An Open-label Extension Study for Participants Who Completed Study IMVT-1401-3201 or Study IMVT-1401-3202 to Assess the Efficacy and Safety of Batoclimab for the Treatment of Thyroid Eye Disease (TED)
This is a 2-cohort (observational and treatment cohort) extension study for participants completing feeder studies (IMVT-1401-3201 or IMVT-1401-3202). The observational cohort will assess the durability of proptosis response of feeder studies off treatment. The treatment cohort will evaluate the efficacy of batoclimab as assessed by proptosis responder rate.
⁃ For all participants:
⁃ 1\. Have completed the Week 24 visit of the feeder study.
⁃ For participants assigned to the Open-label Treatment Cohort:
• Do not require immediate surgical intervention and is not planning corrective surgery/irradiation or medical therapy for TED during the course of the study.
• Did not permanently discontinue batoclimab
⁃ Additional inclusion criteria are defined in the protocol.