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You are here: Home / News / Large scale analysis of antipsychotics could improve outcomes for schizophrenia patients

Large scale analysis of antipsychotics could improve outcomes for schizophrenia patients

26th September 2019

Results of a network meta-analysis published in The Lancet this month will aid clinicians in balancing the risks and benefits of the antipsychotic drugs they are prescribing to treat schizophrenia.

Schizophrenia is one of the most common psychiatric disorders in adults worldwide – one in 100 people globally are affected over a lifetime.

Significant advances have been made in our understanding of the causes of the condition but antipsychotic drugs remain the firstline treatment for symptoms of psychosis such as hallucinations, delusions, and cognitive impairment.

The analysis reported in The Lancet is the largest and most comprehensive meta-analysis of antipsychotic medication for acute psychosis to date. It included 402 studies of 32 different antipsychotics with data for 53,463 participants and the method of analysis enabled comparisons between drugs that may not have been directly compared in clinical trials.

The study’s findings show that antipsychotics are clearly more effective than placebo in treating acute psychotic episodes and their use is associated with considerable reduction in all-cause mortality compared with no treatment. However, while these drugs provide effective treatment, they can also cause serious side effects and striking a balance between efficacy and tolerability is a key consideration for clinicians prescribing these medications.

Both newer and older antipsychotics were included in the analysis and the difference in their efficacy was found to be relatively small. In contrast the paper highlights a more marked difference in side effects between first and second generation drugs, with newer drugs being associated with less tolerable side-effects.

Many current prescribing guidelines recommend newer antipsychotics as the treatment of choice but information provided by this analysis will help to inform future prescribing decisions. Many older antipsychotics, which are still widely available, may provide an equally effective and more tolerable first line treatment for some patients. These drugs are also often less costly, an important consideration in lower income countries.

Professor Andrea Cipriani, co-author of the study added “We have summarised the best evidence, but now the real challenge is to personalise treatment to each individual. We are already working on this (not only in schizophrenia, but also in depression) and the big challenge is to use the best data in combination with real world outcomes, incorporating preferences and values of patients and clinicians.”

Filed Under: News

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