A Randomized Phase II Study of Gemcitabine and Nab-Paclitaxel Compared with 5-Fluorouracil, Leucovorin, and Liposomal Irinotecan in Older Patients with Treatment Naïve Metastatic Pancreatic Cancer (GIANT)
This phase II trial compares two treatment combinations: gemcitabine hydrochloride and nab-paclitaxel, or fluorouracil, leucovorin calcium, and liposomal irinotecan in older patients with pancreatic cancer that has spread to other places in the body (metastatic). Drugs used in chemotherapy, such as gemcitabine hydrochloride, nab-paclitaxel, fluorouracil, leucovorin calcium, and liposomal irinotecan, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. This study may help doctors find out which treatment combination is better at prolonging life in older patients with metastatic pancreatic cancer.
Newly diagnosed untreated metastatic adenocarcinoma of the pancreas. However, previous surgery, adjuvant chemotherapy and/or radiation therapy will be allowed, provided radiation therapy is completed at least 2 weeks prior to registration and adjuvant therapy was administered more than 6 months prior to registration. Patients with the following histology are excluded: acinar cell; adenosquamous carcinoma
Eastern Cooperative Oncology Group (ECOG) performance status 0-2
Patient is an English speaker with the ability to understand and complete the informed consent and questionnaires
Adequate organ function per protocol
Human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months of registration are eligible for this protocol. HIV positive (+) patients who are on ritonavir or/and cobicistat-based regimen must be switched to alternative anti-retroviral therapy (ART)
For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated
Patients with a history of hepatitis C virus (HCV) infection must have been treated and cured. For patients with HCV infection who are currently on treatment, they are eligible if they have an undetectable HCV viral load
Male patients must agree not to father children while on study
Patients with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association functional classification. To be eligible for this protocol, patients should be class 2B or better
Patients must have measurable disease and scans must be done within 4 weeks of registration
Patients classified to have mild-moderate abnormalities in any of the domains evaluated in the screening geriatric assessment and are classified as "vulnerable" are eligible. Patients classified without any abnormalities ("fit") or with severe cognitive/functional impairment or high co-morbidity score ("frail") on the screening geriatric assessment are ineligible
Patients must agree not to take any medications or substances that are strong inhibitors or inducers of CYP3A4. Those who are randomized to liposomal irinotecan treatment arm should avoid drugs that are UGT1A1 inhibitors
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