Image Guided and Breathing Adapted Radiotherapy of Early Stage Lung Cancer
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Purpose
The purpose of this study is to quantify the variation in tumour middle position during a course of stereotactic body radiotherapy (SBRT), and thereby be able to design radiotherapy margins that takes into account the full motion span throughout an entire course of SBRT.
| Condition | Intervention |
|---|---|
|
Lung Cancer |
Device: visicoil gold marker 0.7 x 20 mm |
| Study Type: | Interventional |
| Study Design: | Endpoint Classification: Safety Study Intervention Model: Single Group Assignment Masking: Open Label Primary Purpose: Basic Science |
| Official Title: | Image Guided and Breathing Adapted Radiotherapy of Early Stage Lung Cancer |
- motion of lung tumours [ Time Frame: 3 weeks ] [ Designated as safety issue: No ]
- toxicity of implanting gold coils into lung tumours [ Time Frame: 1 year ] [ Designated as safety issue: Yes ]
| Enrollment: | 15 |
| Study Start Date: | February 2009 |
| Study Completion Date: | April 2011 |
| Primary Completion Date: | April 2011 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
|
Experimental: Implantation of gold marker
CT guided implantation of gold marker into early stage lung tumors. Extra 4DCT scans and fluoroscopies during planning and the 3 fraction radiotherapy course.
|
Device: visicoil gold marker 0.7 x 20 mm
CT - guided implantation into lung tumors
Other Name: Gold Ancor
|
Detailed Description:
Lung tumours move with respiration. This must be considered when designing margins for radiotherapy. This movement can be quantified by fluoroscopy or 4DCT. It is possible to identify a tumour middle position for planning. This middle position will vary from day to day and the extent of this variation is not fully known. The aim of this study is to quantify the variation in tumour middle position during a course of stereotactic body radiotherapy (SBRT), and thereby be able to design margins for patients that take into account the full motion span throughout an entire course of SBRT Patients: 15 consecutive patients with inoperable low stage lung cancer or solitary metastases to the lung (1-2) referred for SBRT - 45 Gy/3 fractions.
Methods: A gold coil will be implanted into the lung tumour one week before the planning. At planning and all treatment days supplementary 4DCT of thorax and two orthogonal fluoroscopy sessions will be performed. Tumour motion in the superior-inferior, medio-lateral and cranio-caudal direction will be measured and variation in amplitude and baseline for the tumour motion will be reported.
Perspective: By examining the variation in tumour movement it will be possible design margins for SBRT, accounting for the full tumour motion span and minimizing the risk of geographical miss and thereby optimizing the chance for local tumour control.
Eligibility| Ages Eligible for Study: | 40 Years and older |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- tumor > 6 cm
- no more than 2 tumours
- histological proven non small celled lung cancer
- signed Informed Consent
Exclusion Criteria:
- Serious bleeding disorder
- Performance status 3-4
- Tumour close to large vessels (judged by interventional radiologist)
Contacts and Locations| Denmark | |
| Department of Radiation Oncology, Rigshospitalet | |
| Copenhagen, Denmark, 2100 | |
| Principal Investigator: | Gitte F Persson, MD | Rigshospitalet, Denmark |
| Study Chair: | Ditte E Nygaard, MSc | Rigshospitalet, Denmark |
| Study Chair: | Stine S Korreman, MSc PhD | Rigshospitalet, Denmark |
| Study Chair: | Lena Specht, MD DMSc | Rigshospitalet, Denmark |
More Information
No publications provided
| Responsible Party: | Gitte Fredberg Persson, MD PhD, Rigshospitalet, Denmark |
| ClinicalTrials.gov Identifier: | NCT00910546 History of Changes |
| Other Study ID Numbers: | HPCRT002, H-B-2007-016 |
| Study First Received: | May 28, 2009 |
| Last Updated: | December 27, 2012 |
| Health Authority: | Denmark: The Regional Committee on Biomedical Research Ethics Denmark: Danish Dataprotection Agency |
Keywords provided by Rigshospitalet, Denmark:
|
Lung Cancer Stereotactic radiotherapy Image guidance |
breathing adaption tumor motion implanted marker |
Additional relevant MeSH terms:
|
Respiratory Aspiration Lung Neoplasms Respiration Disorders Respiratory Tract Diseases Signs and Symptoms, Respiratory Signs and Symptoms |
Respiratory Tract Neoplasms Thoracic Neoplasms Neoplasms by Site Neoplasms Lung Diseases |
ClinicalTrials.gov processed this record on May 16, 2013