Neoplasm, Metastatic
Conditions
Brief summary
The purpose of this research study is to evaluate typical tumor motion caused by breathing using MRI and can help determine whether simple passive breathing and/or breath-holding could be used for the future treatment of similar lung and liver tumors using radiation therapy radiosurgery techniques.
Interventions
Breath holding for diminished tumor motion.
Sponsors
Study design
Eligibility
Inclusion criteria
* The patient is enrolled on U8700 RSRB # A Phase II Study For Using Radiosurgery On Limited Metastases Of Breast Cancer or U9700 A Pilot Study For Using Radiosurgery On Limited Metastases. * ≥ 18 years of age * has given Informed consent
Exclusion criteria
-Contraindications for any MRI procedure
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Tumor Motion Related to Breathing as Determined From MRI Images | 20 - 30 seconds | 1. Determine the typical and maximal tumor 3D displacements over the respiratory cycle and how these values vary depending on the tumor location 2. Determine the reproducibility of target position over multiple breath-holds 3. Determine the variability across patients in respiratory-derived lesion motion and target position reproducibility over multiple breath-holds |
Countries
United States
Participant flow
Recruitment details
Subjects will be identified from patients seen in the Department of Radiation Oncology and who have previously consented to participate in URCC 8700 or URCC 9700.
Participants by arm
| Arm | Count |
|---|---|
| Group 1 MRI with Breath Hold | 10 |
| Total | 10 |
Baseline characteristics
| Characteristic | Group 1 |
|---|---|
| Age, Categorical <=18 years | 0 Participants |
| Age, Categorical >=65 years | 0 Participants |
| Age, Categorical Between 18 and 65 years | 10 Participants |
| Region of Enrollment United States | 10 participants |
| Sex: Female, Male Female | 6 Participants |
| Sex: Female, Male Male | 4 Participants |
Adverse events
| Event type | EG000 affected / at risk |
|---|---|
| deaths Total, all-cause mortality | — / — |
| other Total, other adverse events | 0 / 10 |
| serious Total, serious adverse events | 0 / 10 |
Outcome results
Tumor Motion Related to Breathing as Determined From MRI Images
1. Determine the typical and maximal tumor 3D displacements over the respiratory cycle and how these values vary depending on the tumor location 2. Determine the reproducibility of target position over multiple breath-holds 3. Determine the variability across patients in respiratory-derived lesion motion and target position reproducibility over multiple breath-holds
Time frame: 20 - 30 seconds
Population: Data were not analyzed due to study termination.