AZD9291 in Patients with Tumors Having EGFR T790M Mutations (Except Non-Small Cell Lung Cancer) or Rare Activating Mutations of EGFR (MATCH Substudy)
This phase II MATCH treatment trial evaluates the effectiveness of osimertinib (AZD9291) in treating patients with cancer that has certain genetic changes called EGFR mutations. Osimertinib is in a class of medications called kinase inhibitors. It works by blocking the action of mutant forms of the EGFR protein, which play a key role in tumor cell growth. Osimertinib may cause tumor cell death and inhibit tumor growth in EGFR-overexpressing tumor cells, thereby stopping or slowing the spread of tumor cells.
- Patients must have met applicable eligibility criteria in the Master MATCH Protocol EAY131/ NCI-2015-00054 prior to registration to treatment subprotocol
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Patient must fulfill all eligibility criteria outlined in MATCH Master Protocol at the time of registration to treatment step (step 1, 3, 5, 7)
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Patients must have either of the below, or another aberration, as determined via the MATCH Master Protocol:
Any malignancy except non-small cell lung cancer (NSCLC) with EGFR T790M identified in their tumor, with or without an activating mutation OR
Any malignancy harboring any of the following mutations: EGFR G719A, G719C, G719D, G719S EGFR L861Q, S786I or an EGFR exon 19 in frame insertion mutation
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Patients must have an electrocardiogram (ECG) within 8 weeks prior to treatment assignment and must have no clinically important abnormalities in rhythm, conduction or morphology of resting ECG e.g. complete left bundle branch block, third degree heart block, and second-degree heart block
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Patients must have an ECHO or a nuclear study (MUGA or first pass) within 4 weeks prior to registration and must not have a left ventricular ejection fraction (LVEF) < institutional lower limit of normal (LLN). If the LLN is not defined at a site, the LVEF must be > 50% for the patient to be eligible
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- Patients must not have known hypersensitivity to osimertinib (AZD9291) or compounds of similar chemical or biologic composition or any of the inactive excipients of the tablets
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Patient must not have received osimertinib (AZD9291), WZ4002, CO-1686, HM61713, EGF816 or ASP8273 previously
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Patients known to harbor germline EGFR T790M mutations are excluded from the study. Prospective testing for germline mutations is not required
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Patients must not have a history of interstitial lung disease, idiopathic pulmonary fibrosis, organizing pneumonia (eg, bronchiolitis obliterans), drug-induced pneumonitis, idiopathic pneumonitis, radiation pneumonitis requiring steroids, or evidence of active pneumonitis on screening chest computerized tomography (CT) scan. History of radiation pneumonitis in the radiation field (fibrosis) is permitted
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Patients must not currently be receiving treatment with potent CYP3A4 inducters or medications "known to prolong" the QT interval. Drugs that "may possibly prolong" the QT interval, are permitted if the patient has been stable on therapy for the period indicated for the specific medication
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