Seroquel comes in immediate-release (IR) and extended-release (ER or XR) tablets. Either form may be used off-label to help improve sleep within about an hour of taking the medication. The most ...

Therefore, the convenient dosage regimen and rapid initiation scheme of quetiapine extended release (XR) were expected to provide better effectiveness and promote adherence in patients with ...

AIMS: To explore the potential for drug interactions on quetiapine pharmacokinetics using in vitro and in vivo assessments. METHODS: The CYP enzymes responsible for quetiapine metabolite formation ...