RESUMEN
Background: Treatment for metastatic neuroendocrine tumors (NETs) is often with somatostatin analogues (SSA) such as lanreotide in the first-line setting. Real world use of lanreotide in Canada is not well studied. Methods: We performed a retrospective chart review of 69 patients to study real world use of lanreotide at our centre. Results: Lanreotide was the first-line of systemic treatment in 60 patients. Watch-and-wait was a common strategy and was seen in 31 patients. SSA switch strategy was seldom applied. Majority of patients on lanreotide had low-grade NETs. Standard starting dose of lanreotide 120 mg every 28 days was used in 66 patients. Dose escalation to 120 mg every 21 days occurred in 7 patients. The primary intention for treatment was tumor control in 32 patients, and both tumor and symptom control in 34 patients. Median time on treatment was 21.6 months. Conclusions: Overall, our findings were in keeping with current guidelines. It will be interesting to assess how clinical practice evolves in the future and to determine the role of dose escalation for disease control.
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(1) Background: The coronavirus 2019 pandemic has resulted in an abrupt transition to virtual oncology care worldwide. This study's objective is to evaluate chemotherapy delivery and clinical outcomes in patients on systemic treatment for colorectal cancer before and during the pandemic. (2) Methods: Clinical data was collected on patients with colorectal cancer receiving intravenous chemotherapy at The Ottawa Hospital from June 2019 to March 2021. Patients were stratified by whether they were started on chemotherapy pre-pandemic (June 2019-January 2020) or intra-pandemic (February 2020-March 2021). Multiple regression analysis was used to compare outcomes between pandemic periods; (3) Results: There were 220 patients included in this study. The proportion of virtual consultations (1.2% to 64.4%) and follow-up visits (5.2% to 83.3%) increased during the pandemic. There was no difference in the incidence of treatment delays (OR = 1.01, p = 0.78), chemotherapy dose reductions (OR = 0.99, p = 0.69), emergency department visits (OR = 1.23, p = 0.37) or hospitalizations (OR = 0.73, p = 0.43) between pandemic periods. A subgroup analysis revealed no difference in outcomes independent of the presence of metastases; (4) Conclusion: These findings serve as an important quality-care indicator and demonstrate that virtual oncology care appears safe in a cohort of high-risk colorectal cancer patients.
Asunto(s)
COVID-19 , Neoplasias Colorrectales , Neoplasias Colorrectales/tratamiento farmacológico , Neoplasias Colorrectales/patología , Servicio de Urgencia en Hospital , Humanos , Pandemias , Tiempo de TratamientoRESUMEN
Placental function is of utmost importance to ensure proper fetal development in utero. Among the placenta's many roles includes the passage of sufficient macronutrients, such as glucose, amino acids, and fatty acids, to the fetus. Macronutrients are carried from maternal circulation to the fetus across transporters within the placenta. The objective of this study was to examine the impact of (i) an acute bout of exercise and (ii) chronic exercise participation on placenta nutrient transporter expression and localization. To investigate the effect of acute exercise, pre- and post-exercise serum was collected from pregnant (n = 5) and non-pregnant (n = 5) women who underwent a moderate-intensity exercise session and used to treat BeWo cells. To assess chronic physical activity, we analyzed term placenta from women categorized as active (n = 10) versus non-active (n = 10). Protein expression and localization for the transporters GLUT1, SNAT1, and FATP4 were examined for both groups. GLUT1 expression in BeWo cells treated with serum from pregnant women was higher compared with that from non-pregnant, independent of exercise. FATP4 protein expression was elevated in the term placenta of active women. Immunohistochemistry analysis of term placenta illustrated increased staining of FATP4 in placental tissue from active women and differential staining pattern of GLUT1 depending on physical activity status. Chronic exercise during pregnancy increases the expression of placental FATP4 in vivo, suggesting greater metabolism and usage of fatty acids. Additionally, serum from pregnant women could contain factors that increase GLUT1 protein expression in vitro. BeWo cells treated with pre- and post-exercise serum from pregnant women resulted in greater GLUT1 expression compared with those treated with pre- and post-exercise serum from non-pregnant women. Physical activity appears to differentially impact key placental transporters involved in the transfer and availability of nutrients from mother to fetus. Future research ought to examine the mechanisms involved in regulating these changes and their impact on fetal growth and health.