Evidenzbasierte Psychotherapie bei Zwangsstörungen
Empfehlungen der S3-Leitlinien für die Praxis und Konsequenzen für die Forschung
Abstract
Zusammenfassung. Theoretischer Hintergrund: Leitlinien im Bereich der Medizin und Psychotherapie basieren auf systematischen Zusammenstellungen der verfügbaren Evidenz und dienen der Entscheidungshilfe für Praktiker. Für die Zwangsstörung wurde 2013 eine S3-Leitlinie publiziert. Fragestellung und Methode: Hier werden deren wichtigste Empfehlungen zur psychotherapeutischen Behandlung zusammengefasst und verbleibende Forschungslücken bezüglich praxisrelevanter Fragen aufgezeigt. Ergebnisse: Die Kognitive Verhaltenstherapie (KVT) wird als Verfahren der ersten Wahl empfohlen, während für andere, auch sehr verbreitete Verfahren kaum Evidenz vorliegt. Einige wichtige prozedurale Aspekte der KVT sind jedoch nicht genügend untersucht. Schlussfolgerungen: Angesichts der klinischen Bedeutung der Zwangsstörung besteht erheblicher Forschungsbedarf. Es wird auf die Bedeutung von Praxisbewährungsstudien hingewiesen. Schließlich wird diskutiert, wie aus aktueller psychologischer und neurobiologischer Grundlagenforschung zur Zwangsstörung, hier ausgeführt am Beispiel der Endophänotypenforschung, innovative Interventionen entwickelt werden können. Diese zielen darauf ab, den Anteil klinisch signifikant gebesserter Patienten zu erhöhen und die Nachhaltigkeit der Besserung zu sichern.
Abstract. Background: Practice guidelines in medicine and psychotherapy are based on systematic reviews of available evidence and serve as decision support for care providers. S3 guidelines for obsessive-compulsive disorder (OCD) were published in 2013. Objective and Method: Here, the core recommendations for psychotherapy care are reviewed, and the remaining gaps of evidence regarding practical care are identified. Results: Cognitive-behavioral therapy (CBT) is recommended as the first-line treatment, while the efficacy of alternative, widely used treatments has almost no evidence base. Some important procedural aspects of CBT are insufficiently investigated to date. Conclusion: Given the clinical significance of OCD there is a strong need for further research. Furthermore, the importance of effectiveness studies is highlighted. Finally, we discuss how innovative interventions may be developed from modern psychological and neurobiological research, as exemplified by endophenotype research. To increase the proportion of responders and remitters and to stabilize improvement are the ultimate aims of these efforts.
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