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EEG Prediction and Clinical Efficacy of tDCS in Major Depression (DM-TDCS-PREDIC)

3. Juli 2026 aktualisiert von: Ionclinics & Deionic SL

Clinical Efficacy of tDCS in Major Depression: A Controlled Clinical Trial and Analysis of Electrophysiological Biomarker Predictors

The purpose of this randomized controlled trial is to investigate the non-inferiority, and possible superiority, of a high-dose home-based tDCS protocol compared with a conventional home-based protocol, and to assess its cost-effectiveness, in patients with major depression.

As a secondary aim, we aim to assess the predictive value of baseline EEG for clinical response to high-dose home-based tDCS treatment in patients with major depression.

Studienübersicht

Status

Rekrutierung

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Geschätzt)

270

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studieren Sie die Kontaktsicherung

Studienorte

  • Spanien
      • Valencia, Spanien
        • Rekrutierung
        • Hospital Universiatrio Doctor Peset
        • Kontakt:

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  • Patients aged 18 years or over.
  • Patients diagnosed with Major Depressive Disorder with a current depressive episode, based on the criteria of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) (American Psychiatric Association, 2013).
  • Score on the Hamilton Depression Rating Scale (HDRS-17) ≥16 (Hamilton et al., 1960).
  • Patients on a stable prescription of antidepressants/pharmacological medication and who agree to continue this throughout the study; and/or, if undergoing psychotherapy, who have maintained this treatment consistently for at least 6 weeks.
  • Demonstrate the ability to apply home-based tDCS appropriately, either independently or with the help of a carer.
  • Have access to an electronic device with a camera to enable monitoring of the intervention, as well as to contact the participant.
  • Have the ability and willingness to commit to the study team to complete all phases of the study.
  • Volunteer to participate and sign the specific informed consent form for this study.

Exclusion Criteria:

  • Patients with a current manic episode as determined by the Young Mania Rating Scale (YMRS), or a psychotic episode as defined by the MINI scale.
  • Patients who answer 'yes' to questions 4, 5 or 6 of the Columbia Suicide Severity Rating Scale (C-SSRS), a risk assessment and identification tool.
  • Patients with treatment-resistant depression, defined as an inadequate clinical response to two or more courses of antidepressant treatment at appropriate doses and duration.
  • Any previous hospitalisation for suicidal behaviour.
  • Presenting with current chronic or severe insomnia (< 4 hours' sleep per night) or sleep apnoea.
  • Presence of any structural lesion (e.g., any structural neurological condition or more subcortical lesions than would be expected for their age, or having suffered a stroke affecting the stimulated area or connected areas) or any other clinically significant abnormality that may affect safety, participation in the study, or confound the interpretation of study results, as determined by the investigator.
  • History or presence of any other condition or comorbidity associated with TDM: cardiac or neurological conditions, cognitive impairment.
  • History of or current diagnosis of any other mental disorder: obsessive-compulsive disorder, bipolar disorder (type 1 or 2), anxiety disorder, agoraphobia, eating disorders, personality disorders.
  • Any exclusion criteria other than those established by clinical guidelines on non-invasive brain stimulation (Woods et al., 2016):
  • Metal implants or head injuries, any electronic devices such as cochlear implants or cardiac pacemakers
  • Brain stimulation within the last 6 months.
  • Clinical or family history of epilepsy or seizure episodes.
  • Presence of dermatological problems (allergic skin reaction at the electrode site, psoriasis, etc.)
  • History of drug or alcohol abuse during the study or in the 3 months prior (with the exception of nicotine).
  • Pending trial or litigation during the course of the trial.
  • Pregnancy.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Doppelt

