Dataset Information

Protocol of a prospective, monocentric phase I/II feasibility study investigating the safety of multimodality treatment with a combination of intraoperative chemotherapy and surgical resection in locally confined or borderline resectable pancreatic cancer: the combiCaRe study.

ABSTRACT:

Introduction

Pancreatic cancer is a devastating disease with an exceptionally poor prognosis. Complete resection of the primary tumour followed by adjuvant chemotherapy is the current standard treatment for patients with resectable disease and the only curative treatment option. However, long-term survival remains rare. Tumour cell dissemination due to manipulation during surgery may increase the rate of future metastases and local recurrence, and perioperative chemotherapy might diminish local, distant and circulating minimal residual disease. Yet, safety and feasibility of systemic chemotherapeutic treatments during pancreatic cancer resection have to be evaluated in a first instance.

Methods and analysis

This is a prospective, single-centre phase I/II feasibility study to investigate the safety and tolerability of a combination of intraoperative chemotherapy and surgical resection in pancreatic cancer. Forty patients with locally confined or borderline resectable pancreatic cancer, meeting all proposed criteria will be included. Participants will receive 400?mg/m² calcium folinate over 2?hours and 2000?mg/m² 5-fluorouracil over 48?hours, started on the day before pancreatic surgery and thus continuing during surgery. Participants will be followed until 60 days after surgery. The primary endpoint is the 30-day overall complication rate according to the Clavien-Dindo classification. Secondary endpoints comprise toxicity and treatment associated complications. Patients receiving perioperative chemotherapy will be compared with a propensity score matched contemporary control group of 70 patients with pancreatic cancer receiving the standard treatment. This trial also contains an ancillary translational study to analyse disseminated tumour cells and effects of pharmacological interventions in pancreatic cancer.

Ethics and dissemination

CombiCaRe has been approved by the German Federal Institute for Drugs and Medical Devices (reference number 4042787) and the Medical Ethics Committee of Heidelberg University (reference number AFmo-269/2018). The results of this trial will be presented at national and international conferences and published in peer-reviewed journals.

Trial registration number

German Clinical Trials Register (DRKS00015766).

SUBMITTER: Roth S

PROVIDER: S-EPMC6707702 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Publications

Protocol of a prospective, monocentric phase I/II feasibility study investigating the safety of multimodality treatment with a combination of intraoperative chemotherapy and surgical resection in locally confined or borderline resectable pancreatic cancer: the combiCaRe study.

Roth Susanne S Springfeld Christoph C Diener Markus K MK Tjaden Christine C Knebel Phillip P Klaiber Ulla U Michalski Christoph W CW Mieth Markus M Jäger Dirk D Büchler Markus W MW Hackert Thilo T

BMJ open 20190820 8

<h4>Introduction</h4>Pancreatic cancer is a devastating disease with an exceptionally poor prognosis. Complete resection of the primary tumour followed by adjuvant chemotherapy is the current standard treatment for patients with resectable disease and the only curative treatment option. However, long-term survival remains rare. Tumour cell dissemination due to manipulation during surgery may increase the rate of future metastases and local recurrence, and perioperative chemotherapy might diminis ...[more]

