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Clinical Trial 21193

Cancer Type: Neurologic Oncology
Study Type: Treatment
NCT#: NCT05267587

Phase: Phase II
Principal Investigator: Yu, Hsiang-Hsuan (Michael)

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Overview

Study Title

Pre-operative Hypofractionated Stereotactic Radiosurgery for Resectable Brain Metastases

Summary

Objective

Primary: To estimate time to local failure (TTLF) in patients with resectable brain metastases treated with pre-operative hypofractionated stereotactic radiosurgery followed by surgery, and to compare TTLF in this population to that of historical controls. Secondary Objectives: 1. To estimate the time to development of leptomeningeal disease (TTLMD) or death of patients with resectable brain metastases treated with pre-operative hypofractionated stereotactic radiosurgery followed by surgery, and to compare TTLMD in this population to that of historical controls. 2. To estimate the overall survival (OS) time among patients with resectable brain metastases treated with pre-operative hypofractionated stereotactic radiosurgery followed by surgery. 3. To estimate the time to distant brain failure (TTDBF) among patients with resectable brain metastases treated with pre-operative hypofractionated stereotactic radiosurgery followed by surgery, and to compare TTDBF in this population to that of historical controls. 4. To assess 12-month changes in neurocognitive function as measured by the Hopkins Verbal Learning Test (HVLT), Controlled Oral Word Association (COWA) & Trailmaking Test B, and Trailmaking Test A. 5. To assess 12-month quality of life using European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC-QLQ)30, M.D. Anderson Symptom Inventory Brain Tumor Module (MDASI-BT), Patient Health Questionnaire-9 (PHQ-9),and Functional Assessment of Cancer Therapy-Brain (FACT-BR). 6. To estimate the 6-month and 12-month local control (LC) rates of patients with resectable brain metastases treated with pre-operative hypofractionated stereotactic radiosurgery followed by surgery. 7. To estimate the 12-month rate of leptomeningeal disease (LMD) of patients with resectable brain metastases treated with pre-operative hypofractionated stereotactic radiosurgery followed by surgery.

Treatments

Therapies

Radiotherapy; Surgery

Medications

fSRS ()

Inclusion Criteria

Inclusion Criteria:

Histologically confirmed solid tumor malignancy other than lymphoma, or germ cell tumor. Brain biopsy is not required unless diagnosis is judged to be in doubt by the treating physician.

Life expectancy must be deemed to be 3 months or more by a neurosurgeon, radiation oncologist, or medical oncologist with expertise in the treatment of metastatic cancer to the brain. > Participants must have MRI evidence of >/=1 brain metastasis no less than 10 mm and no greater than 60 mm in maximum diameter, deemed surgically resectable by neurosurgeon, not previously treated with Stereotactic Radiosurgery (SRS) or appropriate for fSRS.

Each non-index lesion must be > Participants must be either asymptomatic from their brain metastases or have symptoms which are well controlled with steroid medication.

Systemic therapy such as immunotherapy, targeted therapy, or chemotherapy are permitted at treating physician's discretion.

Karnofsky Performance Status (KPS) >/=60.

This study permits the re-enrollment of participant who has discontinued the study due to pre-treatment failure (i.e., the participant has not been treated). If re-enrolled, participant must be re-consented.

Women of Childbearing Potential (WOCBP) must have a negative serum or urine pregnancy test within 7 days prior to the start of radiation therapy.

Azoospermic males and WOCBP whoa re continuously not heterosexually active are exempt from contraceptive requirements. However, they must still undergo pregnancy testing as described.

Investigators shall counsel WOCBP and male participants who are sexually active with WOCBP on the importance of pregnancy prevention and the implications of an unexpected pregnancy. Investigators shall advise on the use of highly effective methods of contraception (detailed in protocol), which have a failure rate of <1% when used consistently and correctly.

Exclusion Criteria

Exclusion Criteria:

Participants who have germ cell tumors, primary brain tumor, or lymphoma

Participants with symptoms related to brain metastases not able to be controlled with steroids.

Women who are pregnant or breastfeeding

Women of childbearing potential who are not using an effective method of contraception

Participants deemed medically unfit to undergo surgical resection of brain metastasis by the treating neurosurgeon because of medical comorbidities, such as those who are neurologically or hemodynamically unstable despite appropriate medical interventions.

Participants who have had whole brain radiation within the previous three months.

Any prior cranial radiotherapy targeting the index lesion

Index lesion located in the brainstem

Any participants with the following imaging findings: Widespread definitive leptomeningeal metastasis Infratentorial mass effect with fourth ventricle effacement or hydrocephalus Supratentorial mass effect with greater than 10 mm of midline shift or hydrocephalus. A brain metastasis that is located within 2 mm of the optic chiasm

Active or prior: documented inherited hypersensitivity syndromes, certain collagen vascular diseases, and certain autoimmune diseases. For example, any radiation hypersensitivity syndrome, including, but not limited to, Gorlin syndrome, multiple sclerosis, ataxia-telangiectasia, scleroderma, and systemic lupus erythematosus.

Inability to complete MRI with contrast of the brain, or a known allergy to gadolinium - Participants receiving cytotoxic chemotherapies 7 days prior to or concurrently with fSRS. Note: All other systemic therapies (i.e., molecularly targeted therapies) will be reviewed on a case-by-case basis by study PI to determine if appropriate for study treatment and documented within the research record or EMR.

If participant's treatment plan respecting normal tissue tolerances using dose fractionation specified within the protocol cannot be achieved.

Inability or unwillingness to return for all the required follow-up visits

Prisoners or individuals who are involuntarily incarcerated

Individuals who are compulsorily detained for treatment of either a psychiatric or physical (e.g., infectious disease) illness

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