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: High-dose home-tDCS
Gerät: High-dose home-tDCS
Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation technique in which a weak direct current (2 mA) is applied to the scalp via electrodes. The anode will be applied to F3 (left dorsolateral prefrontal region) and the cathode to F8 (right supraorbital region). The application of tDCS will be carried out at home in this group. Each session will consist of 20 minutes of stimulation. Dose: 3 weeks, daily. (1) 1st week - 3 times per day; (2) 2nd Week - 2 times per day; (3) 3rd week - 1 time per day (total of 42 sessions).
Aktiver Komparator: Conventional home-tDCS
Gerät: Conventional home-tDCS
Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation technique in which a weak direct current (2 mA) is applied to the scalp via electrodes. The anode will be applied to F3 (left dorsolateral prefrontal region) and the cathode to F4 (left dorsolateral prefrontal region), described by Woodham et al., 2024. The application of tDCS will be carried out at home in this group. Each session will consist of 30 minutes of stimulation. Dose: (1) Week 1 to 3: 1ss/day for 5 days; (2) Week 4 to 10: 1ss/day for 3 days (total 36 sessions).

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
HDRS-17
Zeitfenster: Baseline and end of treatment (week 3 for experimental; week 10 for active comparator).
Changes from baseline to the end of the treatment in the 17-items Hamilton Depression Rating Scale (HDRS-17).
Baseline and end of treatment (week 3 for experimental; week 10 for active comparator).

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
MDRS
Zeitfenster: Baseline; end of treatment (3 week experimental; 10 week active comparator).
Changes from baseline to the end of treatment in the Montgomery-Åsberg Depression Rating Scale (MDRS).
Baseline; end of treatment (3 week experimental; 10 week active comparator).
C-SSRS
Zeitfenster: Baseline; end of treatment (3 week experimental; 10 week active comparator)
Changes from baseline to the end of treatment in the Columbia Suicide Severity Rating Scale (C-SSRS).
Baseline; end of treatment (3 week experimental; 10 week active comparator)
HAM-A
Zeitfenster: Baseline; end of treatment (3 week experimental; 10 week active comparator)
Changes from baseline to the end of treatment in the Hamilton Anxiety Rating Scale (HAM-A).
Baseline; end of treatment (3 week experimental; 10 week active comparator)
YMRS
Zeitfenster: Baseline; end of treatment (3 week experimental; 10 week active comparator)
Changes from baseline to the end of treatment in the Young Mania Rating Scale (YMRS).
Baseline; end of treatment (3 week experimental; 10 week active comparator)
RAVLT
Zeitfenster: Baseline; end of treatment (3 week experimental; 10 week active comparator)
Changes from baseline to the end of treatment in the Rey-Auditory Verbal Learning Test (RAVLT).
Baseline; end of treatment (3 week experimental; 10 week active comparator)
SDMT
Zeitfenster: Baseline; end of treatment (3 week experimental; 10 week active comparator).
Changes from baseline to the end of treatment in the Symbol Digit Modalities Test (SDMT).
Baseline; end of treatment (3 week experimental; 10 week active comparator).
Bristol stool scale
Zeitfenster: Baseline; end of treatment (3 week experimental; 10 week active comparator).
Changes from baseline to the end of treatment in the Bristol Stool Scale.
Baseline; end of treatment (3 week experimental; 10 week active comparator).
Mediterranean Diet Questionnaire
Zeitfenster: Baseline
Diet habits of the patients assessed with the Mediterranean diet questionnaire.
Baseline
Meal frequency
Zeitfenster: Baseline
Meal frequency intake of patients prior to the starting of the project.
Baseline
EQ-5D
Zeitfenster: Baseline; end of treatment (3 week experimental; 10 week active comparator).
Changes from baseline to the end of treatment in the EuroQoL-5D questionnaire (EQ-5D).
Baseline; end of treatment (3 week experimental; 10 week active comparator).
PGI-C
Zeitfenster: End of treatment (3 week experimental; 10 week active comparator)
Changes of impression at the end of treatment assess with the Patient Global Impression of Change (PGI-C).
End of treatment (3 week experimental; 10 week active comparator)
Resting state EEG
Zeitfenster: Baseline
32-channel active-electrode EEG (impedances <5 kΩ) recordings in open and close eye conditions.
Baseline
Stool samples
Zeitfenster: Baseline and end of treatment (week 3 for experimental; week 10 for active comparator).
Changes in stool sample biomarkers from baseline to end of treatment.
Baseline and end of treatment (week 3 for experimental; week 10 for active comparator).