PMID: 31434770

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Project description:ImportanceChemotherapy is the recommended induction strategy in borderline resectable and locally advanced pancreatic ductal adenocarcinoma. However, the associated results on an intention-to-treat basis are poorly understood.ObjectiveTo investigate pragmatically the treatment compliance, conversion to surgery, and survival outcomes of patients with borderline resectable and locally advanced pancreatic ductal adenocarcinoma undergoing primary chemotherapy.Design, setting, and participantsThis prospective study took place in a national referral center for pancreatic diseases in Italy. Consecutive patients with borderline resectable and locally advanced pancreatic ductal adenocarcinoma were enrolled at the time of diagnosis (January 2013 through December 2015) and followed up to June 2018.ExposuresThe chemotherapy regimen, assigned based on multidisciplinary evaluation, was delivered either at a hub center or at spoke centers. By convention, primary chemotherapy was considered completed after 6 months. After restaging, surgical candidates were selected based on radiologic and biochemical response. All surgeries were carried out at the hub center.Main outcomes and measuresRates of receipt and completion of chemotherapy, rates of conversion to surgery, and disease-specific survival.ResultsOf 680 patients, 267 (39.3%) had borderline resectable and 413 (60.7%) had locally advanced pancreatic ductal adenocarcinoma. Overall, 66 patients (9.7%) were lost to follow-up. The rate of chemotherapy receipt was 92.9% (n = 570). The chemotherapeutic regimens most commonly used included FOLFIRINOX (fluorouracil, leucovorin, oxaliplatin, and irinotecan) (260 [45.6%]) and gemcitabine plus nanoparticle albumin-bound-paclitaxel (123 [21.6%]). Nineteen patients (3.3%) receiving chemotherapy died within 6 months, mainly for disease progression. The treatment completion rate was 71.6% (408 of 570). The overall rate of resection was 15.1% (93 of 614) (borderline resectable, 60 of 249 [24.1%]; locally advanced, 33 of 365 [9%]; resection:exploration ratio, 63.3%). Independent predictors of resection were age, borderline resectable disease, chemotherapy completion, radiologic response, and biochemical response. The median survival for the whole cohort was 12.8 (95% CI, 11.7-13.9) months. Factors independently associated with survival were completion of chemotherapy, receipt of complementary radiation therapy, and resection. In patients who underwent resection, the median survival was 35.4 (95% CI, 27.0-43.7) months for initially borderline resectable and 41.8 (95% CI, 27.5-56.1) months for initially locally advanced disease. No pretreatment and posttreatment factors were associated with survival after pancreatectomy.Conclusions and relevanceThis pragmatic observational cohort study with an intention-to-treat design provides real-world evidence of outcomes associated with the most current primary chemotherapy regimens used for borderline resectable and locally advanced pancreatic ductal adenocarcinoma.

Project description:Pancreatic ductal adenocarcinoma (PDAC) is currently ranked fourth place of cancer related mortality. Only a minority of 10-20% of patients with PDAC have a primarily resectable disease, while 50-60% of the patients are diagnosed with irresectable disease. A certain group of patients is defined as "borderline resectable", which is mainly relied to contact of the tumor to major abdominal vessels. For preoperative evaluation of resectability CT and MRI is commonly used. Although CT-scanning, which is the standard preoperative imaging modality, has striking limitations concerning evaluation of lymph node status as well as vessel involvement and approximately 20% of the patients are staged incorrectly. A central part of modern therapy of locally advanced or not primarily resectable PDAC is neoadjuvant therapy. Especially neoadjuvant chemotherapy according to the FOLFIRINOX protocol resulted in high resection rates of initially not resectable patients. Furthermore, treatment with FOLFIRINOX was shown to be an independent predictor of improved prognosis and resection after neoadjuvant treatment with FOLFIRINOX was associated with improved survival. Neoadjuvant treatment was able to increases the rates of R0 resection, which depicts an independent prognostic factor and FOLFIRINOX outmatched other treatment regimes (e.g., gemcitabine-based radio-chemotherapy) concerning achievement of a R0 resection. While most evidence of neoadjuvant treatment of PDAC is conferred by retrospective analysis, there is growing data from randomized controlled trials, confirming the beneficial effects of neoadjuvant therapy on the prognosis of PDAC. Thus, patients with borderline resectable and locally advanced PDAC should be evaluated for neoadjuvant treatment. If there is no progression of the disease during neoadjuvant treatment exploration with the goal of R0 resection should be performed. If possible, patients should be included in well-designed randomized controlled trials at specialized pancreatic centers.

Dataset Information

Protocol of a prospective, monocentric phase I/II feasibility study investigating the safety of multimodality treatment with a combination of intraoperative chemotherapy and surgical resection in locally confined or borderline resectable pancreatic cancer: the combiCaRe study.

Introduction

Methods and analysis

Ethics and dissemination

Trial registration number

Publications

Protocol of a prospective, monocentric phase I/II feasibility study investigating the safety of multimodality treatment with a combination of intraoperative chemotherapy and surgical resection in locally confined or borderline resectable pancreatic cancer: the combiCaRe study.

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