Long-term Safety and Effectiveness of Growth Hormone With GHD, TS, CRF, SGA , ISS and PWS in Children

This long-term study is monitoring the safety and effectiveness of growth hormone therapy in children with conditions that cause short stature, to ensure the treatment is working as expected and to track any side effects over many years. **You may be eligible if...** - Your child is 2 years of age or older and has short stature - Your child has been diagnosed with one of the following: growth hormone deficiency (GHD), Turner syndrome (TS), chronic renal failure (CRF), born small for gestational age (SGA), idiopathic short stature (ISS, meaning short with no clear cause), or Prader-Willi syndrome (PWS) - Written consent has been provided by the child, parent, or legal guardian **You may NOT be eligible if...** - Your child does not have one of the qualifying conditions - Your child is under 2 years old - Consent has not been provided Talk to your doctor to see if this trial is right for you.