alexa Randomized Clinical Trial Assessing the Efficacy and Safety of Bromocriptine-QR when Added to Ongoing Thiazolidinedione Therapy in Patients with Type 2 Diabetes Mellitus | Abstract
ISSN: 2155-6156

Journal of Diabetes & Metabolism
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Research Article

Randomized Clinical Trial Assessing the Efficacy and Safety of Bromocriptine-QR when Added to Ongoing Thiazolidinedione Therapy in Patients with Type 2 Diabetes Mellitus

Hermes Florez1,2, Richard Scranton3, Wildon R. Farwell4,5, Ralph A. DeFronzo6, Michael Ezrokhi3, J. Michael Gaziano4,5 and Anthony H. Cincotta3*

1Geriatric Research, Education and Clinical Center, and Medical and Research Services, Miami VA Healthcare System, Miami, FL, USA

2Departments of Medicine and Epidemiology & Public Health, Divisions of Geriatric Medicine and Endocrinology, University of Miami Miller School of Medicine, Miami, FL, USA

3VeroScience LLC, Tiverton, RI, USA

4Massachusetts Veterans Epidemiology Research and Information Center, VA Boston Healthcare System, Boston, MA, USA

5Division of Aging, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA

6Diabetes Division, University of Texas Health Science Center at San Antonio, USA

Corresponding Author:
Anthony H. Cincotta, PhD
VeroScience LLC, Tiverton, RI, USA
E-mail: [email protected]

Received Date: September 16, 2011; Accepted Date: October 01, 2011; Published Date: October 10, 2011

Citation: Florez H, Scranton R, Farwell WR, DeFronzo RA, Ezrokhi M, et al. (2011) Randomized Clinical Trial Assessing the Efficacy and Safety of Bromocriptine- QR when Added to Ongoing Thiazolidinedione Therapy in Patients with Type 2 Diabetes Mellitus. J Diabetes Metab 2:142. doi:10.4172/2155-6156.1000142

Copyright: © 2011 Florez H, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Aims: To evaluate the glycemic control efficacy and cardio-metabolic safety of bromocriptine- quick release (Bromocriptine-QR) among subjects with type 2 diabetes who were taking a thiazolidinedione (TZD) at baseline.

Methods: A subgroup from the Cycloset Safety trial who were taking a TZD at baseline with or without another oral anti-diabetes medication were randomized to receive additional once daily (morning) bromocriptine-QR (1.6 - 4.8 mg/day) or placebo for up to 52 weeks. Glycemic efficacy analyses were based on intent to treat modified (ITTm) and evaluable per protocol (EPP) population using general linear model after adjusting for baseline covariates and stratified by A1C level of <7.5 of ≥7.5. The odds ratio of participants achieving A1C ≤7% were calculated. Similar analyses for safety were performed on weight and hypoglycemia.

Results: In this trial 495 subjects were taking a TZD at baseline and 122 also had a baseline A1C of ≥7.5. For subjects with an A1C of ≥7.5, bromocriptine-QR treatment led to significant reduction in A1C (ITTm -0.81%, p=0.001and EPP -0.91%, p=0.002), fasting plasma glucose (ITTm -21.5 mg/dl, p=0.03 and EPP -20.5 mg/dl, p=0.05), and higher frequency achieving an A1C≤7% (32.1% vs. 15.9%, p=0.05) when compared with placebo. For subjects with a baseline A1C of <7.5, subjects randomized to bromocriptine-QR had a greater odds of having an A1C level of ≤7.0 (OR 2.74, 95% CI 1.45, 5.15; p =0.002). Treatment with bromocriptine-QR had no adverse impact on weight or risk of hypoglycemia.

Conclusion: Daily morning bromocriptine-QR added to ongoing TZD treatment for uncontrolled type 2 diabetes improved glycemic control and was well tolerated.

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