Abstract
Background
Home parenteral nutrition (HPN) is indicated for patients with intestinal failure, but its use in cancer patients requires careful consideration due to the unique challenges and complexities involved.
Methods
This prospective cohort study analyzed data from cancer patients receiving HPN, recorded in the Canadian HPN Registry from 2003 to 2022. Patients were divided into two groups: those with gastrointestinal or gynecologic cancer and a propensity score-matched cohort of non-cancer patients. The objective was to assess survival rates by performance status and prescription decade in both groups. Secondary objectives were to compare complications between the groups.
Results
A total of 400 HPN patients were enrolled: 200 cancer patients (128 gastrointestinal, 72 gynecologic) and 200 matched non-cancer patients. Median age (interquartile range) was 58 (16) years for cancer and 56 (19) for non-cancer groups, with 71.5% and 66.5% female, respectively. Median survival was 1.71 years (95% confidence interval (CI), 0.81–2.61) for gastrointestinal cancer, 0.99 years (95% CI, 0.36–1.6) for gynecologic cancer, and 3.89 years (95% CI, 2.72–5.06) for non-cancer patients (p-value < 0.001). Survival showed no improvement over two decades. Patients with Karnofsky Performance Scale (KPS) ≤ 50 had shorter survival. Catheter complications and HPN-related hospitalizations were similar, but HPN-related liver disease was more common in non-cancer patients (16.5% vs. 9%, p-value = 0.025).
Conclusion
Survival for patients with gastrointestinal and gynecologic cancer and co-existing intestinal failure has not improved over the past two decades, with poorer outcomes observed in those with low KPS. Complication rates were similar in both groups.

Graphical abstract: Created in BioRender. Unhapipatpong, C. (2025) https://BioRender.com/l25d998.
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Data availability
Data described in the manuscript, code book, and analytic code will be made available upon request pending application and approval. Supplementary files are available online.
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Acknowledgements
Participating programs of the Canadian Home Parenteral Nutrition Registry: 1. Toronto General Hospital, University of Toronto, Toronto, ON, Canada, PI: Johane P. Allard,MD; Celeste Arca, RN; Patricia Kim, PharmD; Ann MacGillvray, RD; Katherine Schwenger RD, MAN, PhD. 2. Northern Alberta Health Services, University of Alberta, Edmonton, AB, Canada, PI: Leah Gramlich, MD; Jennifer Jin, MD; Adela Delgado, RD, Nicole Anderson RN, Kimberly Johnston RN, Bianca Spark RN, Loretta Vogt RN. 3. University of British Columbia, Vancouver, BC, Canada, PI: Dr Scott Whittaker, MD; Andree Richardson, RD; Greg Rosenfeld, MD; Hin Ko, MD; Nicole Beauregard, RD; Jennifer Lazuna, RN. 4. Division of Gastroenterology and Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada, PI: David Armstrong, MD; Carol Lynn Godin, RN; Anne Childs, RN; Michelle Dawson, RN; Suzanne Hansen, RD. 5. St. Michael’s Hospital, University of Toronto, Toronto, ON, Canada: Brian Jurewitsch, PharmD; Camille Sagun, RN; Tracey Pignatiello, RN. 6. Hotel-Dieu de Quebec, Quebec, QC, Canada, PI: Anabelle Cloutier, MD. 7. Southern Alberta Health Services, Calgary, AB, Canada, Maitreyi Raman, MD; Cathy Berry, RN; Kelly Cochran, RD; Melanie Stapleton, MD;Sari Czink, RD. 8. University of Manitoba, Winnipeg, MB, Canada, PI: Donald Duerksen, MD. 9. Regina Saskatchewan Health Authority, Regina, SK, Canada, PI: J.D McHattie, MD; Danielle Stevenson, RN. 10. The Ottawa Hospital, Ottawa, Ontario, Canada (PI: Barbara Bielawska, MD; Jennifer Okhrimtchouk, RD; Rita Johnston, RN). 11. Centre Hospitalier de l’Université de Montréal, Montreal, Quebec,Canada (PI : Dane Christina Daoud, MD; Esther Lalonde : RD; Alejandro Contreras : RN). 12. McGill University Health Center, Montreal, Quebec, Canada (PI: Yidan Lu, MD).
Financial disclosures
Ontario Medical Supply is a pharmaceutical company providing unrestricted funding for the maintenance of the HPN registry. It is not a study sponsor and had no influence on study design.
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CU, KJPS, DA, BB, BJ, JM, DRD, YL, DCD, AC, MR, LG, GO, and JA contributed to the study conception and design. Material preparation, data collection, and analysis were performed by CU, KJPS, and JA. The first draft of the manuscript was written by CU and KJPS, and DA, BB, BJ, JM, DRD, YL, DCD, AC, MR, LG, GO, and JA commented on previous versions of the manuscript. CU, KJPS, DA, BB, BJ, JM, DRD, YL, DCD, AC, MR, LG, GO, and JA read and approved the final manuscript.
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Unhapipatpong, C., Schwenger, K.J.P., Armstrong, D. et al. Comparative clinical outcomes of home parenteral nutrition in adults with gastrointestinal or gynecologic cancers versus non-cancer patients: a prospective cohort study using propensity score matching from the Canadian HPN registry. Eur J Clin Nutr 79, 1036–1045 (2025). https://doi.org/10.1038/s41430-025-01640-y
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DOI: https://doi.org/10.1038/s41430-025-01640-y


