Evaluation of K9 in Subjects With Thyroid Eye Disease (TED)

Inclusion Criteria: Cohort 1 * Subject is willing and able to receive treatment and complete corresponding assessments as required by the protocol Cohort 2 * Diagnosed with Thyroid Eye Disease (TED). * Symptomatic TED diagnosed no more than 9 months earlier. * Clinical Activity Score ≥ 3 (on 7 point scale) for the worse eye. * Subject is willing and able to receive treatment and complete corresponding assessments as required by the protocol. Exclusion Criteria: Cohort 1 * Body weight less than 55 kg. * History of any clinically significant medical disorders the principal investigator considers exclusionary, including (but not limited to), neuromuscular, hematological disease, immune deficiency state, respiratory disease, hepatic or gastrointestinal disease, neurological or psychiatric disease, ophthalmological disorders, neoplastic disease, renal or urinary tract diseases, or dermatological disease. * Females who are pregnant, nursing, planning a pregnancy or who are of childbearing potential not using a reliable method of contraception. * History or current evidence of hypersensitivity to any components of the study medication, as assessed by the investigator. * Participation in any systemic experimental treatment or any other systemic investigational new drug within 6 weeks or 5 half-lives of the active ingredient (whichever is longer) prior to the start of study treatment. Clinical trials solely involving observation, over-the-counter vitamins, supplements, or diets…