Simvastatin, like lovastatin is converted to active metabolites by cytochrome P450 3A4 (CYP3A4). We have shown that lovastatin is susceptible to interactions with a commonly used calcium antagonist, diltiazem, that is known to have the capacity to block CYP3A4. Verapamil can similarly block this enzyme. The current study is to quantify the interaction of diltiazem and of verapamil with simvastatin since combinations of either of these calcium antagonists with simvastatin are likely to occur frequently.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
General Clinical Research Centers Program (M01)
Project #
3M01RR000750-27S3
Application #
6265102
Study Section
Project Start
1998-12-01
Project End
1999-11-30
Budget Start
1998-10-01
Budget End
1999-09-30
Support Year
27
Fiscal Year
1999
Total Cost
Indirect Cost
Name
Indiana University-Purdue University at Indianapolis
Department
Type
DUNS #
005436803
City
Indianapolis
State
IN
Country
United States
Zip Code
46202
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