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Validation and application of a prognostic model for patients with advanced pancreatic cancer receiving palliative chemotherapy.

ABSTRACT: BACKGROUND:We previously developed a robust prognostic model (GS model) to predict the survival outcome of patients with advanced pancreatic cancer (APC) receiving palliative chemotherapy with gemcitabine plus S-1 (GS). This study aimed to validate the application of the GS model in APC patients receiving chemotherapy other than the GS regimen. PATIENTS AND METHODS:We retrospectively analyzed 727 APC patients who received first-line palliative chemotherapy other than the GS regimen between 2010 and 2016 at four institutions in Taiwan. The patients were categorized into three prognostic groups based on the GS model for comparisons of survival outcome, best tumor response, and in-group survival differences with monotherapy or combination therapy. RESULTS:The median survival times for the good, intermediate, and poor prognostic groups were 13.4, 8.4, and 4.6 months, respectively. The hazard ratios for the comparisons of intermediate and poor to good prognostic groups were 1.51 (95% confidence interval [CI]), 1.22-1.88, P < .001) and 2.84 (95% CI, 2.34-3.45, P < .001). The best tumor responses with either partial response or stable disease were 57.5%, 40.4%, and 17.2% of patients in the good, intermediate, and poor prognostic groups (P < .001), respectively. For patients in the good prognostic group, first-line chemotherapy with monotherapy and combination therapy had similar median survival times (13.8 vs 12.9 months, P = .26), while combination therapy showed a better median survival time than monotherapy in patients in the intermediate and poor prognostic groups (8.5 vs 8.0 months, P = .038 and 5.7 vs 3.7 months, P = .001, respectively). CONCLUSION:The results of our study supported the application of the GS model as a general prognostic tool for patients with pancreatic cancer receiving first-line palliative chemotherapy with gemcitabine-based regimens.

SUBMITTER: Huang PW

PROVIDER: S-EPMC6745849 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Validation and application of a prognostic model for patients with advanced pancreatic cancer receiving palliative chemotherapy.

Huang Pei-Wei PW Chang Ching-Fu CF Hung Chia-Yen CY Hsueh Shun-Wen SW Chang Pei-Hung PH Yeh Kun-Yun KY Chen Jen-Shi JS Chen Yen-Yang YY Lu Chang-Hsien CH Hung Yu-Shin YS Chou Wen-Chi WC

Cancer medicine 20190806 12

<h4>Background</h4>We previously developed a robust prognostic model (GS model) to predict the survival outcome of patients with advanced pancreatic cancer (APC) receiving palliative chemotherapy with gemcitabine plus S-1 (GS). This study aimed to validate the application of the GS model in APC patients receiving chemotherapy other than the GS regimen.<h4>Patients and methods</h4>We retrospectively analyzed 727 APC patients who received first-line palliative chemotherapy other than the GS regime ...[more]

PMID: 31385456

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Project description:Background & aimsAdvanced biliary tract cancer (ABTC) is associated with a poor prognosis. Real-world data on the outcome of patients with ABTC undergoing sequential chemotherapies remain scarce, and little is known about treatment options beyond the established first- and second-line treatments with gemcitabine + cisplatin and FOLFOX. This study aimed to evaluate the outcome of patients with regard to different oncological therapies and to identify prognostic factors.MethodsFrom January 2010 until December 2019, 142 patients started palliative chemotherapy at our tertiary care liver center. Overall survival (OS) was calculated using Kaplan-Meier plots. Prognostic factors were evaluated using cox proportional-hazards.ResultsPatients received a median number of 2 lines of chemotherapy. Median OS was 6.7, 15.2 and 18.2 months for patients who received 1, 2 and 3 lines of chemotherapy, respectively. Patients treated with FOLFIRINOX had a significantly extended OS of 23.8 months (log-rank test: p = 0.018). The univariate cox regression analysis identified several clinical parameters associated with survival (e.g. albumin, bilirubin, carcinoembryonic antigen, carbohydrate antigen 19-9 levels).ConclusionsOur study provides real-world data on the prognosis of ABTC including survival times for patients receiving third and later lines of chemotherapy.Lay summaryReal-world data depicting the outcome of patients with advanced biliary tract cancer outside the framework of controlled trials remain rare despite being extremely important for clinical decision-making. This study therefore provides important real-world data on the established first- and second-line treatments with gemcitabine + cisplatin and FOLFOX, as well as on other chemotherapy regimens or later lines of chemotherapy. It further demonstrates that the use of FOLFIRINOX is associated with promising survival and that there is an association between various clinical parameters such as pre-therapeutic albumin, bilirubin or carbohydrate antigen 19-9 levels and survival.

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Validation and application of a prognostic model for patients with advanced pancreatic cancer receiving palliative chemotherapy.

Publications

Validation and application of a prognostic model for patients with advanced pancreatic cancer receiving palliative chemotherapy.

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