NCT01415440

Brief Summary

The aim of this study is to examine the mechanisms by which stimulant medications reduce symptoms in patients with Attention Deficit Hyperactivity Disorder (ADHD). Using Magnetic Resonance Imaging (MRI), the investigators have found that the volumes of certain brain regions are reduced in patients with ADHD. The reduced volumes were much less pronounced if patients had been treated with stimulant medications, suggesting that stimulants may reduce the symptoms of ADHD by reversing these volume reductions. In a second and related study, the investigators found that in patients with ADHD, emotional processing was normalized when patients were taking stimulant medications. Both studies point to possible mechanisms by which stimulants are effective; however, a significant limitation of these findings is that they were derived from cross-sectional studies. In this current study, the investigators hope to replicate these treatment effects of stimulants in a prospective, controlled manner. The investigators plan to measure ADHD symptom severity in patients before and after 12-weeks of controlled treatment with either a stimulant medication or placebo while utilizing structural and functional MRI. Combining imaging with a randomized controlled trial will allow us to better assess the effects of stimulants on brain function and structure.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
117

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Aug 2011

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 26, 2011

Completed
6 days until next milestone

Study Start

First participant enrolled

August 1, 2011

Completed
11 days until next milestone

First Posted

Study publicly available on registry

August 12, 2011

Completed
6.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2018

Completed
1.3 years until next milestone

Results Posted

Study results publicly available

September 11, 2019

Completed
Last Updated

August 2, 2022

Status Verified

July 1, 2022

Enrollment Period

6.8 years

First QC Date

July 26, 2011

Results QC Date

July 5, 2019

Last Update Submit

July 29, 2022

Conditions

Keywords

ADHDVyvansestimulant medicationADD

Outcome Measures

Primary Outcomes (1)

  • Brain Structure Volume

    Brain structure volume measured in mm\^3

    12 weeks

Study Arms (2)

Psychostimulant

EXPERIMENTAL

30-70 mg capsule of Lisdexamfetamine once daily for 12 weeks

Drug: Lisdexamfetamine

Placebo

PLACEBO COMPARATOR

30-70 mg capsule of placebo (sugar pill) once daily for 12 weeks

Drug: Placebo

Interventions

During the first 4 weeks of treatment, the dosage of Lisdexamfetamine will be adjusted based on the patient's response to the medication. The patient will then be maintained at the lowest effective dose for the remaining 8 weeks of treatment.

Also known as: Vyvanse
Psychostimulant

Placebo dosing will parallel that of Lisdexamfetamine.

Also known as: Sugar pill
Placebo

Eligibility Criteria

Age6 Years - 25 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • ADHD Participants: Meets Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision (DSM-IV-TR) criteria for a primary diagnosis of ADHD, any subtype.
  • Healthy Control Participants: No current DSM-IV-TR Axis I psychiatric diagnosis.
  • All Participants:
  • Male or female, 6 - 25 years of age, and in good physical health
  • English-speaking

You may not qualify if:

  • Current comorbid DSM-IV-TR Axis I psychiatric diagnosis or other symptomatic manifestations that, in the opinion of the examining physician, will contraindicate Lisdexamfetamine treatment or confound safety assessments
  • Meets DSM-IV-TR criteria for active substance abuse and/or dependence
  • Lifetime history of cocaine or stimulant abuse or dependence
  • Actively suicidal
  • Children and adolescents: Prior treatment with psychostimulants for longer than 1 month duration and/or treatment with psychostimulants within the past 4 months Adults: Treatment with psychostimulants within the past 12 months.
  • Documented allergy or intolerance to Lisdexamfetamine or other stimulant medications.
  • Taking other medications with central nervous system effects.
  • History of seizure (other than febrile seizure)
  • Diagnosis of hyperthyroidism, glaucoma, or other serious medical illness.
  • Personal or family history of medical conditions, such as cardiovascular disease, that may interfere with study participation, or for which treatment with Lisdexamfetamine may pose a risk
  • Pregnant or lactating
  • MRI contraindications such as pacemaker, braces, etc.
  • Full scale intelligence quotient (FSIQ) less than 70

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

New York State Psychiatric Institute

New York, New York, 10032, United States

Location

Related Publications (1)

  • Wang Y, Kessel E, Lee S, Hong S, Raffanello E, Hulvershorn LA, Margolis A, Peterson BS, Posner J. Causal effects of psychostimulants on neural connectivity: a mechanistic, randomized clinical trial. J Child Psychol Psychiatry. 2022 Nov;63(11):1381-1391. doi: 10.1111/jcpp.13585. Epub 2022 Feb 9.

MeSH Terms

Conditions

Attention Deficit Disorder with Hyperactivity

Interventions

Lisdexamfetamine DimesylateSugars

Condition Hierarchy (Ancestors)

Attention Deficit and Disruptive Behavior DisordersNeurodevelopmental DisordersMental Disorders

Intervention Hierarchy (Ancestors)

DextroamphetamineAmphetamineAmphetaminesPhenethylaminesEthylaminesAminesOrganic ChemicalsCarbohydrates

Results Point of Contact

Title
Jonathan Posner, MD
Organization
NYSPI

Study Officials

  • Jonathan Posner, M.D

    NYSPI

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Two treatment arms plus sample of healthy controls, who were assessed at one time point
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Psychiatrist

Study Record Dates

First Submitted

July 26, 2011

First Posted

August 12, 2011

Study Start

August 1, 2011

Primary Completion

June 1, 2018

Study Completion

June 1, 2018

Last Updated

August 2, 2022

Results First Posted

September 11, 2019

Record last verified: 2022-07

Data Sharing

IPD Sharing
Will not share

Locations