Clin2
NCT05064319Possibly a fitCompleted

Gabapentin for bipolar symptoms with heavy cannabis use

Bipolar DisorderCannabis UseSchizoaffective Disorder, Bipolar TypeBipolar I DisorderBipolar II DisorderCannabis Use Disorder, MildCannabis Use Disorder, ModerateCannabis Use Disorder, Severe

Treatments studied

Part of Blood & lymphatic, Cancer, Immune system & allergy, Mental health clinical trials.

This Phase 2 study tests whether gabapentin can help balance brain chemicals (GABA and glutamate) in people with bipolar disorder and cannabis use disorder. If you meet criteria, you may be able to try gabapentin while closely monitoring mood, safety, and cannabis use.

Summary written for real people, not researchers, by Clin2.

Phase
Phase 2
Enrollment
51 people
Ages
18 years to 65 years
Study type
Interventional

Who can take part

  • Be 18 to 65 years old
  • Have moderate to severe cannabis use disorder in the past 3 months and cannabis is your main substance (positive urine test)
  • Have bipolar I or bipolar II (or bipolar-type schizoaffective) diagnosed by DSM-5
  • Take at least one mood stabilizer every day (like lithium, valproate, lamotrigine, carbamazepine, or a second-generation antipsychotic)
  • Be able to consent and complete study questionnaires, and commit to medication and follow-up visits

View the official record on ClinicalTrials.gov

Quick eligibility check

Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.

Similar studies

Other trials that look related to this one.

NCT05867849Recruiting· Phase 3
Cannabidiol treatment for bipolar depression symptoms

This trial tests whether cannabidiol (CBD) can reduce symptoms of bipolar depression. You may be eligible if you have bipolar I or II and a current depressive episode while staying on approved mood-stabilizing or antipsychotic medication.

Vancouver, British Columbia
NCT05457465Recruiting· Phase 2
Cannabidiol study for anxiety and depression in bipolar disorder

This Phase 2 study tests whether cannabidiol (CBD) can reduce anxiety and depressive symptoms in people with bipolar disorder. It may help if your mood symptoms are persistent and you’re already on stable bipolar medications.

Belmont, Massachusetts
NCT06907979Recruiting
Cannabis use and emotion processing study

This study looks at how heavy cannabis use affects the way you process emotions. You may be able to join if you use cannabis most days, meet criteria for cannabis use disorder, and are not currently in treatment for it. Participants will have brain scans and mild brain stimulation.

Auburn, Alabama
NCT05445180Recruiting
Brain scan study of thinking in cannabis users with psychosis

This study uses brain imaging to understand how thinking works in people who use cannabis, comparing those with psychosis to people without psychosis. It may help researchers learn what brain patterns relate to thinking difficulties and how cannabis use fits in.

Montreal, Quebec
NCT05977023Recruiting· Phase 2
NMDA-targeted medicine to treat bipolar I depression

This Phase 2 study tests a medication that works on NMDA receptors to improve depression symptoms in people with bipolar I disorder. It may help if you’re currently in a bipolar depression episode and other mood treatments haven’t fully controlled it.

Taichung
NCT07196462Recruiting
Brain stimulation to reduce cannabis craving in schizophrenia

This study tests if a non-invasive brain stimulation technique can help reduce cravings for cannabis in people with schizophrenia. It aims to see if this approach can improve outcomes for those who use cannabis and have a psychotic disorder.

Nashville, Tennessee

Hear when a new Bipolar Disorder trial opens

We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.