

Secondary

MeasureTime frame
tumor response rate, late adverse events in normal tissue

Contacts

Public ContactReiko Imai

National Institutes for Quantum Science and Technology

imai.reiko@qst.go.jp+81-43-206-3306

Outcome results

None listed

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