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1.
Medicina (Kaunas) ; 59(2)2023 Feb 13.
Article in English | MEDLINE | ID: mdl-36837551

ABSTRACT

Background and Objectives: Colorectal cancer (CRC) is a leading cause of cancer-related mortality and morbidity worldwide. Bevacizumab was approved for the treatment of metastatic colorectal cancer (mCRC) based on favorable benefit-risk assessments from randomized controlled trials, but evidence on its use in the real-world setting is limited. The aim of the current study is to evaluate the outcomes and safety profile of bevacizumab in mCRC in a real-world setting in Romania. Patients and Methods: This was an observational, retrospective, multicentric, cohort study conducted in Romania that included patients with mCRC treated with bevacizumab as part of routine clinical practice. Study endpoints were progression-free survival, overall survival, adverse events, and patterns of bevacizumab use. Results: A total of 554 patients were included in the study between January 2008 and December 2018. A total of 392 patients (71%) received bevacizumab in the first line and 162 patients (29%) in the second line. Bevacizumab was mostly combined with a capecitabine/oxaliplatin chemotherapy regimen (31.6%). The median PFS for patients treated with bevacizumab was 8.4 months (interquartile range [IQR], 4.7-15.1 months) in the first line and 6.6 months (IQR, 3.8-12.3 months) in the second line. The median OS was 17.7 months (IQR, 9.3-30.6 months) in the first line and 13.5 months (IQR, 6.7-25.2 months) in the second line. Primary tumor resection was associated with a longer PFS and OS. The safety profile of bevacizumab combined with chemotherapy was similar to other observational studies in mCRC. Conclusions: The safety profile of bevacizumab was generally as expected. Although the PFS was generally similar to that reported in other studies, the OS was shorter, probably due to the less frequent use of bevacizumab after disease progression and the baseline patient characteristics. Patients with mCRC treated with bevacizumab who underwent resection of the primary tumor had a higher OS compared to patients with an unresected primary tumor.


Subject(s)
Colonic Neoplasms , Colorectal Neoplasms , Rectal Neoplasms , Humans , Bevacizumab/therapeutic use , Colorectal Neoplasms/drug therapy , Cohort Studies , Retrospective Studies , Disease-Free Survival , Colonic Neoplasms/drug therapy , Antineoplastic Combined Chemotherapy Protocols/therapeutic use
2.
Chirurgia (Bucur) ; 114(3): 401-408, 2019.
Article in English | MEDLINE | ID: mdl-31264579

ABSTRACT

Neuroendocrine tumors of the biliary tract are rare entities developed form Kulchitsky cells which undergo a process of malignant transformation. However, the differential diagnostic between neuroendocrine tumors of the biliary tract and hilar cholangiocarcinoma is very difficult to be established during the preoperative workup; therefore, most patients are submitted to surgery with radical intent and the final diagnostic remains to be confirmed through histopathological and immunohistochemistry studies of the specimen of resection. We present the case of a 60 year old patient who was submitted to en bloc extended right hepatectomy (including segment IV and caudate lobe) with extra hepatic biliary tree resection and left hepatic duct preservation, left cholangiojejunostomy (Roux-En-Y technique), celiac and common hepatic arteries lymphadenectomy and segmental portal vein resection with end-to-end anastomosis for a tumor of the biliary carrefour extended to the right biliary duct and invading the portal vein. The histopathological and immunohistochemistry studies confirmed the presence of a grade 1 neuroendocrine tumor, the staining being positive for Chromogranin A, Neuron-Specific Enolase (NSE) and Ki-67 (1% nuclear positive). At 24 months follow-up the patient is free of recurrent disease.


Subject(s)
Bile Duct Neoplasms/diagnosis , Hepatectomy/methods , Neuroendocrine Tumors/diagnosis , Anastomosis, Surgical/methods , Bile Duct Neoplasms/pathology , Bile Duct Neoplasms/surgery , Humans , Immunohistochemistry , Middle Aged , Neuroendocrine Tumors/pathology , Neuroendocrine Tumors/surgery
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