Inventors:
Arnold Schwartz - Cincinnati OH
Ingrid L. Grupp - Cincinnati OH
Gunter Grupp - Cincinnati OH
Alain de Pover - 4057 Baesel, CH
International Classification:
A61K 3133, A61K 3144
Abstract:
A method of potentiating the effect of a dihydropyridine derivative, such as nimodipine or nifedipine, by administering d-cis-diltiazem in an amount sufficient to inhibit calcium influx but insufficient to cause substantial decrease in contractility, and administering a dihydropyridine derivative in a submicromolar amount less than the dosage normally required for pharmacological effectiveness. A calcium channel blocking composition comprises a synergistic combination of d-cis-diltiazem and a dihydropyridine derivative.