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Efficacy and Safety of Lisdexamfetamine Dimesylate (LDX) in Adolescents With Attention-Deficit/Hyperactivity Disorder (ADHD)

NCT00735371 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 314

Last updated 2021-06-14

Study results available
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Summary

The study will evaluate the efficacy of LDX treatment group compared to placebo on the change from Baseline ADHD-RS-IV score at endpoint.

Conditions

  • Attention Deficit Hyperactivity Disorder (ADHD)

Interventions

DRUG

LDX 30 mg

Eligible subjects will be randomized in a 1:1:1:1 ratio to a daily morning dose of LDX (30, 50, or 70mg/day) or placebo for a double-blind stepwise forced dose titration (3 weeks) followed by a 1-week Dose Maintenance Period. The test product is LDX, available in 30, 50, and 70mg capsules. All test products will appear identical to placebo to protect the study blind.

DRUG

LDX 50 mg

Eligible subjects will be randomized in a 1:1:1:1 ratio to a daily morning dose of LDX (30, 50, or 70mg/day) or placebo for a double-blind stepwise forced dose titration (3 weeks) followed by a 1-week Dose Maintenance Period. The test product is LDX, available in 30, 50, and 70mg capsules. All test products will appear identical to placebo to protect the study blind.

DRUG

LDX 70 mg

Eligible subjects will be randomized in a 1:1:1:1 ratio to a daily morning dose of LDX (30, 50, or 70mg/day) or placebo for a double-blind stepwise forced dose titration (3 weeks) followed by a 1-week Dose Maintenance Period. The test product is LDX, available in 30, 50, and 70mg capsules. All test products will appear identical to placebo to protect the study blind.

DRUG

Placebo

Placebo will be identical to test product.

Sponsors & Collaborators

  • Shire

    lead INDUSTRY

Principal Investigators

  • Study Director · Takeda

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
13 Years
Max Age
17 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2008-10-08
Primary Completion
2009-04-06
Completion
2009-04-06

Countries

  • United States

Study Locations

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Entities

Drugs

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00735371 on ClinicalTrials.gov