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Effect of Hypnotherapy in Alcohol Use Disorder Compared With Motivational Interviewing

A Randomized Controlled Trial

Shestopal, Irene MD*; Bramness, Jørgen G. MD, PhD†,‡

Addictive Disorders & Their Treatment: September 2019 - Volume 18 - Issue 3 - p 169–175
doi: 10.1097/ADT.0000000000000170
Original Articles

Background: Hypnotherapy has proved to be effective for the treatment of several medical and psychiatric conditions. It has been used in the treatment of alcohol use disorder (AUD), but only 2 randomized controlled trials have been conducted for this disorder.

Methods: This study was carried out at an inpatient clinic in Norway. A 6-week long treatment program included intensive group therapy, but also 5 hours of individual therapy, given as motivational interviewing (MI). Thirty-one patients were randomized either to receive 5 individual sessions of hypnotherapy instead of MI (N=16) or to be in the control group (N=15). The treatment method for the hypnotherapy group was Erickson (permissive) hypnosis. At baseline all the participants were diagnosed using a psychiatric interview and filled in the Alcohol Use Identification Test (AUDIT), Timeline FollowBack (TLFB) for alcohol use, Hopkins Symptoms Check List (HSCL-25) for monitoring mental distress and Traumatic Life Events Questionnaire. AUDIT, TLFB, and HSCL-25 were readministered at follow-up after 1 year.

Results: There were no differences between groups at baseline. One year later more women were lost to follow-up in the MI group. Both the intervention and control groups had reduced their alcohol consumption significantly. The change in AUDIT score was, however, largest for the hypnotherapy group, albeit only on a trend level (P=0.088).

Conclusions: Those receiving hypnotherapy did marginally better concerning alcohol use at 1-year follow-up. This small advantage for hypnotherapy could indicate an effect, rendered nonsignificant by an underpowered study. It could also be that neither MI nor hypnotherapy gave an additional effect on top of the substantial group therapy. Lastly the findings could indicate that hypnotherapy is at least as effective as MI.

*Private Practice, Oslo

Norwegian National Advisory Unit on Concurrent Substance Abuse and Mental Health Disorders, Innlandet Hospital Trust, Hamar

Institute of Clinical Medicine, University of Tromsø—Norway’s Arctic University, Olso, Norway

I.S. was granted a stipend from Privatpraktiserende Spesialisters Landsforening (the national union of private specialists). J.G.B. declares no conflict of interest.

Reprints: Irene Shestopal, MD, Solskinnsveien 14, Oslo 0376, Norway (e-mail:

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Alcohol use causes around 3% of potential years of life lost and the same proportion of all deaths worldwide.1 It was behind 85 million disability-adjusted years of life in 2015.2 The annual toll of alcohol use disorders (AUD) is high worldwide.3

There are effective psychological4 and pharmacological5 treatments for AUD. The measurable effects of these are, however, often small.6,7 No significant differences have been found between different psychological treatments,6 but adding psychological treatment to a pharmacological intervention may have some advantages.8 There is a debate about the importance of longer duration of counselling. On one hand, it has only been shown to provide a small additional effect,9 but on the other hand, it has been demonstrated that the stability of remission is positively correlated with the length and intensity of treatment.10 Recent studies demonstrated that mindfulness-based treatments can improve the stability of remission.11 Research into AUD treatment is difficult to evaluate because, despite its chronic course with frequent relapses, AUD can also have spontaneous remissions.12–14 The cumulative lifelong chance of experiencing a spontaneous remission of AUD is 90%, but as many as 50% of these remissions may end in a relapse.15

Hypnotherapy entails using hypnosis for therapeutic purposes. Hypnosis may involve changes in subjective experience, for example, reduction in self-orientation and an illusion of automaticity.16 These phenomena may be connected to changes in focused attention, changes that can even be demonstrated objectively either by electroencephalogram16 or functional magnetic resonance imaging.17 There are 2 styles of hypnotherapy: an authoritative style, where the patients passively receive hypnotic suggestions, and a permissive style, where the patients participate more actively in the therapeutic process.18 The 2 styles may be combined.

