Pfizer Korea to launch a first new quit-smoking drug soon.

Pfizer Korea may advance the market launching of Champix (varenicline), a first oral stop-smoking prescription drug, in mid-May after the KFDA approval in March this year.

Champix is an oral drug for smoking cessation by binding with high affinity and selectivity at α4β2 neuronal nicotinic acetylcholine receptors in the brain. The efficacy of Champix in smoking cessation is believed to be t...