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A Pilot Randomized Crossover Trial Assessing the Safety and Short-Term Effects of Pomegranate Supplementation in Hemodialysis Patients.
MedLine Citation:
PMID:  25218876     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: Oxidative stress and systemic inflammation are highly prevalent in patients undergoing maintenance hemodialysis (MHD) and are linked to excess cardiovascular risk. This study examined whether short-term supplementation with pomegranate juice and extract is safe and well tolerated by MHD patients. The secondary aim was to assess the effect of pomegranate supplementation on oxidative stress, systemic inflammation, monocyte function, and blood pressure.
DESIGN: Prospective, randomized, crossover, pilot clinical trial (NCT01562340).
SETTING: The study was conducted from March to October 2012 in outpatient dialysis facilities in the Seattle metropolitan area.
SUBJECTS: Twenty-four patients undergoing MHD (men, 64%; mean age, 61 ± 14 years) were randomly assigned to receive pomegranate juice or extract during a 4-week intervention period. After a washout period, all patients received the alternative treatment during a second 4-week intervention period.
INTERVENTION: Patients assigned to receive pomegranate juice received 100 mL of juice before each dialysis session. Patients assigned to receive pomegranate extract were given 1,050 mg of extract daily.
MAIN OUTCOME MEASURES: The main outcome measures were safety and tolerability of pomegranate juice and extract. Additional secondary outcomes assessed included serum lipids, laboratory biomarkers of inflammation (C-reactive protein and interleukin 6) and oxidative stress (plasma F2 isoprostanes and isofurans), monocyte cytokine production, and predialysis blood pressure.
RESULTS: Both pomegranate juice and extract were safe and well tolerated by study participants. Over the study period, neither treatment had a significant effect on lipid profiles, plasma C-reactive protein, interleukin 6, F2-isoprostane or isofuran concentrations, predialysis systolic or diastolic blood pressure nor changed the levels of monocyte cytokine production.
CONCLUSIONS: Both pomegranate juice and extract are safe and well tolerated by patients undergoing MHD but do not influence markers of inflammation or oxidative stress nor affect predialysis blood pressure.
Authors:
Matthew B Rivara; Rajnish Mehrotra; Lori Linke; John Ruzinski; T Alp Ikizler; Jonathan Himmelfarb
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-9-10
Journal Detail:
Title:  Journal of renal nutrition : the official journal of the Council on Renal Nutrition of the National Kidney Foundation     Volume:  -     ISSN:  1532-8503     ISO Abbreviation:  J Ren Nutr     Publication Date:  2014 Sep 
Date Detail:
Created Date:  2014-9-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9112938     Medline TA:  J Ren Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 National Kidney Foundation, Inc. Published by Elsevier Inc. All rights reserved.
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