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Kobayashi H, Ohyama T, Kitamura-Miyazaki M, Hirota-Takahata Y, Ando O. Studies on novel HIF activators, A-503451s. J Antibiot (Tokyo) 2016; 69:754-758. [DOI: 10.1038/ja.2016.20] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 01/16/2016] [Accepted: 02/01/2016] [Indexed: 11/09/2022]
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Crawford P, Thai C, Obholz J, Schievenin J, True M, Shah SA, Hallgren J, Clark J, Sharon D. Assessment of the effeCt of lIfestyle iNtervention plus water-soluble ciNnAMon extract On loweriNg blood glucose in pre-diabetics, a randomized, double-blind, multicenter, placebo controlled trial: study protocol for a randomized controlled trial. Trials 2016; 17:9. [PMID: 26732017 PMCID: PMC4702386 DOI: 10.1186/s13063-015-1138-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 12/21/2015] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND The World Health Organization predicts that by 2030 diabetes will be the seventh leading cause of death in the world. Multiple studies have tried to determine if cinnamon is an effective treatment for diabetes. Cinnamon extract is an insulin sensitizer, protects mesangial cells, decreases inflammatory markers, and lowers glucose, lipids, and blood pressure in patients with type 2 diabetes, so we developed a protocol to study whether ingestion of water-soluble cinnamon extract prevents progression from pre-diabetes to diabetes. METHODS/DESIGN This is a randomized, double-blind, placebo-controlled trial comparing cinnamon extract versus placebo in subjects with pre-diabetes who have committed to participate in a lifestyle change program. The trial will be conducted at five sites and will include 428 subjects who take cinnamon extract or placebo for 1 year. Follow-up for these subjects will be for a total of 2 years (nine study visits). The primary outcomes to be assessed are 1) conversion of patients from pre-diabetes to diabetes and 2) impact of water-soluble cinnamon extract on hepatic transaminases, renal function, and QT interval on electrocardiogram. Secondary outcomes include changes in HbA1c, lipids, waist circumference, weight, blood pressure, and fasting plasma glucose. The trial protocol has been approved by the Institutional Review Board of the US Air Force 59th Medical Wing, Wilford Hall Ambulatory Surgical Center (Protocol FWH20110035H). Investigator-sponsored Investigational New Drug status (114078) was granted by the US Food and Drug Administration. DISCUSSION This study will provide high-quality evidence of the efficacy of water-soluble cinnamon extract in conjunction with lifestyle intervention for preventing patients with pre-diabetes from converting to diabetes. Additionally, it will provide important safety information about water-soluble cinnamon extract. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT01301521 , 18 February 2011.
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Affiliation(s)
- Paul Crawford
- Nellis Family Medicine Residency, 4700 Las Vegas Blvd N, Las Vegas, NV, 89191, USA.
| | - Chuong Thai
- Eglin AFB Family Medicine Residency, 307 Boatner Rd, Suite 114, Eglin AFB, FL, 32542, USA.
| | - Joshua Obholz
- Eglin AFB Family Medicine Residency, 307 Boatner Rd, Suite 114, Eglin AFB, FL, 32542, USA.
| | - Jeffrey Schievenin
- Eglin AFB Family Medicine Residency, 307 Boatner Rd, Suite 114, Eglin AFB, FL, 32542, USA.
| | - Mark True
- Air Force Endocrinology Fellowship, Brooke Army Medical Center, 3551 Roger Brooke Dr, JBSA - Fort Sam Houston, TX, 78234, USA.
| | - Sachin A Shah
- Pharmacy Practice, University of the Pacific, Vacaville, CA, USA.
| | - John Hallgren
- 55MDOS, 2501 Capehart Road, Offutt AFB, NE, 68113, USA.
| | - Jill Clark
- Nellis Clinical Investigation Program, 4700 Las Vegas Blvd N, Las Vegas, NV, 89191, USA.
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