EBR Systems (ASX:EBR) said that its WiSE heart pacing system was implanted in 18 commercial patients during the fourth quarter of 2025, doubling the number of implants from the third quarter, according to a Monday Australian bourse filing.
An additional nine purchase agreements were signed with target centers during the December 2025 quarter, the filing said.
During the period, four patients were enrolled in the WiSE system utilization and performance study, a prospective observational study designed to evaluate real-world outcomes for heart failure patients receiving the WiSE system using left ventricular endocardial pacing for cardiac resycnhronization therapy.
The study will follow more than 300 commercial patients across 50 centers over a five-year period.
Looking ahead, the company expects to report revenue of $870,000 to $935,000 for the fourth quarter and $1.5 million to $1.6 million for 2025.
EBR Systems' shares rose 7% in recent trading on Monday.