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A study of brain stimulation in adults with attention deficit hyperactivity disorder

A double-blind randomised sham-controlled proof of concept study of non-invasive brain stimulation in adults with attention deficit hyperactivity disorder (PCBSADHD)

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN85247318
Enrollment
90
Registered
2023-12-20
Start date
2023-11-02
Completion date
Unknown
Last updated
2024-01-08

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

Conditions

Adult attention deficit hyperactivity disorder (ADHD) Mental and Behavioural Disorders

Interventions

Participants with ADHD will be randomly assigned to one of three groups: Group 1 will receive transcranial Random Noise Stimulation (tRNS) at a frequency randomly generated between 100-600 Hz with an

Sponsors

Neurode Labs Pty. Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Male and Female adults aged between 18-35 years old. 2. Individuals with unmedicated ADHD, who have not taken stimulant and non-stimulant ADHD medications for at least 30 days, and have t-scores > 70 on the CAARS ADHD Index measured at screening.

Exclusion criteria

Exclusion criteria: 1. CAARS ADHD index t-scores < 71. 2. English is not their primary language 3. Individuals who may be pregnant or are planning to become pregnant during the 42-day period of study 4. Individuals self-reporting any of the following conditions: 4.1. Acute psychiatric disorders (e.g., psychosis, schizophrenia) 4.2. Substance abuse disorder 4.3. Autism diagnosis 4.4. Anxiety disorders hindering participation in face-to-face activities involving wearing a clinical headset 4.5. History of unprovoked seizures, epilepsy diagnosis, or having a first-degree relative with such conditions 4.6. Traumatic brain injury, brain tumors, or brain lesions/skull abnormalities 3.7. Serious medical conditions, such as cancer 4.8. Current use of psychoactive medications 4.9. Presence of metallic implants in the body 4.10. Severe scalp or facial skin conditions, such as eczema

Design outcomes

Primary

MeasureTime frame
ADHD symptom severity measured using the Conners Adult ADHD Rating Scales (CAARS) DSM-IV ADHD Symptoms Total score on Day 1, Day 14, Day 28, and Day 42.

Secondary

MeasureTime frame
1. CAARS DSM-IV Inattentive Symptoms score measured on Day 1, Day 14, Day 28, and Day 42. 2. CAARS DSM-IV Hyperactive-Impulsive Symptoms score measured on Day 1, Day 14, Day 28, and Day 42. 3. Cognitive function measured by the Tests of Variables of Attention and Digit Span on Day 1 and Day 28. 4. Performance on cognitive training tasks measured on Days 1-28. 5. Functional impairment measured with the Weiss Functional Impairment Rating Scale – Self Report (WFIRS-S) on Day 1, Day 14, Day 28, and Day 42. 6. Brain activity measured by the investigational device on Days 1-28. 7. Feasibility of the investigational device (inclusive of collection of adverse events) measured on Day 28. 8. Depression, anxiety, and stress as measured by the DASS-21 on Day 1, Day 14, Day 28, and Day 42.

Countries

Australia

Contacts

Public ContactNathalie Gouailhardou
nathalie@neurode.com.au+61 406 411 091

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026