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

15 settembre 2026 aggiornato da: 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.

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Tipo di studio

Interventistico

Iscrizione (Stimato)

60

Fase

  • Non applicabile

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Adulto

Accetta volontari sani

No

Descrizione

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

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Quadruplicare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Comparatore attivo: 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.
Comparatore fittizio: 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.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Gambling Symptom Assessment Scale (G-SAS)
Lasso di tempo: 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

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Gambling Urges Scale (GUS)
Lasso di tempo: 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)
Lasso di tempo: 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
Lasso di tempo: six weeks
the number of participants who discontinued treatment
six weeks
Yale-Brown Obsessive Compulsive Scale adapted for GD (PG-YBOCS)
Lasso di tempo: 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)
Lasso di tempo: 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)
Lasso di tempo: 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
Lasso di tempo: six weeks
gambling abstinence, assessed daily throughout the intervention period
six weeks
Beck Depression Inventory-II (BDI-II)
Lasso di tempo: 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)
Lasso di tempo: 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)
Lasso di tempo: 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

Altre misure di risultato

Misura del risultato
Misura Descrizione
Lasso di tempo
Incidence of Treatment-Emergent Adverse Events (Safety and Tolerability)
Lasso di tempo: 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
Lasso di tempo: six weeks
The proportion of patients whose intervention was discontinued due to adverse events
six weeks

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

1 ottobre 2026

Completamento primario (Stimato)

1 aprile 2027

Completamento dello studio (Stimato)

1 dicembre 2027

Date di iscrizione allo studio

Primo inviato

7 settembre 2026

Primo inviato che soddisfa i criteri di controllo qualità

15 settembre 2026

Primo Inserito (Effettivo)

18 settembre 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

18 settembre 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

15 settembre 2026

Ultimo verificato

1 settembre 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • IP-2025-02

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .