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Editorial (Thematic Issue: Introduction to 'Beneficial Effects of Psychedelics with a Special Focus on Addictions')

Editorial

Introduction to ‘Beneficial Effects of Psychedelics with a Special Focus on Addictions’

We are witnessing a revival of psychedelic research. An increasing number of studies investigating the therapeutic use of psychedelics are currently underway at some of the most renowned universities. Dedicating a second issue of ‘Current Drug Abuse Reviews’ to psychedelics aims to keep up with this blossoming field. With the availability of modern scientific instruments, psychedelic research is once again gaining a firm foothold in academia.

The idea of this special issue originated at the Interdisciplinary Conference on Psychedelic Research, organised by the OPEN Foundation in 2012. OPEN was founded in 2007 in the Netherlands, in order to stimulate and advance scientific research into psychedelics. This special issue of CDAR takes an interdisciplinary approach to the topic of psychedelics and mental health, while maintaining a particular focus on applications of psychedelics in the fields of substance abuse and addiction. This special issue also takes a critical look at some widespread assumptions about psychedelics, introduces new ideas and suggests novel directions for future research.

Kortekaas, R., & Breeksema, J. J. (2015). Introduction to ‘Beneficial Effects of Psychedelics with a Special Focus on Addictions’. Current Drug Abuse Reviews, 7(2), 69-70. https://dx.doi.org/10.2174/1874473708666150120114604

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Articles in this special issue:

Editorial (Thematic Issue: Introduction to ‘Beneficial Effects of Psychedelics with a Special Focus on Addictions’)
Ayahuasca, Psychedelic Studies and Health Sciences: The Politics of Knowledge and Inquiry into an Amazonian Plant Brew
Crisis Intervention Related to the Use of Psychoactive Substances in Recreational Settings – Evaluating the Kosmicare Project at Boom Festival
Psychedelics as Medicines for Substance Abuse Rehabilitation: Evaluating Treatments with LSD, Peyote, Ibogaine and Ayahuasca
A Qualitative Report on the Subjective Experience of Intravenous Psilocybin Administered in an fMRI Environment
Salvinorin A and Related Compounds as Therapeutic Drugs for Psychostimulant-Related Disorders

Editorial (Thematic Issue: Introduction to ‘Beneficial Effects of Psychedelics with a Special Focus on Addictions’)

Editorial

Introduction to ‘Beneficial Effects of Psychedelics with a Special Focus on Addictions’

We are witnessing a revival of psychedelic research. An increasing number of studies investigating the therapeutic use of psychedelics are currently underway at some of the most renowned universities. Dedicating a second issue of ‘Current Drug Abuse Reviews’ to psychedelics aims to keep up with this blossoming field. With the availability of modern scientific instruments, psychedelic research is once again gaining a firm foothold in academia.

The idea of this special issue originated at the Interdisciplinary Conference on Psychedelic Research, organised by the OPEN Foundation in 2012. OPEN was founded in 2007 in the Netherlands, in order to stimulate and advance scientific research into psychedelics. This special issue of CDAR takes an interdisciplinary approach to the topic of psychedelics and mental health, while maintaining a particular focus on applications of psychedelics in the fields of substance abuse and addiction. This special issue also takes a critical look at some widespread assumptions about psychedelics, introduces new ideas and suggests novel directions for future research.

Kortekaas, R., & Breeksema, J. J. (2015). Introduction to ‘Beneficial Effects of Psychedelics with a Special Focus on Addictions’. Current Drug Abuse Reviews, 7(2), 69-70. https://dx.doi.org/10.2174/1874473708666150120114604

Link to full text

Articles in this special issue:

Editorial (Thematic Issue: Introduction to ‘Beneficial Effects of Psychedelics with a Special Focus on Addictions’)
Ayahuasca, Psychedelic Studies and Health Sciences: The Politics of Knowledge and Inquiry into an Amazonian Plant Brew
Crisis Intervention Related to the Use of Psychoactive Substances in Recreational Settings – Evaluating the Kosmicare Project at Boom Festival
Psychedelics as Medicines for Substance Abuse Rehabilitation: Evaluating Treatments with LSD, Peyote, Ibogaine and Ayahuasca
A Qualitative Report on the Subjective Experience of Intravenous Psilocybin Administered in an fMRI Environment
Salvinorin A and Related Compounds as Therapeutic Drugs for Psychostimulant-Related Disorders

Crisis Intervention Related to the Use of Psychoactive Substances in Recreational Settings – Evaluating the Kosmicare Project at Boom Festival

Abstract

Kosmicare project implements crisis intervention in situations related to the use of psychoactive substances at Boom Festival (Portugal). We present evaluation research that aims to contribute to the transformation of the project into an evidence-based intervention model. It relies on harm reduction and risk minimization principles, crisis intervention models, and Grof’s psychedelic psychotherapy approach for crisis intervention in situations related to unsupervised use of psychedelics. Intervention was expected to produce knowledge about the relation between substance use and mental health impact in reducing potential risk related to the use of psychoactive substances and mental illness, as well as an impact upon target population’s views of themselves, their relationship to substance use, and to life events in general. Research includes data on process and outcome indicators through a mixed methods approach, collected next to a sample of n=176 participants. Sample size varied considerably, however, among different research measures. 52% of Kosmicare visitors reported LSD use. Over 40% also presented multiple drug use. Pre-post mental state evaluation showed statistically significant difference (p<.05) confirming crisis resolution. Crisis episodes that presented no resolution were more often related with mental health outburst episodes, with psychoactive substance use or not. Visitors showed high satisfaction with intervention (n=58) and according to follow-up (n=18) this perception was stable over time. Crisis intervention was experienced as very significant. We discuss limitations and implications of evaluating natural setting based interventions, and the relation between psychoactive substance use and psychopathology. Other data on visitor’s profile and vulnerability to crisis showed inconclusive.