Hypnotherapy has proved to be effective in the treatment of chronic pain,19 in adults undergoing medical or surgical procedure,20 in chronic headaches,21,22 migraine,23 fibromyalgia,24,25 irritable bowel syndrome (IBS),26 in recurrent abdominal pain in childhood,27 and several other conditions. Impressive results were achieved by abreactive ego state therapy, a 5 to 6 hours long manualized hypnotherapy, in the treatment of post-traumatic stress disorder.28 A single intervention resulted in an immediate significant reduction in post-traumatic stress disorder check list (PCL) score. The patients maintained the treatment effect 18 weeks later.

Many hynotherapists, including Milton Erickson himself, used hypnotherapy in treatment of AUD. Some publications describe the treatment without empirical data,29,30 but scientific publications are rare. We have identified only 6 scientific publications, based on empirical data. A case report for the treatment of AUD also reported success.31 Two open, noncontrolled studies using so-called hypnoanalysis32 and Erikson hypnosis33 reported 90% and 67% abstinence rate at follow-up, respectively. Two studies have been published on so-called hypnoaversion. The goal of this treatment was to make patients find alcohol repulsive. An open, noncontrolled study found an abstinence rate of 62% at 1-year follow-up.34 A controlled study using hypnoaversion as add on found no additional effect of the this treatment.35

The most recent and well-designed study included three control groups: attention-placebo (stress management), cognitive-behavioral transtheoretical intervention and no additional intervention group.36 The abstinence rate in all groups was between 85% and 90% at 2-month follow-up. However, the individuals in the self-hypnosis group, who played their audiotapes at least 3 times a week, reported higher levels of self-esteem and serenity, and lower levels of anger/impulsivity, in comparison to the minimal-practice and control groups.

The aim of this study was to investigate the effect of hypnotherapy for patients with AUD in a randomized controlled clinical trial.

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This study was designed as a parallel study, where 2 groups were compared: one receiving treatment as usual (motivational interviewing; MI) and the intervention (hypnotherapy group). If the mean difference in treatment effect was as great as 40% we would have needed 46 participants to achieve statistical power (P=0.05). We had initially planned to recruit as many as 50 individuals, but many were skeptical to the novel treatment. Four persons withdrew from the hypnotherapy group either before or after first treatment because of uncertainty. This did not affect randomization and they are not represented in the results.

Participants in the study were recruited from patients admitted to a 6-week long inpatient treatment program at Vangseter Clinic in Norway in 2016. Only individuals who diagnosed with AUD were included in the study. The treatment program consisted of the following elements: 5 hours of group therapy 5 days a week, a 2 to 3 days long family visit, where a family therapy session was also included, some obligatory group activities, like trips to museums or walks in nature, and lastly, informal activities, such as barbecues, watching movies together or discussions in the hall. All this was thought to contribute to the therapy of the patients. From the second week of the program the patients were expected to have 1 hour of additional individual therapy a week. It was conducted as MI, totalling 5 hours. MI is one of the most popular and effective modern treatments. As a brief intervention, MI appears to be at least as effective as, and possibly more effective than, other treatment methods.37 As an alternative to the MI sessions half of the patients enrolled in the study could receive 5 individual hour-long sessions of hypnotherapy. These patients continued as the intervention group.

Patients were informed about the study, were given time to consider, and if they volunteered to participate then signed a consent form. Thirty-one individuals took part in this randomized controlled trial (RCT). A list of numbers generated by was used for randomization. Patients were assigned numbers from the list in the order, in which they enlisted themselves into the study. The ones who received odd numbers were assigned to the hypnotherapy group (N=16), while the ones with even numbers became control group receiving MI (N=15).

At the beginning of the second week of treatment (baseline) all the participants were administered Mini-International Neuropsychiatric Interview psychiatric interview to be able to diagnose mental problems other than AUD.38 Exclusion criteria were having psychotic episodes, a recent severe other psychiatric diagnosis or recent drug abuse other than alcohol.

