Efficacy of Varenicline Tartrate in Treating Frequent Premature Ventricular Contractions

"Participants in treatment group take varenicline tartrate tablets according to the following regimen:~Days 1-3: 0.5 mg/dose, once daily. Days 4-42: 0.5 mg/dose, twice daily, taken orally at the same time each morning and evening (the dosing interval is recommended to be 12 h ± 2 h).~Days 43-45: 0.5 mg/dose, once daily."

"Days 1-3: 1 tablet/dose, once daily. Days 4-42: 1 tablet/dose, twice daily, taken orally at the same time each morning and evening (the dosing interval is recommended to be 12 h ± 2 h).~Days 43-45: 1 tablet/dose, once daily."