At the AD/PD 2022 international conference on Alzheimer’s and Parkinson’s Diseases, AC Immune SA presented images showing its positron emission tomography (PET) tracer detecting pathological alpha-synuclein (a-syn) in human subjects’ brains. The abnormal accumulation of a-syn, a natively unfolded and soluble presynaptic protein, is a neuropathological feature of neurodegenerative disorders.

While a number of companies cited continued supply chain issues in recent investor calls and earnings reports, few med-tech leaders have expressed concerns about serious disruption to operations or loss of revenue because of the destruction wrought by the invasion of Ukraine or the associated sanctions on Russia. Most companies derive less than 1% of their revenue from the two countries.

With the World Health Organization’s COVAX facility having more COVID-19 vaccine doses available than have been requested by the countries it was designed to help, industry groups are pushing back against the proposed TRIPS (Trade-Related Aspects of Intellectual Property Rights) waiver for COVID-19 vaccines that has been agreed to by the EU, India, South Africa and the U.S.

Royal Philips NV has been handed a health care policy order requiring it to recall and replace 277,500 defective respiratory therapy devices in France within four months. Twelve ranges of respiratory device for patients who depend on mechanical breathing assistance as well as continuous positive airway pressure devices used to treat sleep apnea, have been affected by a design issue.

A research team from the Technical University of Munich (TUM) in Germany has for the first time managed to integrate the dark-field X-ray technique into a CT scanner suitable for clinical application. They have just published an article describing how they integrated this technology, in the journal Proceedings of the National Academy of Sciences.

Big pharma sponsors of clinical trials in Ukraine are putting studies on hold in Russia, Ukraine and Belarus as the conflict continues into its third week. As revealed by BioWorld last week, hundreds of clinical trials were being conducted in the two countries at the time Russian President Vladimir Putin gave orders to invade Ukraine on Feb. 20.

Norwegian diagnostics company Cardinor AS landed a CE mark for its Secretoneurin (SN) ELISA (enzyme-linked immunosorbent assay). The blood-based test detects SN, a small 33-amino acid neuropeptide produced by neuroendocrine and heart muscle cells. Studies have shown the biomarker is a predictor of mortality in major patient cohorts, including ventricular arrhythmia, acute heart failure, acute respiratory failure patients with cardiovascular disease (CVD) and severe sepsis.

The C-suite at Dexcom Inc. is breathing easy with the company having snagged CE marking for its latest continuous glucose monitoring (CGM) system, the G7, less than two weeks after receiving FDA breakthrough device designation for its CGM for hospital use. “This all-new platform offers an incredibly powerful CGM that is simple to use, providing our users with insightful glucose data on one screen that helps them spend less time managing diabetes and more time doing the things they love. Dexcom G7 takes everything people love about G6 and makes it even better,” said Dexcom CEO Kevin Sayer.

Russia and Belarus are being frozen out of international science, with universities and research institutions across Europe suspending joint research projects and calling a halt to the formation of any new collaborations, following the invasion of Ukraine. Initial sanctions announced by European governments called for the severing of direct institution-to-institution links only, with many universities counseling individual researchers to maintain personal relations with Russian peers.