The Use of Guarana to Treat Fatigue in Patients With Neuroendocrine Tumors and Gynecologic Cancers

Inclusion Criteria: * Subjects aged ≥ 18 years. * Cohort A (Neuroendocrine Tumor) Only: ---Subjects with unresected locally advanced or metastatic well differentiated neuroendocrine tumors who are either on a watch- and-wait approach or receiving treatment with somatostatin analog(s). Patient who received and completed another active treatment but are on a "break" from treatment will be allowed to enroll (e.g., patients that had completed PRRT). * Cohort B (Gynecological Cancer) Only: ---Subjects with early-stage (I or II) ovarian/fallopian-tube cancer in surveillance who have completed…