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Space-modulated proton therapy with polyglycolic acid spacer in pediatric tumor

Space-modulated proton therapy with polyglycolic acid spacer in pediatric tumor - Space-modulated proton therapy with polyglycolic acid spacer

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000039288
Enrollment
3
Registered
2020-01-29
Start date
2019-12-01
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

Pediatric solid malignant tumo

Interventions

Spacer replacement

Sponsors

Nagoya City University Graduate School of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients diagnosed with pediatric malignant solid tumor in abdominal or pelvic cavity. 2) The regions are limited and controlled. 3) Patients can be surgically replaced with PGA-spacer between the tumor and normal organ. 4) Patient age 30days or over 30 days and under 20 years. 5) Patients who can receive particle beam irradiation after PGA-spacer replacement. 6) Patients should obtain written consent if they are 16 years old or older. If they are under 16 years old, their proxies could do that for participation in this study.

Exclusion criteria

Exclusion criteria: 1) Patients with active and refractory infection at their irradiated site 2) Patients who have digestive ulcer at the site of irradiation. 3) Patients with severe liver or kidney disfunction 4) Patients who are pregnant, breast-feeding, or cannot agree with contraception during this study. 5) Patients who have PAG allergy. 6) Patients who are judged inappropriate by the researcher in this study.

Design outcomes

Primary

MeasureTime frame
Frequencies of non-hematological toxicity greater than grade 3 by CTCAE criteria

Secondary

MeasureTime frame
1) Proton beam treatment completion rate 2) Spacer withdrawal rate 3) Dose volume distribution 4) Change of extension of treatment period

Countries

Japan

Contacts

Public ContactMichi KAMEI

Nagoya City University Graduate School of Medical Sciences Department of Neonatology and Pediatrics

mkamei@med.nagoya-cu.ac.jp052-853-8246

Outcome results

None listed

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