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Pancreatic Enzyme Replacement Therapy in Pancreatic Cancer.

ABSTRACT: Pancreatic cancer is an aggressive malignancy and the seventh leading cause of global cancer deaths in industrialised countries. More than 80% of patients suffer from significant weight loss at diagnosis and over time tend to develop severe cachexia. A major cause of weight loss is malnutrition. Patients may experience pancreatic exocrine insufficiency (PEI) before diagnosis, during nonsurgical treatment, and/or following surgery. PEI is difficult to diagnose because testing is cumbersome. Consequently, PEI is often detected clinically, especially in non-specialised centres, and treated empirically. In this position paper, we review the current literature on nutritional support and pancreatic enzyme replacement therapy (PERT) in patients with operable and non-operable pancreatic cancer. To increase awareness on the importance of PERT in pancreatic patients, we provide recommendations based on literature evidence, and when data were lacking, based on our own clinical experience.

SUBMITTER: Pezzilli R

PROVIDER: S-EPMC7073203 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Pancreatic Enzyme Replacement Therapy in Pancreatic Cancer.

Pezzilli Raffaele R Caccialanza Riccardo R Capurso Gabriele G Brunetti Oronzo O Milella Michele M Falconi Massimo M

Cancers 20200122 2

Pancreatic cancer is an aggressive malignancy and the seventh leading cause of global cancer deaths in industrialised countries. More than 80% of patients suffer from significant weight loss at diagnosis and over time tend to develop severe cachexia. A major cause of weight loss is malnutrition. Patients may experience pancreatic exocrine insufficiency (PEI) before diagnosis, during nonsurgical treatment, and/or following surgery. PEI is difficult to diagnose because testing is cumbersome. Conse ...[more]

PMID: 31979186

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Project description:BackgroundMost people with cystic fibrosis (CF) (80% to 90%) need pancreatic enzyme replacement therapy (PERT) to prevent malnutrition. Enzyme preparations need to be taken whenever food is taken, and the dose needs to be adjusted according to the food consumed. A systematic review on the efficacy and safety of PERT is needed to guide clinical practice, as there is variability between centres with respect to assessment of pancreatic function, time of commencing treatment, dose and choice of supplements. This is an updated version of a published review.ObjectivesTo evaluate the efficacy and safety of PERT in children and adults with CF and to compare the efficacy and safety of different formulations of PERT and their appropriateness in different age groups. Also, to compare the effects of PERT in CF according to different diagnostic subgroups (e.g. different ages at introduction of therapy and different categories of pancreatic function).Search methodsWe searched the Cochrane Cystic Fibrosis and Genetic Disorders Group Trials Register comprising references identified from comprehensive electronic database searches and handsearches of relevant journals and abstract books of conference proceedings. Most recent search: 07 November 2019. We also searched an ongoing trials website and the websites of the pharmaceutical companies who manufacture pancreatic enzyme replacements for any additional trials. Most recent search: 26 December 2019.Selection criteriaRandomised and quasi-randomised controlled trials in people of any age, with CF and receiving PERT, at any dosage and in any formulation, for a period of not less than four weeks, compared to placebo or other PERT preparations.Data collection and analysisTwo authors independently assessed trials and extracted outcome data. They also assessed the risk of bias and quality of the evidence (GRADE) of the trials included in the review.Main results14 trials were included in the review (641 children and adults with CF), two of these were parallel trials and 12 were cross-over trials. Interventions included different enteric and non-enteric-coated preparations of varying formulations in comparison to each other. The number of participants in each trial varied between 14 and 129. 13 trials were for a duration of four weeks and one trial lasted seven weeks. The majority of the trials had an unclear risk of bias from the randomisation process as the details of this were not given; they also had a high risk of attrition bias and reporting bias. The quality of the evidence ranged from moderate to very low. We mostly could not combine data from the trials as they compared different formulations and the findings from individual trials provided insufficient evidence to determine the size and precision of the effects of different formulations.Authors' conclusionsThere is limited evidence of benefit from enteric-coated microspheres when compared to non-enteric coated pancreatic enzyme preparations up to one month. In the only comparison where we could combine any data, the fact that these were cross-over trials is likely to underestimate the level of inconsistency between the results of the trials due to over-inflation of CIs from the individual trials.There is no evidence on the long-term effectiveness and risks associated with PERT. There is also no evidence on the relative dosages of enzymes needed for people with different levels of severity of pancreatic insufficiency, optimum time to start treatment and variations based on differences in meals and meal sizes. There is a need for a properly designed trial that can answer these questions.

Project description:BackgroundPancreatic cancer is the fourth leading cause of cancer mortality. Most patients are diagnosed with advanced pancreatic cancer, either at locally advanced or metastatic stages, and have a high rate of malnutrition and weight loss which are associated with poor outcomes. Pancreatic exocrine insufficiency is one of the causes of malnutrition and weight loss in these patients. The prevalence and clinical consequences of pancreatic exocrine insufficiency in advanced pancreatic cancer are poorly investigated with heterogeneous results. We sought to determine the prevalence and clinical consequences of pancreatic exocrine insufficiency and the effect of pancreatic enzyme replacement therapy in patients with advanced pancreatic cancer by systematic review and meta-analysis.MethodsScopus, Medline, and Embase were searched for cohort studies or randomised clinical trials reporting pancreatic exocrine insufficiency and/or the effect of pancreatic enzyme replacement therapy in patients with advanced pancreatic cancer. We considered pancreatic exocrine insufficiency as an abnormal result on direct and/or indirect pancreatic exocrine function tests. Pancreatic enzyme replacement therapy was evaluated by its effect on survival and quality of life in patients with advanced pancreatic cancer.ResultsA total of 11 studies were included; seven studies reported the prevalence of pancreatic exocrine insufficiency and seven the effect of pancreatic enzyme replacement therapy in advanced pancreatic cancer. The pooled prevalence of pancreatic exocrine insufficiency in advanced pancreatic cancer was 72% (95% confidence interval: 55-86%), being significantly higher when tumours were located in the pancreatic head (relative risk = 3.36, 1.07-10.54; p = 0.04) six studies investigated the impact of pancreatic enzyme replacement therapy on survival/quality of life. Pancreatic enzyme replacement therapy was associated with 3.8 months (95% confidence interval: 1.37-6.19) survival benefit. Patients receiving pancreatic enzyme replacement therapy had a trend towards a better quality of life.Conclusions The prevalence of pancreatic exocrine insufficiency in advanced pancreatic cancer is substantial and its treatment can improve the outcomes of these patients.

Dataset Information

Pancreatic Enzyme Replacement Therapy in Pancreatic Cancer.

Publications

Pancreatic Enzyme Replacement Therapy in Pancreatic Cancer.

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