Effect of Different Doses of Salacinol Extract on Glycemic and Insulinemic Response in Patients With Type 2 Diabetes

Summary

The purpose of this study is to evaluate two levels of the herbal extract Salacia oblonga (salacinol) on postprandial glycemia and insulinemia in patients with Type 2 diabetes after ingestion of a high-carbohydrate control meal.

Timeline

Start

2005-06

Primary completion

—

Completion

2005-09

Publications

• Background Hogan P, Dall T, Nikolov P; American Diabetes Association. Economic costs of diabetes in the US in 2002. Diabetes Care. 2003 Mar;26(3):917-32. doi: 10.2337/diacare.26.3.917.
• Background Collene AL, Hertzler SR, Williams JA, Wolf BW. Effects of a nutritional supplement containing Salacia oblonga extract and insulinogenic amino acids on postprandial glycemia, insulinemia, and breath hydrogen responses in healthy adults. Nutrition. 2005 Jul-Aug;21(7-8):848-54. doi: 10.1016/j.nut.2004.11.018.
• Background Diabetes Control and Complications Trial Research Group; Nathan DM, Genuth S, Lachin J, Cleary P, Crofford O, Davis M, Rand L, Siebert C. The effect of intensive treatment of diabetes on the development and progression of long-term complications in insulin-dependent diabetes mellitus. N Engl J Med. 1993 Sep 30;329(14):977-86. doi: 10.1056/NEJM199309303291401.
• Background Ghavami A, Johnston BD, Pinto BM. A new class of glycosidase inhibitor: synthesis of salacinol and its stereoisomers. J Org Chem. 2001 Apr 6;66(7):2312-7. doi: 10.1021/jo001444g.
• Background Heacock PM, Hertzler SR, Williams JA, Wolf BW. Effects of a medical food containing an herbal alpha-glucosidase inhibitor on postprandial glycemia and insulinemia in healthy adults. J Am Diet Assoc. 2005 Jan;105(1):65-71. doi: 10.1016/j.jada.2004.11.001.
• Background Matsuda H, Murakami T, Yashiro K, Yamahara J, Yoshikawa M. Antidiabetic principles of natural medicines. IV. Aldose reductase and qlpha-glucosidase inhibitors from the roots of Salacia oblonga Wall. (Celastraceae): structure of a new friedelane-type triterpene, kotalagenin 16-acetate. Chem Pharm Bull (Tokyo). 1999 Dec;47(12):1725-9. doi: 10.1248/cpb.47.1725.
• Background Intensive blood-glucose control with sulphonylureas or insulin compared with conventional treatment and risk of complications in patients with type 2 diabetes (UKPDS 33). UK Prospective Diabetes Study (UKPDS) Group. Lancet. 1998 Sep 12;352(9131):837-53.
• Background Wolf BW, Weisbrode SE. Safety evaluation of an extract from Salacia oblonga. Food Chem Toxicol. 2003 Jun;41(6):867-74. doi: 10.1016/s0278-6915(03)00038-3.
• Background Wolever TM, Jenkins DJ, Jenkins AL, Josse RG. The glycemic index: methodology and clinical implications. Am J Clin Nutr. 1991 Nov;54(5):846-54. doi: 10.1093/ajcn/54.5.846.

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