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Comparing the Addition of Radiation either before or after Surgery for Patients with Brain Metastases

Status
Active
Cancer Type
Brain & Spinal Cord Tumor
Unknown Primary
Trial Phase
Phase III
Eligibility
18 Years and older, Male and Female
Study Type
Treatment
NCT ID
NCT05438212
Protocol IDs
NRG-BN012 (primary)
NRG-BN012
NCI-2022-04804
Study Sponsor
NRG Oncology

Summary

This phase III trial compares the usual treatment of surgery after stereotactic radiosurgery (SRS) to receiving SRS before surgery in treating patients with cancer that has spread to the brain (brain metastases). Stereotactic radiosurgery is a type of radiation therapy that delivers a high dose of radiation to target tumors and minimizes effect on normal surrounding brain tissue. The combination of surgery and radiation may stop the tumor from growing for a few months or longer and may reduce symptoms of brain metastases. This study investigates whether treating with SRS before surgery may be better than SRS after surgery in reducing the possibility of the tumor coming back, reducing or preventing the cancer from spreading to other areas of the brain and reducing the risk of scarring on the brain from radiation.

Objectives

PRIMARY OBJECTIVE:
I. To determine if the time to composite adverse endpoint (CAE) (defined as: 1) local tumor progression within the surgical bed; and/or 2) adverse radiation effect [ARE], the imaging correlate of post-stereotactic radiosurgery [SRS] radiation necrosis; and/or 3) nodular meningeal disease [nMD]) is improved in patients treated with pre-resection SRS to the intact lesion versus those treated with post-resection SRS.

SECONDARY OBJECTIVES:
I. To assess the trajectory of symptom burden in patients treated with pre-resection SRS to the intact lesion versus those treated to the post-resection surgical cavity as measured by MD Anderson Symptom Inventory for brain tumor (MDASI-BT).
II. To determine whether there is improved overall survival (OS) in patients with resected brain metastases who undergo pre-resection SRS compared to patients who receive post-resection SRS.
III. To compare rates of ARE, the imaging correlate of radiation necrosis, in patients who receive pre-resection SRS to patients who receive post-resection SRS.
IV. To determine whether there is increased time to whole brain radiotherapy (WBRT) in patients who receive pre-resection SRS compared to patients who receive post-resection SRS.
V. To assess the trajectory of neuro-cognitive function in patients treated with pre-resection SRS to the intact lesion versus those treated to the post-resection surgical cavity as measured by the Montreal Cognitive Assessment (MoCA).
VI. To compare rates of nodular meningeal disease in patients who receive pre-resection SRS to patients who receive post-resection SRS.
VII. To compare rates of local recurrence in the resection cavity for patients who receive pre-resection SRS to patients who receive post-resection SRS.
VIII. To compare rates of local recurrence of intact, non-index metastases treated with SRS.
IX. To compare rates of distant brain failure in patients who receive pre-resection SRS to patients who receive post-resection SRS.
X. To assess toxicity in the two treatment arms.

EXPLORATORY OBJECTIVE:
I. To explore if the type of surgical resection (piece-meal versus [vs.] en-bloc) may be associated with the rate of nodular meningeal disease.

OUTLINE: Patients are randomized to 1 of 2 arms.

ARM I: Patients undergo surgery per standard of care. Within 10-30 days after surgery, patients undergo stereotactic radiosurgery for 1 fraction.

ARM II: Within 7 days before surgery, patients undergo stereotactic radiosurgery for 1 fraction. Patients undergo surgery per standard of care.

After completion of study treatment, patients are followed up every 3 months for 2 years and then every 6 months for additional 2 years.

Eligibility

  1. Radiographic confirmation of 1-4 brain metastases, one of which requires resection, as defined by magnetic resonance imaging (MRI) with contrast obtained within 14 days prior to registration * The maximum diameter of the lesion to be resected on the post-contrast MRI, as measured on any orthogonal plane (axial, sagittal, coronal), must measure >= 2.0 cm and =< 5.0 cm. * The maximum diameter of any lesions which will not be resected must be =< 4.0 cm in maximum diameter
  2. Known active or history of invasive non-central nervous system (CNS) primary cancer based on documented pathologic diagnosis within the past 3 years
  3. All brain metastases must be located >= 5 mm from the optic chiasm and outside the brainstem
  4. Patient is able to medically tolerate surgery and SRS
  5. Lesions chosen for surgical therapy must be deemed appropriate targets for safe, gross total resection by the treating surgeon
  6. History/physical examination within 14 days prior to registration
  7. Age >= 18
  8. Karnofsky performance status (KPS) >= 60 within 14 days prior to registration
  9. A negative urine or serum pregnancy test (in persons of childbearing potential) within =< 14 days prior to registration. Childbearing potential is defined as any person who has experienced menarche and who has not undergone surgical sterilization (hysterectomy or bilateral oophorectomy) or who is not postmenopausal
  10. Participants who are sexually active must agree to use medically acceptable forms of contraception during treatment on this study to prevent pregnancy
  11. The patient or a legally authorized representative must provide study-specific informed consent prior to study entry and, for patients treated in the United States (U.S.), authorization permitting release of personal health information

Treatment Sites in Georgia

Piedmont Columbus Regional


710 Center Street
Columbus, GA 31901
www.columbusregional.com

**Clinical trials are research studies that involve people. These studies test new ways to prevent, detect, diagnose, or treat diseases. People who take part in cancer clinical trials have an opportunity to contribute to scientists’ knowledge about cancer and to help in the development of improved cancer treatments. They also receive state-of-the-art care from cancer experts... Click here to learn more about clinical trials.