in a double-blind , randomized , crossover study of the effects of 4 weeks of therapy , each with two dihydropyridine calcium channel blocker drugs , nifedipine and nicardipine , glucose tolerance , plasma insulin levels , and hemoglobin a1 were assessed in 20 patients with non-insulin-dependent diabetes ( mean age 59 years ) .
C2945601
dihydropyridine calcium channel
C0028005
nicardipine