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Effect of Camel Milk on Glucose Homeostasis in Patients with Diabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
Nutrients. 2022 Mar 15; 14(6)N

Abstract

The effects of camel milk (CM) intake on glycemic control in patients with diabetes are controversial. This systematic review and meta-analysis of randomized controlled trials (RCTs) was conducted to summarize the effect of CM intake on glucose homeostasis parameters in patients with both types of diabetes mellitus; T1DM and T2DM. We searched Google Scholar, PubMed/MEDLINE, EBSCO host, CINAHL, ScienceDirect, Cochrane, ProQuest Medical, Web of Science, and Scopus databases from inception until the end of November 2021. Relevant RCTs were identified, and the effect size was reported as mean difference (MD) and standard deviation (SD). Parameters of glycosylated hemoglobin (HbA1c), fasting blood glucose (FBG), postprandial blood glucose (PBG), fasting serum insulin (FI), insulin resistance (expressed in terms of HOMA-IR), insulin dose (ID) received, serum insulin antibody (IA), and C-peptide (CP) were tested. Out of 4054 collected articles, 14 RCTs (total 663 subjects) were eligible for inclusion. The pooled results obtained using a random-effects model showed a statistically significant decrease in HbA1c levels (MD, −1.24, 95% confidence interval (CI): −2.00, −0.48, p < 0.001 heterogeneity (I2) = 94%) and ID received (MD, −16.72, 95% CI: −22.09, −11.35 p < 0.00001, I2 = 90%), with a clear tendency was shown, but non-significant, to decrease FBG (MD, −23.32, 95% CI: −47.33, 0.70, p = 0.06, I2 = 98%) in patients with diabetes who consumed CM in comparison to those on usual care. Conversely, the consumption of CM did not show significant reductions in the rest of the glucose homeostasis parameters. Subgroup analysis revealed that patients with T2DM were more beneficially affected by CM intake than those with T1DM in lowering FBG, while patients with T1DM were more beneficially affected by CM intake than those with T2DM in lowering HbA1c. Both fresh and treated (pasteurized/fermented) CM gave similar beneficial effects in lowering HbA1c. Lastly, a relatively superior effect for longer duration on shorter duration (>6 months, ≤6 months, respectively) of CM intake is found in lowering HbA1c. To conclude, long-term consumption of CM by patients with diabetes could be a useful adjuvant therapy alongside classical medications, especially in lowering the required insulin dose and HbA1c. Due to the high heterogeneity observed in the included studies, more controlled trials with a larger sample size are warranted to confirm our results and to control some confounders and interfering factors existing in the analyzed articles.

Authors+Show Affiliations

Department of Nutrition, Faculty of Pharmacy and Medical Sciences, University of Petra, P.O. Box 961343, Amman 11196, Jordan.Care and Public Health Research Institute (CAPHRI), Maastricht University, 6211 LM Maastricht, The Netherlands.Department of Clinical Nutrition and Dietetics, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates. Department of Nutrition and Dietetics, Bahrain Defense Force Royal Medical Services Hospital, Riffa P.O. Box 28743, Bahrain.Clinical Nutrition and Dietetics, Faculty of Pharmacy, Applied Science Private University, Amman 11931, Jordan.Nutrition Studies Research Group, Department of Family Medicine, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates. Primary Care, NHS North West London, London TW3 3EB, UK.Department of Health Sciences/Track of Clinical Nutrition, College of Health and Rehabilitation, Princess Nourah Bint Abdulrahman University, Riyadh 12461, Saudi Arabia.Department of Clinical Nutrition and Dietetics, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates.Department of Clinical Nutrition and Dietetics, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates.Department of Medical Laboratory Sciences, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates.Sustainable Energy & Power Systems Research Centre, RISE, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates.Department of Clinical Nutrition and Dietetics, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates.Department of Clinical Nutrition and Dietetics, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates.

