NCT06766214

Brief Summary

A randomized controlled two-arm study (RCT) will be conducted. It is planned to randomly assign eligible patients who receive a three-month access to the psychotherapeutic program (Attexis) to either an additional verum-tDCS or placebo-tDCS condition.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Sep 2024

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

Study Start

First participant enrolled

September 1, 2024

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

November 22, 2024

Completed
2 months until next milestone

First Posted

Study publicly available on registry

January 9, 2025

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 21, 2025

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

February 24, 2026

Completed
Last Updated

February 27, 2026

Status Verified

February 1, 2026

Enrollment Period

1.2 years

First QC Date

November 22, 2024

Last Update Submit

February 24, 2026

Conditions

Keywords

ADHDtDCSAttexisPsychotherapyHome-based

Outcome Measures

Primary Outcomes (5)

  • Compliance (Number of days (60) of actual (Placebo-)tDCS-treatment)

    Number of days of treatment with (Placebo-)tDCS

    12 weeks

  • Efficacy 1 (Number of responders according to the ASRS-v1.1)

    (Number of responders according to the ASRS-v1.1)

    12 weeks

  • Efficacy 2 (Number of responders according to the subscale attention of the ASRS-v1.1)

    Number of responders according to the subscale attention of the ASRS-v1.1

    12 weeks

  • Efficacy 3 (Number of responders according to the subscale hyperactivity of the ASRS-v1.1)

    Number of responders according to the subscale hyperactivity of the ASRS-v1.1

    12 weeks

  • Stability of effects (Number of responders according to the change of the final ASRS-v1.1 sumscore)

    Number of responders according to the change of the ASRS-v1.1 sumscore after treatment

    24 weeks

Secondary Outcomes (4)

  • Adult ADHD Self-Report Scale Symptom Checklist (ASRS-v1.1, sumscore)

    12 weeks

  • Adult ADHD Self-Report Scale Symptom Checklist (ASRS-v1.1, Subscale: Attention)

    12 weeks

  • Adult ADHD Self-Report Scale Symptom Checklist (ASRS-v1.1, Subscale: hyperactivity)

    12 weeks

  • Usability (sumscore of the Usability experience questionnaire UEQ)

    12 weeks

Study Arms (2)

Attexis and tDCS

EXPERIMENTAL

15 patients receive three-month access to the psychotherapy app attexis and a tDCS device from the company Sooma, which is set to verum

Device: transcranial direct current stimulation

Attexis and placebo-tDCS

PLACEBO COMPARATOR

15 patients receive three-month access to the psychotherapy app attexis and a tDCS device from the company Sooma, which is set to sham

Device: sham transcranial direct current stimulation

Interventions

Simultaneous treatment with sham-tDCS and online-based psychotherapy

Also known as: attexis
Attexis and placebo-tDCS

Simultaneous treatment with tDCS and online-based psychotherapy

Also known as: attexis
Attexis and tDCS

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Gender: female, male, non-binary
  • Age: 18 - 65
  • Diagnosis of ADHD according to ICD-10
  • ADHD severity score (cut-off): Score of ≥17 on either the inattention subscale or the impulsivity/hyperactivity subscale of the ASRS v1.1
  • Stable treatment (psychotherapy, medication, no treatment, ...) (if applicable) for at least 30 days at the time of admission
  • Consent to participate
  • Sufficient knowledge of the German language

You may not qualify if:

  • tDCS:
  • Fulfillment of the contraindications for tDCS (electrical implants or metallic objects in the body such as pacemakers or insulin pumps, skin diseases on the head)
  • Neurological diseases (e.g. cerebrovascular events, neurodegenerative diseases, epilepsy, brain malformation, history of severe head injuries)
  • Participation in another study during treatment
  • Pregnancy or breastfeeding
  • Attexis:
  • Diagnosis of a comorbid clinically relevant severe psychiatric disorder (severe affective disorder, autism spectrum disorder, psychotic disorder, borderline personality disorder, antisocial personality disorder, substance use disorder, suicidality)
  • Plan to change an ongoing treatment (psychotherapy, medication, ...) in the next three months after enrollment in the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany

Regensburg, Bavaria, 93053, Germany

Location

MeSH Terms

Conditions

Attention Deficit Disorder with Hyperactivity

Interventions

Transcranial Direct Current Stimulation

Condition Hierarchy (Ancestors)

Attention Deficit and Disruptive Behavior DisordersNeurodevelopmental DisordersMental Disorders

Intervention Hierarchy (Ancestors)

Electric Stimulation TherapyTherapeuticsConvulsive TherapyPsychiatric Somatic TherapiesBehavioral Disciplines and ActivitiesElectroshockPsychological Techniques

Study Officials

  • Berthold Langguth, PhD

    University of Regensburg

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
INVESTIGATOR
Masking Details
https://www.random.org/lists/
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: 1\. treatment with Attexis and tDCS and 2. treatment with Attexis and placebo tDCS
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Clinical Professor, MD, PhD

Study Record Dates

First Submitted

November 22, 2024

First Posted

January 9, 2025

Study Start

September 1, 2024

Primary Completion

November 21, 2025

Study Completion

February 24, 2026

Last Updated

February 27, 2026

Record last verified: 2026-02

Locations