Preprint / Version 1

Role of Alternative Medical Systems in Adult Chronic Kidney Disease Patients: A Systematic Review of Literature

Authors

  • Wei Teo Biological Sciences, National University of Singapore, Singapore, SGP
  • Shu Chu Anesthesiology and Perioperative Medicine, Singapore General Hospital, Singapore, SGP
  • Li Chow Accounting, Singapore Management University, Singapore, SGP
  • Cheng Yeam Anesthesiology, Ministry of Health Holdings, Singapore, SGP
  • Lian Low Family Medicine and Continuing Care, Singapore General Hospital, Singapore, SGP
  • Joanne Quah Family Medicine, SingHealth Polyclinics, Singapore, SGP
  • Marjorie Foo Renal Medicine, Singapore General Hospital, Singapore, SGP
  • Jun Seng Family Medicine, Singapore Health Services, Singapore, SGP

Keywords:

renal insufficiency, chronic kidney diseases, complementary therapies, therapeutics, alternative medical systems, systematic reviews

Abstract

There is a growing interest in the use of alternative medical systems (AMS), such as traditional Chinese medicine (TCM), ayurveda, homeopathy, and naturopathy, among chronic kidney disease patients. This review summarizes the efficacy and safety of AMS interventions in chronic kidney disease (CKD) patients. A systematic review was conducted in MEDLINE, Embase, Scopus, CINAHL, CENTRAL, and PsycINFO in line with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and Synthesis without meta-analysis (SWiM) guidelines. Randomized controlled trials (RCTs) which evaluated the use of AMS among adult CKD patients were included. The efficacy of each AMS was assessed based on improvement in biochemical markers or reduction in symptom severity scores. All adverse reactions were recorded. Of the 14,583 articles retrieved, 33 RCTs were included. TCM (n=20) and ayurveda (n=6) were the most well-studied. Majority of studies (66.7%) had a sample size <100. Common indications evaluated included improvement in renal function (n=12), proteinuria (n=5), and uremic pruritus (n=5). Among TCM, acupuncture and syndromes-based TCM granules formulation were shown to improve estimated glomerular filtration rate (eGFR) by 5.1-15.5% and 7.07-8.12% respectively. Acupuncture reduced uremic pruritus symptoms by 54.7-60.2% while Huangkui, Shenqi granules, and Tripterygium wilfordii Hook F reduced proteinuria by 18.6-50.7%, 61.8%, and 32.1% respectively. For Ayurveda, camel milk and Nigella sativa oil improved eGFR by 16.9% and 86.8%, respectively, while capsaicin reduced pruritus scores by 84.3%. Homeopathic verum medication reduced pruritus scores by 29.2-41.5%. Nausea was the most common adverse effect reported with alpha-keto amino acids (0.07%), Nigella sativa oil (7.04%), and silymarin (10%). TCM and ayurveda were more well-studied AMS therapies that demonstrated efficacy in CKD patients. RCTs with larger sample sizes are needed to ascertain the efficacy and safety of promising AMS. Keywords: renal insufficiency, chronic kidney diseases, complementary therapies, therapeutics, alternative medical systems, systematic reviews

Author Biography

Jun Seng, Family Medicine, Singapore Health Services, Singapore, SGP

Medicine, Ministry of Health Holdings, Singapore, SGP

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