Andere Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Patientenerwartungen
Zeitfenster: Ausgangswert
Likert-Skala von 1 bis 5 (wobei 1 keine Erwartung und 5 die höchstmögliche Erwartung ist), um den Einfluss der Erwartung auf die Wirkung der Behandlung zu untersuchen.
Ausgangswert
Incremental Cost Effectiveness Ratio
Zeitfenster: Through study completion, an average of 2 years.
Incremental Cost Effectiveness Ratio (ICER) will be derived from clinical effectiveness, utility and costs.
Through study completion, an average of 2 years.
Costs
Zeitfenster: Through study completion, an average of 2 years.
Direct and indirect medical and non-medical costs will be collected for the cost-effectiveness analysis.
Through study completion, an average of 2 years.
Utility
Zeitfenster: Through study completion, an average of 2 years.
Quality-adjusted life years (QALYs) will be calculated using the EQ-5D questionnaire for the cost-effectiveness analysis.
Through study completion, an average of 2 years.
MINI
Zeitfenster: Baseline
Score of items "Psychotic Disorder" in the MINI International. Neuropsychiatric Interview for selection criteria.
Baseline
Responders to tDCS
Zeitfenster: Through study completion, an average of 2 years.
A subject is considered a responder if: - Improvement of 50% or more in HDRS-17 or MADRS from baseline to immediate post-treatment.
Through study completion, an average of 2 years.
Adverse Effect
Zeitfenster: End-of-day application (Experimental: 7 days per week through 3 weeks; Active Comparator: From week 1 to 3, 5 days per week; From week 4 to 10, 3 days per week).
A daily questionnaire about adverse effects will be completed at the end of the last intervention of the day.
End-of-day application (Experimental: 7 days per week through 3 weeks; Active Comparator: From week 1 to 3, 5 days per week; From week 4 to 10, 3 days per week).
Successful blinding
Zeitfenster: Through study completion, an average of 2 years
A method 3 x 3 will be used to evaluate the success of the study's evaluator and statistician.
Through study completion, an average of 2 years

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Ionclinics & Deionic SL

Mitarbeiter

Hospital Universitario Doctor Peset
Universidad Europea de Valencia

Ermittler

  • Studienleiter: Ane Miren Gutiérrez Muto, PhD, Ionclinics & Deionics S.L.
  • Studienstuhl: Mar Hernández Secorún, PhD, Neuroscience in Physiotherapy independent research group; Ionclinics & Deionics S.L.
  • Studienstuhl: Gustavo Sarriá Córdoba, MSc, Neuroscience in Physiotherapy independent research group; Ionclinics & Deionics S.L.

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

14. Juni 2026

Primärer Abschluss (Geschätzt)

30. Juni 2028

Studienabschluss (Geschätzt)

31. Dezember 2028

Studienanmeldedaten

Zuerst eingereicht

7. Mai 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

20. Mai 2026

Zuerst gepostet (Tatsächlich)

28. Mai 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

7. Juli 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

3. Juli 2026

Zuletzt verifiziert

1. Juli 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • ION001_EEG_TDCS_TDM

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Beschreibung des IPD-Plans

In accordance with the recommendations of the International Committee of Medical Journal Editors, the de-identified individual participant data (IPD) that underlie the results reported in this study will be shared. The data will become accessible one year after the publication of the primary results and will remain available for five years. Access will be provided to researchers who inquire and agree to a data-use agreement through Ionclinics (investigacion@ionclinics.com/ensayos@ionclinics.com). The data will be de-identified and shared in accordance with applicable regulations and the informed consent provided by the participants.

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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