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Neurophysiological Attention Test (NAT) for Objective Assessment of Adult ADHD (NAT-II)

T

Think Now Incorporated

Status

Completed

Conditions

Attention Deficit Hyperactivity Disorder

Treatments

Other: NAT electroencephalography (EEG) test

Study type

Observational

Funder types

Other
Industry
NIH

Identifiers

NCT02756286
R44MH099709 (U.S. NIH Grant/Contract)
TNI-NAT-II

Details and patient eligibility

About

The purpose of this study is to refine a new assessment tool for Attention Deficit/Hyperactivity Disorder (ADHD) and then to test its validity (i.e. ability to discriminate between individuals with ADHD and healthy controls.

Full description

The purpose of this study is to build upon the success the novel approach and software for analyzing electroencephalography (EEG) data to identify biomarkers of ADHD in adults by further refining the method. Then to test the ability of this new assessment tool to differentiate between adults with ADHD and healthy controls by comparing the classification accuracy of the metrics from the new tool to the classification accuracy of existing behavioral tests for ADHD.

Enrollment

258 patients

Sex

All

Ages

18 to 40 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

Specific inclusion criteria for ADHD are:

  1. meet established Diagnositic and Statistical Manual-5 criteria for ADHD predominately inattentive or combined subtype with clinically significant levels of impairment, diagnosed by structured clinical interview, the Mini International Neuropsychiatric Interview, and corroborating information
  2. Clinical Global Impression-Severity (CGI-S) score ≥ 4 for ADHD
  3. no lifetime history of DSM-5 bipolar disorder, psychotic disorder, pervasive developmental disorder, obsessive-compulsive disorder, substance abuse, or substance dependence (except nicotine) as assessed with the Mini International Neuropsychiatric Interview (MINI).
  4. able in the opinion of the investigator to complete all required study procedures.

Exclusion criteria

Exclusion criteria for both groups are:

  1. History of diagnosis of childhood disorder other than ADHD (e.g. autism, dyslexia)
  2. history of any general medical condition likely to require chronic use of medication with identified central nervous system (CNS) effects suspected to alter cognitive performance
  3. history of seizure disorder, brain tumor, other major neurological disorder or head injury resulting in loss of consciousness
  4. serious oxygen deprivation
  5. current psychopathology requiring ongoing treatment with antipsychotic medications, mood stabilizers, benzodiazepines, or anticonvulsants
  6. current untreated psychopathology which is rated to be primary in terms of severity (greater than ADHD severity)
  7. current treatment with guanfacine.

Trial design

258 participants in 2 patient groups

ADHD: Adults with ADHD
Description:
NAT electroencephalography (EEG) test
Treatment:
Other: NAT electroencephalography (EEG) test
Controls: Healthy adults without ADHD
Description:
NAT electroencephalography (EEG) test
Treatment:
Other: NAT electroencephalography (EEG) test

Trial contacts and locations

3

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Data sourced from clinicaltrials.gov

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