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Clinical Trial
. 2004 May 1;100(9):1967-77.
doi: 10.1002/cncr.20160.

Palliative Nutritional Intervention in Addition to Cyclooxygenase and Erythropoietin Treatment for Patients With Malignant Disease: Effects on Survival, Metabolism, and Function

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Clinical Trial

Palliative Nutritional Intervention in Addition to Cyclooxygenase and Erythropoietin Treatment for Patients With Malignant Disease: Effects on Survival, Metabolism, and Function

Kent Lundholm et al. Cancer. .
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Abstract

Background: The role of nutrition in the palliative treatment of patients with malignancy-related cachexia is unclear. The goal of the current study was to determine whether specialized, nutrition-focused patient care could improve integrated whole-body metabolism and functional outcome in unselected weight-losing patients with malignant disease who were receiving systemic antiinflammatory (cyclooxygenase [COX]-inhibitory) treatment along with erythropoietin (EPO) support.

Methods: Three hundred nine patients with malignant disease who experienced progressive cachexia due to solid tumors (primarily gastrointestinal lesions) were randomized to receive a COX inhibitor (indomethacin, 50 mg twice daily) and EPO (15-40,000 units per week) along with specialized, nutrition-focused patient care (oral nutritional support and home total parenteral nutrition [TPN]) provided on a patient-by-patient basis to attenuate inflammation, prevent anemia, and improve nutritional status. Control patients received the same indomethacin and EPO doses that study patients received without the added nutritional support. All patients were treated and followed until death. Biochemical assays (blood, liver, kidney, and thyroid), nutritional state assessment (food intake and body composition), and exercise testing with simultaneous measurement of whole-body respiratory gas exchange before and during exercise were performed before the start of treatment and then at regular intervals during the treatment period (every 2-30 months after treatment initiation). Statistical analyses were performed on 'intention-to-treat' and 'as-treated' bases.

Results: Home TPN was provided to approximately 50% of the study patients without severe complications. Over the entire observation period, rhEPO prevented the development of anemia in both study patients and control patients. Intention-to-treat analysis revealed an improvement in energy balance for nutritionally supported patients (P < 0.03); no other significant differences in outcome between study patients and control patients were observed. As-treated analysis demonstrated that patients receiving nutrition experienced prolonged survival (P < 0.01), which was accompanied by improved energy balance (P < 0.001), increasing body fat (P < 0.05), and a greater maximum exercise capacity (P < 0.04). A trend toward increased metabolic efficiency at maximum exercise (P < 0.06) for study patients relative to control patients also was observed.

Conclusions: The results of the current study strongly support that nutrition is a limiting factor influencing survival and that nutritional support protects integrated metabolism and metabolic function in patients with progressive cachexia secondary to malignant disease.

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