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COMpulsive Gambling: Efficacy of DEEP Transcranial Magnetic Stimulation With H7 COIL (COMET-7)

15. September 2026 aktualisiert von: Sveti Ivan Psychiatric Hospital

This study aims to investigate whether a treatment called high-frequency repetitive transcranial magnetic stimulation (rTMS) can help reduce the symptoms of gambling disorder and whether it is safe and well tolerated.

The study will include 60 men aged 18-64 years who have been diagnosed with gambling disorder and are starting treatment at the Gambling Disorder Day Hospital of UPC Sveti Ivan in Zagreb.

Participants will be randomly assigned to one of two groups. One group will receive active rTMS treatment using the H7 coil, while the other group will receive a sham (placebo) treatment that looks and feels similar but does not provide the active magnetic stimulation. Neither the participants nor the researchers assessing the results will know which treatment each participant received during the study. All participants will continue to receive their usual treatment.

The study will last six weeks. Participants will complete questionnaires before treatment and six weeks after the intervention. The main goal is to determine whether rTMS reduces the severity of gambling-related symptoms.

The researchers will also examine whether personal, psychological, and clinical characteristics can help predict who is most likely to benefit from rTMS. In addition, the study will investigate whether rTMS affects autonomic nervous system regulation, measured through heart rate variability (HRV), and will assess the economic impact of this treatment.

Overall, the study is intended to provide better information about the effectiveness, safety, possible predictors of treatment response, effects on the body's regulation, and cost-effectiveness of rTMS for gambling disorder.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Geschätzt)

60

Phase

  • Unzutreffend

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

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  • confirmed GD diagnosis according to ICD-10 (F63.0)
  • age between 18 and 64 years
  • male gender
  • enrolled in GD treatment at the GD-DH of the UPC Sveti Ivan within two weeks of study inclusion.
  • right-hand dominance

Exclusion Criteria:

  • diagnosis of a schizophrenia spectrum disorder (ICD-10, F20-F29)
  • diagnosed psychotic episode within six months prior to inclusion
  • current suicidality
  • clinically relevant neurological disorder or history of cerebrovascular insult
  • diagnosis of a mental and behavioral disorder due to the use of psychoactive substances (ICD-10, F10-F19) (except nicotine dependence)
  • diagnosed moderate or severe dementia
  • presence of intracranial implants
  • inability to independently complete questionnaires
  • refusal to participate due to discomfort during DLPFC localization

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: Vervierfachen

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Aktiver Komparator: 30 patients who will receive active r-TMS treatment
The intervention will involve rTMS treatment using the H7 coil (Brainsway Ltd., Jerusalem, Israel) with the following parameters: Magnetic field intensity: 100% of the observed motor threshold, frequency: 20 Hz, stimulation duration: 2 seconds, pause between stimulations: 20 seconds, number of stimulations: 50, number of magnetic pulses per session: 2,000, session duration: ≈18 minutes, total intervention duration: one session per day, five days per week, for five weeks, followed by one session per day for four days in the sixth week, total number of pulses: 58,000.
Schein-Komparator: 30 patients who will receive sham r-TMS treatment
The control group will receive sham rTMS using an H7 coil (Brainsway Ltd., Jerusalem, Israel), administered identically to active rTMS treatment. The sham coil is positioned above the active coil within the device, ensuring that its shape, pulsing sound, and subjective sensation of stimulation are indistinguishable from the active rTMS coil, but without generating electromagnetic induction.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Gambling Symptom Assessment Scale (G-SAS)
Zeitfenster: six weeks
The primary outcome will be the change in the severity of gambling disorder (GD), measured using the Gambling Symptom Assessment Scale (G-SAS), the most commonly used scale for assessing changes in GD symptom severity in research studies. Each item on the G-SAS is rated on a 5-point scale, ranging from 0 (no symptoms) to 4 (extreme symptoms). The total score can range from 0 to 48. Higher scores indicate greater severity of gambling-related symptoms.
six weeks

