MBX files for IPO, seeking cash to take challenger to Ascendis' Yorvipath into phase 3

MBX Biosciences has added to the recent flurry of IPO filings. The biotech, which filed its paperwork weeks after raising $63.5 million privately, is seeking funding to take a would-be challenger to Ascendis Pharma’s rare endocrine disease drug Yorvipath into phase 3 development.