Comprehensive Magnetic Resonance of Peripheral Arterial Disease
Summary
The purpose of this study is to develop new ways of imaging fatty blockages in the leg arteries to improve upon techniques used now and to develop new ways of understanding how new treatments may affect the disease.
Timeline
- Start
- 2006-01
- Primary completion
- 2009-10
- Completion
- 2009-10
Outcome
Missed primary endpoint
registry analysis (superiority or other test); Simvastatin 40mg vs Simvastatin 40mg/Ezetimibe 10 mg; p = 0.32; Linear repeated measures model NCT00587678 ↗
registry analysis (superiority or other test); Simvastatin 40mg vs Simvastatin 40mg/Ezetimibe 10 mg vs Ezetimibe 10mg; p = 0.71; Linear repeated measures model NCT00587678 ↗
registry analysis (superiority or other test); Simvastatin 40mg vs Simvastatin 40mg/Ezetimibe 10 mg vs Ezetimibe 10mg; p = 0.67; Linear repeated measures model NCT00587678 ↗
Publications
- Background Isbell DC, Berr SS, Toledano AY, Epstein FH, Meyer CH, Rogers WJ, Harthun NL, Hagspiel KD, Weltman A, Kramer CM. Delayed calf muscle phosphocreatine recovery after exercise identifies peripheral arterial disease. J Am Coll Cardiol. 2006 Jun 6;47(11):2289-95. doi: 10.1016/j.jacc.2005.12.069. Epub 2006 May 15.
- Background Isbell DC, Meyer CH, Rogers WJ, Epstein FH, DiMaria JM, Harthun NL, Wang H, Kramer CM. Reproducibility and reliability of atherosclerotic plaque volume measurements in peripheral arterial disease with cardiovascular magnetic resonance. J Cardiovasc Magn Reson. 2007;9(1):71-6. doi: 10.1080/10976640600843330.
- Background Isbell DC, Epstein FH, Zhong X, DiMaria JM, Berr SS, Meyer CH, Rogers WJ, Harthun NL, Hagspiel KD, Weltman A, Kramer CM. Calf muscle perfusion at peak exercise in peripheral arterial disease: measurement by first-pass contrast-enhanced magnetic resonance imaging. J Magn Reson Imaging. 2007 May;25(5):1013-20. doi: 10.1002/jmri.20899.
- Background Kramer CM. Peripheral arterial disease assessment: wall, perfusion, and spectroscopy. Top Magn Reson Imaging. 2007 Oct;18(5):357-69. doi: 10.1097/rmr.0b013e31815d064c.
- Results West AM, Anderson JD, Meyer CH, Epstein FH, Wang H, Hagspiel KD, Berr SS, Harthun NL, DiMaria JM, Hunter JR, Christopher JM, Chew JD, Winberry GB, Kramer CM. The effect of ezetimibe on peripheral arterial atherosclerosis depends upon statin use at baseline. Atherosclerosis. 2011 Sep;218(1):156-62. doi: 10.1016/j.atherosclerosis.2011.04.005. Epub 2011 Apr 16.
- Results West AM, Anderson JD, Epstein FH, Meyer CH, Wang H, Hagspiel KD, Berr SS, Harthun NL, Weltman AL, Dimaria JM, Hunter JR, Christopher JM, Kramer CM. Low-density lipoprotein lowering does not improve calf muscle perfusion, energetics, or exercise performance in peripheral arterial disease. J Am Coll Cardiol. 2011 Aug 30;58(10):1068-76. doi: 10.1016/j.jacc.2011.04.034.
- Anderson JD, Epstein FH, Meyer CH, Hagspiel KD, Wang H, Berr SS, Harthun NL, Weltman A, Dimaria JM, West AM, Kramer CM. Multifactorial determinants of functional capacity in peripheral arterial disease: uncoupling of calf muscle perfusion and metabolism. J Am Coll Cardiol. 2009 Aug 11;54(7):628-35. doi: 10.1016/j.jacc.2009.01.080.
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Subject | Ezetimibe | Unknown | 10 mg | — |
| Subject | Simvastatin | Small molecule | 40 mg | — |