Amelubant (BIIL 284) is a prodrug of active metabolites BIIL 260 and BIIL 315 and exhibits anti-inflammatory activity. It is a potent, oral, long-acting LTB4 receptor antagonist with negligible binding to the receptor, displaying Kis of 221 nM and 230 nM.
Aprindine HCl is a Class 1b antiarrhythmic agent used to manage ventricular and supraventricular arrhythmias. In one study, it delayed atrial fibrillation more than digoxin did. It has shown effectiveness when given orally.