Evidence map›Paper›PMID 28806104›Full record

Trial reportThe American journal of drug and alcohol abuse2018

Repetitive transcranial magnetic stimulation (rTMS) administration to heavy cannabis users.

Gregory L Sahlem, Nathaniel L Baker, Mark S George, Robert J Malcolm, Aimee L McRae-Clark

Open access · greenAbstract readRandomized Controlled Trial
In one paragraph

Trial report in The American journal of drug and alcohol abuse, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
1.9field-weighted citation impact, top 14% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

21 citing papers in PubMed, 1 synthesis or guideline pooled it, 41 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. Trial
  5. Article
  6. Review
  7. Article
  8. Article
  9. Review
  10. Substance Use and Addiction in Athletes: The Case for Neuromodulation and Beyond.International journal of environmental research and public health · 2022
    Review
  11. Article
  12. Article
  13. Article
  14. Review
  15. Review
  16. Article
  17. Review
  18. Review
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Gregory L Sahlema Department of Psychiatry , Medical University of South Carolina , Charleston , SC , USA.
Nathaniel L Bakerb Department of Public Health Sciences , Medical University of South Carolina , Charleston , SC , USA.
Mark S Georgea Department of Psychiatry , Medical University of South Carolina , Charleston , SC , USA.
Robert J Malcolma Department of Psychiatry , Medical University of South Carolina , Charleston , SC , USA.
Aimee L McRae-Clarka Department of Psychiatry , Medical University of South Carolina , Charleston , SC , USA.
Medical University of South Carolina · USRalph H. Johnson VA Medical Center · US

Funding

Clinical Scientists Training Program in Addictions at MUSCK12DA031794 · NIDA · MEDICAL UNIVERSITY OF SOUTH CAROLINA · PI Kevin M. Gray, AIMEE L MCRAE-CLARK · 2013 to 2026
$7.2M
Drug Abuse Research Training (DART) ProgramR25DA020537 · NIDA · MEDICAL UNIVERSITY OF SOUTH CAROLINA · PI KATHLEEN T. BRADY, Sudie E Back · 2006 to 2026
$6.3M
MID-CAREER AWARD IN PATIENT-ORIENTED DRUG ABUSE RESEARCHK24DA038240 · NIDA · MEDICAL UNIVERSITY OF SOUTH CAROLINA · PI MCRAE-CLARK, AIMEE L · 2014 to 2023
$1.9M
A Preliminary Investigation of Pre-Frontal repetitive Transcranial Magnetic Stimulation (rTMS) for the Treatment of Cannabis Use DisorderK23DA043628 · NIDA · STANFORD UNIVERSITY · PI SAHLEM, GREGORY · 2017 to 2022
$933k
NIDA NIH HHS K12 DA031794NIDA NIH HHS K23 DA043628NIDA NIH HHS K24 DA038240NIDA NIH HHS R25 DA020537
6 · The paper itself

Abstract

backgroundCannabis use disorder (CUD) is a common condition with few treatments. Several studies in other substance use disorders have found that applying repetitive transcranial magnetic stimulation (rTMS) to the dorsolateral prefrontal cortex (DLPFC) decreases cue-elicited craving and possibly decreases use. To date, there have been no studies attempting to use rTMS in CUD.

objectivesThis study was conducted to determine if rTMS could be feasibly delivered to a group of non-treatment seeking CUD participants. Secondarily, the study aimed to estimate the effect of rTMS on craving.

methodsIn a double-blind, sham-controlled, crossover design, a single session of active or sham rTMS (Left DLPFC, 10 Hz, 110% rMT, 4000 pulses) was delivered during a validated cannabis cue paradigm. Participants crossed over to complete the other condition one week later. The feasibility and tolerability were measured by the rate of retention, and the percentage of participants able to tolerate full dose rTMS, respectively. Craving was measured using the Marijuana Craving Questionnaire (MCQ).

resultsEighteen non-treatment seeking CUD participants were recruited from the community; 16 (three women) completed the trial (89% retained for the three study visits). All of the treatment completers tolerated rTMS at full dose without adverse effects. There was not a significant reduction in the total MCQ when participants received active rTMS as compared to sham rTMS.

conclusionrTMS can be safely and feasibly delivered to CUD participants, and treatment is well tolerated. A single session of rTMS applied to the DLPFC may not reduce cue-elicited craving in heavy cannabis users.

Indexed as

Transcranial Magnetic StimulationAdultCravingCross-Over StudiesDouble-Blind MethodFemaleHumansMaleMarijuana AbusePrefrontal CortexTreatment OutcomeYoung AdultCannabiscravingmarijuanaTMStranscranial magnetic stimulation

Identifiers

PMID28806104
PMCPMC5962012
OpenAlexW2749400609

What Socratic holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.