Lung Cancer Clinical Trial
SWOG S1827 (MAVERICK) Testing Whether the Use of Brain Scans Alone Instead of Brain Scans Plus Preventive Brain Radiation Affects Lifespan in Patients With Small Cell Lung Cancer
This phase III trial studies magnetic resonance imaging (MRI) surveillance and prophylactic cranial irradiation (PCI) to see how well they work compared to MRI surveillance alone in treating patients with small cell lung cancer. MRI scans are used to monitor the possible spread of the cancer with an MRI machine over time. PCI is radiation therapy that is delivered to the brain in hopes of preventing spread of cancer into the brain. The use of brain MRI alone may reduce side effects of receiving PCI and prolong patients' lifespan. Monitoring with MRI scans alone (delaying radiation until the actual spread of the cancer) may be at least as good as the combination of PCI with MRI scans.
I. To evaluate whether overall survival (OS) with magnetic resonance imaging (MRI) surveillance alone is not inferior to MRI surveillance combined with prophylactic cranial irradiation (PCI) for the treatment of small cell lung cancer (SCLC).
I. To compare cognitive failure free survival (CFFS) rate up to 12 months after randomization between the arms.
II. To compare brain-metastasis-free survival between the arms. III. To compare OS between the arms within the subgroups of patients with limited-stage and extensive-stage disease.
IV. To compare cognitive failure free survival (CFFS) rates at the assessment times between the arms.
V. To compare the cumulative incidence of cognitive failure with death as a competing risk between the arms.
VI. To compare the frequency and severity of toxicities between the two arms.
I. To collect blood for banking.
OUTLINE: Patients are randomized to 1 of 2 arms.
ARM I: Patients undergo conventional or hippocampal avoidance PCI over 20 minutes 5 days per week for 2 weeks. Patients also undergo MRI scan at 3, 6, 9, 12, 18, and 24 months.
ARM II: Patients undergo MRI scan at 3, 6, 9, 12, 18, and 24 months.
Patient must have a histologically confirmed diagnosis of small-cell lung cancer (SCLC)
Patient must have an MRI of the brain performed within 28 days prior to registration documenting no evidence of brain metastases or leptomeningeal disease. Patient also must not have a history of brain metastases or leptomeningeal disease
Immunotherapy concurrent with and/or adjuvant to first-line therapy is allowed at the discretion of the treating physician. Patients with limited-stage (LS)-SCLC must have completed platinum-based chemotherapy and either definitive thoracic radiotherapy (including stereotactic body radiation therapy [SBRT] for early-stage T1-2 N0 M0 disease who do not undergo surgery) or definitive surgical resection; thoracic radiation in addition to definitive surgical resection is allowed at the discretion of the treating physician, but is not required. Patients with extensive-stage (ES)-SCLC must have completed platinum-based chemotherapy either with or without thoracic radiotherapy at the discretion of the treating physician
All adverse events from prior treatment must have resolved to =< grade 2 (Common Terminology Criteria for Adverse Events [CTCAE] version 5.0) prior to randomization
Patient must have had a response to first-line therapy and no evidence of progression in opinion of the treating investigator. Systemic imaging (computed tomography [CT] or positron emission tomography [PET]/CT including the chest and abdomen) must be performed within 28 days prior to randomization
No more than 8 weeks may have elapsed between day 1 of the last cycle of chemotherapy and randomization
Patient must not have received prior radiotherapy to the brain or whole brain radiotherapy. Patients who have undergone prior stereotactic radiosurgery for benign tumors or conditions (e.g., acoustic neuroma, grade I meningioma, trigeminal neuralgia) may be considered on a case-by-case basis
Patient must have Zubrod performance status of 0-2
Patient must not have a contraindication to MR imaging, such as implanted metal devices or foreign bodies
Patient must not have a contraindication to gadolinium contrast administration during MR imaging, such as allergy or insufficient renal function
Patient must not have other metastatic malignancies requiring current active treatment
Patient must not have any severe active comorbidities, defined as follows:
Unstable angina and/or congestive heart failure requiring hospitalization within 6 months prior to randomization
Transmural myocardial infarction within 6 months prior to randomization
Acute bacterial or fungal infection requiring intravenous antibiotics at the time of randomization
Chronic obstructive pulmonary disease exacerbation or other acute respiratory illness precluding study therapy at the time of randomization
Severe hepatic disease defined as a diagnosis of Child-Pugh class B or C hepatic disease
Human immunodeficiency virus (HIV) positive with CD4 count < 200 cells/microliter
Note that patients who are HIV positive are eligible, provided they are under treatment with highly active antiretroviral therapy (HAART) and have a CD4 count >= 200 cells/microliter within 16 weeks prior to randomization
Note also that HIV testing is not required for eligibility for this protocol
Patient must not be pregnant because of fetal risks from radiation exposure. Men must have agreed to use an effective contraceptive method during PCI and for six months after completing PCI. Women of reproductive potential must have agreed to use an effective contraceptive method during PCI. A woman is considered to be of "reproductive potential" if she has had menses at any time in the preceding 12 consecutive months. In addition to routine contraceptive methods, "effective contraception" also includes heterosexual celibacy and surgery intended to prevent pregnancy (or with a side-effect of pregnancy prevention) defined as a hysterectomy, bilateral oophorectomy or bilateral tubal ligation. However, if at any point a previously celibate patient chooses to become heterosexually active during the time period for use of contraceptive measures outlined in the protocol, he/she is responsible for beginning contraceptive measures
Patients who speak and understand English or French must agree to participate in cognitive function testing
Patient must be offered the opportunity to have specimens submitted for banking
Patients must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines
As a part of the Oncology Patient Enrollment Network (OPEN) randomization process the treating institution?s identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system
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