Clozapine and therapeutic drug monitoring: is there sufficient evidence for an upper threshold?

G Remington, O Agid, G Foussias, L Ferguson… - …, 2013 - Springer
Rationale Clozapine levels are advocated in the monitoring of patients on this drug and
have now been used for a number of years. A safety-related threshold has also been …

Association between clozapine plasma concentrations and treatment response: a systematic review, meta-analysis and individual participant data meta-analysis

F Tralongo, C Konecki, C Feliu, A Kaladjian… - Clinical …, 2023 - Springer
Abstract Background and Objectives Although therapeutic drug monitoring of clozapine is
recommended, its optimisation is often adjusted only on the basis of dosage. The aim of this …

Serum clozapine levels: a review of their clinical utility

C Greenwood-Smith, DI Lubman… - Journal of …, 2003 - journals.sagepub.com
Therapeutic drug monitoring (TDM) is frequently utilized in the treatment of psychiatric
conditions, but its clinical application concerning the use of clozapine is unclear. We present …

Clozapine levels as a predictor for therapeutic response: a systematic review and meta‐analysis

D Siskind, M Sharma, M Pawar… - Acta Psychiatrica …, 2021 - Wiley Online Library
Objectives Clozapine levels may be a more useful predictor of therapeutic response than the
dose, given the variability in clozapine metabolism between individuals. We therefore …

Therapeutic drug monitoring of clozapine treatment: therapeutic threshold value for serum clozapine concentrations

OV Olesen - Clinical pharmacokinetics, 1998 - Springer
It has been suggested that the minimum effective serum clozapine concentration for an
acceptable clinical response (threshold value) is about 400 μg/L. This article argues against …

Influence of dose, gender, and cigarette smoking on clozapine plasma concentrations

M Mayerova, L Ustohal, J Jarkovsky… - Neuropsychiatric …, 2018 - Taylor & Francis
Introduction Therapeutic drug monitoring (TDM) of clozapine is a very useful method for
verifying both the correct intake and the interindividual variability of its metabolism, thereby …

Prevalence and nature of side effects during clozapine maintenance treatment and the relationship with clozapine dose and plasma concentration

B Yusufi, S Mukherjee, R Flanagan… - International clinical …, 2007 - journals.lww.com
Clozapine is associated with non-neurological side effects that can be subjectively
unpleasant and/or clinically serious. We sought to:(i) assess the nature and prevalence of …

Will routine therapeutic drug monitoring have a place in clozapine therapy?

DJ Freeman, LK Oyewumi - Clinical pharmacokinetics, 1997 - Springer
Clozapine is an atypical antipsychotic medication with proven efficacy in the management of
refractory schizophrenia. It is also recommended for patients who do not tolerate the …

Review and management of clozapine side effects

DD Miller - The Journal of clinical psychiatry, 2000 - psychiatrist.com
Clozapine has demonstrated superior efficacy in relieving positive and negative symptoms
intreatment-resistant schizophrenic patients; unlike other antipsychotics, it causes minimal …

Adverse drug reactions in relation to clozapine plasma levels: a systematic review

M Skokou, EA Karavia, Z Drakou… - Pharmaceuticals, 2022 - mdpi.com
Clozapine is the gold standard for treatment-resistant schizophrenia. Serious and even life-
threatening adverse effects, mostly granulocytopenia, myocarditis, and constipation, are of …