In addition, all patients filled in the Alcohol Use Identification Test (AUDIT) and a Timeline Follow-back (TLFB) for registration of number of standardized alcohol units consumed and alcohol-related problems during the previous month. They also filled in the Hopkins Symptoms Check List (HSCL-25) to measure their level of mental distress. Mental distress was given as a global average of the HSCL-25 denoted Global Severity Index (GSI). The Traumatic Life Events Questionnaire was used to register traumatic life experiences. AUDIT, TLFB and HSCL-25 were readministered 1 year later as a follow-up.

The intervention consisted of hypnotherapy given as five 1-hour sessions over 5 weeks as individual therapy instead of motivational interviewing. The treatment method was Erickson (permissive) hypnosis.18 Each treatment session began with a conversation about the patient’s past life events, present situation, alcohol problem and his or her thoughts about it. To be able to use visualization, patients were always asked when and where they bought alcohol, and how it was consumed. During the first part of the treatment session the theme of the hypnotic intervention was formulated, and then hypnotic trance was induced. The induction method was mostly a combination of relaxation and breathing exercises with mental pictures of a peaceful place. Once the trance was induced, the patient was asked to visualize mastery of a selected situation. This situation was tailored according to the patient’s needs. It could include, for example, abstaining from alcohol at a party, passing an alcohol shop without going inside, or mastering another problematic issue, such as staying relaxed and calm in the presence of other people. When indicated, the events of the past were a subject of hypnotic intervention as well.

Data were analyzed using SPSS (IBM statistics) version 25, using simple bivariate analysis (Student T test or χ2 test), comparing the intervention group and the control group. Level of significance was set to P<0.05, but even higher values were considered as the risk of type II statistical errors would be substantial in the small randomized controlled trial.

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Table 1 shows that there were no group differences between those who were randomized to the experimental hypnotherapy group or the MI control group. This included sex, age, trauma experiences, diagnosis, and severity of AUD and symptoms of mental distress. There was a nonsignificant tendency for the hypnotherapy group to have a higher AUDIT score (P=0.270).



After 1 year we were able to follow-up with fewer women in the motivational interviewing group (Table 2), making the sex distribution in the groups different. Both the intervention and control groups had reduced their alcohol consumption significantly; the control group had a reduction of 296 units in the previous month (95% confidence interval, 186-406 units last month), while the intervention group reduced their consumption by 341 units in the previous month (95% confidence interval, 101-582 units last month).



There were, however, no statistically significant differences between the hypnotherapy and the motivational interviewing groups at follow-up. But there was nonsignificant tendency for the hypnotherapy group to have a lower AUDIT score at follow-up (P=0.234), so the change in AUDIT score was largest for the hypnotherapy group, albeit only on a trend level (P=0.088). This was, however, possibly a reflection of the hypnotherapy group’s having the highest portion of the patients who reported total abstinence (82% vs. 54%, P=0.148). There was a strong correlation between reporting total abstinence and AUDIT score on follow-up (Spearman ρ=0.820, P<0.001).

There was somewhat greater, but also far from significant, reduction in mental distress (GSI sum) in the hypnotherapy group compared with the control group [mean=0.75 (0.68) vs. 0.46 (SD=0.56); P=0.269].

The analyses at follow-up were also done using an intention to treat model with last (baseline) observation carried forward. There were no differences, even at trend level, between the motivational interviewing group and the hypnotherapy group using the intention to treat model. Furthermore, subgroup analysis was performed on those who did not have or did have any current or lifetime anxiety disorder, depressive disorder or psychotic disorder or any ongoing comorbid mental illness (Table 1), with no statistically significant effect of this subgrouping identified. There was, however, a trend that ongoing anxiety or depressive disorder reduced the difference between motivational interviewing and the hypnotherapy intervention groups.

