50
Participants
Start Date
June 30, 2025
Primary Completion Date
December 31, 2029
Study Completion Date
December 31, 2029
Methylphenidate (MPH)
"10 mg methylphenidate tablets with a scoreline. Tablets will be administered orally.~For children aged 6-12, a daily dose of 5 mg x 2 will be administered during the first week with an increase in dose to 10 mg x 2 in the second week. For adolescents and adults above 12 years of age, the same starting dose will be used as for children, with weekly incremental increases up to a maximum of 15 mg x 2 daily in the third week. In case of potential toxicity events during study, dosage of methylphenidate can be modified according to protocol."
Placebo
"10 mg methylphenidate-matched placebo tablets with a scoreline. Tablets will be administered orally.~Dosage will follow the exact same principles as for the study drug (methylphenidate)."
Rigshospitalet, Copenhagen
Odense University Hospital, Odense
Aarhus University Hospital, Aarhus
Aalborg University Hospital, Aalborg
Aarhus University Hospital Skejby
OTHER
Aalborg University Hospital
OTHER
Rigshospitalet, Denmark
OTHER
University of Southern Denmark
OTHER
Odense University Hospital
OTHER