Status:

RECRUITING

Pilot Study of the Effect of Ibudilast on Neuroinflammation in Methamphetamine Users

Lead Sponsor:

VA Office of Research and Development

Collaborating Sponsors:

Portland VA Medical Center

Oregon Health and Science University

Conditions:

Methamphetamine-dependence

Eligibility:

All Genders

18-55 years

Phase:

PHASE2

Brief Summary

Addiction to methamphetamine is a serious health problem in the United States. Right now, there are no medications that a doctor can give someone to help them stop using methamphetamine. More research...

Detailed Description

Addiction to methamphetamine is a serious health problem in the United States. Right now, there are no medications that a doctor can give someone to help them stop using methamphetamine. More research...

Eligibility Criteria

Inclusion

  • abstinent from all drugs except marijuana and methamphetamine and have a negative urine drug screen on test days
  • Meet diagnosis for recent Methamphetamine-Use Disorder (DSM-V) or does not meet any substance-use disorders

Exclusion

  • Known sensitivity to ibudilast
  • Left handed
  • MRI contraindications
  • Clinically significant neurological, endocrine, renal, hepatic, or systemic diseases that would compromise safe participation or confound outcomes
  • Any psychiatric diagnoses or primary psychotic or mood disorders (past depression diagnoses allowed)
  • Any drug use disorder diagnosis besides methamphetamine or tobacco
  • Any recreational or prescriptive use of psychotropic medications
  • Claustrophobia
  • Women who are pregnant or breast-feeding
  • Neurodegenerative diseases that present with neuroinflammation
  • More than 4 weeks abstinent from methamphetamine
  • rs6971 genotype that confers low translocator protein (TSPO) binding affinity to prevent unnecessary radiation exposure
  • Liver disease requiring medication or medical treatment and/or aspartate or alanine aminotransferase levels greater than 3 times the upper limit
  • Participation in any drug study in the last 3 months

Key Trial Info

Start Date :

May 1 2019

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 30 2026

Estimated Enrollment :

120 Patients enrolled

Trial Details

Trial ID

NCT03341078

Start Date

May 1 2019

End Date

June 30 2026

Last Update

July 30 2025

Active Locations (1)

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1

VA Portland Health Care System, Portland, OR

Portland, Oregon, United States, 97207-2964