Bipolar patients with dysphoric-psychotic mania were more likely to use both alcohol and cannabis
Among 96 hospitalized bipolar manic patients, those with dysphoric-psychotic symptoms had higher rates of combined alcohol and cannabis use disorders and more suicide attempts than those with pure elevated mania.
Quick Facts
What This Study Found
Researchers studied 96 inpatients hospitalized for bipolar manic episodes and identified two clusters of symptoms using factor and cluster analysis. Cluster 1 featured primarily elevated psychomotor activity (classic mania), while Cluster 2 was characterized by dysphoria (negative mood) and psychotic symptoms.
Substance use disorders differed significantly between clusters. In Cluster 1 (psychomotor elevation), 39% had alcohol use disorders alone. In Cluster 2 (dysphoric-psychotic), 31.6% had both alcohol and cannabis use disorders. Cluster 2 patients also had more suicide attempts: 47.4% had one attempt and 21.1% had two or more.
The authors suggested that patients with pure mania may self-medicate with alcohol's sedative effects, while the cannabis-psychosis association in dysphoric patients may reflect a causal relationship between cannabis and psychotic features.
Key Numbers
96 bipolar manic inpatients. Cluster 1 (psychomotor): 39% alcohol use disorder. Cluster 2 (dysphoric-psychotic): 31.6% combined alcohol and cannabis disorders. Cluster 2: 47.4% one suicide attempt, 21.1% two or more attempts.
How They Did This
Cross-sectional study of 96 inpatients hospitalized for bipolar manic episodes. Factor analysis of YMRS, MADRS, and SAPS items generated three factors. Hierarchical cluster analysis identified two patient subtypes. MAST assessed alcohol disorders. Substance use disorders and clinical variables were compared between clusters.
Why This Research Matters
Not all manic episodes are the same, and different presentations may have different relationships with substance use. Understanding that dysphoric-psychotic mania is specifically associated with cannabis use (and higher suicide risk) can guide more targeted clinical assessments.
The Bigger Picture
The intersection of bipolar disorder, cannabis use, and psychosis is complex. This study adds nuance by showing that the cannabis-mania association may be specific to dysphoric and psychotic presentations rather than universal across all mania subtypes.
What This Study Doesn't Tell Us
Cross-sectional design at a single hospital. Cannot determine whether cannabis caused the psychotic features or whether psychosis-prone patients are more likely to use cannabis. Small sample for subgroup analysis. Turkish population may not generalize.
Questions This Raises
- ?Does cannabis use trigger the dysphoric-psychotic presentation, or do patients with this subtype preferentially use cannabis?
- ?Would treating cannabis use disorder improve mania outcomes in the dysphoric-psychotic subgroup?
Trust & Context
- Key Stat:
- 31.6% of dysphoric-psychotic manic patients had alcohol + cannabis disorders
- Evidence Grade:
- Cross-sectional study with cluster analysis from a single hospital. Exploratory subtyping approach.
- Study Age:
- Published in 2015 from a Turkish psychiatric hospital.
- Original Title:
- Phenomenological subtypes of mania and their relationships with substance use disorders.
- Published In:
- Journal of affective disorders, 174, 569-73 (2015)
- Authors:
- Güclü, Oya, Şenormancı, Ömer, Aydın, Erkan, Erkıran, Murat, Köktürk, Firuzan
- Database ID:
- RTHC-00971
Evidence Hierarchy
A snapshot of a population at one point in time.
What do these levels mean? →Frequently Asked Questions
Is cannabis use linked to a specific type of mania?
In this study, cannabis use disorders were more common among bipolar patients with dysphoric (negative mood) and psychotic features during mania, compared to those with primarily elevated, energized mania.
Does cannabis increase suicide risk in bipolar disorder?
The cluster with higher cannabis use also had significantly more suicide attempts, but the study cannot determine whether cannabis directly increases suicide risk or whether shared underlying factors explain both.
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Cite This Study
https://rethinkthc.com/research/RTHC-00971APA
Güclü, Oya; Şenormancı, Ömer; Aydın, Erkan; Erkıran, Murat; Köktürk, Firuzan. (2015). Phenomenological subtypes of mania and their relationships with substance use disorders.. Journal of affective disorders, 174, 569-73. https://doi.org/10.1016/j.jad.2014.11.016
MLA
Güclü, Oya, et al. "Phenomenological subtypes of mania and their relationships with substance use disorders.." Journal of affective disorders, 2015. https://doi.org/10.1016/j.jad.2014.11.016
RethinkTHC
RethinkTHC Research Database. "Phenomenological subtypes of mania and their relationships w..." RTHC-00971. Retrieved from https://rethinkthc.com/research/guclu-2015-phenomenological-subtypes-of-mania
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.