Cannabis use and symptom severity in individuals at ultra high risk for psychosis: a meta‐analysis
R. Carney, J. Cotter, J. Firth, T. Bradshaw, A. Yung
Acta Psychiatrica Scandinavica February 7, 2017 DOI: 10.1111/acps.12699 (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Review Peer reviewed |
|---|---|
| Topics | Cannabis |
| Key findings | The review sets out to test whether ultra high risk (UHR) individuals show higher rates of cannabis use and cannabis use disorders than non-UHR individuals, and whether UHR cannabis users report more severe psychotic experiences than UHR non-users. No results or conclusions are stated in the available text. |
Abstract
We aimed to assess whether individuals at ultra high risk (UHR) for psychosis have higher rates of cannabis use and cannabis use disorders (CUDs) than non‐UHR individuals and determine whether UHR cannabis users have more severe psychotic experiences than non‐users.
Comparable studies
Other narrative reviews on cannabis, most cited first.
| Study | Year | Design | Participants |
|---|---|---|---|
| Causal association between cannabis and psychosis: examination of the evidence | 2004 | Review | |
| Cannabis sativa: A comprehensive ethnopharmacological review of a medicinal plant with a long history. General (historical and pharmacological review) | 2018 | Review | |
| Psychiatric effects of cannabis | 2001 | Review | |
| Beyond THC: The New Generation of Cannabinoid Designer Drugs | 2011 | Review | |
| Cannabidiol, a Cannabis sativa constituent, as an antipsychotic drug | 2006 | Review |
Citations in the library
Cited by 14
- Medicinal cannabis for psychiatric disorders: a clinically-focused systematic review BMC Psychiatry January 16, 2020
- Understanding the Mechanisms of Action and Effects of Drugs of Abuse. Molecules June 24, 2023
- Cannabis and psychosis: revisiting a nineteenth century study of ‘Indian Hemp and Insanity’ in Colonial British India Psychological Medicine May 27, 2019
- Cannabis and Psychosis: A Review of the Risk Factors Involved American Journal of Plant Sciences 2020
- Cue-Reactive Phenomenology Mediates the Relationship Between Positive Schizotypy and Cue-Reactive Urge to Gamble in Poker-Machine Gamblers Journal of Gambling Studies May 9, 2024
and 9 more in the library
Cites 5
- High-potency cannabis and the risk of psychosis The British Journal of Psychiatry November 30, 2009
- Alcohol confounds relationship between cannabis misuse and psychosis conversion in a high‐risk sample Acta Psychiatrica Scandinavica January 9, 2015
- Effects of continuation, frequency, and type of cannabis use on relapse in the first 2 years after onset of psychosis: an observational study. The Lancet Psychiatry October 1, 2016
- Prospective study of cannabis use in adolescents at clinical high risk for psychosis: impact on conversion to psychosis and functional outcome Psychological Medicine December 1, 2012
- Temporal Association of Cannabis Use with Symptoms in Individuals at Clinical High Risk for Psychosis Schizophrenia Research September 21, 2008