Stopped: Failure of TV50717-CNS-30080 (parent study) to meet the primary efficacy endpoint
Study TV50717-CNS-30081 is a 55-week study in which participants who have successfully completed the parent study (Study TV50717-CNS-30080) may be eligible to enroll in this study. The primary objective of this study is to evaluate the safety and tolerability of long-term therapy with TEV-50717 in children and adolescents with DCP. The secondary objective of this study is to evaluate the efficacy of long-term therapy with TEV-50717 in reducing the severity of DCP.
Age range
6 Years – 18 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Number of Participants With Adverse Events (AEs)
Timeframe: Baseline up to Week 55
Number of Participants (Aged ≥12 Years) With Columbia-Suicide Severity Rating Scale (C-SSRS) Outcomes (Worst Overall Finding)
Timeframe: Baseline to Week 54
Change From Baseline in Extrapyramidal Symptom Rating Scale (ESRS) Subscale I Total Score at Week 54
Timeframe: Baseline, Week 54
Change From Baseline in ESRS Subscale II Total Score at Week 54
Timeframe: Baseline, Week 54
Change From Baseline in Child Behavior Checklist (CBCL) Competence Total Score at Week 53
Timeframe: Baseline, Week 53
Change From Baseline in CBCL Syndrome Total Score at Week 53
Timeframe: Baseline, Week 53
Change From Baseline in Epworth Sleepiness Scale (ESS) Total Score at Week 54
Timeframe: Baseline, Week 54