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ADHDPhase 3NCT00697515

Safety and Efficacy Workplace Environment Study of Lisdexamfetamine Dimesylate (LDX) in Adults With Attention-Deficit Hyperactivity Disorder (ADHD)

A Phase 3 study testing LDX in people with ADHD, run by Shire at 5 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

To evaluate the efficacy of LDX compared to placebo in adults with ADHD in the adult workplace environment (AWE) setting Read more about this study

Who is it for?
Ages 18 to 55 years
Conditions the study is for
ADHD
What is being tested?
LDX
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
142 participants
Where
5 sitesUnited States
Study dates
18 Jul 2008to 20 Dec 2008
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 55 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • Subject must be 18-55 years of age, inclusive at the time of consent.
  • Female subjects must have a negative serum beta Human Chorionic Gonadotropin (HCG) pregnancy test at Screening and a negative urine pregnancy test at Baseline and agree to comply with any applicable contraceptive requirements of the protocol.
  • Subject meets Diagnostic and Statistical Manual of Mental Disorders Fourth Edition; Text Revision (DSM IV TR) criteria for a primary diagnosis of ADHD (diagnostic code 314.00 and 314.01) established by a comprehensive psychiatric evaluation that reviews DSM-IV-TR criteria with at least 6 of the 9 subtype criteria met. The Adult ADHD Clinical Diagnostic Scale version 1.2 (ACDS v1.2) will be utilized as the diagnostic tool.
  • Subject has a Baseline score of > or equal to 28 using the Adult ADHD-RS with prompts.
  • Subject must have a minimum level of intellectual functioning, as determined by an Intelligent Quotient (IQ) score of 80 or above based on the Kaufman Brief Intelligence Test (KBIT).

Who cannot join

  • Subject has a current comorbid psychiatric disorder that is either controlled with medications prohibited in this study or is uncontrolled and associated with significant symptoms. Comorbid psychiatric diagnoses will be established by the psychiatric evaluation that includes the Structured Clinical Interview for DSM-IV-TR disorders (SCID-I).
  • Subjects who are currently considered a suicide risk, any subject who has previously made a suicide attempt or those who are currently demonstrating active suicidal ideation.
  • Subject has a history of seizures (other than infantile febrile seizures), any tic disorder, or a current diagnosis and/or a known family history of Tourette's Disorder.
  • Subject has known history of symptomatic cardiovascular disease, advanced arteriosclerosis, structural cardiac abnormality, cardiomyopathy, serious heart rhythm abnormalities, coronary artery disease, transient ischemic attack or stroke or other serious cardiac problems that may place them at increased vulnerability to the sympathomimetic effects of a stimulant drug.
  • Subject has current abnormal thyroid function, as defined as abnormal Screening thyroid stimulating hormone. Treatment with a stable dose of thyroid medication for at least 3 months is permitted.
  • Subject has a history of moderate to severe hypertension or has a resting sitting systolic blood pressure >139mmHg or diastolic blood pressure >89mmHg.
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  • Subject has a documented allergy, hypersensitivity, or intolerance to amphetamines.
  • Subject has failed to respond to one or more adequate courses (dose and duration) of amphetamine therapy.
  • Subject has glaucoma.
  • Subject is taking other medications that have central nervous system (CNS) effects or affect performance, such as sedating antihistamines and decongestant sympathomimetics, or are monoamine oxidase inhibitors (during or within 14 days of test or reference product administration). Stable use of bronchodilator inhalers is not exclusionary.
  • Subject is female and pregnant or lactating.

Trial locations and contacts

5 sites in 1 country.

5 sites in 1 country

United States5 sites
  • Bayou City Research, LTD

    Houston, Texas, 77007

  • University of CA, Irvine Child Development Center

    Irvine, California, 92612

  • Center for Psychiatry & Behavioral Medicine, Inc

    Las Vegas, Nevada, 89128

  • Clinical Study Centers, LLC

    Little Rock, Arkansas, 72205

  • Vince & Associates Clinical Research

    Overland Park, Kansas, 66212

Other trials in United States

About this study

Official title: A Phase IIIb Randomized, Double-Blind, Multicenter, Placebo-Controlled, Dose Optimization, Crossover, Safety and Efficacy Workplace Environment Study of Lisdexamfetamine Dimesylate (LDX) in Adults With Attention-Deficit Hyperactivity Disorder (ADHD)

