Participants will receive twice daily methylphenidate or placebo.

2 trials

Sponsors

Amsterdam UMC, Amsterdam UMC / Amsterdam Public Health (Personalized Medicine)

Conditions

PhenylketonuriaSmith-Magenis syndrome

Unknown Phase

Methylphenidate for ADHD in Smith-Magenis syndrome

Active, not recruitingNL-OMON20117

Amsterdam UMCSmith-Magenis syndrome

Start: 2021-01-04Target: 6Updated: 2024-02-28

Effectiveness of methylphenidate in adults with phenylketonuria and attention-deficit/hyperactivity disorder: An N-of-1 series

Active, not recruitingNL-OMON24320

Amsterdam UMC / Amsterdam Public Health (Personalized Medicine)Phenylketonuria

Start: 2021-09-01Target: 5Updated: 2024-02-28