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Proton beams radiotherapy for cerebral arteriovenous malformations

Proton beams radiotherapy for cerebral arteriovenous malformations - AVM-Proton

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000006017
Enrollment
20
Registered
2011-09-01
Start date
2009-01-14
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

Cerebral Arteriovenous Malformation

Interventions

fractionated proton radiotherapy Either 36GyE/6frac or 45GyE/15frac is prescribed depending on size and location of AVM

Sponsors

Proton Medical Research Center, University of Tsukuba
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) The major axis of the nidus is 2.5cm or more, or the volume of the nidus is 10cc or more. 2) Surgical extirpation, interventional radiology or stereotactic radiosurgery are not indicated. 3) A period of 1 month or more has passed since the last surgery or interventional radiology. 3) Karnofsky performance scale is 70% or more. 4) Age is 75 years old or less. 5) The patient is well informed of the diagnosis and is able to tell his or her own will.

Exclusion criteria

Exclusion criteria: 1) History of radiotherapy to the same site. 2) The nidus is in contact with the optic nerve or chiasma. 3) Presence of severe intracranial hypertension due to cerebral hemorrhagy or edema. 4) Presence of severe medical complications which make the protocol impossible.

Design outcomes

Primary

MeasureTime frame
Safety Efficacy

Countries

Japan

Contacts

Public ContactClinical trial and research center

University of Tsukuba Clinical trial and research center

rinshokenkyu@un.tsukuba.ac.jp029-853-7100

Outcome results

None listed

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