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Systemic Therapy Is Associated with Improved Oncologic Outcomes in Resectable Stage II/III Intrahepatic Cholangiocarcinoma: An Examination of the National Cancer Database over the Past Decade
SIMPLE SUMMARY: Intrahepatic cholangiocarcinoma (ICC) is a primary liver cancer that currently has limited treatment options and an overall poor prognosis. Evidence-based guidelines for the management of resectable ICC are lacking. We investigated three treatment strategies for resectable ICC using...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9454548/ https://www.ncbi.nlm.nih.gov/pubmed/36077855 http://dx.doi.org/10.3390/cancers14174320 |
Sumario: | SIMPLE SUMMARY: Intrahepatic cholangiocarcinoma (ICC) is a primary liver cancer that currently has limited treatment options and an overall poor prognosis. Evidence-based guidelines for the management of resectable ICC are lacking. We investigated three treatment strategies for resectable ICC using a large cancer registry and compared their use and oncologic outcomes. Our findings suggest a benefit of both neoadjuvant and adjuvant therapy for patients with high-risk resectable ICC. Prospective and randomized studies are needed to better define patients who may benefit from systemic therapy and to clarify the most appropriate sequencing of treatment for resectable ICC. ABSTRACT: Limited evidence-based management guidelines for resectable intrahepatic cholangiocarcinoma (ICC) currently exist. Using a large population-based cancer registry; the utilization rates and outcomes for patients with clinical stages I-III ICC treated with neoadjuvant chemotherapy (NAT) in relation to other treatment strategies were investigated, as were the predictors of treatment regimen utilization. Oncologic outcomes were compared between treatment strategies. Amongst 2736 patients, chemotherapy utilization was low; however, NAT use increased from 4.3% to 7.2% (p = 0.011) over the study period. A higher clinical stage was predictive of the use of NAT, while higher pathologic stage and margin-positive resections were predictive of the use of adjuvant therapy (AT). For patients with more advanced disease, the receipt of NAT or AT was associated with significantly improved survival compared to surgery alone (cStage II, p = 0.040; cStage III, p = 0.003). Furthermore, patients receiving NAT were more likely to undergo margin-negative resections compared to those treated with AT (72.5% vs. 62.6%, p = 0.027), despite having higher-risk tumors. This analysis of treatment strategies for resectable ICC suggests a benefit for systemic therapy. Prospective and randomized studies evaluating the sequencing of treatments for patients with high-risk resectable ICC are needed. |
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