Pub Type(s)

Journal Article
Meta-Analysis
Review
Systematic Review

Language

eng

PubMed ID

35334901

Citation

AlKurd, Refat, et al. "Effect of Camel Milk On Glucose Homeostasis in Patients With Diabetes: a Systematic Review and Meta-Analysis of Randomized Controlled Trials." Nutrients, vol. 14, no. 6, 2022.
AlKurd R, Hanash N, Khalid N, et al. Effect of Camel Milk on Glucose Homeostasis in Patients with Diabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Nutrients. 2022;14(6).
AlKurd, R., Hanash, N., Khalid, N., Abdelrahim, D. N., Khan, M. A. B., Mahrous, L., Radwan, H., Naja, F., Madkour, M., Obaideen, K., Abu Shihab, K., & Faris, M. (2022). Effect of Camel Milk on Glucose Homeostasis in Patients with Diabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Nutrients, 14(6). https://doi.org/10.3390/nu14061245
AlKurd R, et al. Effect of Camel Milk On Glucose Homeostasis in Patients With Diabetes: a Systematic Review and Meta-Analysis of Randomized Controlled Trials. Nutrients. 2022 Mar 15;14(6) PubMed PMID: 35334901.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effect of Camel Milk on Glucose Homeostasis in Patients with Diabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. AU - AlKurd,Refat, AU - Hanash,Nivine, AU - Khalid,Narmin, AU - Abdelrahim,Dana N, AU - Khan,Moien A B, AU - Mahrous,Lana, AU - Radwan,Hadia, AU - Naja,Farah, AU - Madkour,Mohamed, AU - Obaideen,Khaled, AU - Abu Shihab,Katia, AU - Faris,MoezAlIslam, Y1 - 2022/03/15/ PY - 2022/02/08/received PY - 2022/03/05/revised PY - 2022/03/09/accepted PY - 2022/3/26/entrez PY - 2022/3/27/pubmed PY - 2022/3/31/medline KW - Arabian camel KW - Camelus dromedaries KW - complementary and alternative medicine (CAM) KW - glucometabolic parameters KW - glycemic control KW - insulin resistance JF - Nutrients JO - Nutrients VL - 14 IS - 6 N2 - The effects of camel milk (CM) intake on glycemic control in patients with diabetes are controversial. This systematic review and meta-analysis of randomized controlled trials (RCTs) was conducted to summarize the effect of CM intake on glucose homeostasis parameters in patients with both types of diabetes mellitus; T1DM and T2DM. We searched Google Scholar, PubMed/MEDLINE, EBSCO host, CINAHL, ScienceDirect, Cochrane, ProQuest Medical, Web of Science, and Scopus databases from inception until the end of November 2021. Relevant RCTs were identified, and the effect size was reported as mean difference (MD) and standard deviation (SD). Parameters of glycosylated hemoglobin (HbA1c), fasting blood glucose (FBG), postprandial blood glucose (PBG), fasting serum insulin (FI), insulin resistance (expressed in terms of HOMA-IR), insulin dose (ID) received, serum insulin antibody (IA), and C-peptide (CP) were tested. Out of 4054 collected articles, 14 RCTs (total 663 subjects) were eligible for inclusion. The pooled results obtained using a random-effects model showed a statistically significant decrease in HbA1c levels (MD, −1.24, 95% confidence interval (CI): −2.00, −0.48, p < 0.001 heterogeneity (I2) = 94%) and ID received (MD, −16.72, 95% CI: −22.09, −11.35 p < 0.00001, I2 = 90%), with a clear tendency was shown, but non-significant, to decrease FBG (MD, −23.32, 95% CI: −47.33, 0.70, p = 0.06, I2 = 98%) in patients with diabetes who consumed CM in comparison to those on usual care. Conversely, the consumption of CM did not show significant reductions in the rest of the glucose homeostasis parameters. Subgroup analysis revealed that patients with T2DM were more beneficially affected by CM intake than those with T1DM in lowering FBG, while patients with T1DM were more beneficially affected by CM intake than those with T2DM in lowering HbA1c. Both fresh and treated (pasteurized/fermented) CM gave similar beneficial effects in lowering HbA1c. Lastly, a relatively superior effect for longer duration on shorter duration (>6 months, ≤6 months, respectively) of CM intake is found in lowering HbA1c. To conclude, long-term consumption of CM by patients with diabetes could be a useful adjuvant therapy alongside classical medications, especially in lowering the required insulin dose and HbA1c. Due to the high heterogeneity observed in the included studies, more controlled trials with a larger sample size are warranted to confirm our results and to control some confounders and interfering factors existing in the analyzed articles. SN - 2072-6643 UR - https://www.unboundmedicine.com/medline/citation/35334901/Effect_of_Camel_Milk_on_Glucose_Homeostasis_in_Patients_with_Diabetes:_A_Systematic_Review_and_Meta_Analysis_of_Randomized_Controlled_Trials_ DB - PRIME DP - Unbound Medicine ER -