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Table 2 Inclusion criteria and rationale

From: Repetitive transcranial magnetic stimulation for stimulant use disorders (STIMULUS): protocol for a multi-site, double-blind, randomized controlled trial

Criterion

Rationale

Assessment

Administered By

Age 18–65, inclusive.

Defines study population.

Demographics

RA/RC

Current diagnosis of moderate or severe Cocaine or Methamphetamine Use Disorder (CcUD/MtUD).

Allows for detection of rTMS versus sham effects that may not be apparent with mild CcUD or MtUD.

DSM-5 Checklist– Substance Related Disorders

RA/RC

Have used cocaine or methamphetamine on at least 10 of the last 30 days.

Emphasizes having a current CcUD or MtUD.

TLFB

RA/RC

Be willing to decrease cocaine and/or methamphetamine use, but not engaged in formal SUD treatment.

Individuals should have some motivation to attend rTMS sessions (i.e., desire to cut back or quit); however, engagement in formal treatment could confound any study treatment effects.

Treatment Status Form

RA/RC

Be able to speak English sufficiently.

To comply with ethical standards, and to understand the study procedures, risks, and benefits and provide written informed consent to participate in the study.

Consent Document and Consent Comprehension Tool

RA/RC

If prescribed benzodiazepines or anticonvulsants, must be on a stable dose for at least 4 weeks prior to consent.

These medications can affect seizure threshold and interfere with the efficacy of rTMS.

Prior and Concomitant Medications; Medical and Psychiatric History

RA/RC/MC; MC

  1. Abbreviations used: CcUD: cocaine use disorder; MtUD: methamphetamine use disorder; SUD: substance use disorder; rTMS: repetitive transcranial magnetic stimulation; DSM-5: Diagnostic and Statistical Manual of Mental Disorders, 5th Edition; TLFB: Timeline Follow-Back; RA: Research Assistant; MC: Medical Clinician.
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Addiction Science & Clinical Practice

ISSN: 1940-0640