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A Dose-Ranging, Cross-over Study of the Safety and Efficacy of ABT-089 in Adults With Attention-Deficit/Hyperactivity Disorder (ADHD)

A Randomized, Double-Blind, Placebo-Controlled, Phase 2 Dose-Ranging Study of the Safety and Efficacy of ABT-089 in Adults With Attention-Deficit/Hyperactivity Disorder (ADHD)

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00391729
Enrollment
221
Registered
2006-10-24
Start date
2006-10-31
Completion date
2007-06-30
Last updated
2011-10-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Attention-Deficit/Hyperactivity Disorder

Keywords

ADHD

Brief summary

The objective of this study is to compare the safety and efficacy of five doses of ABT-089 (2 mg QD, 5 mg QD, 15 mg QD, 40 mg QD and 40 mg BID) to placebo in adults with ADHD.

Interventions

Subjects will take 2 mg QD, 5 mg QD, 15 mg QD, 40 mg QD, 40 mg BID for 4-6 weeks

DRUGPlacebo

Subjects will take placebo QD, BID for 4-6 weeks

Sponsors

Abbott
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
No

Inclusion criteria

* Meet criteria for attention deficit hyperactivity disorder * Have voluntarily signed an informed consent form * Are between 18 and 60 years of age * Will use contraceptive methods during the study * Women must not be pregnant or breast-feeding * Must be in generally good health * Are fluent in English

Exclusion criteria

* They have a current or past diagnosis of schizoaffective disorder, schizophrenia, obsessive-compulsive disorder, drug-induced psychosis, bipolar disorder, psychotic disorder or mental retardation * They have a current diagnosis of major depressive episode, generalized anxiety disorder (GAD), or post-traumatic stress disorder (PTSD) or have a clinically significant sleep disorder requiring treatment * They require ongoing treatment or expected treatment with any psychotropic medication, including anxiolytics, antipsychotics, anticonvulsants, antidepressants or mood stabilizers * They failed to respond to two or more adequate trials of FDA-approved ADHD medication * They have violent, homicidal or suicidal ideation * They have a significant history of medical diagnoses, seizure disorder, Tourette's syndrome or a central nervous system (CNS) disease, excluding ADHD * They have a urine drug screen that is positive for alcohol or drugs of abuse * They have a history of substance or alcohol disorder (abuse/dependence) during the last 3 months

Design outcomes

Primary

MeasureTime frame
Investigator-rated Connors' Adult ADHD Rating Scale(CAARS) total scoreat the final evaluation of each 4-week treatment period

Secondary

MeasureTime frame
CAARS Inattentive and Hyperactive/Impulsive Sub scales Scoresat the final evaluation of each 4-week treatment period
CAARS ADHD Index, CAARS:Selfat the final evaluation of each 4-week treatment period
CGI-ADHD-S, AISRS, TASS, FTNDat the final evaluation of each 4-week treatment period
QSU-Brief, CANTAB cognitive batteryat the final evaluation of each 4-week treatment period

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026