~15 spots leftby Apr 2026

Efficacy and Safety of Methylphenidate HCl ER Capsules in Children and Adolescents With ADHD

Recruiting in Palo Alto (17 mi)
+16 other locations
Overseen byLaurence Greenhill, M.D.
Age: < 65
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 3
Waitlist Available
Sponsor: Rhodes Pharmaceuticals, L.P.
Pivotal Trial (Near Approval)
Prior Safety Data

Trial Summary

What is the purpose of this trial?

This multi-center parallel study is designed to study the efficacy and safety of fixed doses of methylphenidate extended release (ER) capsules of four dose levels compared with a placebo group in pediatric patients with Attention Deficit Hyperactivity Disorder (ADHD) who are between 6 and 18 years old.

Eligibility Criteria

Inclusion Criteria

You have been diagnosed with Attention Deficit Hyperactivity Disorder and scored in the 90th percentile or higher on the ADHD Rating Scale - 4th Edition.
You are between the ages of 6 and 18, regardless of gender.
You are in need of treatment for Attention Deficit Hyperactivity Disorder and have abstained from prior medication for a minimum of 2 days.
See 3 more

Treatment Details

Interventions

  • Methylphenidate Hydrochloride Extended Release Capsules (CNS Stimulant)
  • Placebo (Other)
Participant Groups
6Treatment groups
Experimental Treatment
Active Control
Placebo Group
Group I: Methylphenidate HCl ER Capsules (10, 15, 20, 40, 50 or 60 mg)Experimental Treatment1 Intervention
Biphentin Methylphenidate Hydrochloride Extended Release Capsules (10, 15, 20, 40, 50 or 60 mg) - Open Label Phase
Group II: 10 mgActive Control1 Intervention
Biphentin Methylphenidate Hydrochloride Extended Release Capsules 10 mg
Group III: 15 mgActive Control1 Intervention
Biphentin Methylphenidate Hydrochloride Extended Release Capsules 15 mg
Group IV: 20 mgActive Control1 Intervention
Biphentin Methylphenidate Hydrochloride Extended Release Capsules 20 mg
Group V: 40 mgActive Control1 Intervention
Biphentin Methylphenidate Hydrochloride Extended Release Capsules 40 mg
Group VI: PlaceboPlacebo Group2 Interventions
Placebo capsules

Find a Clinic Near You

Research Locations NearbySelect from list below to view details:
Center for Psychiatry and Behavioural Medicine IncLas Vegas, NV
South Shore Psychiatric Services, PCMarshfield, MA
CTMGNew Bern, NC
Wharton Research Center, Inc.Wharton, TX
More Trial Locations
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Who Is Running the Clinical Trial?

Rhodes Pharmaceuticals, L.P.Lead Sponsor

References