ArticleTranslational psychiatry2013
Antipsychotics and the gut microbiome: olanzapine-induced metabolic dysfunction is attenuated by antibiotic administration in the rat.
Article in Translational psychiatry, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 113 papers, 8 of them syntheses that pooled it.
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Who cites it
113 citing papers in PubMed, 8 syntheses or guidelines pooled it, 231 citations in OpenAlex.
- Unravelling the role of the gut microbiome in antipsychotic-induced weight gain and metabolic dysfunction in humans and rodents: A systematic review.Dialogues in clinical neuroscience · 2026Pooled it
- Pharmaco-psychiatry and gut microbiome: a systematic review of effects of psychotropic drugs for bipolar disorder.Microbiology (Reading, England) · 2025Pooled it
- Gut microbiota composition in depressive disorder: a systematic review, meta-analysis, and meta-regression.Translational psychiatry · 2023Pooled it
- Probiotics for the treatment of depression and its comorbidities: A systemic review.Frontiers in cellular and infection microbiology · 2023Pooled it
- Altered Composition of Gut Microbiota in Depression: A Systematic Review.Frontiers in psychiatry · 2020Pooled it
- The Gut Microbiome in Psychosis From Mice to Men: A Systematic Review of Preclinical and Clinical Studies.Frontiers in psychiatry · 2020Pooled it
- Second-generation antipsychotics and metabolism alterations: a systematic review of the role of the gut microbiome.Psychopharmacology · 2019Pooled it
- Adherence to Antipsychotic Medication in Bipolar Disorder and Schizophrenic Patients: A Systematic Review.Journal of clinical psychopharmacology · 2016Pooled it
- Probiotics Plus Dietary Fiber Supplements Attenuate Olanzapine-Induced Weight Gain in Drug-Naïve First-Episode Schizophrenia Patients: Two Randomized Clinical Trials.Schizophrenia bulletin · 2022Trial
- The effects of probiotics plus dietary fiber on antipsychotic-induced weight gain: a randomized clinical trial.Translational psychiatry · 2022Trial
- Gut Microbiota Modulation in CNS Disorders: Therapeutic Strategies and Implications for Drug Efficacy.Molecular neurobiology · 2026Review
- Antipsychotic-Induced Remodeling of the Gut Microbiota: Drug-Specific Patterns and Molecular Links to Metabolic Adverse Effects.International journal of molecular sciences · 2026Review
- Early risperidone exposure impairs cognitive function by perturbation of the gut microbiome and bile acids/tyrosine-PTP1B axis.Microbiome · 2026Article
- Comprehensive Review on the Toxicity of Five Main AQ Constituents from Rhubarb: Mechanisms, Challenges and Future Perspectives.Drug design, development and therapy · 2026Review
- Decoding psychotropic-induced metabolic disturbances: gut-brain axis, multi-omics, and nutrition-lifestyle integration.Frontiers in nutrition · 2026Review
- The Microbiota-Gut-Brain Connection: A New Horizon in Neurological and Neuropsychiatric Disorders.CNS neuroscience & therapeutics · 2025Review
- A Comprehensive Review of Antibiotic Resistance in the Oral Microbiota: Mechanisms, Drivers, and Emerging Therapeutic Strategies.Antibiotics (Basel, Switzerland) · 2025Review
- Acetylcholinesterase inhibitors considerably affect the salivary microbiome in patients with Alzheimer's disease.iScience · 2025Article
- Acute inflammation induced by the Escherichia coli lipopolysaccharide considerably increases the systemic and brain exposure of olanzapine after oral administration in mice.The international journal of neuropsychopharmacology · 2025Article
- Gut Microbiota: A New Challenge in Mood Disorder Research.Life (Basel, Switzerland) · 2025Review
53 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The atypical antipsychotic olanzapine is often associated with serious metabolic side effects including weight gain and increased visceral fat. These adverse events are a considerable clinical problem and the mechanisms underlying them are multifactorial and poorly understood. Growing evidence suggests that the gut microbiota has a key role in energy regulation and disease states such as obesity. Moreover, we recently showed that chronic olanzapine altered the composition of the gut microbiome in the rat. It is thus possible that treatments that alter gut microbiota composition could ameliorate olanzapine-induced weight gain and associated metabolic syndrome. To this end, we investigated the impact of antibiotic-induced alteration of the gut microbiota on the metabolic effects associated with chronic olanzapine treatment in female rats. Animals received vehicle or olanzapine (2 mg kg(-1) per day) for 21 days, intraperitoneal injection, two times daily. Animals were also coadministered vehicle or an antibiotic cocktail consisting of neomycin (250 mg kg(-1) per day), metronidazole (50 mg kg(-1) per day) and polymyxin B (9 mg kg(-1) per day) by oral gavage, daily, beginning 5 days before olanzapine treatment. The antibiotic cocktail drastically altered the microbiota of olanzapine-treated rats, and olanzapine alone was also associated with an altered microbiota. Coadministration of the antibiotic cocktail in olanzapine-treated rats attenuated: body weight gain, uterine fat deposition, macrophage infiltration of adipose tissue, plasma free fatty acid levels, all of which were increased by olanzapine alone. These results suggest that the gut microbiome has a role in the cycle of metabolic dysfunction associated with olanzapine, and could represent a novel therapeutic target for preventing antipsychotic-induced metabolic disease.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.