12
Participants
Start Date
January 31, 2013
Primary Completion Date
October 18, 2017
Study Completion Date
October 18, 2017
Levothyroxine
The Children's Hospital of Philadelphia, Philadelphia
Children's National Medical Center, Washington D.C.
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Children's Hospital of Philadelphia
OTHER