About this trial
This open label, single arm study will evaluate the PK and PD effects of fenebrutinib in children and adolescents with RMS aged between 10 and \< 18 years.
This study consists of a Dose Exploration Period and an Optional Extension Period. Eligible participants may choose to continue treatment with fenebrutinib in the optional extension period after completing the dose exploration period.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
A diagnosis of RMS in accordance with the International Pediatric Multiple Sclerosis Study Group (IPMSSG) criteria for pediatric MS, Version 2012, and the revised 2017 McDonald Criteria and one or more of the following: at least one MS relapse during the previous year or two MS relapses in the previous 2 years or evidence of at least one Gd enhancing lesion on MRI within 6 month
Expanded Disability Status Scale (EDSS) at screening from 0 to 5.5 points, inclusive
Children and adolescents must have received all childhood vaccinations as per local/national recommendations for childhood vaccination against infectious diseases
Disqualifiers
A diagnosis of primary progressive multiple sclerosis (PPMS) or non-active secondary progressive multiple sclerosis (SPMS)
Potentially confounding neurological, somatic, or metabolic disorders
Current clinically significant psychiatric or medical illness
History of cancer, transplants, or bleeding disorders
Trial design
Single group
Treatments tested in this trial
Fenebrutinib
DrugFenebrutinib will be administered orally.
Treatment groups
Trial outcomes
Primary outcomes
Plasma Concentration of Fenebrutinib
Total Number of New T1 Gadolinium (Gd)-enhancing Lesions on Brain Observed Through Magnetic Resonance Imaging (MRI) Scans
Secondary outcomes
Number of Participants With Adverse Events (AEs)
Percentage of Participants With Suicidal Ideation (SI) or Behavior, as Assessed by Columbia-Suicide Severity Rating Scale (C-SSRS)
The C-SSRS is an interview-based instrument used to assess baseline incidence of SI and behavior. The assessment includes yes/no (0/1) responses for 5 questions, each related to SI.
Change From Baseline in Vital Signs - Pulse Rate
Change From Baseline in Vital Signs - Blood Pressure
Sponsors and contacts
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