Mulberry Leaf Extract and Blood Glucose Control in Diabetics
NCT ID: NCT01305434
Last Updated: 2015-02-04
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
PHASE1/PHASE2
20 participants
INTERVENTIONAL
2011-09-30
2014-12-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
DOUBLE
Study Groups
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Placebo then mulberry leaf
These patients receive placebo for two weeks, then 1 week washout, then two weeks of mulberry leaf extract.
Mulberry leaf extract effect on post prandial blood glucose
Mulberry leaf extract (400 mg, Mulberry Zuccarin, New Nordic) or placebo will be administered with meals to type 2 diabetics. Half the patients will receive mulberry leaf extract for the first two weeks and half will receive placebo. Following a one week wash out period, the interventions will be reversed for another 2 weeks, followed by a final wash out period. Subjects will keep diaries of food, exercise, daily fasting glucose, and at least one 2 hour pc glucose per day for the 6 weeks of the trial.
Baseline renal function blood work and urine, liver function blood work, hemoglobin A1C, weight, and blood pressure will be done. These will be repeated at the end of each subject's 6 weeks in the trial. In addition, blood pressure will be checked with the distribution of the each 2 week batch of medications.
Mulberry leaf then placebo
These patients receive mulberry leaf extract for two weeks, then 1 week washout, then two weeks of placebo.
Mulberry leaf extract effect on post prandial blood glucose
Mulberry leaf extract (400 mg, Mulberry Zuccarin, New Nordic) or placebo will be administered with meals to type 2 diabetics. Half the patients will receive mulberry leaf extract for the first two weeks and half will receive placebo. Following a one week wash out period, the interventions will be reversed for another 2 weeks, followed by a final wash out period. Subjects will keep diaries of food, exercise, daily fasting glucose, and at least one 2 hour pc glucose per day for the 6 weeks of the trial.
Baseline renal function blood work and urine, liver function blood work, hemoglobin A1C, weight, and blood pressure will be done. These will be repeated at the end of each subject's 6 weeks in the trial. In addition, blood pressure will be checked with the distribution of the each 2 week batch of medications.
Interventions
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Mulberry leaf extract effect on post prandial blood glucose
Mulberry leaf extract (400 mg, Mulberry Zuccarin, New Nordic) or placebo will be administered with meals to type 2 diabetics. Half the patients will receive mulberry leaf extract for the first two weeks and half will receive placebo. Following a one week wash out period, the interventions will be reversed for another 2 weeks, followed by a final wash out period. Subjects will keep diaries of food, exercise, daily fasting glucose, and at least one 2 hour pc glucose per day for the 6 weeks of the trial.
Baseline renal function blood work and urine, liver function blood work, hemoglobin A1C, weight, and blood pressure will be done. These will be repeated at the end of each subject's 6 weeks in the trial. In addition, blood pressure will be checked with the distribution of the each 2 week batch of medications.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* baseline hemoglobin A1C greater than or equal to 7.5 or fasting glucose greater than 7 (SI units)
Exclusion Criteria
* history of hepatic or renal disease
* pregnant or nursing women
18 Years
70 Years
ALL
No
Sponsors
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Craig, Nancy, M.D.
INDIV
Responsible Party
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Nancy Craig
Dr. Nancy Craig
Principal Investigators
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Nancy V Craig, MDCM
Role: PRINCIPAL_INVESTIGATOR
William R Craig, MD CM
Role: STUDY_DIRECTOR
University of Alberta
Locations
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Hope Medical Clinic
Edmonton, Alberta, Canada
Countries
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References
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Miyahara C, Miyazawa M, Satoh S, Sakai A, Mizusaki S. Inhibitory effects of mulberry leaf extract on postprandial hyperglycemia in normal rats. J Nutr Sci Vitaminol (Tokyo). 2004 Jun;50(3):161-4. doi: 10.3177/jnsv.50.161.
Park JM, Bong HY, Jeong HI, Kim YK, Kim JY, Kwon O. Postprandial hypoglycemic effect of mulberry leaf in Goto-Kakizaki rats and counterpart control Wistar rats. Nutr Res Pract. 2009 Winter;3(4):272-8. doi: 10.4162/nrp.2009.3.4.272. Epub 2009 Dec 31.
Andallu B, Varadacharyulu NCh. Antioxidant role of mulberry (Morus indica L. cv. Anantha) leaves in streptozotocin-diabetic rats. Clin Chim Acta. 2003 Dec;338(1-2):3-10. doi: 10.1016/s0009-8981(03)00322-x.
Park MY, Lee KS, Sung MK. Effects of dietary mulberry, Korean red ginseng, and banaba on glucose homeostasis in relation to PPAR-alpha, PPAR-gamma, and LPL mRNA expressions. Life Sci. 2005 Nov 12;77(26):3344-54. doi: 10.1016/j.lfs.2005.05.043. Epub 2005 Jun 23.
Naowaboot J, Pannangpetch P, Kukongviriyapan V, Kongyingyoes B, Kukongviriyapan U. Antihyperglycemic, antioxidant and antiglycation activities of mulberry leaf extract in streptozotocin-induced chronic diabetic rats. Plant Foods Hum Nutr. 2009 Jun;64(2):116-21. doi: 10.1007/s11130-009-0112-5.
Oku T, Yamada M, Nakamura M, Sadamori N, Nakamura S. Inhibitory effects of extractives from leaves of Morus alba on human and rat small intestinal disaccharidase activity. Br J Nutr. 2006 May;95(5):933-8. doi: 10.1079/bjn20061746.
Hansawasdi C, Kawabata J. Alpha-glucosidase inhibitory effect of mulberry (Morus alba) leaves on Caco-2. Fitoterapia. 2006 Dec;77(7-8):568-73. doi: 10.1016/j.fitote.2006.09.003. Epub 2006 Sep 22.
Zhong L, Furne JK, Levitt MD. An extract of black, green, and mulberry teas causes malabsorption of carbohydrate but not of triacylglycerol in healthy volunteers. Am J Clin Nutr. 2006 Sep;84(3):551-5. doi: 10.1093/ajcn/84.3.551.
Mudra M, Ercan-Fang N, Zhong L, Furne J, Levitt M. Influence of mulberry leaf extract on the blood glucose and breath hydrogen response to ingestion of 75 g sucrose by type 2 diabetic and control subjects. Diabetes Care. 2007 May;30(5):1272-4. doi: 10.2337/dc06-2120. Epub 2007 Feb 15. No abstract available.
Andallu B, Suryakantham V, Lakshmi Srikanthi B, Reddy GK. Effect of mulberry (Morus indica L.) therapy on plasma and erythrocyte membrane lipids in patients with type 2 diabetes. Clin Chim Acta. 2001 Dec;314(1-2):47-53. doi: 10.1016/s0009-8981(01)00632-5.
Nookabkaew S, Rangkadilok N, Satayavivad J. Determination of trace elements in herbal tea products and their infusions consumed in Thailand. J Agric Food Chem. 2006 Sep 6;54(18):6939-44. doi: 10.1021/jf060571w.
Related Links
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Another trial looking at a similar question (completed but not published at the time of this protocol)
Other Identifiers
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MLE-DM2
Identifier Type: -
Identifier Source: org_study_id
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