This phase II trial tests how well biologically guided radiation therapy (BgRT) and stereotactic body radiation therapy (SBRT) with osimertinib works for the treatment of EGFR positive non-small cell lung carcinoma that has spread from where it first started (primary site) to a limited number of anatomic sites (oligoprogressive). BgRT is radiation that uses specialized imaging to during treatment to target the active tumor and direct radiation to tumors in order to kill and shrink tumor cells. Stereotactic body radiation therapy uses special equipment to position a patient and deliver radiation to tumors with high precision. This method may kill tumor cells with fewer doses over a shorter period and cause less damage to normal tissue. Osimertinib is in a class of medications called kinase inhibitors. It works by blocking the action of a protein called EGFR that signals cancer cells to multiply. This helps slow or stop the spread of tumor cells. Giving BgRT with SBRT and osimertinib may kill more tumor cells in patients with oligoprogressive EGFR positive non-small cell lung carcinoma.
PRIMARY OBJECTIVE: I. To estimate the percent of patients receiving benefit at 6 months from the addition of BgRT/SBRT to first line osimertinib in EGFR positive non-small cell lung cancer (NSCLC) patients with oligoprogressive disease (disease control rate \[DCR\]). SECONDARY OBJECTIVES: I. To evaluate the tolerability of adding BgRT/SBRT to first line osimertinib in EGFR positive NSCLC patients with oligoprogressive disease. II. To estimate the overall survival when adding BgRT/SBRT to first line osimertinib in EGFR positive NSCLC patients with oligoprogressive disease. III. To describe the effect on quality of life (QOL) when adding BgRT/SBRT to first line osimertinib in EGFR positive NSCLC patients with oligoprogressive disease. IV. To describe the effect on quantified fludeoxyglucose F-18 (FDG) uptake changes when adding BgRT to first line osimertinib in EGFR positive NSCLC patients with oligoprogressive disease. V. To estimate local and distant control rates when adding BgRT/SBRT to first line osimertinib in EGFR positive NSCLC patients with oligoprogressive disease. VI. To estimate the extracranial progression free survival (PFS) when adding SBRT to first line osimertinib in EGFR positive NSCLC patients with oligoprogressive disease. VII. To estimate the time to treatment failure (TTF) when adding BgRT/SBRT to first line osimertinib in EGFR positive NSCLC patients with oligoprogressive disease. VII. To estimate percentage of patients needing salvage BgRT/SBRT when adding SBRT to first line osimertinib in EGFR positive NSCLC patients with oligoprogressive disease. EXPLORATORY OBJECTIVES: I. To identify potential predictors of outcome when adding BgRT/SBRT to first line osimertinib in EGFR positive NSCLC patients with oligoprogressive disease. II. To describe the changes in circulating tumor deoxyribonucleic acid (ctDNA) levels when adding BgRT/SBRT to first line osimertinib in EGFR positive NSCLC patients with oligoprogressive disease. OUTLINE: Patients continue to receive osimertinib orally (PO) daily (QD) in the absence of unacceptable toxicity. Patients undergo BgRT/SBRT every other day for 5 treatments. Patients then continue to receive osimertinib and are monitored via imaging. If additional progression is found, patients may receive additional BgRT/SBRT therapy. Treatment continues in the absence of \> 5 sites of progression, unacceptable toxicity, or the stopping of osimertinib for more than 4 weeks. Patients undergo computed tomography (CT) scan or positron emission tomography(PET)/CT scan and blood sample collection throughout the study. After completion of initial radiation therapy, patients follow up at 1 week, 3 months, 6 months and 12 months and then for an additional year.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
32
Undergo blood sample collection
Undergo CT or PET/CT scan
Given PO
Undergo PET/CT
Undergo BgRT/SBRT
Ancillary study
City of Hope Medical Center
Duarte, California, United States
RECRUITINGYale University
New Haven, Connecticut, United States
NOT_YET_RECRUITINGPercent of patients on planned protocol treatment
Patient counts and percentages will be provided.
Time frame: At 6 months
Rate of all grades and grade >= 3 adverse events at least possibly related to study therapy
As measured by Common Terminology Criteria for Adverse Events (CTCAE) version (v) 5.0. Observed toxicities will be summarized, for all patients in terms of type (organ affected or laboratory determination), severity, time of onset, duration, probable association with the study treatment and reversibility or outcome.
Time frame: Up to 2 years
Overall survival
Will be estimated using the product-limit method of Kaplan-Meier. Two-sided 95% confidence intervals will be computed.
Time frame: From the date of study enrollment to the date of death from any cause, up to 2 years
Change in quality of life (QOL)
As measured by Functional Assessment of Cancer Therapy-General (FACT-G) v4. Repeated QOL assessments will be tabulated and graphically displayed to describe the changes of QOL outcomes over time.
Time frame: From baseline to 3 months post initial stereotactic body radiation therapy (SBRT)
Change in fludeoxyglucose (FDG) uptake
As measured by metabolic tumor volume and total lesion glycolysis at each fraction. Will be analyzed using independent student's t-test to compare normal variables and non-parametric tests including Wilcoxon's signed-rank test for paired data will be used to compare non-normally distributed variables. Repeated measures analysis of variance (ANOVA) will be used to test for differences at more than one time point. Correlation between metabolic tumor volume, total lesion glycolysis and circulating tumor deoxyribonucleic acid (ctDNA) and time to treatment failure (as described above) as well as overall survival will be explored using univariate and multivariate Cox regression.
Time frame: From baseline to completion of SBRT, up to 2 years
Ratio of patients achieving local control and distant control
Time frame: Up to 2 years
First occurrence of disease progression
By Positron Emission Tomography Response Criteria in Solid Tumors (PERCIST) v1.0 or Response Evaluation Criteria in Solid Tumors (RECIST) v1.1. A progressive event will occur when: more than five sites of progression based on PERCIST or RECIST, inability to receive more biologically guided radiation therapy (BgRT)/SBRT or osimertinib, physician decision to come off study or change therapy, patient withdrawal of consent or death will all be considered events. Will be estimated using the product-limit method of Kaplan-Meier.
Time frame: From study entry to first occurrence of disease progression, up to 2 years
Time to treatment failure
Will be estimated using the product-limit method of Kaplan-Meier. For time to treatment failure, a progressive event will occur when: more than five sites of progression based on PERCIST or RECIST, inability to receive more BgRT/SBRT or osimertinib, physician decision to come off study or change therapy, patient withdrawal of consent or death will all be considered events.
Time frame: From study entry to treatment failure, up to 2 years
Ratio of patients needing salvage BgRT/SBRT
Time frame: Up to 1 year
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