<p>Findings seen for both discontinuation overall and discontinuing daily smoking</p>
<p>Combining varenicline with nicotine patch, extending treatment from 12 to 24 weeks did not increase smoking cessation rates</p>
<p>0.5-mg and 1-mg tablets may contain levels of N-nitroso-varenicline at or above levels approved by the FDA</p>
<p>Significantly fewer adverse reactions reported by those in the cytisine group versus the varenicline group</p>