University of Nebraska
Pancreatic mucinous cystic neoplasm (MCN) is a precursor to invasive pancreatic adenocarcinoma which occurs almost exclusively in females in their 5th-7th decade. Currently the only option for MCN treatment and prevention of invasive pancreatic ductal adenocarcinoma (PDA) is oncologic resection. The clinical features of pancreatic MCN support the influence of sex hormones in the pathogenesis of the disease. Anti-hormonal therapy may therefore constitute an effective approach to treatment. Preliminary analyses from preclinical studies suggest that tamoxifen inhibits the spread and normal life cycle in MCN epithelial cells and fibroblasts. Investigators hypothesize that in humans, treatment with tamoxifen will lead to cyst regression or stabilization and may spare or delay the need for resection. Up to 15 participants not undergoing immediate resection will be enrolled and take tamoxifen orally for up to 24 weeks. The study will assess the feasibility of tamoxifen as a treatment for pancreatic MCN.
Pancreatic mucinous cystic neoplasm (MCN) is a precursor to invasive pancreatic adenocarcinoma which occurs almost exclusively in females in their 5th-7th decade. Currently the only option for MCN treatment and prevention of invasive pancreatic ductal adenocarcinoma (PDA) is oncologic resection. The clinical features of pancreatic MCN support the influence of sex hormones in the pathogenesis of the disease. Anti-hormonal therapy may therefore constitute an effective approach to treatment. Preliminary analyses from pre-clinical studies suggest that tamoxifen inhibits proliferation and apoptosis…
Inclusion Criteria: * Age ≥ 19 years * Clinically diagnosed pre-invasive pancreatic mucinous cystic neoplasm (MCN), measurable by cross-sectional imaging * Surgical resection of the lesion is not planned due to cyst features, patient factors or patient preference * Females of reproductive potential and males with partners of reproductive potential must agree to employ two methods contraception throughout the study and for up to 3 months following treatment. Non-child-bearing potential is defined as age 45 years or older and no menses for greater than or equal to 12 months or any age with surg…
Tamoxifen is a nonsteroidal antiestrogen for oral administration.
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