Randomized Controlled Clinical Trial of Cinnamon to Lower Hemoglobin A1c

Summary

This study will randomize diabetics with hemoglobin A1c greater than 7.0 to receive either cinnamon plus usual care or usual care alone. Hemoglobin A1c will be measured at intake and after 90 days.

Timeline

Start

2007-03

Primary completion

2007-08

Completion

2007-08

Publications

• Background Talpur N, Echard B, Ingram C, Bagchi D, Preuss H. Effects of a novel formulation of essential oils on glucose-insulin metabolism in diabetic and hypertensive rats: a pilot study. Diabetes Obes Metab. 2005 Mar;7(2):193-9. doi: 10.1111/j.1463-1326.2004.00386.x.
• Background Khan A, Safdar M, Ali Khan MM, Khattak KN, Anderson RA. Cinnamon improves glucose and lipids of people with type 2 diabetes. Diabetes Care. 2003 Dec;26(12):3215-8. doi: 10.2337/diacare.26.12.3215.
• Background Vanschoonbeek K, Thomassen BJ, Senden JM, Wodzig WK, van Loon LJ. Cinnamon supplementation does not improve glycemic control in postmenopausal type 2 diabetes patients. J Nutr. 2006 Apr;136(4):977-80. doi: 10.1093/jn/136.4.977.
• Background Mang B, Wolters M, Schmitt B, Kelb K, Lichtinghagen R, Stichtenoth DO, Hahn A. Effects of a cinnamon extract on plasma glucose, HbA, and serum lipids in diabetes mellitus type 2. Eur J Clin Invest. 2006 May;36(5):340-4. doi: 10.1111/j.1365-2362.2006.01629.x.
• Crawford P. Effectiveness of cinnamon for lowering hemoglobin A1C in patients with type 2 diabetes: a randomized, controlled trial. J Am Board Fam Med. 2009 Sep-Oct;22(5):507-12. doi: 10.3122/jabfm.2009.05.080093.

Drugs

Indications