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In this RCT in the treatment of AUD, patients receiving hypnotherapy did marginally better concerning alcohol use at 1-year follow-up compared with the controls. The results were not statistically significant, but possibly reflected the fact that the portion of the patients reporting total abstinence was higher in the hypnotherapy group. There was also a greater, although far from significant, reduction in mental distress in the hypnotherapy group compared with the control group.

Regretfully this study had 3 significant limitations. The first was the small group sizes, rendering the study open to type II errors. The second limitation was the study design, which was far from ideal to demonstrate and effect of hypnotherapy. Both hypnotherapy and MI were administered as add-ons, in the context of a substantial treatment program given to all patients. Any specific effect of any therapeutic effect would be difficult to establish, considering the amount of time invested in the structured program. The third limitation could be that all the treatment in intervention group was conducted by one single therapist, the first author of this paper.

Nonetheless the above mentioned positive trends could be interpreted in several ways. It could indicate that the use of 1-hour-a-week hypnotherapy sessions is neither superior nor inferior to receiving MI in addition to other therapy for the treatment of AUD. Others have found no significant differences between different psychological treatments.6 Furthermore, a meta-analysis had concluded that MI appears to be at least as effective and may possibly be more effective than other psychological treatments.37 Interpreted this way, our results may reflect positively on the effectiveness of hypnotherapy.

The results could, however, indicate that neither hypnotherapy nor MI had any additional effect over and above the substantial treatment already given to all patients, and any real effectiveness of these 2 therapeutic interventions was unlikely to be shown because of the set-up of the current study.

Both intervention and control groups were given only 5 hours of additional individual therapy. Some studies indicate that longer duration of counselling gives little additional effect in the treatment of AUD,9 but it is not certain whether this applies to hypnotherapy. In some,33 but not all36 earlier studies on hypnotherapy in AUD, the number of treatments was >5. The question of whether additional hours of hypnotherapy could have improved the outcome in the hypnotherapy group thus remains unanswered.

In our study, the size of the groups was small. It is possible that the trend in favor of the hypnotherapy group could become statistically significant with an increase in group size. We believe, however, that it is important to publish these results, because to date, only 2 RCTs investigating the use of hypnotherapy on AUD have been conducted,35,36 and our study has a long follow-up time.36

Most of the existing psychological treatment methods, such as CBT and MI appeal to reason and rational thinking. The patient who seeks treatment, wants to become sober, but emotion may often override reason. Hypnotherapy, on the other hand, allows us to address both reason and emotions, by reviving previous experiences or creating new in a course of a treatment session. The authors believe that this gives hypnotherapy advantage.

Hypnotherapy is a complex craft that, in experienced hands, can produce immediate and significant reduction in mental distress.28 It is, however, reasonable to assume that for a reduction of mental distress to contribute to stable of remission of AUD, such an effect would have to last for years. There are some indications that hypnotherapy can give lasting effects, as in the case of treatment of headaches.22 No studies have, however, directly investigated the long-term effect of hypnotherapy on anxiety or depression, the 2 major contributors to mental distress. The study by Pekala and co-workers,36 where AUD was treated with a self-hypnotic intervention, describes some lowering of mental distress. This agrees with the results of our study, even if our results are not statistically significant.

In summary, the size of the groups in our RCT on hypnotherapy for AUD was small and the setting was far from optimal. At 1-year follow-up there were no statistically significant differences between the hypnotherapy group and the motivational interviewing group, but changes in AUDIT score and mental distress were largest for the hypnotherapy group. It would be logical to conclude that hypnotherapy appears to be at least as effective as MI. Regretfully, because of the set-up of the study, both therapeutic interventions functioned as add-ons of an extensive program. In this setting the real effectiveness of MI and hypnotherapy could not be revealed. The authors however believe that hypnotherapy might have a potential, meriting further study.

We would recommend that the future researchers conduct a similar study, comparing 2 treatments without the compounding effects of another intervention, for example, 2 treatment arms in an outpatient clinic. It would be desirable to recruit larger groups and to focus both on the reduction of the mental distress and reduction in drinking.

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alcohol use disorder; hypnotherapy; motivational interviewing; randomized controlled trial

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