A Pilot/Phase II Study of Gamma Knife Radiosurgery for Brain Metastases

Status Terminated

Clinical Trial Summary

The purpose of this study is to collect prospective data for use as a comparator for future subsequent studies attempting to increase the efficacy or reduce the toxicity of gamma knife radiosurgery.

Clinical Trial Description

The aims of this study are to pilot a study to measure local control after "rational dose" selected gamma knife radiosurgery for brain metastases and to measure treatment related toxicity for rational dose selected gamma knife radiosurgery for brain metastases. In addition, the quality of life and neurocognition of patients undergoing gamma knife radiosurgery will be measured using the validated European Organisation for Research and Treatment of Cancer QLQ-C30 and QLQ-BN20 survey instruments. "Rational dose selection" is a concept wherein doses used for stereotactic radiosurgery is selected based on tumor volume, prior irradiation with whole brain radiotherapy, and the relative radioresistance of the tumor (radioresistant = melanoma, renal cell carcinoma, sarcoma; radiosensitive = breast cancer, lung cancer, colorectal cancer, gastrointestinal cancers).

Eligible patients will have histologically confirmed cancer and MRI evidence of metastatic disease within the brain. Patients will be eligible for the trial if intracranial radiosurgery has been recommended for treatment of brain metastases. Patients will be excluded if they have an extremely radiosensitive tumor (leukemia, lymphoma), a radiosensitivity syndrome, a resection of a brain metastasis, or cannot tolerate the MRI or placement of a stereotactic head frame. All patients must sign informed consent.

Radiation will consist of gamma knife radiosurgery delivered using doses selected based on the concept of "rational dose selection" as summarized above. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02005614
Study type	Interventional
Source	Yale University
Contact
Status	Terminated
Phase	N/A
Start date	November 2013
Completion date	August 2018

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

A Pilot/Phase II Study of Gamma Knife Radiosurgery for Brain Metastases Using 3Tesla MRI and Rational Dose Selection

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms