This phase III trial studies cabozantinib to see how well it works compared with placebo in treating patients with neuroendocrine or carcinoid tumors that may have spread from where it first started to nearby tissue, lymph nodes, or distant parts of the body (advanced). Cabozantinib is a chemotherapy drug known as a tyrosine kinase inhibitor, and it targets specific tyrosine kinase receptors, that when blocked, may slow tumor growth.
PRIMARY OBJECTIVES:
I. To determine whether cabozantinib S-malate (cabozantinib) can significantly improve progression-free survival (PFS) compared to placebo in patients with advanced pancreatic neuroendocrine tumors (NET) whose disease has progressed after prior therapy.
II. To determine whether cabozantinib can significantly improve progression-free survival (PFS) compared to placebo in patients with advanced carcinoid tumors whose disease has progressed after prior therapy.
SECONDARY OBJECTIVES:
I. To determine whether cabozantinib can significantly improve overall survival (OS) compared to placebo in patients with advanced pancreatic NET whose disease has progressed after prior therapy.
II. To determine whether cabozantinib can significantly improve overall survival (OS) compared to placebo in patients with advanced carcinoid tumors whose disease has progressed after prior therapy.
III. To evaluate safety and tolerability of cabozantinib versus placebo in patients with advanced pancreatic NET using Common Terminology Criteria for Adverse Events (CTCAE) and Patient-Reported Outcomes Version of the Common Terminology Criteria for Adverse Events (PRO-CTCAE).
IV. To evaluate safety and tolerability of cabozantinib versus placebo in patients with advanced carcinoid tumors using CTCAE and PRO-CTCAE.
V. To evaluate the overall radiographic response rate of cabozantinib versus placebo in patients with advanced pancreatic NET whose disease has progressed after prior therapy.
VI. To evaluate the overall radiographic response rate of cabozantinib versus placebo in patients with advanced carcinoid tumors whose disease has progressed after prior therapy.
OTHER OBJECTIVE:
I. Results of the primary analysis will be examined for consistency, while taking into account the stratification factors and/or covariates of baseline quality of life (QOL) and fatigue.
QUALITY OF LIFE SUBSTUDY OBJECTIVE:
I. To compare overall quality of life, disease-related symptoms, and other domains between the two treatment groups (cabozantinib versus [vs.] placebo) within each cohort of patients (pancreatic NET vs. carcinoid tumor). (Quality of Life Substudy Objective - A021602-HO1)
POPULATION PHARMACOKINETICS SUBSTUDY OBJECTIVE:
I. To describe the population pharmacokinetic and exposure-response relationships of cabozantinib in patients with advanced neuroendocrine tumors. (Population Pharmacokinetics Substudy Objective - A021602-PP1)
OUTLINE: Patients are randomized to 1 of 2 arms.
ARM I: Patients receive cabozantinib S-malate orally (PO) once daily (QD) on days 1-28 of each cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo computed tomography (CT), magnetic resonance imaging (MRI), and/or x-ray imaging during screening and on study.
ARM II: Patients receive placebo PO QD on days 1-28 of each cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo CT, MRI, and/or x-ray imaging during screening and on study. Patients may crossover to receive cabozantinib S-malate at the time of disease progression.
After completion of study treatment, patients are followed up every 12 weeks until disease progression or start of new anticancer therapy, and then every 6 months until 8 years after registration.
| Condition | Atypical Carcinoid Tumor, Carcinoid Tumor, Functioning Pancreatic Neuroendocrine Tumor, Intermediate Grade Lung Neuroendocrine Neoplasm, Locally Advanced Digestive System Neuroendocrine Neoplasm, Locally Advanced Digestive System Neuroendocrine Tumor G1, Locally Advanced Lung Neuroendocrine Neoplasm, Locally Advanced Pancreatic Neuroendocrine Tumor, Locally Advanced Unresectable Digestive System Neuroendocrine Neoplasm, Low Grade Lung Neuroendocrine Neoplasm, Lung Atypical Carcinoid Tumor, Lung Carcinoid Tumor, Metastatic Digestive System Neuroendocrine Neoplasm, Metastatic Digestive System Neuroendocrine Tumor G1, Metastatic Lung Carcinoid Tumor, Metastatic Lung Neuroendocrine Neoplasm, Metastatic Pancreatic Neuroendocrine Neoplasm, Metastatic Pancreatic Neuroendocrine Tumor, Metastatic Thymic Neuroendocrine Neoplasm, Neuroendocrine Neoplasm, Non-Functioning Pancreatic Neuroendocrine Tumor, Pancreatic Serotonin-Producing Neuroendocrine Tumor, Thymic Carcinoid Tumor, Unresectable Digestive System Neuroendocrine Neoplasm, Unresectable Digestive System Neuroendocrine Tumor G1, Unresectable Lung Neuroendocrine Neoplasm, Unresectable Pancreatic Neuroendocrine Neoplasm, Unresectable Thymic Neuroendocrine Neoplasm |
|---|---|
| Treatment | laboratory biomarker analysis, quality-of-life assessment, computed tomography, magnetic resonance imaging, Placebo, Placebo Administration, Cabozantinib S-malate, X-Ray Imaging |
| Clinical Study Identifier | NCT03375320 |
| Sponsor | National Cancer Institute (NCI) |
| Last Modified on | 29 September 2023 |
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