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Gambling Urges Scale (GUS)
Zeitfenster: six weeks
The Gambling Urge Scale (GUS) is a 6-item questionnaire designed to measure an individual's current urge or craving to gamble, on a 7-point scale. Responses are summed for a total score; higher scores reflect stronger immediate cravings or urges to gamble.
six weeks
Visual Analog Scale (VAS)
Zeitfenster: six weeks
The Visual Analog Scale (VAS) is a continuous measurement instrument used to quantify subjective internal experiences of pain. It consists of a line with word descriptors placed at opposite extremes ("No pain" at 0 mm and "Worst pain imaginable" at 100 mm).
six weeks
drop-outs
Zeitfenster: six weeks
the number of participants who discontinued treatment
six weeks
Yale-Brown Obsessive Compulsive Scale adapted for GD (PG-YBOCS)
Zeitfenster: six weeks
Reduction in the severity of obsessive-compulsive symptoms related to GD, measured using the Yale-Brown Obsessive Compulsive Scale adapted for GD (PG-YBOCS). The scale evaluates the intensity, frequency, and impact of gambling urges, thoughts, and behaviors. It features 10 items scored from 0 to 4, yielding a total score from 0 to 40.
six weeks
South Oaks Gambling Screen (SOGS)
Zeitfenster: six weeks
Reduction in GD severity, assessed through changes in total scores on the South Oaks Gambling Screen (SOGS), the most widely used instrument for evaluating GD severity. It is a 20-item questionnaire used to screen for problem gambling and pathological gambling behaviors. It contains multiple informational questions, and each "at-risk" answer earns 1 point.
six weeks
Problem Gambling Severity Index (PGSI)
Zeitfenster: six weeks
Problem Gambling Severity Index (PGSI) is a widely recognized, standardized 9-item self-report questionnaire used to assess the severity of gambling behaviors and their negative consequences. Each question is scored on a 4-point scale (0 = Never; 1 = Sometimes; 2 = Often; 3 = Almost always / Always), yielding a total score from 0 to 27.
six weeks
gambling abstinence
Zeitfenster: six weeks
gambling abstinence, assessed daily throughout the intervention period
six weeks
Beck Depression Inventory-II (BDI-II)
Zeitfenster: six weeks
Reduction in depressive symptoms, measured using the Beck Depression Inventory-II (BDI-II). It is a widely used 21-item self-report questionnaire designed to measure the severity of depressive symptoms. Each item is scored on a 4-point Likert scale ranging from 0 to 3, where higher numbers reflect greater symptom intensity.
six weeks
Beck Anxiety Inventory (BAI)
Zeitfenster: six weeks
Reduction in anxiety symptoms, assessed using the Beck Anxiety Inventory (BAI). It is a 21-item self-report questionnaire used to measure the severity of an adult or adolescent's anxiety symptoms over the past week. It contains questions rated on a 4-point scale from 0 to 3, and greater scores means greater anxiety.
six weeks
Quality of Life Inventory (QOLI)
Zeitfenster: six weeks
Improvement in quality of life, measured using the Quality of Life Inventory (QOLI), the most frequently used tool for assessing quality-of-life. It measures an individual's happiness and life satisfaction across 16 key areas. It consists of 32 items measuring both the importance of each domain (on a 3-point scale) and current satisfaction with it (on a 6-point scale).
six weeks

Andere Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Incidence of Treatment-Emergent Adverse Events (Safety and Tolerability)
Zeitfenster: six weeks
The incidence of adverse events, including headache, neck pain, scalp discomfort, tingling, burning sensations, skin redness, drowsiness, sleep disturbances, back pain, difficulty concentrating, acute mood changes, hearing impairment, facial muscle spasms or twitches, dizziness, nausea, lightheadedness, or any other adverse event (self-reported and recorded by clinicians)
six weeks
Discontinuation of the treatment due to adverse events
Zeitfenster: six weeks
The proportion of patients whose intervention was discontinued due to adverse events
six weeks

Mitarbeiter und Ermittler

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

Sponsor

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 (Geschätzt)

1. Oktober 2026

Primärer Abschluss (Geschätzt)

1. April 2027

Studienabschluss (Geschätzt)

1. Dezember 2027

Studienanmeldedaten

Zuerst eingereicht

7. September 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

15. September 2026

Zuerst gepostet (Tatsächlich)

18. September 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

18. September 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

15. September 2026

Zuletzt verifiziert

1. September 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Andere Studien-ID-Nummern

  • IP-2025-02

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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