News & publications
Announcements, coverage and the science behind Cysoni.
News
Company announcements
Jan 2026
Mark Strong appointed Non-Executive Director
Ceryx strengthens its board with an experienced medtech leader as it moves towards the implantable Cysoni system.
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Jun 2025
Ceryx closes funding round, taking total raised to $15M
Round led by the Development Bank of Wales and Parkwalk, with BGF, to fund development of the permanent Cysoni pacemaker.
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Jun 2025
Ceryx begins first clinical study of heart–lung synchronisation pacing
RSA-Pace enrols its first patient at Waikato Hospital, New Zealand, with UK sites to follow.
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Dec 2022
Ceryx receives the MediWales Innovation Award
Recognition from Wales’s life sciences network for the Cysoni technology.
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Sep 2022
Ceryx partners with Osypka Medical
Partnership to deliver heart–lung synchronisation pacing through Osypka’s external pacing system for the clinical study.
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May 2022
Ceryx raises £3.8M seed round
Development Bank of Wales, Icehouse Ventures, Parkwalk, BGF and angel investors back the move into clinical studies.
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Apr 2022
Chas Taylor appointed Chairman
Medical devices entrepreneur joins the Ceryx board as Chairman.
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Publications
Peer-reviewed research
The science behind Cysoni, from the first silicon neuron to chronic heart failure studies.
2022 · Basic Research in Cardiology
Reverse re-modelling chronic heart failure by reinstating heart rate variability
Shanks J, Abukar Y, Lever NA, et al.
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2020 · Journal of Physiology
Enhancing respiratory sinus arrhythmia increases cardiac output in rats with left ventricular dysfunction
O’Callaghan EL, Lataro RM, Roloff EL, et al.
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2019 · Nature Communications
Optimal solid state neurons
Abu-Hassan K, Taylor JD, Morris PG, et al.
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2016 · Frontiers in Physiology
Utility of a novel biofeedback device for within-breath modulation of heart rate in rats
O’Callaghan EL, Chauhan AS, Zhao L, et al.
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