PMID- 23611569 OWN - NLM STAT- MEDLINE DCOM- 20130806 LR - 20221207 IS - 0946-1965 (Print) IS - 0946-1965 (Linking) VI - 51 IP - 6 DP - 2013 Jun TI - Vilazodone lacks proarrhythmogenic potential in healthy participants: a thorough ECG study. PG - 456-65 LID - 10.5414/CP201826 [doi] AB - OBJECTIVE: Vilazodone is a potent serotonin reuptake inhibitor and 5-HT1A receptor partial agonist approved for the treatment of major depressive disorder (MDD) in adults. The effect of clinical and supratherapeutic doses of vilazodone on cardiac repolarization was determined in healthy volunteers. METHODS: In this Phase 1, randomized, doubleblind, placebo- and active-controlled, 3-arm, parallel, single-center study, healthy subjects received placebo; moxifloxacin 400 mg; or vilazodone (sequentially escalated every 3 days) 10, 20, 40, 60, and 80 mg/day. The primary endpoint was the time-matched change from baseline in the QT interval corrected for heart rate (QTc) using an individual correction method (QTcI). RESULTS: Placebo-corrected time-matched analysis of the QTcI duration for the vilazodone treatment effect indicated that no vilazodone dose had an upper bound that approached or exceeded 10 ms, demonstrating no signal for a significant vilazodone effect on cardiac repolarization. Vilazodone had no significant effect on heart rate, PR, or QRS interval duration. The pharmacokinetic/pharmacodynamic model showed that the QTcI slope for vilazodone was not different from 0.0 and that the predicted increase from baseline in the QTc at Cmax for the highest therapeutic dose (156 ng/ml after 40 mg/day) was < 1 ms. The incidence of adverse events (AEs) was higher in the vilazodone group (57.6%) than in the moxifloxacin (37.0%) and placebo (35.6%) groups, though AEs were generally mild to moderate in severity and resulted in few discontinuations. CONCLUSIONS: Vilazodone had no significant effect on cardiac repolarization, heart rate, PR or QRS interval duration, or ECG morphology in healthy adult participants. FAU - Edwards, John AU - Edwards J AD - Forest Research Institute, Jersey City, NJ, USA. john.edwards@frx.com FAU - Sperry, Vasi AU - Sperry V FAU - Adams, Marijke H AU - Adams MH FAU - Gallipoli, Susan AU - Gallipoli S FAU - Thorn, Michael D AU - Thorn MD FAU - Longstreth, James AU - Longstreth J FAU - Boinpally, Ramesh AU - Boinpally R LA - eng PT - Clinical Trial, Phase I PT - Journal Article PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't PL - Germany TA - Int J Clin Pharmacol Ther JT - International journal of clinical pharmacology and therapeutics JID - 9423309 RN - 0 (Benzofurans) RN - 0 (Indoles) RN - 0 (Piperazines) RN - 0 (Serotonin 5-HT1 Receptor Agonists) RN - 0 (Serotonin Uptake Inhibitors) RN - U8HTX2GK8J (Vilazodone Hydrochloride) SB - IM MH - Adolescent MH - Adult MH - Arrhythmias, Cardiac/*chemically induced MH - Benzofurans/*adverse effects/pharmacokinetics/pharmacology MH - Dose-Response Relationship, Drug MH - Double-Blind Method MH - Electrocardiography/*drug effects MH - Female MH - Heart Rate/drug effects MH - Humans MH - Indoles/*adverse effects/pharmacokinetics/pharmacology MH - Male MH - Middle Aged MH - Models, Biological MH - Piperazines/*adverse effects/pharmacokinetics/pharmacology MH - Serotonin 5-HT1 Receptor Agonists/*adverse effects/pharmacokinetics/pharmacology MH - Selective Serotonin Reuptake Inhibitors/*adverse effects/pharmacokinetics/pharmacology MH - Vilazodone Hydrochloride MH - Young Adult EDAT- 2013/04/25 06:00 MHDA- 2013/08/07 06:00 CRDT- 2013/04/25 06:00 PHST- 2013/05/29 00:00 [accepted] PHST- 2013/04/25 06:00 [entrez] PHST- 2013/04/25 06:00 [pubmed] PHST- 2013/08/07 06:00 [medline] AID - 10576 [pii] AID - 10.5414/CP201826 [doi] PST - ppublish SO - Int J Clin Pharmacol Ther. 2013 Jun;51(6):456-65. doi: 10.5414/CP201826.