ArticleFrontiers in pharmacology2021
Clozapine Metabolism is Associated With Absolute Neutrophil Count in Individuals With Treatment-Resistant Schizophrenia.
Article in Frontiers in pharmacology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 2 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
12 citing papers in PubMed, 2 syntheses or guidelines pooled it, 21 citations in OpenAlex.
- Meta-analyses of clozapine, norclozapine levels and their ratio across three genome wide association studies.Translational psychiatry · 2025Pooled it
- Clozapine Therapy and COVID-19: A Systematic Review of the Prevalence Rates, Health Outcomes, Hematological Markers, and Patient Perspectives.Schizophrenia bulletin · 2023Pooled it
- From Therapeutic Drug to Xenobiotic in Cancer Repurposing: Clozapine Mechanisms, Metabolic Liabilities, and Human-Relevant Translational Approaches.Journal of xenobiotics · 2026Review
- Modulatory effects of valproic acid and UGT polymorphisms on norclozapine plasma levels in clozapine-treated patients with schizophrenia.Scientific reports · 2026Article
- Genetic variants ofJournal of Taibah University Medical Sciences · 2026Article
- A scoping review of genetic studies of treatment-resistant schizophrenia.Frontiers in genetics · 2026Review
- Polygenic overlap with granulocyte counts identifies novel loci for clozapine metabolism and clozapine-induced agranulocytosis.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025Article
- The Role of Microglial Exosomes in Clozapine Treatment: Effect on Cognition in Schizophrenia.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2025Review
- Can lithium be used in the setting of clozapine commencement in patients with COVID-19 associated neutropenia: A case report.Clinical case reports · 2024Article
- Mediation and longitudinal analysis to interpret the association between clozapine pharmacokinetics, pharmacogenomics, and absolute neutrophil count.Schizophrenia (Heidelberg, Germany) · 2023Article
- Clozapine and COVID-19 Vaccination: Effects on blood levels and leukocytes. An observational cohort study.Acta psychiatrica Scandinavica · 2022Observational
- Clozapine: Why Is It So Uniquely Effective in the Treatment of a Range of Neuropsychiatric Disorders?Biomolecules · 2021Review
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
Abstract
Up to one-third of those with schizophrenia fail to respond to standard antipsychotics and are considered to have treatment-resistant schizophrenia, a condition for which clozapine is the only evidence-based medication. While up to 60% of treated individuals obtain therapeutic benefits from clozapine, it is currently underprescribed worldwide, partly because of concerns related to its broad adverse effect profile. In particular, the potential effects of clozapine on the immune system have gained relevance after a recent study showed that drug plasma concentrations were inversely correlated with neutrophil counts in individuals routinely undergoing treatment. Seeking to investigate this relationship in more detail, we extracted metabolic, immune, and genetic data from a UK cohort of long-term clozapine users linked to a clozapine monitoring service, CLOZUK2 (
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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.