- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00706485
Intra-Operative Dural Brachytherapy With Yttrium-90 Plaque Applicators
October 18, 2016 updated by: Tom DeLaney, MD, Massachusetts General Hospital
The purpose of this clinical trial is to determine the feasibility of the Y-90 plaque applicator.
The Y-90 plaque application is designed to deliver high doses of radiation to tumors in the spine that involve dura (the tough outer layer of the spinal cord).
Tumors in the spine need a high dose of radiation to kill cancer cells.
The nearby spinal cord is a sensitive area which does not safely tolerate high doses of radiation.
The Y-90 plaque applicator is a special technique used to deliver the radiation dose to the tumor cells and avoid the spinal cord.
Study Overview
Status
Terminated
Conditions
Intervention / Treatment
Detailed Description
- The surgeon will remove the participants tumor from the outer layer of the spinal cord (dura). The Y-90 applicator and a "dummy" applicator will be brought to the surgery table in a protected container. A "dummy" applicator is the same size and shape as the Y-90 plaque applicator but does not contain radioactive plaque. The "dummy" applicator will be placed on the participants dura to make sure it fits properly, then it will be removed. The working Y-90 applicator will be placed on the dura for 10-17 1/2 minutes and then be removed.
- External beam irradiation is a type of high-energy radiation used to kill cancer cells and shrink tumors. This radiation will be given to the participant only if they have not had it prior to the study.
- After the treatment, participants will be asked to return for a follow-up visit 6 weeks, 3 months, every 6 months thereafter for 4 years, then annually to year 10. At these visits, they will have the following: physical examination; recent medical history; MRI or CT scan (twice each year) and; chest x-ray or chest CT (twice each year).
Study Type
Interventional
Enrollment (Actual)
5
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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Massachusetts
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Boston, Massachusetts, United States, 02115
- Massachusetts General Hospital
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Pathological diagnosis of malignant tumor involving spine with extraosseous extension or arising in paraspinal soft tissues with tumor involving or abutting the dura. Patients with a limited metastatic disease and tumor involving the spine or paraspinal soft tissues and who are judged to benefit from surgery will also be eligible.
- Lesion may be primary or recurrent after prior surgery
- No clinical, radiographic or other evidence of distant metastatic tumor
- Fit for receiving the planned radiation dose to the affected site. No known genetic disease or medical condition associated with an abnormal radiation sensitivity.
- 18 years of age or older
- KPS of 70 or greater (excluding consideration of poor function due to the local growth or systemic metabolic effects of the tumor
Exclusion Criteria:
- Disease/conditions characterized by high radiation sensitivity
- Pregnancy
- Evidence of cord/cauda malfunction for causes other than effect os local tumor growth or due to metabolic effects of tumor
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Dural brachytherapy plaque
Patients undergoing spine tumor resection will undergo dural plaque brachytherapy.
|
Placed on the dura during surgery for 10-17 1/2 minutes
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Number of Participants With Successful Titanium-enclosed and Differentially-loaded Y-90 Dural Brachytherapy Plaque Fabrication and Use
Time Frame: At time of procedure
|
At time of procedure
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Local Control
Time Frame: at 6 weeks and at three months after therapy, and every 6 months thereafter for four years, and then annually to year 10
|
Local failure is defined as: extension of the tumor margin[s] in any direction at least 5 mm beyond that present on the pre-treatment imaging studies or the appearance of -tumor in tissues previously scored as sites of sub-clinical disease.
Local control is absence of local failure.
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at 6 weeks and at three months after therapy, and every 6 months thereafter for four years, and then annually to year 10
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Marginal Failure.
Time Frame: up to 10 years
|
Marginal failure is defined as appearance of tumor growth at the margin of dural plaque.
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up to 10 years
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
July 1, 2007
Primary Completion (Actual)
April 1, 2010
Study Completion (Actual)
April 1, 2010
Study Registration Dates
First Submitted
June 25, 2008
First Submitted That Met QC Criteria
June 25, 2008
First Posted (Estimate)
June 27, 2008
Study Record Updates
Last Update Posted (Estimate)
October 19, 2016
Last Update Submitted That Met QC Criteria
October 18, 2016
Last Verified
October 1, 2016
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 07-007
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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