Researchers from King's College London and UCB Pharma Inc. recently reported preclinical data on the effects of an anti-mouse neonatal Fc receptor (FcRn) antibody, UCB-4470, on circulating antiphospholipid (aPL) and aPL-induced thrombus formation in mice.
Shanghai Meiyue Biotech Development Co. Ltd. has identified macrocyclic compounds acting as coagulation factor XIa (FXIa) inhibitors reported to be useful for the treatment of thrombosis.
DUBLIN – The European Medicines Agency (EMA) has reiterated its support for Astrazeneca plc’s Vaxzervia COVID-19 vaccine, following an interim analysis of a data review, which the agency’s Committee on Human Medicinal Products (CHMP) has conducted over the past two weeks.
LONDON – The EMA’s safety committee has concluded that unusual blood clots with low blood platelets are a rare side effect of Johnson & Johnson Inc.’s COVID-19 vaccine and that a warning should be added to the label. The decision is based on all available evidence, which currently consists of eight reports from the U.S. of serious cases of thrombosis, one of which was fatal. All cases were in people under 60 years of age, and within three weeks after vaccination, the majority in women. One case occurred during the clinical trials.
DUBLIN – A newly published retrospective analysis of the electronic health care records of more than 500,000 COVID-19 patients has found that infection with SARS-CoV-2 carries “a significantly and substantially” greater risk of cerebral venous thrombosis (CVT) than does either one of the two approved mRNA COVID-19 vaccines or infection with influenza virus.
The FDA and the CDC have jointly recommended a temporary pause in the further rollout of Johnson & Johnson Co.’s COVID-19 vaccine while they investigate six rare clotting cases in adults ages 18 to 48.
