Page 783 - Basic _ Clinical Pharmacology ( PDFDrive )
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CHAPTER 41  Pancreatic Hormones & Antidiabetic Drugs        769



                                              Mechanism of                         Clinical        Pharmacokinetics,
                     Subclass, Drug           Action           Effects             Applications    Toxicities, Interactions
                     GLUCAGON-LIKE POLYPEPTIDE-1 (GLP-1) RECEPTOR AGONISTS
                       •   Exenatide, liraglutide,   Analogs of GLP-1: Bind   Reduce post-meal glucose   Type 2 diabetes,   Parenteral (SC) • Toxicity: Nausea,
                        albiglutide, dulaglutide  to GLP-1 receptors  excursions: Increase glucose-  liraglutide only:   headache, vomiting, anorexia, mild
                                                               mediated insulin release,   obesity  weight loss, pancreatitis, C-cell
                                                               lower glucagon levels, slow         tumors in rodents
                                                               gastric emptying, decrease
                                                               appetite
                     DIPEPTIDYL PEPTIDASE-4 (DPP-4) INHIBITORS
                       •   Sitagliptin, saxagliptin,   Block degradation of   Reduces post-meal glucose   Type 2 diabetes  Oral • half-life ~12 h • 24-h duration
                        linagliptin, alogliptin,   GLP-1, raise circulating   excursions: Increases   of action • Toxicity: Rhinitis, upper
                        vildagliptin 1        GLP-1 levels     glucose-mediated insulin            respiratory infections, headaches,
                                                               release, lowers glucagon            pancreatitis, rare allergic reactions
                                                               levels, slows gastric
                                                               emptying, decreases
                                                               appetite
                     SODIUM-GLUCOSE CO-TRANSPORTER 2 (SGLT2) INHIBITORS
                       •   Canagliflozin, dapagliflozin,   Block renal glucose   Increase glucosuria, lower   Type 2 diabetes  Oral • half-life ~10–14 h • Toxicity:
                        empagliflozin         resorption       plasma glucose levels               Genital and urinary tract infections,
                                                                                                   polyuria, pruritus, thirst, osmotic
                                                                                                   diuresis, constipation
                     ISLET AMYLOID POLYPEPETIDE ANALOG
                       •  Pramlintide         Analog of amylin: Binds   Reduces post-meal glucose   Type 1 and type 2   Parenteral (SC) • rapid onset
                                              to amylin receptors  excursions: Lowers glucagon   diabetes  • half-life ~48 min • Toxicity: Nausea,
                                                               levels, slows gastric               anorexia, hypoglycemia, headache
                                                               emptying, decreases
                                                               appetite

                     BILE ACID SEQUESTRANT
                       •  Colesevelam hydrochloride  Bile acid binder: Lowers   Reduces glucose levels  Type 2 diabetes  Oral • 24-h duration of action
                                              glucose through                                      • Toxicity: Constipation, indigestion,
                                              unknown mechanisms                                   flatulence

                     DOPAMINE AGONIST
                       •  Bromocriptine       D 2  receptor agonist:   Reduces glucose levels  Type 2 diabetes  Oral • 24-h action • Toxicity: Nausea,
                                              Lowers glucose through                               vomiting, dizziness, headache
                                              unknown mechanism
                    1 Not available in United States.
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