Aims: To evaluate the adverse effect and survival outcome of weekly and triweekly cisplatin with radiotherapy in treatment of cervical cancer. Methods: After an extensive literature search between 1995-2011,we analyzed 7 studies to compare weekly cisplatin and triweekly cisplatin combined radiotherapy. Results: Our analysis established that weekly cisplatin has a lower risk of hematologic toxicity than triweekly cisplatin with concurrent radiotherapy in the treatment of cervical cancer. However, there were no differences in progression free survival and overall survival between weekly cisplatin and triweekly cisplatin (p>0.05). Conclusions: Weekly cisplatin combined with concurrent radiation has lower risk in hematologic toxicity than triweekly cisplatin, but does not improve survival. Triweekly cisplatin treatment has longer intervals and is therefore more convenient. Clinicians and patients can choose either weekly cisplatin or triweekly cisplatin combined radiotherapy for cervical cancer.
BACKGROUNDThe factors affecting the prognosis and role of adjuvant therapy in advanced gallbladder carcinoma (GBC) after curative resection remain unclear.AIMTo provide a survival prediction model to patients with GBC as well as to identify the role of adjuvant therapy.METHODSPatients with curatively resected advanced gallbladder adenocarcinoma (T3 and T4) were selected from the Surveillance, Epidemiology, and End Results database between 2004 and 2015. A survival prediction model based on Bayesian network (BN) was constructed using the tree-augmented naïve Bayes algorithm, and composite importance measures were applied to rank the influence of factors on survival. The dataset was divided into a training dataset to establish the BN model and a testing dataset to test the model randomly at a ratio of 7:3. The confusion matrix and receiver operating characteristic curve were used to evaluate the model accuracy.RESULTSA total of 818 patients met the inclusion criteria. The median survival time was 9.0 mo. The accuracy of BN model was 69.67%, and the area under the curve value for the testing dataset was 77.72%. Adjuvant radiation, adjuvant chemotherapy (CTx), T stage, scope of regional lymph node surgery, and radiation sequence were ranked as the top five prognostic factors. A survival prediction table was established based on T stage, N stage, adjuvant radiotherapy (XRT), and CTx. The distribution of the survival time (>9.0 mo) was affected by different treatments with the order of adjuvant chemoradiotherapy (cXRT) > adjuvant radiation > adjuvant chemotherapy > surgery alone. For patients with node-positive disease, the larger benefit predicted by the model is adjuvant chemoradiotherapy. The survival analysis showed that there was a significant difference among the different adjuvant therapy groups (log rank, surgery alone vs CTx, P < 0.001; surgery alone vs XRT, P = 0.014; surgery alone vs cXRT, P < 0.001).CONCLUSIONThe BN-based survival prediction model can be used as a decision-making support tool for advanced GBC patients. Adjuvant chemoradiotherapy is expected to improve the survival significantly for patients with node-positive disease.
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