“… sodium cholate solutions, loperamide (3 times 10−4 M) increased the rate of dissolution by over six times, and a similar effect was observed with amitriptyline (3 … 10−3 M), diphenhydramine (3 times 10−3 M), dicyclomine (3 times 10−3 M) and propantheline (3 times 10−3 M).”