How cannabis affects brain receptors in people with schizophrenia

Terminal type-specific cannabinoid CB1 receptor alterations in schizophrenia and cannabis use

['FUNDING_CAREER'] · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · NIH-11054844

This study looks at how using cannabis affects certain brain receptors in people with schizophrenia, especially how THC, the active part of cannabis, might change these receptors in areas of the brain that help with memory, to better understand if cannabis use can make schizophrenia symptoms worse.

Quick facts

Phase['FUNDING_CAREER']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF PITTSBURGH AT PITTSBURGH (nih funded)
Locations1 site (PITTSBURGH, UNITED STATES)
Trial IDNIH-11054844 on ClinicalTrials.gov

What this research studies

This research investigates the effects of cannabis use on cannabinoid receptors in the brains of individuals with schizophrenia. It focuses on how the psychoactive component of cannabis, Δ9-tetrahydrocannabinol (THC), alters the expression of CB1 receptors in specific brain regions associated with working memory. By comparing brain samples from individuals with schizophrenia and those exposed to THC, the study aims to understand the relationship between cannabis use and the worsening of schizophrenia symptoms. The findings could provide insights into how cannabis impacts brain function in this population.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with schizophrenia who also use cannabis.

Not a fit: Patients without a diagnosis of schizophrenia or those who do not use cannabis may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better understanding and management of schizophrenia symptoms in patients who use cannabis.

How similar studies have performed: Previous research has indicated that cannabis use can exacerbate symptoms in individuals with schizophrenia, suggesting that this area of investigation is both relevant and necessary.

Where this research is happening

PITTSBURGH, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.