Literature DB >> 15908094

How antipsychotics work: the patients' perspective.

Romina Mizrahi1, R Michael Bagby, Robert B Zipursky, Shitij Kapur.   

Abstract

BACKGROUND: While much is known about the neuropharmacology and objective efficacy of antipsychotics, little is known about how these drugs act on psychosis from the patients' perspective. Most previous studies of the patient's perspective have focused on drug tolerability and acceptability-rather than their effects on psychosis per se.
METHODS: The authors examined how antipsychotics work from a patient's perspective by analyzing their responses to a subjective questionnaire. Ninety-one patients with schizophrenia (cross-sectional component) and eight neuroleptic naïve patients (before and after treatment, longitudinal component) participated. The patients' responses to the questionnaire were analyzed using Principal Component Analysis (PCA) and general linear models.
RESULTS: Analysis of the patients' responses showed that from their perspective the drugs were substantially more effective in: "help deal, help stop thinking, and make the symptoms not bother" rather than "take away" or "change my mind". This differentiation was clear in the raw data and was supported by a formal PCA. Two underlying factors-the first termed detachment and second eradication-explained 71% of the variance in the patients' perspective on how antipsychotics work for them. Neuroleptic naïve patients, who had no prior exposure, expected drugs to help with both detachment and eradication, but, changed their mind with just 6 weeks of experience with the medications.
CONCLUSIONS: From the patients' perspective the action of antipsychotics is best characterized by a detachment from symptoms-rather than an eradication or elimination of symptoms. They have more wide-ranging expectations prior to antipsychotic exposure, but, even 6 weeks of exposure is sufficient to change their mind in favor of detachment. This finding is consistent with some of the very earliest ideas that antipsychotics produced a state of "indifference" and is also consistent with the more recent, neurobiologically informed notions that antipsychotics work by dampening the salience of psychotic symptoms.

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Year:  2005        PMID: 15908094     DOI: 10.1016/j.pnpbp.2005.03.001

Source DB:  PubMed          Journal:  Prog Neuropsychopharmacol Biol Psychiatry        ISSN: 0278-5846            Impact factor:   5.067


  4 in total

Review 1.  How antipsychotics work-from receptors to reality.

Authors:  Shitij Kapur; Ofer Agid; Romina Mizrahi; Ming Li
Journal:  NeuroRx       Date:  2006-01

2.  Positive and Negative Effects of Antipsychotic Medication: An International Online Survey of 832 Recipients.

Authors:  John Read; James Williams
Journal:  Curr Drug Saf       Date:  2019

3.  How do psychiatric drugs work?

Authors:  Joanna Moncrieff; David Cohen
Journal:  BMJ       Date:  2009-05-29

4.  The psychoactive effects of psychiatric medication: the elephant in the room.

Authors:  Joanna Moncrieff; David Cohen; Sally Porter
Journal:  J Psychoactive Drugs       Date:  2013 Nov-Dec
  4 in total

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