tDCS in Adults With ASD and/or ADHD Without Intellectual Disability
Ensayo clínico Fase 1 de tDCS en Adultos Con TEA y/o TDAH Sin Discapacidad Intelectual
Ensayo clínico Fase 1 de tDCS en Adultos Con TEA y/o TDAH Sin Discapacidad Intelectual
Sponsor study identifier
interventional
25
1 country
1
Study Start
November 7, 2022
Actual (reported)Primary Completion
January 19, 2024
Actual (reported)Study Completion
January 19, 2024
Actual (reported)The goal of this clinical trial is to learn about the safety and tolerability of transcranial direct current stimulation (tDCS) combined with cognitive training in adults with Autism Spectrum Disorder (ASD) and/or Attention-Deficit/Hyperactivity Disorder (ADHD). The main question it aims to answer is: Is tDCS safe and well-tolerated in adults with ASD and/or ADHD? Researchers will compare active tDCS to a sham (placebo-like) stimulation to evaluate safety and tolerability. Participants will: Receive either active or sham tDCS for 20 minutes daily over 10 consecutive workdays Undergo stimulation with the anode placed at F3 and the cathode at Fp2 Complete daily cognitive training exercises using the NeuronUP platform during stimulation Attend baseline and follow-up assessments to monitor for any side effects or discomfort related to the intervention
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
January 19, 2024
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
November 7, 2022
Actual (reported)January 19, 2024
Actual (reported)January 19, 2024
Actual (reported)April 8, 2025
Actual (reported)April 27, 2025
Actual (reported)Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]
Participants will be monitored for adverse events, side effects (e.g., headache, skin irritation, fatigue), and dropout rates. This will be assessed through participant self-report, clinician observation, and standardized side effect checklists administered during and after each session. The outcome will help determine whether daily tDCS paired with cognitive training is safe and acceptable for adults with ASD and/or ADHD.
Throughout the 10-day intervention period and at follow-up (up to 2 weeks post-intervention)
Participants in this arm will receive anodal transcranial direct current stimulation (tDCS) at 2 mA for 20 minutes per session over 10 consecutive workdays. The anode will be placed over the left dorsolateral prefrontal cortex (F3) and the cathode over the right frontopolar cortex (Fp2) using the 10-20 EEG system. Stimulation will be administered concurrently with cognitive training using the NeuronUP platform, which includes tasks targeting attention, memory, and executive function.
Participants in this arm will undergo the same setup and procedures as the active tDCS group but will receive sham stimulation, which mimics the sensation of tDCS without delivering current beyond the initial ramp-up/down. They will also complete cognitive training with the NeuronUP platform during each session.
This intervention involves non-invasive brain stimulation using transcranial direct current stimulation (tDCS) delivered via saline-soaked sponge electrodes. The anode is placed at F3 (left dorsolateral prefrontal cortex) and the cathode at Fp2 (right frontopolar cortex), according to the international 10-20 EEG system. A 2 mA current is applied for 20 minutes per session, administered once daily on 10 consecutive workdays. During stimulation, participants engage in cognitive training using the NeuronUP platform, which provides structured, interactive tasks designed to train executive function, attention, and working memory. This combination aims to enhance neural plasticity by pairing neuromodulation with cognitive engagement.
Hospital Universitari Vall d'Hebron
Barcelona, Barcelona, 08035, Spain
25 participants (actual enrollment reported by the registry).
First Submitted
April 8, 2025
First Posted
April 27, 2025
Study Start
November 7, 2022
Actual (reported)The sham condition mimics the active setup but delivers only brief ramp-up/down stimulation, producing the initial sensation without sustained current.
The cognitive training intervention in this study is delivered through NeuronUP, a digital platform offering evidence-based cognitive stimulation activities. This intervention targets core cognitive domains such as working memory, attention, and executive function through personalized, interactive tasks. What distinguishes this approach is NeuronUP's extensive library of over 10,000 activities, its ability to tailor difficulty levels in real time based on individual performance, and the inclusion of functional tasks that mirror real-life scenarios. Unlike other interventions, NeuronUP also enables therapist-guided customization, allowing for individualized treatment plans that evolve with participant progress, ensuring both relevance and ecological validity.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
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Primary Completion
January 19, 2024
Actual (reported)Study Completion
January 19, 2024
Actual (reported)Last Updated
August 1, 2025
Record last verified: 2025-07
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Source: ClinicalTrials.gov.
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