Myasthenia Gravis News Forums › Forums › Research and Clinical Trials › What happened to efgartigimod/Vyvgart for seronegative MG? Research and Clinical Trials What happened to efgartigimod/Vyvgart for seronegative MG? TheresaG replied 4 months, 3 weeks ago 21 Members · 47 Replies TheresaG Member May 22, 2024 at 2:20 pm Just last week my neuro that does clinical trials said they are currently doing one for vyvgart. Check the NIH and see if one near you. Page 2 of 2 ← 1 2 Log In to Reply Log in to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me Log In to Reply Start of Discussion 0 of 0 replies June 2018 Now