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Determination of the optimal windowing of the amino acid positron emission tomography in locationg/outlining of the target area for ratiation therapy in the follow-up exposure of a glioblastoma WHO grade IV

Determination of the optimal windowing of the amino acid positron emission tomography in locationg/outlining of the target area for ratiation therapy in the follow-up exposure of a glioblastoma WHO grade IV

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00003861
Enrollment
20
Registered
2015-10-23
Start date
2012-03-16
Completion date
Unknown
Last updated
2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

C71

Interventions

Group 1: We use anonymized PET pictures of patients who were treated at our clinic. Several experts and radiation oncologists will contoure the tumor and other structures in the scans with different d

Sponsors

Klinik für Strahlenheilkunde, Uniklinikum Freiburg
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients with recurrant glioblastoma Re-Irradiation Tumor visible on MRI and PET-CT

Exclusion criteria

Exclusion criteria: tumor mass larger than 6 cm

Design outcomes

Primary

MeasureTime frame
Interobserver variability of tumor delineation in different display mode—

Secondary

MeasureTime frame
volume und location of GTV (gross tumor volume)—

Countries

Germany

Contacts

Public ContactUrsula Nestle

Klinik für Strahlenheilkunde, Uniklinikum Freiburg

ursula.nestle@uniklinik-freiburg.de0761-270-95390

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026