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fMRI study of guanfacine and lisdexamfetamine in ADHD adolescents

09 January 2019

This study looks at two different types of medication that are sometimes used in treatment of children with Attention Deficit Hyperactivity Disorder (ADHD). The medications we are studying are called lisdexamfetamine and guanfacine. We would like to find out how these two drugs act on the brain of children and adolescents with ADHD. This is where you can help us!


  • Males
  • Age 10-18
  • ADHD diagnosis
  • Never medicated for ADHD or non-medicated for at least one year
  • Right-handed
  • Weight: 25-80 kg
  • No other psychiatric or neurological disorder
  • No history of substance abuse
  • No metal in your body (e.g. braces, pacemaker)
  • No history of cardiac problems

Take part in this study


Ethical approval

London Bridge Research Ethics Committee, ID: 18/LO/0472.

Contact researcher

Academic study

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