Cited by 564Parathyroid Disorders and TreatmentsDialysis and Renal Disease ManagementChronic Kidney Disease and Diabetes

Vegetarian compared with meat dietary protein source and phosphorus homeostasis in chronic kidney disease

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Moe, Sharon M., Zidehsarai, Miriam P., Chambers, Mary A., Jackman, Lisa A., Radcliffe, J. Scott, Trevino, Laurie L., Donahue, Susan E., Asplin, John R.·2011·Clinical Journal of the American Society of Nephrology

Abstract

BACKGROUND AND OBJECTIVES: Patients with advanced chronic kidney disease (CKD) are in positive phosphorus balance, but phosphorus levels are maintained in the normal range through phosphaturia induced by increases in fibroblast growth factor-23 (FGF23) and parathyroid hormone (PTH). This provides the rationale for recommendations to restrict dietary phosphate intake to 800 mg/d. However, the protein source of the phosphate may also be important. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a crossover trial in nine patients with a mean estimated GFR of 32 ml/min to directly compare vegetarian and meat diets with equivalent nutrients prepared by clinical research staff. During the last 24 hours of each 7-day diet period, subjects were hospitalized in a research center and urine and blood were frequently monitored. RESULTS: The results indicated that 1 week of a vegetarian diet led to lower serum phosphorus levels and decreased FGF23 levels. The inpatient stay demonstrated similar diurnal variation for blood phosphorus, calcium, PTH, and urine fractional excretion of phosphorus but significant differences between the vegetarian and meat diets. Finally, the 24-hour fractional excretion of phosphorus was highly correlated to a 2-hour fasting urine collection for the vegetarian diet but not the meat diet. CONCLUSIONS: In summary, this study demonstrates that the source of protein has a significant effect on phosphorus homeostasis in patients with CKD. Therefore, dietary counseling of patients with CKD must include information on not only the amount of phosphate but also the source of protein from which the phosphate derives.

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  • In a trial, participants on diets with equivalent nutrient content had lower serum phosphorus and phosphorus excretion when the protein source was vegetarian compared to animal-based.

    “participants on diets with equivalent nutrient content had lower serum phosphorus and phosphorus excretion when the protein source was vegetarian as compared to animal-based [103].”

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  1. [6]6. Kidney Disease: Improving Global Outcomes (KDIGO) CKD-MBD Work Group: KDIGO clinical practice guidelines for the management of CKD-MBD. Kidney Int Suppl 76: S1–S130, 2009 [DOI] [PubMed] [Google Scholar]

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Authors
Moe, S. M., Zidehsarai, M. P., Chambers, M. A., Jackman, L. A., Radcliffe, J. S., Trevino, L. L., Donahue, S. E., & Asplin, J. R.
Affiliations
  • Richard L. Roudebush VA Medical Center (US)
  • Indiana University Indianapolis (US)
  • Purdue University West Lafayette (US)
Corresponding author
  • Moe, Sharon M.
  • Zidehsarai, Miriam P.
  • Chambers, Mary A.
  • Trevino, Laurie L.
Venue
Clinical Journal of the American Society of Nephrology
Published
2011-02
Volume
6
Issue
2
Pages
257-264
ISSN
1555-9041 (ISSN-L)
OpenAlex
W2100644178
Cited by
564
References
39
Citations by year
2026: 22 · 2025: 27 · 2024: 21 · 2023: 31 · 2022: 40 · 2021: 65 · 2020: 53 · 2019: 28 · 2018: 33 · 2017: 47 · 2016: 45 · 2015: 40 · 2014: 25 · 2013: 48 · 2012: 29
FWCI
21.70
Type
journal article
Language
en
Open access
Locations
  • Clinical Journal of the American Society of Nephrology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Indiana Clinical and Translational Sciences Institute
  • Ministry of Earth Sciences
  • Ministry of Education, India
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK002775, K24DK002775)
  • National Center for Research Resources (UL RR025761, UL1RR025761)
Topics
  • Health Sciences › Medicine › Nephrology › Parathyroid Disorders and Treatments
  • Health Sciences › Medicine › Nephrology › Dialysis and Renal Disease Management
  • Health Sciences › Medicine › Nephrology › Chronic Kidney Disease and Diabetes
Keywords
chronic kidney disease, phosphorus homeostasis, vegetarian diet, meat proteins, dietary protein source, phosphorus balance, fibroblast growth factor 23, parathyroid hormone, serum phosphorus, dietary phosphorus restriction
MeSH terms
Fibroblast Growth Factor-23, Aged, Calcium, Chronic Disease, Dietary Proteins, Female, Fibroblast Growth Factors, Glomerular Filtration Rate, Homeostasis, Humans, Indiana, Kidney Diseases, Male, Meat, Middle Aged, Parathyroid Hormone, Plant Proteins, Time Factors, Diet, Vegetarian, Biomarkers, Linear Models, Phosphorus, Dietary, Cross-Over Studies

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