Glover also conducted trials with bupropion ( Zyban a nicotine receptor and partial agonist ) which resulted in both being approved for use in the US .
Zyban is a monocyclic antidepressant ) and varenicline ( Chantix .
Glover also conducted trials with bupropion ( Zyban , a monocyclic antidepressant ) and varenicline ( Chantix , a nicotine receptor and partial agonist ) which resulted in both being approved for use in the US .