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Effects of Non-Invasive Vagus Nerve Stimulation in Adolescent Burn Patients

4 maggio 2026 aggiornato da: Sümeyye Akçay, Fenerbahce University

The Effects of Non-Invasive Vagus Nerve Stimulation on Anxiety, Sleep Quality, Pain, Itching, and Autonomic Functions in Burn Patients Aged 12-18

This study will evaluate the effects of non-invasive vagus nerve stimulation in adolescents aged 12 to 18 years who have burn injuries. The study will include patients who have completed the acute phase after burn injury and who have symptoms such as anxiety, sleep problems, pain, or itching.

Participants will be randomly assigned to one of two groups. One group will receive conventional physiotherapy together with non-invasive vagus nerve stimulation. The other group will receive only conventional physiotherapy. The treatment program will be applied 5 days per week for a total of 10 sessions.

The study will assess whether non-invasive vagus nerve stimulation improves anxiety, sleep quality, pain, itching, and autonomic nervous system function. These outcomes will be measured before and after the treatment program using clinical scales and heart rate variability measurements.

Panoramica dello studio

Stato

Iscrizione su invito

Condizioni

Intervento / Trattamento

Descrizione dettagliata

Burn injuries may cause long-term physical and psychological symptoms in pediatric and adolescent patients, including pain, itching, sleep problems, anxiety, and changes in autonomic nervous system activity. These symptoms may negatively affect recovery and rehabilitation outcomes.

Non-invasive vagus nerve stimulation is a transcutaneous neuromodulation method that stimulates the auricular branch of the vagus nerve through electrodes placed on the external ear. This stimulation may influence autonomic nervous system regulation and may have potential effects on pain, sleep, anxiety, itching, and physiological recovery.

This study is designed as a randomized interventional study. Adolescents aged 12 to 18 years with burn injuries will be randomly assigned to an intervention group or a control group. The intervention group will receive non-invasive vagus nerve stimulation in addition to conventional physiotherapy. The control group will receive conventional physiotherapy only.

The non-invasive vagus nerve stimulation will be applied through electrodes placed on the tragus and concha regions of both ears. Stimulation will be delivered with a biphasic asymmetrical waveform, a pulse duration of 300 microseconds, and a frequency of 25 Hz. Each stimulation session will last 20 minutes. The stimulation intensity will be gradually increased in 0.1 mA steps until the participant's sensory threshold is reached. If the participant feels unwell during the stimulation, the procedure will be stopped.

Both groups will receive individualized conventional physiotherapy programs based on their clinical needs. These programs may include strengthening exercises, stretching exercises, balance exercises, active and passive range-of-motion exercises, and interventions for edema management. Conventional physiotherapy sessions will last approximately 45 minutes and will be applied 5 days per week for a total of 10 sessions.

Outcome assessments will be performed before the start of treatment and after completion of the 10-session treatment program. Anxiety will be assessed using the Beck Anxiety Inventory. Sleep-related symptoms will be assessed using the Adolescent Insomnia Scale. Pain will be assessed using the Visual Analog Scale. Itching severity will be assessed using the 12-Item Pruritus Severity Scale. Autonomic nervous system function will be evaluated using heart rate variability measurements recorded with a Polar H10 heart rate sensor and analyzed with Kubios HRV software.

The aim of the study is to determine whether non-invasive vagus nerve stimulation, when added to conventional physiotherapy, improves anxiety, sleep quality, pain, itching, and autonomic function in adolescents with burn injuries.

Tipo di studio

Interventistico

Iscrizione (Stimato)

60

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

  • Turchia (Türkiye)
    • Kartal
      • Istanbul, Kartal, Turchia (Türkiye), 34865
        • Kartal Dr. Lütfi Kırdar City Hospital Burn Unit

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

  • Bambino
  • Adulto

Accetta volontari sani

No

Descrizione

Inclusion Criteria:

  • Being between 12 and 18 years of age
  • Having completed the acute phase after burn injury, with at least 1 month and at most 1 year since the burn injury
  • Having second- or third-degree burns involving 5% to 30% of total body surface area
  • Having at least one of the following complaints: anxiety, poor sleep quality, pain, or itching
  • Written informed consent provided by the parent or legal guardian, and willingness of the participant to take part in the study
  • Ability to read and understand Turkish

Exclusion Criteria:

  • Infection, ulcer, or scar tissue on the auricle
  • Burn injury in the head and neck region that prevents application of the device to the auricular vagus nerve area
  • Metallic implant in the skull, excessive sensitivity in the ear, ear injury, or ear inflammation
  • Chronic pulmonary and/or cardiac disease
  • Heart rate below 60 beats per minute
  • Presence of a pacemaker, cochlear implant, or similar implanted device
  • Uncontrolled hypertension
  • Lack of cooperation
  • Refusal or inability of the parent or legal guardian to sign the informed consent form

