Safety & Efficacy of TC-5619 in Adults With Inattentive-predominant Attention Deficit/Hyperactivity Disorder (ADHD)

NCT ID: NCT01472991

Last Updated: 2013-04-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

250 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-11-30

Study Completion Date

2012-07-31

Brief Summary

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Study is to assess if TC-5619 improves symptoms for adults diagnosed with the inattentive-predominant subtype of ADHD over a 4-week treatment period.

Detailed Description

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A 3-arm, double-blind, randomized, placebo-controlled, multicenter, fixed dose study to assess efficacy and safety of TC-5619 in adults with inattentive-predominant attention deficit/hyperactivity disorder (ADHD) utilizing the Connor's Adult ADHD Rating Scale-Investigator Completed Version (CAARS-INV) inattentive subscale scores through 4 weeks of treatment.

Conditions

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Attention Deficit Hyperactivity Disorder

Keywords

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ADHD

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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TC-5619-238 (25mg)

TC-5619-238 25 mg will be provided as hard gelatin capsules

Group Type EXPERIMENTAL

TC-5619-238 25mg

Intervention Type DRUG

TC-5619-238 25mg capsules taken once daily for 4 weeks

Placebo

Placebo will be provided as hard gelatin capsules similar to TC-5619-238

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo capsules will be taken once daily for 4 weeks

TC-5619-238 (5 mg)

TC-5619-238 5 mg will be provided as hard gelatin capsules.

Group Type EXPERIMENTAL

TC-5619-238 5mg

Intervention Type DRUG

TC-5619-238 5mg capsule taken once daily for 4 weeks

Interventions

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TC-5619-238 5mg

TC-5619-238 5mg capsule taken once daily for 4 weeks

Intervention Type DRUG

TC-5619-238 25mg

TC-5619-238 25mg capsules taken once daily for 4 weeks

Intervention Type DRUG

Placebo

Placebo capsules will be taken once daily for 4 weeks

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Diagnosis of Inattentive predominant ADHD per DSM-IV TR) criteria at Screening
2. Score ≥ 2 on at least 6 of 9 items in the inattentive subscale of the CAARS-INV at Baseline (Day 1)
3. Score of \< 2 on at least 4 of 9 items in the hyperactive/impulsivity subscale of the CAARS-INV at Baseline (Day 1)
4. Score ≥ 4 (at least moderate) on the CGI-S
5. Tobacco non-users as indicated by lack of tobacco use within the last 6 months prior to Screening, and by negative urinary cotinine level of \< 50 ng/mL after quantification

Exclusion Criteria

1. Current DSM-IV Axis I psychiatric disorder other than ADHD;
2. Use of tobacco cessation agents within 4 weeks prior to Screening
3. Known or suspected drug abuse within the last 6 months prior to Screening
4. Urine drug screen positive for illegal or non-prescribed drugs at Screening
5. Patients at imminent risk of suicide or of danger to themselves or others as judged by the investigator
6. Use of drugs affecting cognitive function within 4 weeks prior to Day 1. This includes use of any concomitant medications for treatment of ADHD.
7. History of significant other major or unstable neurological, metabolic, hepatic, renal, hematological, pulmonary, cardiovascular (CV), gastrointestinal (GI), or urological disorder; or diagnosis of major depressive disorder
8. Myocardial infarction within past year
9. Seizure disorder within past year
10. Type 1 diabetes mellitus (DM); type 2 DM that requires medication (diet-controlled allowed)
11. HbA1C \> 7.4 at Screening
12. BMI \< 15 or \> 35; male weight \< 100 lbs; female weight \< 80 lbs.
13. Current tuberculosis (TB) or known systemic infection \[Hepatitis B Virus (HBV), Hepatitis C Virus (HCV), Human Immunodeficiency Virus (HIV)\]
14. Women of child-bearing potential and male participants unwilling or unable to use accepted methods of birth control
15. Participation in another Central Nervous System (CNS)-related clinical trial in the last 3 months and any other clinical trial in last 30 days prior to Screening, or participation in a previous TC-5619 clinical trial
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Targacept Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Timothy Wilens, MD

Role: PRINCIPAL_INVESTIGATOR

Clinical Trials Network & Institute, Massachusetts General Hospital

Locations

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Southwestern Research, Inc

Beverly Hills, California, United States

Site Status

Synergy Clinical Research Center

National City, California, United States

Site Status

MCB Clinical Research Centers, LLC

Colorado Springs, Colorado, United States

Site Status

Florida Clinical Research Center, LLC

Bradenton, Florida, United States

Site Status

Clinical Neuroscience Solutions, Inc.

Jacksonville, Florida, United States

Site Status

Florida Clinical Research Center, LLC

Maitland, Florida, United States

Site Status

Clinical Neuroscience Solutions, Inc.

Orlando, Florida, United States

Site Status

Compass Research, Inc.

Orlando, Florida, United States

Site Status

Compass Research, LLC

Orlando, Florida, United States

Site Status

Clinical Trials Network & Institute, Massachusetts General Hospital

Boston, Massachusetts, United States

Site Status

Neuro-Behavioral Clinical Reseach, Inc.

Canton, Ohio, United States

Site Status

Midwest Clinical Research Center

Dayton, Ohio, United States

Site Status

CNS Healthcare

Memphis, Tennessee, United States

Site Status

FutureSearch Clinical Trials, LP

Austin, Texas, United States

Site Status

Countries

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United States

Other Identifiers

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TC-5619-238-CRD-004

Identifier Type: -

Identifier Source: org_study_id