Posicor

The following drug information is obtained from various newswires, published medical journal articles, and medical conference presentations.

Company:

Approval Status:

Approved June 1997

Specific Treatments:

hypertension and chronic stable angina pectoris

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General Information

Posicor (mibefradil), a calcium channel blocker, will be available in 50 mg and 100 mg tablets for treatment of chronic stable angina pectoris and hypertension. Posicor is approved for use by itself or in combination with other antihypertensive or anti-anginal agents.

Side Effects

Posicor is contraindicated for use with astemizole, terfenadine and cisapride because it is metabolized by the cytochrome P450 2D6 isoenzyme. It can be life-threatening when used in conjunction with agents metabolized by P450.

Mechanism of Action

Mibefradil, a subtype calcium channel blocker, blocks both low and high voltage calcium channels with greater selectivity for low voltage or Type T channels. While decreasing blood pressure, Posicor doesn’t lessen heart contractions, unlike beta blockers.