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Effekter af vagusnerve-stimulation på temporomandibulære lidelser.

4. november 2026 opdateret af: Arpana Church

Pilotundersøgelse af effekterne af transkutan ikke-invasiv vagusnervestimulering (nVNS) på symptomer og hjernemekanismer hos præmenopausale kvinder med temporomandibulære lidelser (TMD)

The study aims to examine the effects of transcutaneous non-invasive vagus nerve stimulation (nVNS) on symptoms and brain mechanisms in premenopausal women with temporomandibular disorders (TMD). Non-invasive vagus nerve stimulation (nVNS) is the most well researched and possibly the most effective non-invasive neuromodulation treatment for chronic pain conditions that targets the brain-gut-microbiome (BGM) axis.

Participants will be asked to come in for 2 in-clinic visits, at baseline and post treatment. Participants will also be asked to come in 2x/week for 8 consecutive weeks to receive the nVNS treatment. The in-clinic visits will include physical measures, blood draw, saliva sample, and brain MRI. Participants will be asked to collect a stool sample at home and answer online questionnaires regarding, mood, pain, and health behaviors at home, prior to the in-clinic appointments.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

10

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

    • California
      • Los Angeles, California, Forenede Stater, 90095
        • Rekruttering
        • University of California, Los Angeles

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 50 år (Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Kvinde

Beskrivelse

Inclusion Criteria:

  • Ages 18-50

  • Premenopausal menstruating women*

  • Participants report or present with at least 1 of 3 cardinal signs of TMD: jaw pain, limited mouth opening, or TMJ noise.

  • Specific screening reveals clinical findings that include TMJ and/or masticatory and cervical muscle pain.

  • Must have a negative urine test for pregnancy

  • Ability to speak the English language fluently due to the standardized assessments involved

  • Right-handed (participants are limited to right-handed individuals to reduce variability in brain lateralization and ensure more consistent, interpretable data).

    • Only premenopausal women are included to control for hormonal variability that may influence the results. Participants will be scheduled during their follicular phase based on self-reported last menstrual period to further reduce hormonal confounds.

Exclusion Criteria:

  • Medical condition, laboratory finding, or physical exam finding that precludes participation, such as systemic arthritides, juvenile idiopathic arthritis, idiopathic condylar resorption, connective tissue disorders, mandibular osteonecrosis, mandibular and condylar fractures, salivary gland disorders (incl. history of stones or swelling), neoplasms, neurologic/neuropathic, endocrine, or immune/autoimmune diseases and congenital or developmental disorders.
  • Pathologic processes found on imaging including neoplasm (Exception: disc displacements and osseous pathology including osteoarthritis/osteoarthrosis).
  • Radiation treatment to head and neck
  • Prior jaw or open TMJ (including contralateral joint) surgery including plication, chondroplasty, joint replacement, disectomy, and discoplasty.
  • Intra-articular therapies of TMJ being sampled that include arthrocentesis, visco-supplementation, and steroid, platelet-rich plasma/platelet-rich fibrin administration within the last 6mo
  • Recent febrile illness within the past 8 weeks that precludes or delays participation by more than 90 days
  • Trauma to jaw in the last 2mo
  • Presence of non-TMD orofacial pain disorders excluding comorbidity of interest (fibromyalgia).
  • Pregnancy or lactation
  • Undergoing or previously undergone bone anabolic or other hormonal therapies for medical needs
  • Unable to participate due to language barrier or mental/intellectual incompetence
  • Use of antidepressant drugs unless the participants have been on a stable dose for 60 days.
  • Drug and/or alcohol abuse in the past year
  • Ongoing dental treatments requiring invasive procedures (e.g. implant placement, tooth extractions, etc.)
  • Recent dental treatments within past two weeks that required sustained mouth opening for more than 20 minutes.
  • Wearing removable or implant supported dentures or fixed orthodontic appliances
  • Unable or unwilling to give informed consent
  • Participation in another clinical study that interferes with participation in this study
  • Anything that would place the individual at increased risk or preclude the individual's full compliance with or completion of the study.
  • Presence of non-TMD orofacial pain disorders such as that from periodontal disease and carious lesions.
  • Presence of major psychiatric diagnosis such as schizophrenia, bipolar disorder, post-traumatic stress disorder, obsessive compulsive disorder, or current history of drug or alcohol abuse.
  • Individuals with current regular use of narcotics and/or opioids. Use of centrally acting medications that will interfere with neuroimaging testing, such as systemic steroids, opiate analgesics.
  • Smokes/Vapes tobacco more than 1/3 pack per day

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Active nVNS Treatment

nVNS Treatment 2x/week for 8 weeks

nVNS treatment 2x/week for 8 consecutive weeks.

Andre navne:
  • vagus nervestimulation
  • ikke-invasiv vagusnerve-stimulation

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Pain Intensity
Tidsramme: From the baseline in-clinic visit through 8 weeks of biweekly visits, assessed immediately before and after each nVNS session.

To be measured using a numeric rating scale 0-10.

From the baseline in-clinic visit through 8 weeks of biweekly visits, assessed immediately before and after each nVNS session.
Pain Unpleasantness
Tidsramme: From the baseline in-clinic visit through 8 weeks of biweekly visits, assessed immediately before and after each nVNS session.

To be measured using a visual analog scale.

From the baseline in-clinic visit through 8 weeks of biweekly visits, assessed immediately before and after each nVNS session.
Positive and Negative Affect
Tidsramme: From the baseline in-clinic visit through 8 weeks of biweekly visits, assessed immediately before and after each nVNS session.

To be measured using the positive and negative affect scale (PANAS).

From the baseline in-clinic visit through 8 weeks of biweekly visits, assessed immediately before and after each nVNS session.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Efterforskere

  • Ledende efterforsker: Arpana Church, Ph.D., The Regents of the University of California, Los Angeles
  • Ledende efterforsker: Sunil Kapila, B.D.S., M.S., Ph.D., The Regents of the University of California, Los Angeles

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. december 2026

Primær færdiggørelse (Anslået)

31. december 2027

Studieafslutning (Anslået)

31. december 2027

Datoer for studieregistrering

Først indsendt

5. december 2025

Først indsendt, der opfyldte QC-kriterier

15. december 2025

Først opslået (Faktiske)

17. december 2025

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

6. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

4. november 2026

Sidst verificeret

1. november 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • IRB 25-0801

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ja

produkt fremstillet i og eksporteret fra U.S.A.

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .