| Completed | N/A | 177 | Japan, RoW | aCRT ON, aCRT OFF | Medtronic Bakken Research Center, Medtronic, Medtronic Japan Co., Ltd. | Heart Failure, Left Bundle-Branch Block, Heart Failure With Reduced Ejection Fraction (HFrEF), Heart Failure NYHA Class II, Heart Failure NYHA Class III, Heart Failure NYHA Class IV | 03/24 | 03/24 | | |