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Test af en accelereret TMS-protokol for metamfetaminbrugsforstyrrelser

4. november 2026 opdateret af: University of Colorado, Denver

The investigators will evaluate the effects of an accelerated Transcranial Magnetic Stimulation (TMS) protocol of the left dorsolateral prefrontal cortex (DLPFC) for moderate to severe methamphetamine use disorder. This is a randomized parallel group design to assess feasibility and safety, evaluate efficacy (use, craving) and identify magnetic resonance imaging (resting state and cue craving) associated with group/outcomes.

Studieoversigt

Status

Aktiv, ikke rekrutterende

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

In a randomized double-blind parallel-group sham-controlled design (n=20) administer a 5-day accelerated iTBS protocol (40 treatments) to the left dorsolateral prefrontal cortex during a short inpatient stay. Magnetic resonance imaging will be completed pre-post TMS and participants will be followed for 12 weeks.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

20

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiesteder

    • Colorado
      • Aurora, Colorado, Forenede Stater, 80045
        • University of Colorado Anschutz Medical Campus

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

21 år til 65 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. Age 21-65 years inclusive;
  2. Meets DSM-5 criteria for past-year moderate or severe methamphetamine use disorder;
  3. By Timeline Follow Back endorses at least 10 days of methamphetamine use out of the last month;
  4. Provides a urine drug screen positive for methamphetamine;
  5. Able to provide informed consent;
  6. No change in current psychiatric medication regimen, or medication free, for at least 4 weeks prior to study entry;
  7. Adequate English proficiency for study consent, and completion of the study instruments.

Exclusion Criteria:

  1. Lifetime non-substance-induced psychotic disorders, schizophrenia, schizoaffective disorder or bipolar disorder defined by DSM-5;
  2. Current diagnosis of DSM-5 drug use disorder other than stimulant, cannabis or nicotine use disorder;
  3. Non-substance-induced manic episode within the past 3 years or major depressive episode in the past year;
  4. Current clinically significant neurological disorder or medical illness, including history of seizures, cardiovascular disease/cardiac event, which in the opinion of the study physician would make study participation unsafe;
  5. Presence of a clinically significant abnormality on baseline MRI;
  6. Inability to have an MRI;
  7. Currently breastfeeding, is currently pregnant or lack of use of effective contraception in women of childbearing age, as assessed by urine pregnancy test and self-report (participants will consent to continue effective contraceptives during the study);
  8. Active criminal justice involvement (i.e., any unresolved legal problems that could jeopardize continuation or completion of the study);
  9. History of head injury with loss of consciousness for more than 15 minutes;
  10. Diagnosis of dementia;
  11. Prescribed benzodiazepines or anticonvulsants;
  12. Currently enrolled in formal substance use disorder treatment;
  13. Metal implants or non-removable metal objects above the waist;
  14. Lifetime history of prior clinical treatment with TMS;
  15. Serious risk of suicide or homicide;
  16. Unable/unwilling to follow the study procedures;
  17. History of intractable migraine;
  18. Assessed to be at risk for alcohol or opioid withdrawal.

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: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Tredobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Placebo komparator: Sham TMS

Participants have baseline assessments/evaluation, are admitted to the inpatient research unit, randomized via permuted block design to 5 days of sham TMS, and then have weekly study visits for the next 12 weeks.

The TMS Cool-B65 A/P coil on its placebo side delivers electrical stimulation to the scalp (e.g., mimicking sensations associated with real stimulation) but does not provide magnetic stimulation to the targeted cortical structure.

Eksperimentel: Active TMS

Participants have baseline assessments/evaluation, are admitted to the inpatient research unit, randomized via permuted block design to 5 days of active TMS, and then have weekly study visits for the next 12 weeks.

The TMS Cool-B65 A/P coil delivers magnetic stimulation to targeted cortical structure.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Tolerability
Tidsramme: 5 days

Proportion completing at least 20 TMS session - sham vs. active

5 days
Study emergent adverse events
Tidsramme: 12 weeks

Incidence of study emergent adverse events - sham vs. active

12 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Weeks of continuous abstinence
Tidsramme: 12 weeks

Number of weeks of continuous methamphetamine abstinence - sham vs. active as measured weekly by urine drug screen.

12 weeks
Days of methamphetamine use
Tidsramme: 12 weeks

Number of days of methamphetamine use - sham vs. active as measured weekly by timeline followback interview.

12 weeks
Time to first methamphetamine use
Tidsramme: 12 weeks

Time from end of TMS treatment to first methamphetamine use by timeline follow back or urine drug screen

12 weeks
Methamphetamine craving
Tidsramme: 12 weeks

Craving as measured on the Stimulant Craving Questionnaire-Brief - sham vs. active. Each item is scored 0-6 (from Strongly Disagree=0 to Strongly Agree=6) with items #4 and #7 reverse scored. The investigators will average all 10 items as the total score, with higher scores indicating greater levels of craving.

12 weeks
Methamphetamine craving on visual analog scale
Tidsramme: 12 weeks

Craving as measured on visual analog scale - sham vs. active. Scored 0 to 100 with 0=no craving and 100=the most craving.

12 weeks
MRI cue craving
Tidsramme: Pre- and Post- TMS stimulation in week 1

Cue craving data will be collected pre- and post-TMS stimulation in week 1

Pre- and Post- TMS stimulation in week 1
MRI resting state
Tidsramme: Pre- and Post- TMS stimulation in week 1

Resting state data will be collected pre- and post-TMS stimulation in week 1

Pre- and Post- TMS stimulation in week 1

Samarbejdspartnere og efterforskere

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

Sponsor

Samarbejdspartnere

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 (Faktiske)

3. september 2024

Primær færdiggørelse (Anslået)

1. maj 2027

Studieafslutning (Anslået)

1. maj 2027

Datoer for studieregistrering

Først indsendt

13. marts 2024

Først indsendt, der opfyldte QC-kriterier

13. marts 2024

Først opslået (Faktiske)

20. marts 2024

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

  • 23-1044
  • K24DA058882 (U.S. NIH-bevilling/kontrakt)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

No plan to share IPD.

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 .