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Journal of Medicine Vol 4 - Amrita Institute of Medical Sciences and ...

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<strong>Amrita</strong> <strong>Journal</strong> <strong>of</strong> <strong>Medicine</strong><br />

Cases, Evidence <strong>and</strong> Verdicts- The Glitazone Controversy<br />

What would be reasonable conclusions to draw from<br />

these varying results?<br />

1. Thiazolidinediones are approved monotherapy agents<br />

in treatment <strong>of</strong> type 2 diabetes mellitus. They are also<br />

indicated for use in combination with sulfonylurea,<br />

metformin, or insulin when diet <strong>and</strong> exercise plus the<br />

single agent does not result in adequate glycemic control.<br />

However they should be used cautiously, if at<br />

all, in those with cardiovascular disease.<br />

2. They may be used in those with IFG/IGT with high<br />

risk <strong>of</strong> diabetes.<br />

3. Pioglitazone would clearly seem to be preferable to<br />

rosiglitazone in view <strong>of</strong> its favorable lipid lowering<br />

pr<strong>of</strong>ile <strong>and</strong> less cardiovascular events <strong>and</strong> can be considered<br />

the agent <strong>of</strong> choice if a thiazolidinedione is<br />

required.<br />

4. The treating clinician should carefully consider the<br />

need for any thiazolidinedione before prescribing one<br />

<strong>and</strong> should refrain from using rosiglitazone in the absence<br />

<strong>of</strong> exceptionally compelling circumstances.<br />

REFERENCES<br />

1. Miyazaki Y, Mahankali A, Matsuda M, et al. Improved glycemic<br />

control <strong>and</strong> enhanced insulin sensitivity in type 2 diabetic subjects<br />

treated with pioglitazone. Diabetes Care 2001;24:710-9.<br />

2. Kendall DM, Sobel BE, Coulston AM, et al. The insulin resistance<br />

syndrome <strong>and</strong> coronary artery disease. Coron Artery Dis<br />

2003;14:335-48.<br />

3. Hamdy O, Ledbury S, Mullooly C, et al. Lifestyle modification<br />

improves endothelial function in obese subjects with the insulin<br />

resistance syndrome. Diabetes Care 2003;26:2119-25.<br />

4. Kendall DM, Buse JB, Boyle PJ, et al. Impact <strong>of</strong> adjunctive<br />

thiazolidinedione therapy on blood lipid levels <strong>and</strong> glycemic<br />

control in patients with type 2 diabetes. Curr Med Res Opin<br />

2004;20:215-23.<br />

5. Langenfeld MR, Forst T, Hohberg C, et al. Pioglitazone decreases<br />

carotid intima-media thickness independently <strong>of</strong> glycemic<br />

control in patients with type 2 diabetes mellitus. Results from a<br />

controlled r<strong>and</strong>omized study. Circulation 2005;111:2525-31.<br />

6. Av<strong>and</strong>ia (rosiglitazone maleate) tablets: prescribing information.<br />

Research Triangle Park, NC: GlaxoSmithKline, 2007 (package<br />

insert).<br />

7. Nesto RW, Bell D, Bonow RO, et al. Thiazolidinedione use,<br />

fluid retention, <strong>and</strong> congestive heart failure: a consensus statement<br />

from the American Heart Association <strong>and</strong> American<br />

Diabetes Association: October 7, 2003. Circulation<br />

2003;108:2941-8.<br />

8. Philip DH, D Phil, Stuart J, et al. Rosiglitazone Evaluated for<br />

Cardiovascular Outcomes – An Interim Analysis. NEJM<br />

2007;357:28-38.<br />

9. Bruce MP, Curt DF. The Record on rosiglitazone <strong>and</strong> the risk <strong>of</strong><br />

myocardial infarction. NEJM 2007;357:67-9.<br />

10. David MN. Rosiglitazone <strong>and</strong> cardiotoxicity – Weighing the<br />

Evidence. NEJM 2007;357:64-6.<br />

11. Jeffrey MD, Stephen M, Gregory DC. Rosiglitazone- Continued<br />

Uncertainity about safety. NEJM 2007;357:63-4.<br />

12. Leiter LA. Beta-cell preservation: a potential role for<br />

thiazolidinediones to improve clinical care in type 2 diabetes.<br />

Diabet Med 2005;22:963-72.<br />

13. Nissen SE, Wolski K, Topol EJ. Effect <strong>of</strong> muraglitazar on death<br />

<strong>and</strong> major adverse cardiovascular events in patients with type 2<br />

diabetes mellitus. JAMA 2005;294:2581-6.<br />

14 Clifford J. Rosen, M.D. The Rosiglitazone Story — Lessons from<br />

an FDA Advisory Committee Meeting Published at<br />

www.nejm.org August 8,2007(10.1056/NEJMp078167).<br />

44

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