To evaluate the efficacy of LDX compared to placebo in adults with ADHD in the adult workplace environment (AWE) setting

Read the detailed description

This study has both an optimization and double-blind period

Conditions
ADHD
Being tested
LDX, Placebo
Medical subject headings
Attention Deficit Disorder with Hyperactivity

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • LDXDrug

    oral, 30, 50, or 70 mg once-daily for 4 weeks during dose optimization, and then for 1 week during each crossover during the adult workplace environment setting

  • PlaceboDrug

    Placebo administered once-daily for one week during the adult workplace environment setting

Study groups in NCT00697515
Study groupRoleWhat they receive
Lisdexamfetamine Dimesylate (LDX, SPD489)Active comparatorNot described
Receives: Drug: LDX
PlaceboPlacebo comparatorNot described
Receives: Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Permanent Product Measure of Performance (PERMP) Total Score Over the Treatment Day in the Crossover Phase

    The Permanent Product Measure of Performance (PERMP) is a skill adjusted math test. The PERMP score is the sum of the number of math problems attempted plus the number of math problems answered correctly in a 10-minute session. The scores range from 0-800 with higher scores indicating better performance.

    Measured: 2, 4, 8, 10, 12 and 14 hours post-dose on Day 7

Secondary outcomes (16)
  1. PERMP Total Score by Timepoint in the Crossover Phase

    The Permanent Product Measure of Performance (PERMP) is a skill adjusted math test. The PERMP score is the sum of the number of math problems attempted plus the number of math problems answered correctly in a 10-minute session. The scores range from 0-800 with higher scores indicating better performance.

    Measured: 2, 4, 8, 10, 12 and 14 hours post-dose on Day 7

  2. PERMP Score for the Number of Math Problems Attempted by Timepoint in the Crossover Phase

    The Permanent Product Measure of Performance (PERMP) is a skill adjusted math test. The PERMP score is the sum of the number of math problems attempted plus the number of math problems answered correctly in a 10-minute session. The scores range from 0-800 with higher scores indicating better performance.

    Measured: 2, 4, 8, 10, 12 and 14 hours post-dose on Day 7

  3. PERMP Score for the Number of Math Problems Answered Correctly by Timepoint in the Crossover Phase

    The Permanent Product Measure of Performance (PERMP) is a skill adjusted math test. The PERMP score is the sum of the number of math problems attempted plus the number of math problems answered correctly in a 10-minute session. The scores range from 0-800 with higher scores indicating better performance.

    Measured: 2, 4, 8, 10, 12 and 14 hours post-dose on Day 7

  4. Change From Baseline in Attention Deficit Hyperactivity Disorder Rating Scale With Prompts (ADHD-RS) Total Score at up to 28 Days in the Dose Optimization Phase

    The Attention Deficit Hyperactivity Disorder Rating Scale with Prompts (ADHD-RS) consists of 18 items scored on a 4-point scale ranging from 0 (no symptoms) to 3 (severe symptoms) with total score ranging from 0 to 54.

    Measured: Baseline and 7, 14, 21 and 28 days

  5. ADHD-RS With Prompts Total Score in the Crossover Phase

    The Attention Deficit Hyperactivity Disorder Rating Scale with Prompts (ADHD-RS) consists of 18 items scored on a 4-point scale ranging from 0 (no symptoms) to 3 (severe symptoms) with total score ranging from 0 to 54.

    Measured: 7 days

  6. Assessment of Clinical Global Impression-Severity of Illness (CGI-S) in the Dose Optimization Phase

    CGI-S assesses the severity of the subject's condition on a 7-point scale ranging from 1 (normal, not at all ill) to 7 (among the most extremely ill)

    Measured: Baseline

  7. Number of Participants With Improvement on Clinical Global Impression-Improvement (CGI-I) in the Dose Optimization Phase

    CGI-I consists of a 7-point scale ranging from 1 (very much improved) to 7 (very much worse). Improvement is defined as a score of 1 (very much improved) or 2 (much improved) on the scale.

    Measured: 7, 14, 21 and 28 days

  8. Number of Participants With Improvement on Clinical Global Impression-Improvement (CGI-I) in the Crossover Phase

    CGI-I consists of a 7-point scale ranging from 1 (very much improved) to 7 (very much worse). Improvement is defined as a score of 1 (very much improved) or 2 (much improved) on the scale.

