hrp0086p1-p898 | Thyroid P1 | ESPE2016

Do Different Initial Doses of L-T4 within the Range of 10-15 mcg/kg/day Influence Neurodevelopment during the First Two Years of Life in Children with Congenital Hypothyroidism?

Esposito Andrea , Bravaccio Carmela , Bruzzese Dario , Cassio Alessandra , Gastaldi Roberto , Mussa Alessandro , Peroni Elena , Polizzi Miriam , Vigone Maria Cristina , Wasniewska Malgorzata Gabriela , Weber Giovanna , Salerno Mariacarolina

Background: The initial L-T4 dose currently recommended in the treatment of congenital hypothyroidism (CH) is 10–15 mcg/kg per day.Objective and hypotheses: We designed a multicenter randomized trial to evaluate the effects of different starting doses of L-T4 within the range 10–15 mcg/kg per day on neurocognitive development in children with CH.Method: Seventy-two children with CH diagnosed by neonatal screening were enr...