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: Separare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Non-Invasive Vagus Nerve Stimulation Plus Conventional Physiotherapy
Participants in this group will receive non-invasive vagus nerve stimulation in addition to conventional physiotherapy. The treatment will be applied 5 days per week for a total of 10 sessions.
Dispositivo: Non-Invasive Vagus Nerve Stimulation
Non-invasive vagus nerve stimulation will be applied using electrodes placed on the tragus and concha regions of both ears. Stimulation will be delivered with a biphasic asymmetrical waveform, a pulse duration of 300 microseconds, and a frequency of 25 Hz for 20 minutes. The stimulation intensity will be gradually increased in 0.1 mA steps until the participant's sensory threshold is reached. The intervention will be applied 5 days per week for a total of 10 sessions.
Altro: Conventional Physiotherapy
Participants will receive an individualized conventional physiotherapy program based on their clinical needs. The program may include strengthening exercises, stretching exercises, balance exercises, active and passive range-of-motion exercises, and interventions for edema management. Each session will last approximately 45 minutes and will be applied 5 days per week for a total of 10 sessions.
Comparatore attivo: Conventional Physiotherapy
Participants in this group will receive conventional physiotherapy only. The treatment will be applied 5 days per week for a total of 10 sessions.
Altro: Conventional Physiotherapy
Participants will receive an individualized conventional physiotherapy program based on their clinical needs. The program may include strengthening exercises, stretching exercises, balance exercises, active and passive range-of-motion exercises, and interventions for edema management. Each session will last approximately 45 minutes and will be applied 5 days per week for a total of 10 sessions.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in anxiety level
Lasso di tempo: Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Anxiety level will be assessed using the Beck Anxiety Inventory. The scale consists of 21 items scored from 0 to 3, with a total score ranging from 0 to 63. Higher scores indicate higher anxiety severity.
Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Change in sleep-related symptoms
Lasso di tempo: Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Sleep-related symptoms will be assessed using the Adolescent Insomnia Scale. The scale includes 13 items and evaluates sleep onset, sleep maintenance, and sleep dissatisfaction/disturbances. Total scores range from 0 to 52, with higher scores indicating more severe insomnia symptoms.
Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Change in pain intensity
Lasso di tempo: Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Pain intensity will be assessed using the Visual Analog Scale. Participants will mark their pain level on a 100-mm line, where higher scores indicate greater pain intensity.
Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Change in pruritus severity
Lasso di tempo: Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Pruritus severity will be assessed using the 12-Item Pruritus Severity Scale. The scale evaluates the severity, frequency, duration, distribution, and impact of itching on daily life and sleep. Higher scores indicate more severe pruritus.
Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Change in Root Mean Square of Successive Differences
Lasso di tempo: Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Autonomic nervous system function will be assessed using the root mean square of successive differences between normal RR intervals derived from heart rate variability analysis. RR interval data will be recorded with a Polar H10 heart rate sensor during a 5-minute resting measurement and analyzed using Kubios HRV software. The root mean square of successive differences will be reported in milliseconds.
Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Change in Standard Deviation of Normal-to-Normal Intervals
Lasso di tempo: Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Autonomic nervous system function will be assessed using the standard deviation of normal-to-normal intervals derived from heart rate variability analysis. RR interval data will be recorded with a Polar H10 heart rate sensor during a 5-minute resting measurement and analyzed using Kubios HRV software. The standard deviation of normal-to-normal intervals will be reported in milliseconds.
Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Change in Low-Frequency/High-Frequency Ratio
Lasso di tempo: Baseline and after completion of the 10-session treatment program, approximately 2 weeks
Autonomic nervous system function will be assessed using the low-frequency/high-frequency ratio derived from heart rate variability analysis. RR interval data will be recorded with a Polar H10 heart rate sensor during a 5-minute resting measurement and analyzed using Kubios HRV software. The low-frequency/high-frequency ratio will be reported as a ratio.
Baseline and after completion of the 10-session treatment program, approximately 2 weeks

Collaboratori e investigatori

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

Sponsor

Fenerbahce University

Investigatori

  • Investigatore principale: Sümeyye Akçay, Asst. Prof., Fenerbahçe University

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 maggio 2026

Completamento primario (Stimato)

1 settembre 2026

Completamento dello studio (Stimato)

1 settembre 2026

Date di iscrizione allo studio

Primo inviato

28 aprile 2026

Primo inviato che soddisfa i criteri di controllo qualità

28 aprile 2026

Primo Inserito (Effettivo)

5 maggio 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

7 maggio 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

4 maggio 2026

Ultimo verificato

1 maggio 2026

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • KartalYanık

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Descrizione del piano IPD

Individual participant data will not be shared due to the involvement of pediatric participants and the sensitive nature of clinical and health-related data. Study results may be reported in aggregate form in scientific presentations or publications, without identifying individual participants.

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 .

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