    Measured: 7 days

  9. Change From Baseline in the Brown Attention Deficit Disorder Scale (BADDS) Total Scores at 26 Days in the Dose Optimization Phase

    The BADDS assessment consists of 40 items rated on a scale from 0 (never) to 3 (almost daily). The total score ranges from 0 to 120 with increasing scores indicating more severe impairment.

    Measured: Baseline and 26 days

  10. Level of Satisfaction With Study Treatment on Medication Satisfaction Questionnaire (MSQ) in the Dose Optimization Phase

    MSQ is a survey rating the subject's level of satisfaction with the study treatment medication.

    Measured: 26 days

  11. Change From Baseline in Adult ADHD Impact Module (AIM-A) Question 1 Score at 26 Days in the Dose Optimization Phase

    AIM-A is a quality of life instrument. Question 1 is 'On a scale of 1 to 10, how would you rate the overall quality of life right now?' It is rated on a scale of 1 (worst) to 10 (best).

    Measured: Baseline and 26 days

  12. Change From Baseline in AIM-A Question 4 Score at 26 Days in the Dose Optimization Phase

    AIM-A is a quality of life instrument. Question 4 is 'How much do you agree with this statement: Over the past few weeks, I've had more good days than bad days?' This is rated on a scale of 1 (strongly agree) to 5 (strongly disagree).

    Measured: Baseline and 26 days

  13. Change From Baseline in Systolic Blood Pressure at Up to 28 Days in the Dose Optimization Phase

    Measured: Baseline and 7, 14, 21 and 28 days

  14. Change From Baseline in Diastolic Blood Pressure at Up to 28 Days in the Dose Optimization Phase

    Measured: Baseline and 7, 14, 21 and 28 days

  15. Change From Baseline in Pulse Rate at Up to 28 Days in the Dose Optimization Phase

    Measured: Baseline and 7, 14, 21 and 28 days

  16. Change From Baseline in Electrocardiogram Results (QTcF Interval) at 7 Days in the Crossover Phase

    QTcF is the QT interval using Fridericia's correction formula. QT interval is a measure of time between the start of the Q wave and the end of the T wave and is dependent on the heart rate(e.g., the faster the heart rate, the shorter the QT interval). The QT interval has to be corrected in order to aid interpretation.

    Measured: Baseline and 7 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted16 Jun 2008 (estimated)
  2. Study start18 Jul 2008
  3. Primary completion20 Dec 2008
  4. Study completion20 Dec 2008

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
142 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00697515
Sponsor's protocol ID
SPD489-316
Status last verified
May 2021
First submitted
11 Jun 2008
Last updated
9 Jun 2021
Data monitoring committee
No

Publications

  • Wigal T, Brams M, Gasior M, Gao J, Squires L, Giblin J; 316 Study Group. Randomized, double-blind, placebo-controlled, crossover study of the efficacy and safety of lisdexamfetamine dimesylate in adults with attention-deficit/hyperactivity disorder: novel findings using a simulated adult workplace environment design. Behav Brain Funct. 2010 Jun 24;6:34. doi: 10.1186/1744-9081-6-34.

    PubMed 20576091
  • Brams M, Giblin J, Gasior M, Gao J, Wigal T. Effects of open-label lisdexamfetamine dimesylate on self-reported quality of life in adults with ADHD. Postgrad Med. 2011 May;123(3):99-108. doi: 10.3810/pgm.2011.05.2288.

    PubMed 21566420
  • Brown TE, Brams M, Gasior M, Adeyi B, Babcock T, Dirks B, Scheckner B, Wigal T. Clinical utility of ADHD symptom thresholds to assess normalization of executive function with lisdexamfetamine dimesylate treatment in adults. Curr Med Res Opin. 2011;27 Suppl 2:23-33. doi: 10.1185/03007995.2011.605441.

    PubMed 21973229
  • Brown TE, Brams M, Gao J, Gasior M, Childress A. Open-label administration of lisdexamfetamine dimesylate improves executive function impairments and symptoms of attention-deficit/hyperactivity disorder in adults. Postgrad Med. 2010 Sep;122(5):7-17. doi: 10.3810/pgm.2010.09.2196.

    PubMed 20861583

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing LDX in people with ADHD, run by Shire at 5 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 9 Jun 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 5 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 1 Feb 2010). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Permanent Product Measure of Performance (PERMP) Total Score Over the Treatment Day in the Crossover Phase (time frame: 2, 4, 8, 10, 12 and 14 hours post-dose on Day 7). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00697515, which also lists 4 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Jun 2021.

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