Karasik A, Aschner P, Katzeff H, Davies MJ, Stein PP: Sitagliptin, a DPP-4 inhibitor for the treatment of patients with type 2 diabetes: a review of recent clinical trials. Phenergan Coupon – Phenergan 12. In patients with hepatic insufficiency, metabolism of immediate release verapamil is delayed and elimination half-life prolonged up to 14 to 16 hours (see PRECAUTIONS); the volume of distribution is increased and plasma clearance reduced to about 30% of normal. Hopefully, the information provided will help you and your health care provider make an informed decision on taking this medication. Discovery that the hydrogen nucleus is present in all other nuclei as an elementary particle, led Rutherford to give the hydrogen nucleus a special name as a particle, since he suspected that hydrogen, the lightest element, contained only one of these particles. UNII 51086HBW8G CAS number 144034-80-0 Weight Average: 269.