There is currently a lack of scientific consensus globally with studies contradicting each other and scientists rebutting each others claims regarding the safety, benefits and harms of e-cigarettes
Before it was legalized in Canada in 2018, most insurance companies would have considered marijuana users as smokers
Parent resources Information about e-cigarettes and vaping for students, parents and families, and school communities Resources & Common Questions E-cigarettes are battery-operated devices that hold and heat e-liquids
Dosing & Uses Dosage Forms & Strengths tablet 0.5mg 1mg Smoking Cessation Set a date to stop smoking and begin varenicline 1 week before this date Alternatively, the patient can begin varenicline and then quit smoking between days 8 and 35 of treatment Also see Administration Quit smoking date regimen Initiate regimen 1 week before quit smoking date Days 1-3: 0.5 mg PO qDay Days 4-7: 0.5 mg PO BID Day 8 to end of treatment: 1 mg PO BID If quitting is successful after 12 weeks, continue another 12 weeks at 1 mg q12hr Gradual approach to quitting For patients who are sure that they are not able or willing to quit abruptly, consider a gradual approach to quitting smoking with varenicline Begin dosing and reduce smoking by 50% from baseline within the first 4 weeks, by an additional 50% in the next 4 weeks, and continue reducing with the goal of reaching complete abstinence by 12 weeks Continue varenicline for an additional 12 weeks, for a total of 24 weeks of treatment Encourage patients to attempt quitting sooner if they feel ready Dosage Modifications Consider a temporary or permanent dose reduction in patients who cannot tolerate the adverse effects Renal impairment Mild-to-moderate (CrCl 30 mL/min): No dosage adjustment required Severe (CrCl 10% Nausea (15-40%
Interestingly, phosphorylation of mutp53 on Ser15/Ser37 by DNA-PK favors stabilization of mutp53 and enhances its gain-of-function activity in ovarian cancer [47]
