Advanced Image Processing Tools for Motion and Dose Exposure Estimations of the Esophagus in Radiotherapy

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00016969

Enrollment

Registered

2019-04-05

Start date

2019-02-27

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

central lung tumors C34

Interventions

Group 1: This study has the aim to measure esophageal motion on 4D CT scans and evaluates whether the current clinical routine (contouring of the esophagus solely on 3D CT scans) covers the motion of

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: patients with treated central lung nodules, 4D CT imaging and in-house stereotactic radio therapy

Exclusion criteria

Exclusion criteria: all patients not meeting the inclusion criteria

Design outcomes

Primary

Measure	Time frame
creation of patient specific esophagus motion models with newly developed algorithms	—

Secondary

Measure	Time frame
evaluation of current clinical routine for discrimination of esophagus from surrounding tissues and estimation of motion amplitude	—

Countries

Germany

Contacts

Public ContactTobias Fechter

Department of Radiation Oncology

tobias.fechter@uniklinik-freiburg.de0761 270 94793

Outcome results

None listed

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