Trial protocol of an open label pilot study of lisdexamfetamine for the treatment of acute methamphetamine withdrawal.
Alcoholism
/ drug therapy
Amphetamine-Related Disorders
/ drug therapy
Attention Deficit Disorder with Hyperactivity
/ drug therapy
Central Nervous System Stimulants
/ adverse effects
Double-Blind Method
Humans
Lisdexamfetamine Dimesylate
/ adverse effects
Methamphetamine
/ adverse effects
Pilot Projects
Substance Withdrawal Syndrome
/ drug therapy
Treatment Outcome
Journal
PloS one
ISSN: 1932-6203
Titre abrégé: PLoS One
Pays: United States
ID NLM: 101285081
Informations de publication
Date de publication:
2022
2022
Historique:
received:
14
01
2022
accepted:
13
09
2022
entrez:
3
10
2022
pubmed:
4
10
2022
medline:
6
10
2022
Statut:
epublish
Résumé
Methamphetamine (MA) use disorder is an important public health concern. MA withdrawal is often the first step in ceasing or reducing use. There are no evidence-based withdrawal treatments, and no medication is approved for the treatment of MA withdrawal. Lisdexamfetamine (LDX) dimesilate, used in the treatment of attention deficit hyperactivity disorder and binge eating disorder has the potential as an agonist therapy to ameliorate withdrawal symptoms, and improve outcomes for patients. A single arm, open-label pilot study to test the safety and feasibility of LDX for the treatment of MA withdrawal. Participants will be inpatients in a drug and alcohol withdrawal unit, and will receive a tapering dose of LDX over five days: 250mg LDX on Day 1, reducing by 50mg per day to 50mg on Day 5. Optional inpatient Days 6 and 7 will allow for participants to transition to ongoing treatment. Participants will be followed-up on Days 14, 21 and 28. All participants will also receive standard inpatient withdrawal care. The primary outcomes are safety (measured by adverse events, changes in vital signs, changes in suicidality and psychosis) and feasibility (the time taken to enrol the sample, proportion of screen / pre-screen failures). Secondary outcomes are acceptability (treatment satisfaction questionnaire, medication adherence, concomitant medications, qualitative interviews), retention to protocol (proportion retained to primary and secondary endpoints), changes in withdrawal symptoms (Amphetamine Withdrawal Questionnaire) and craving for MA (visual analogue scale), and sleep outcomes (continuous actigraphy and daily sleep diary). This is the first study to assess lisdexamfetamine for the treatment of acute MA withdrawal. If safe and feasible results will go to informing the development of multi-centre randomised controlled trials to determine the efficacy of the intervention.
Identifiants
pubmed: 36190973
doi: 10.1371/journal.pone.0275371
pii: PONE-D-22-01262
pmc: PMC9529099
doi:
Substances chimiques
Central Nervous System Stimulants
0
Methamphetamine
44RAL3456C
Lisdexamfetamine Dimesylate
SJT761GEGS
Types de publication
Clinical Trial Protocol
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e0275371Déclaration de conflit d'intérêts
I have read the journal’s policy and the authors of this manuscript have the following competing interests: Michael Farrell as Director of NDARC has received unrestricted funding for research purposes from Indivior and Sequiiris. Steve Shoptaw has received clinical research supplies from Alkermes. This does not alter our adherence to PLOS ONE policies on sharing data and materials.
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