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Dell’Osso L, Bonelli C, Nardi B, Giovannoni F, Pronestì C, Cremone IM, Amatori G, Pini S, Carpita B. Rethinking Clozapine: Lights and Shadows of a Revolutionary Drug. Brain Sci 2024; 14:103. [PMID: 38275523 PMCID: PMC10813979 DOI: 10.3390/brainsci14010103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/16/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024] Open
Abstract
The current literature globally highlights the efficacy of Clozapine in several psychiatric disorders all over the world, with an FDA indication for reducing the risk of repeated suicidal behavior in patients with schizophrenia or schizoaffective disorder. A growing field of research is also stressing a possible broader beneficial effect of Clozapine in promoting neuroprotection and neurotrophism. However, this drug is linked to several life-threatening side effects, such as agranulocytosis, myocarditis and seizures, that limit its use in daily clinical practice. For this work, a search was performed on PubMed using the terms "Clozapine indications", "Clozapine adverse effects", "Clozapine regenerative effects", and "Clozapine neuroplasticity" with the aim of reviewing the scientific literature on Clozapine's treatment indications, adverse effects and potential regenerative role. The results confirmed the efficacy of clozapine in clinical practice, although limited by its adverse effects. It appears crucial to raise awareness among clinicians about the potential benefits of using Clozapine, as well educating medical personnel about its risks and the early identification of possible adverse effects and their management.
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Affiliation(s)
| | - Chiara Bonelli
- Department of Clinical and Experimental Medicine, Section of Psychiatry, University of Pisa, 67 Via Roma, 56126 Pisa, Italy; (L.D.); (B.N.); (F.G.); (C.P.); (I.M.C.); (G.A.); (S.P.); (B.C.)
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Clozapine Associated Periorbital Edema in First Episode Psychosis: A Case Report of a Rare Adverse Effect in Treatment-Resistant Schizophrenia. J Clin Psychopharmacol 2022; 42:594-596. [PMID: 36066404 DOI: 10.1097/jcp.0000000000001600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Bakhshii S, Khezri S, Ahangari R, Jahedsani A, Salimi A. Protection of clozapine-induced oxidative stress and mitochondrial dysfunction by kaempferol in rat cardiomyocytes. Drug Dev Res 2021; 82:835-843. [PMID: 33442898 DOI: 10.1002/ddr.21790] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/26/2020] [Accepted: 01/02/2021] [Indexed: 12/23/2022]
Abstract
Clozapine (CLZ) is unusually efficient in psychotic diseases. Nonetheless, its use is confined due to potentially life-threatening adverse events, including cardiotoxicity. Since the cardiotoxicity of CLZ is mediated through the generation of active metabolites, free radical, and inflammation. Here, we tested this hypothesis that kaempferol (KP) as antioxidant and anti-inflammatory agent could attenuate CLZ-induced mitochondrial/lysosomal and oxidative damages in rat ventricular cardiomyocytes. Rat ventricular cardiomyocytes were isolated by collagenase perfusion. Then isolated cardiomyocytes were simultaneously treated with different concentrations of KP (10, 20, and 50 μM) and CLZ (50 μM) for 4 h at 37°C. After 4 h of incubation, using by flow cytometry and biochemical evaluations, the parameters of cellular toxicity including: cell viability, reactive oxygen species (ROS) formation, mitochondria membrane potential (ΔΨm) collapse, lysosomal membrane integrity, malondialdehyde, and oxidized/reduced glutathione were analyzed. The results showed that CLZ (50 μM) induced a significant increase in cytotoxicity, ROS formation, mitochondrial membrane potential collapse, lipid peroxidation, and oxidative stress while KP reverted the above toxic effect of CLZ on isolated cardiomyocytes. Our data suggest that KP prevents and reverses CLZ-induced oxidative and mitochondrial/lysosomal damages in isolated cardiomyocytes, providing an experimental basis for clinical treatment on CLZ-induced cardiotoxicity.
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Affiliation(s)
- Saba Bakhshii
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran.,Students Research Committee, Faculty of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Saleh Khezri
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran.,Students Research Committee, Faculty of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Roya Ahangari
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran.,Students Research Committee, Faculty of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Asal Jahedsani
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran.,Students Research Committee, Faculty of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Ahmad Salimi
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran.,Traditional Medicine and Hydrotherapy Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
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