A study into potential serious side effects of weight loss jabs has been launched after hundreds of people reported problems with their pancreas. The Medicines and Healthcare Regulatory Agency (MHRA) and Genomics England are asking people on weight loss drugs who have been hospitalised by acute pancreatitis to get in touch.There have been hundreds of reports of acute and chronic pancreatitis from people who have taken drugs such as Mounjaro, Ozempic and Wegovy, although none are confirmed as being caused by the medicines. The aim is to “better predict those most at risk of adverse reactions”, said MHRA chief safety officer Dr Alison Cave. The study is being run through the MHRA’s Yellow Card scheme, which allows anyone to report an issue with a medicine, vaccine or medical device to help identify safety issues as early as possible.Patients aged 18 and over, with bad reactions to the weight loss jabs – which are also licensed for type 2 diabetes – are being asked to report the detail on the Yellow Card website.They will then be asked if they would be willing to take part in the study, which will check whether some people are at a higher genetic risk of acute pancreatitis when taking these medicines.Patients will be asked to submit more information and a saliva sample, with the overall aim of reducing the occurrence of the side effects in future, says the MHRA. Cases recorded on the Yellow Card website up until 13 May this year include 10 in which patients, who were using weight loss d …