Zusammenfassung
Hintergrund
Während die meisten Leitlinien zur Schizophrenietherapie die Monotherapie mit Antipsychotika der 2. Generation empfehlen, werden im klinischen Alltag, insbesondere in Fällen therapieresistenter Symptome, sehr häufig multiple psychotrope Substanzen eingesetzt.
Methoden
Anhand einer aktuellen Literaturrecherche in öffentlich zugänglichen Datenbanken (Medline/OVID, google, http://www.clinicaltrials.gov) im Oktober 2009 und eigener Forschung wird die empirische Basis für Polypharmazie dargelegt und ihre Relevanz für die klinische Praxis erörtert.
Ergebnisse
Polypharmazie ist die Antwort auf verschiedene Aspekte der Therapieresistenz. Die Augmentation von Antipsychotika mit Antidepressiva erscheint zur Therapie der Negativsymptomatik oder komorbider depressiver Episoden empfehlenswert. Dagegen fehlt für die zusätzliche Gabe von Lithium oder Antiepileptika als Stimmungsstabilisatoren überzeugende Evidenz, wobei spezifische Subgruppen durchaus profitieren können. Da sich bislang keine pharmakologische Add-on-Strategie als überzeugend wirksam erwiesen hat, sollten zur Verbesserung der kognitiven Leistungsfähigkeit Antipsychotika mit psychotherapeutischen Trainingsmethoden kombiniert werden. Akute dystone Bewegungsstörungen sprechen auf Anticholinergika an, während sich Benzodiazepine bei akuten Anspannungs- und Angstsyndromen als wirksam erweisen. Therapieresistente Positiv- und Negativsymptome respondieren oftmals auf Clozapin in Monotherapie. In Einzelfällen kann eine kombinierte antipsychotische Therapie sinnvoll sein.
Schlussfolgerungen
Insgesamt muss die empirische Basis für Add-on-Strategien anhand weiterer randomisierter Vergleiche gegenüber aktiver und Placebokontrolle (RCT), aber auch naturalistischer Studien erweitert werden.
Summary
Background
While most guidelines recommend monotherapy with second-generation antipsychotics (SGA) in schizophrenia, the combined application of multiple psychotropic agents is very common, especially in treatment-refractory cases.
Methods
This review summarizes the evidence of combined antipsychotic treatment strategies and the augmentation of antipsychotics with mood stabilizers, antidepressants and experimental substances, based on publications accessible in public databases (Medline/Ovid, Google, http://www.clinicaltrials.gov) up to October 2009.
Results
Polypharmacy aims to address several aspects of treatment resistance and side effects of antipsychotics. Some evidence supports the augmentation of antipsychotics with antidepressants for negative symptoms and comorbid major depressive episodes. The add-on of lithium and mood stabilizers lacks compelling evidence but might be beneficial for specific subgroups. For treatment-resistant cognitive symptoms, cognitive re-mediation seems most promising as no pharmacological add-on strategy has gained convincing evidence so far. Acute dystonic movements should be treated with anticholinergic agents while agitation and anxiety might respond to short-term application of benzodiazepines. Treatment-resistant positive and/or negative symptoms should primarily lead to clozapine monotherapy; the add-on of a second SGA may be considered in single cases.
Conclusions
In general, rigorous data on combination therapy in schizophrenia are rare, and further randomized controlled trials (RCT), naturalistic and head-to-head-studies are necessary.
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Interessenskonflikte
Der korrespondierende Autor weist auf folgende Beziehungen hin: M.Z. erhielt wissenschaftliche Projektförderung, Vortragshonorare und Kongressunterstützung von der Deutschen Forschungsgemeinschaft (DFG), ERAB (European Research Advisory Board), Pfizer Pharma, Bristol-Myers Squibb, Astra Zeneca, Eli-Lilly und Janssen Cilag. S.E. erhielt Kongressunterstützung und Honorare für Beratertätigkeit von AstraZeneca, Bristol-Myers Squibb and Otsuka Pharma, Eli-Lilly, Janssen Cilag, Lundbeck und Pfizer Pharma. A.M.-L. erhielt Beraterhonorare und Kongressunterstützung von AstraZeneca, Hoffmann-La Roche, Lundbeck Foundation, ferner Vortragshonorare von Pfizer Pharma, Lilly Deutschland, Glaxo SmithKline, Janssen Cilag, Bristol-Myers Squibb, Lundbeck und AstraZeneca.
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Zink, M., Englisch, S. & Meyer-Lindenberg, A. Polypharmazie bei schizophrenen Psychosen. Nervenarzt 82, 853–858 (2011). https://doi.org/10.1007/s00115-010-3196-0
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DOI: https://doi.org/10.1007/s00115-010-3196-0