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Scientifically Proven: The Efficacy and Effectiveness of Hypnosis

Scientifically Proven: The Efficacy and Effectiveness of Hypnosis

Study on the effectiveness of hypnosis

Erich Flammer has compiled results of clinical studies on the effectiveness of hypnosis therapy in a meta-analysis. This meta-analysis covers the period from 1887 to 2009. 188 controlled studies with 10150 patients are the content of his meta-analysis. Of these, 91 studies used hypnosis as a complementary psychotherapeutic treatment. 68 studies were related to psychosomatic disorders (such as chronic pain, allergies, irritable bowel syndrome), 14 studies were related to hypnosis for anxiety. 16 studies focused on other disorders.

A selection of topics that have been considered in studies on the effectiveness of hypnosis

  • Psychosomatic issues
  • Chronic pains
  • Allergies
  • Irritable bowel syndrome
  • surgery stress, fear of surgery
  • Fears and anxiety disorders
  • Smoking
  • Depression
  • Eating problems

Study on the effectiveness of hypnosis

Flammer was able to determine that hypnosis therapy can be very effective on average of 5 hypnosis treatments. It can also be assumed by the meta-analysis that hypnosis therapy continues to have an effect. A later meta-analysis by Hagl was able to confirm these trends. Hagl also describes a growing trend to use hypnosis in other medical fields.

Hypnosis is effective and efficient with relatively short treatment time

Hypnotherapy today offers a wide range of medical, psychosomatic and psychotherapeutic treatments with a comparatively short duration of use. With a relatively short duration of treatment, hypnosis becomes effective and sustainable. This is a result that cannot be said of the well-known methods of psychotherapy that are reimbursed by the statutory health insurance funds in Germany. These include behavioral therapy (VT), depth psychology-based psychotherapy, analytical psychotherapy and, brand new since July 2020 and exclusively for adults, systemic therapy.

See also

You can also find a detailed post on our website about our expanded and developed method and application of modern hypnosis. You can also read more about the effectiveness of hypnosis in the following articles:


  • Flammer, A. (1990): Erfahrung der eigenen Wirksamkeit. Einführung in die Psychologie der Kontrollmeinung. Bern (Huber)
  • Flammer E, Bongartz W (2003) On the efficacy of hypnosis: A meta-analytic study. Contemporary Hypnosis 20 (4): 179–197. doi:10.1002/ch.277
  • Hagl, M. (2013). Klinische Hypnose und Hypnotherapie: Interventionsforschung in den Jahren 2010 und 2011. Hypnose und Hypnotherapie, 13.
  • Link zur Bekanntmachung des Wissenschaftlichen Beirats der Psychotherapie nach § 11 PsychThG (pdf):
    Gutachten zur wissenschaftlichen Anerkennung der Hypnotherapie

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