- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03284619
First-In Man (FIM) Study MR-Linac (FIM MR-Linac)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a single center prospective proof of concept study including accuracy and safety aspects according to R-IDEAL stage 1 criteria. Five (5) patients with bone metastases will be treated with palliative intention in this study. Treatment will consist of a single fraction.
The MR linear accelerator (MRL) integrates a radiotherapy accelerator and a diagnostic quality 1.5T MRI, enabling soft-tissue visualization during the actual radiation delivery for improved targeting. This enables on-line treatment optimization for precise radiation delivery. Better visualization of the tumour targets and the surrounding healthy tissues, at the exact moment of treatment, makes it possible to adapt the dose to the actual anatomy while optimally sparing normal tissues.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
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Utrecht, Netherlands, 3584 CX
- University Medical Centre Utrecht
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
In order to be eligible to participate in this study, a patient must meet all of the following criteria:
- Painful bone metastases in the lumbar spine
- Radiographic evidence of bone metastases
- Histologic proof of malignancy (primary carcinoma)
- Karnofsky Performance Score ≥ 50
- Age ≥ 18 years
- Able to provide written informed consent
Exclusion Criteria:
A potential subject who meets any of the following criteria will be excluded from participation in this study:
- Prior radiation therapy within the region planned to be irradiated
- Contraindication for MRI according to screening protocol radiology department UMCU (e.g. cardiac pacemakers, and defibrillators, artificial heart valves or cochlear implants, https://richtlijn.mijnumc.nl/Beeld/MRI/Paginas/MRI-Veiligheid-Contra-indicaties.aspx
- Claustrophobia
- Standard systemic anti-cancer therapy or radionuclide therapy within 48 hours before or after treatment.
- Any other type of not standard systemic anti-cancer treatment, except for endocrine treatment.
- Unstable spine requiring surgical stabilization
- Neurological deficit due to bone metastasis
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: treatment arm
Single arm study, 5 patient with bone metastasis will be enrolled for palliative treatment with the Magnetic resonance imager linear accelerator (MR-Linac).
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The MR linear accelerator (MRL) integrates a radiotherapy accelerator and a diagnostic quality 1.5T MRI, enabling soft-tissue visualization during the actual radiation delivery for improved targeting.
This enables on-line treatment optimization for precise radiation delivery.
Better visualization of the tumour targets and the surrounding healthy tissues, at the exact moment of treatment, makes it possible to adapt the dose to the actual anatomy while optimally sparing normal tissues.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Safety of the treatment system (a dose distribution accuracy ≤ 5% will be considered acceptable). Incidence of acute toxicity (CTCAE grade 2 are higher) and incidence of Serious (unexpected) Adverse Events will be measured.
Time Frame: During treatment (Day 0). For patient safety patients will be contacted at day 1, week 2 and week 12 after treatment.
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Safety of the system: System behaves in accordance with the workflow and risk mitigation plan, Dosimetric safety: An independent dosimetry check before start irradiation (Oncentra) and an independent dosimetry during irradiation (second chamber) will be used. For the overall process a dose distribution accuracy ≤ 5% will be considered acceptable. Patients safety: by reporting any acute toxicity > grade 2 (according CTCAE version 4.0 for acute toxicity) and any Serious (Unexpected) Adverse Events (S(U)AE) within 12 weeks after treatment |
During treatment (Day 0). For patient safety patients will be contacted at day 1, week 2 and week 12 after treatment.
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Geometrical accuracy of targeting by online MR imaging
Time Frame: During treatment (day 0)
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Geometrical accuracy: will be checked online by using the MRI in combination with VolumeTool visualization and off-line by comparison of the EPID beam data with the prescribed beam data.
A positioning error of ≤ 5 mm will be considered acceptable
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During treatment (day 0)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Descriptive analysis of the clinical workflow by keeping a log book for the entire procedure.
Time Frame: During treatment (day 0)
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Feasibility of the clinical workflow: by keeping a log book for the entire procedure.
The validation of radiation delivery includes assessing the hardware performance and the See-Plan-Treat work flow for on-line MRI guided adaptive radiotherapy.
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During treatment (day 0)
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Patients comfort
Time Frame: immediately after treatment (day 0)
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Patient comfort during the MR-Linac treatment: by patient questionnaire.
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immediately after treatment (day 0)
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Ina Jürgenliemk-Schulz, MD, PhD, UMCU
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- MR-Linac-CIP-001 Version 2.0
- NL60984.041.17 (Other Identifier: CCMO)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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