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About
This phase Ib/II trial studies the side effects and best dose of trastuzumab and necitumumab together with osimertinib, and to see how well they work for the treatment of stage IV non-small cell lung cancer that is EGFR-mutated, resistant to osimertinib, and has not responded to previous treatment (refractory). Immunotherapy with monoclonal antibodies, such as trastuzumab and necitumumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Osimertinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Giving trastuzumab and necitumumab together with osimertinib may work better than osimertinib alone in treating patients with stage IV EGFR-mutated non-small cell lung cancer.
Full description
PRIMARY OBJECTIVES:
I. Determine the recommended phase II dose (RP2D) of osimertinib and necitumumab in combination with trastuzumab. (Phase Ib) II. Evaluate the efficacy of osimertinib, necitumumab, and trastuzumab (ONT) as measured by objective response rate (ORR), which is defined as complete response (CR) or partial response (PR) by Response Evaluation Criteria in Solid Tumors (RECIST) 1.1. (Phase II)
SECONDARY OBJECTIVES:
I. To evaluate the efficacy of ONT as measured progression free survival (PFS), duration of response (DoR), and overall survival (OS).
II. To evaluate the safety and tolerability of ONT as measured by adverse events (AEs) defined by Common Terminology Criteria for Adverse Events version 5.0 (CTCAE V 5.0).
EXPLORATORY OBJECTIVES:
I. To assess patient-reported outcomes on health-related quality of life and adverse events.
II. Assess potential biomarkers associated with response from liquid biopsies and optional but recommended baseline tissue biopsy.
IIa. Correlate pre-and post-treatment biopsies molecular changes with response. III. Correlate mutant allele fraction in circulating tumor deoxyribonucleic acid (DNA) (ctDNA) via liquid biopsy with response.
OUTLINE: This is a phase Ib, dose-escalation study of osimertinib and necitumumab followed by a phase II study.
Patients receive necitumumab intravenously (IV) over 60 minutes and trastuzumab IV over 30-90 minutes on days 1 and 15. Patients also receive osimertinib orally (PO) once daily (QD) on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
After the completion of study treatment, patients are followed up at 30 days, every 8 weeks through week 24, then every 12 weeks up to 1 year.
Enrollment
Sex
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Volunteers
Inclusion criteria
Willing and able to provide informed consent
Cytologically or histologically confirmed non-small cell lung cancer (NSCLC), that is stage IV (metastatic), with an activating and sensitizing EGFR mutation (e.g., exon 20 insertion mutations are excluded). Enrollment of patients with mutations other than exon 19 deletion and the L858R point mutation require literature supporting sensitivity to EGFR tyrosine kinase inhibitors
Progressed on osimertinib. Osimertinib must have been included as the last systemic therapy prior to trial enrollment. This excludes patients who received osimertinib in combination with other EGFR-tyrosine kinase inhibitor (TKI) or anti-human epidermal growth factor receptor (anti-HER) therapy
Measurable disease, as per RECIST 1.1
Eastern Cooperative Oncology Group (ECOG) performance status of 0-1
Able to swallow the study drugs, has no known intolerance of study drugs or excipients, and able to comply with study requirements
Absolute neutrophil count (ANC) >= 1,500/mcL
Platelets >= 100,000/mcL
Hemoglobin >= 9 g/dL or >= 5.6 mmol/L
Serum creatinine =< 1.5 X upper limit of normal (ULN) OR measured or calculated creatinine clearance >= 50 mL/min for participants with creatinine levels > 1.5 X institutional ULN (Glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl])
Serum total bilirubin =< 1.5 X ULN OR direct bilirubin =< ULN.
Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT]) and ALT (serum glutamate pyruvate transaminase [SGPT]) =< 2.5 X ULN OR =< 5 X ULN for participants with liver metastases.
Albumin >= 2.5 g/dL.
International Normalized Ratio (INR) or Prothrombin Time (PT), and activated partial thromboplastin Time (aPTT) =< 1.5 X ULN unless participant is receiving anticoagulant therapy, and then only as long as PT or PTT is within therapeutic range of intended use of anticoagulants
Left ventricular ejection fraction >= 50% as measured by transthoracic or transesophageal echocardiogram within 60 days prior to receiving study treatment
Female participants of childbearing potential must have a negative urine or serum pregnancy test. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required. The serum pregnancy test must be negative for the participant to be eligible, and the participant must agree to use two highly-effective methods of birth control from the time of the first study drug treatment through 180 days after the last study drug treatment, or be of non-childbearing potential. Non-childbearing potential is defined as follows (by other than medical reasons):
Male participants must use a condom when having sex with a pregnant woman and when having sex with a woman of childbearing potential from the time of the first study-drug treatment through 180 days after the last study drug treatment. Contraception should be considered for a non-pregnant female partner of childbearing potential
Male and female participants must agree not to donate sperm or eggs, respectively, from the first study-drug treatment through 180 days after the last study drug treatment
Female participants must agree to not breastfeed during the study or for 180 days after the last dose of study treatment
Participants must agree to not donate blood during the study or for 90 days after the last dose of study treatment
Exclusion criteria
Primary purpose
Allocation
Interventional model
Masking
30 participants in 1 patient group
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Central trial contact
Karla Russell
Data sourced from clinicaltrials.gov
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