Overview Dosing of LT4 in Older Individuals Status: Recruiting Trial end date: 2028-04-01 Target enrollment: Participant gender: Summary Our overall goal is to determine the clinical consequences of allowing greater flexibility in LT4 dosing in older individuals who take LT4. Phase: Phase 4 Details Lead Sponsor: University of PennsylvaniaCollaborator: National Institute on Aging (NIA)