Sirtuins, which are a highly conserved family of NAD+-dependent deacetylases, have been shown to be involved in a wide range of physiological and pathological processes, including aging, energy responses to low calorie availability and stress resistance, as well as apoptosis and inflammation.

Neovasc Inc. has hit pause on its Tiara transfemoral mitral valve replacement (TF) program and is cutting its workforce by more than 40%, citing the additional time and substantial investment required to develop the program and the associated costs. The changes are expected to extend its cash runway from about 18 months to more than three years. The changes were implemented with about 18 months to remain solvent as part of a series of actions to focus on enhancing current shareholder value and focusing investments on near-term value drivers, namely the Reducer stent and the Tiara transapical mitral valve replacement (TA) system.

PARIS – Affluent Medical SAS aims to raise $40 million on the Euronext Paris regulated market to finalize the development of three minimally invasive prostheses in urology and interventional cardiology. The Aix-en-Provence, France-based med-tech will issue 3,387,210 new shares. Affluent has already received subscription pledges exceeding $24 million, including $12 million from funds managed by Paris-based Truffle Capital.

The FDA granted Neurescue a "two-fer" on its intelligent balloon catheter for aortic occlusion with 510(k) clearance for emergency control of hemorrhage and investigational device exemption for use in cardiac arrest. By inflating a soft balloon at diaphragm level, the device dramatically increases perfusion to the heart, brain and lungs within a minute of deployment via the femoral artery.

Medtrace Pharma A/S raised $30 million in a series B round to ramp its platform for production, infusion and analysis of ¹⁵O-water in medical imaging. Swiss-based Swisscanto Invest, along with fund managers ATP and Bankinvest group from Denmark, are the lead investors. “We can now ramp our European and U.S. expansions plans in myocardial perfusion imaging and in other indications in need of perfusion data,” Martin Stenfeldt, CEO and co-founder of Medtrace, told BioWorld.

Medtronic plc is ceasing global sales and distribution of its Heartware ventricular assist device (HVAD) due to safety concerns. The news sent Medtronic shares down about 1% in early morning trading. The Dublin-based company said it made the decision to stop selling the HVAD left ventricular assist device after clinical comparisons found a higher frequency of neurological adverse events, including stroke and mortality, with its heart pump device vs. other circulatory support systems.