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Tolerance and incorporation of a high-dose eicosapentaenoic acid diester emulsion by patients with pancreatic cancer cachexia

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Lipids

Abstract

Chemotherapy and radiotherapy offer little benefit to patients with advanced pancreatic cancer. Eicosapentaenoic acid (EPA) has anticancer effects both in vitro and in animal models. The dose of EPA that can be administered to cancer patients has previously been limited by the low purity of available preparations and the tolerability of large capsules. A high-purity preparation of EPA as a 20% oil-in-water diester emulsion allowed a small study of the tolerance, incorporation, and effects of EPA in high doses in five patients with advanced pancreatic cancer. Patients underwent assessment at baseline and every 4 wk thereafter. All patients managed to tolerate a dose providing 18 g EPA per day, with doses between 9 and 27 g daily being taken for at least a month. Dosage was limited by a sensation of fullness, cramping abdominal pain, steatorrhea, and nausea. All such symptoms were controlled by dose reduction or pancreatic enzyme supplements. No other adverse effects attributable to the trial agent were observed. Plasma phospholipid EPA content increased from around 1% at baseline to 10% at 4 wk and 20% at 8 wk. Incorporation of EPA into red blood cell phospholipids reached levels of around 10%. The present study has shown that a novel, high-purity, EPA diester emulsion can be tolerated at a dose providing around 18 g EPA per day with side-effects being easily controlled. The acceptibility of large doses of oral EPA should allow larger controlled clinical studies into potential anticancer effects of EPA.

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Abbreviations

DHA:

docosahexaenoic acid

EPA:

eicosapentaenoic acid

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Authors and Affiliations

  1. Royal Infirmary of Edinburgh, University Department of Surgery, EH3 9YW, Edinburgh, Scotland, UK

    Matthew D. Barber & Kenneth C. H. Fearon

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  1. Matthew D. Barber
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  2. Kenneth C. H. Fearon
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Correspondence to Kenneth C. H. Fearon.

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Barber, M.D., Fearon, K.C.H. Tolerance and incorporation of a high-dose eicosapentaenoic acid diester emulsion by patients with pancreatic cancer cachexia. Lipids 36, 347–351 (2001). https://doi.org/10.1007/s11745-001-0726-4

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  • DOI: https://doi.org/10.1007/s11745-001-0726-4

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