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Marker Guided Breathhold Radiotherapy in NSCLC

Proof of Concept Study Evaluating Safety and Performance of a Gel Marker (BioXmark) Used for Image Guidance in Deep Inspiration Breathhold Radiotherapy (DIBH IGRT) in Patients With Locally Advanced Non-small Cell Lung Cancer (NSCLC)

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02447900
Enrollment
15
Registered
2015-05-19
Start date
2014-07-31
Completion date
2020-06-30
Last updated
2021-01-29

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

Conditions

Non-Small Cell Lung Cancer

Brief summary

Proof of concept study evaluating safety and performance of a gel marker (BioXmark) used for image guidance in deep inspiration breathhold radiotherapy (DIBH IGRT) in patients with locally advanced non-small cell lung cancer (NSCLC)

Interventions

DEVICEBioXmark

Sponsors

Steen Riisgaard Mortensen
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Age \> 18 years old * Histologically confirmed non-small cell lung cancer (NSCLC) * Stage T1-4N1-3M0 * Performance status ≤ 2 * Inoperable * FEV1 ≥ 1 l * Ability to hold deep inspiration breathhold for \> 15 seconds * Accepting treatment at Rigshospitalet * Eligible for concomitant chemo-radiotherapy * If a woman is of childbearing potential, a negative pregnancy test must be documented * Ability to understand the given information * Signed written consent for inclusion into the study

Exclusion criteria

* Prior thoracic radiotherapy * Allergy to Iodine or iodine based contrast * In the opinion of the investigator, the patient will not be able to follow the study procedures or is considered not eligible for other reasons

Design outcomes

Primary

MeasureTime frameDescription
Visibility of the injected gel marker during the course of radiotherapy delivery3 monthsStability of the geometrical configuration and visibility of the injected gel marker in 2D kV x-rays and CBCT (cone-beam computed tomography) acquired throughout the treatment course and quantified by vectors and contrast to noise ratio (CNR)
Number of pneumothoraxes in relation to placement procedure of the gel0-1 week after placement of gelCounting number of pneumothoraxes caused in relation to the placement procedure of the gel

Countries

Denmark

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026