Carvalho, M. C., de Sousa, M. P., Frango, P., Dias, P., Carvalho, J., Rodrigues, M., & Rodrigues, T. (2015). Crisis Intervention Related to the Use of Psychoactive Substances in Recreational Settings-Evaluating the Kosmicare Project at Boom Festival. Current Drug Abuse Reviews, 7(2), 81-100. https://dx.doi.org/10.2174/1874473708666150107115515

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Psychedelics as Medicines for Substance Abuse Rehabilitation: Evaluating Treatments with LSD, Peyote, Ibogaine and Ayahuasca

Abstract

Substances known as psychedelics, hallucinogens and entheogens have been employed in ethnomedical traditions for thousands of years, but after promising uses in the 1950’s and 1960’s they were largely prohibited in medical treatment and human research starting in the 1970’s as part of the fallout from the war on drugs. Nonetheless, there are a number of studies which suggest that these substances have potential applications in the treatment of addictions. While these substances are generally classified as Schedule I, alleging no established medical uses and a high drug abuse potential, there is nonetheless evidence indicating they might be safe and effective tools for short term interventions in addictions treatment. Evidence suggests that the psychedelics have a much greater safety profile than the major addictive drugs, having extremely low levels of mortality, and producing little if any physical dependence. This paper reviews studies evaluating the use of LSD, peyote, ibogaine and ayahuasca in the treatment of dependencies and the possible mechanisms underlying the indications of effectiveness. Evidence suggests that these substances help assist recovery from drug dependency through a variety of therapeutic mechanisms, including a notable “after-glow” effect that in part reflects their action on the serotonin neurotransmitter system. Serotonin has been long recognized as central to the psychedelics’ well-known phenomenological, physical, emotional and cognitive dynamics. These serotonin-based dynamics are directly relevant to treatment of addiction because of depressed serotonin levels found in addict populations, as well as the role of serotonin as a neuromodulators affecting many other neurotransmitter systems.

Winkelman, M. (2015). Psychedelics as Medicines for Substance Abuse Rehabilitation: Evaluating Treatments with LSD, Peyote, Ibogaine and Ayahuasca. Current Drug Abuse Reviews, 7(2), 101-116. https://dx.doi.org/10.2174/1874473708666150107120011

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Sustained subjective benefits of LSD for the treatment of end-of-life anxiety

LSD_clinical_trial_bottle_small

Earlier, we reported on the first study with LSD in human subjects in more than forty years, conducted in Switzerland by Peter Gasser and his team. A follow-up of this study [1], based on qualitative interviews with participants, indicates lasting positive outcomes.

The original double-blind, placebo-controlled study was carried out on a sample of twelve subjects, nine of which went on to complete the full course of the study, including the 12-month follow-up. The participants, all terminally ill, underwent 6-8 non-drug psychotherapeutic sessions and two LSD experiences conducted by a co-therapist dyad. The four subjects who initially received the active placebo of 20µg of LSD were offered the possibility to take two full experimental 200µg-doses of LSD at the end of the actual study, an opportunity that was taken by three of them, who were subsequently included in the qualitative interviews.

All subjects had previously displayed significant anxiety and/or depression related to their life-threatening health situation. All of them reported considerable long-term benefits, among which are reduced anxiety, less fear of death, and an improved quality of life. Interestingly, most of them also reported positive changes in personality, which could be a subjective confirmation of the quantitative measures of trait anxiety (as opposed to state anxiety) that were reported. These trait measures dropped significantly after the LSD sessions, and remained low at the 12-month follow-up [2].

In subjective reports of the LSD sessions, participants described facilitated access to emotions and catharsis. Facing a short life prognosis, they reported that LSD intensified and allowed expression of associated emotions. The interviews suggest the patients benefited from this intensified emotional experience. LSD also enabled them to view themselves and their difficult situation in a new, broader perspective. “Dying is as usual or unusual as life itself,” said one patient. “I simply have to familiarize myself with the idea and the process.” The patients also reported drastic shifts in emotions during or between the two sessions, usually beginning with ‘negative’ feelings related to their life situation, such as anxiety, depression and hopelessness. This reportedly negative emotional state transformed into a positive one, felt with an intensity never experienced before and lasting for at least one year after the sessions. Although they were facing ongoing severe somatic diseases, none of the participants reported any adverse effects from the psychedelic sessions.

Another interesting aspect is the approach that was chosen. Two different approaches emerged from the early research with LSD between the 1950s and the 1970s. In psycholytic therapy, used mainly in Europe, patients underwent a high number of psychoanalytically oriented psychotherapeutic sessions with low to medium dosages of LSD (50-100 µg). The psychedelic approach, on the other hand, aimed to elicit mystical or peak experiences in patients by administering them high doses (200-500 µg) in a limited number of sessions. This latter method was more frequently used in the United States, and up to now, it is the only approach that was used in the treatment of end-of-life anxiety.

In the Swiss study, the approach was very much akin to the psychedelic method, however staying on the low side of the dosage range. The setting was also somewhat looser than in the traditional psychedelic approach, where the subject kept on eyeshades most of the time while listening to music through headphones. Most of the resulting experiences could be described as ‘peak experiences’, but do not match the criteria for full mystical experiences. These two types of experiences can be quite similar. Ego boundaries are loosened in peak experiences, but don’t dissolve completely as in mystical experiences. Intellectual functions also stay intact to a greater degree, which allows for a higher degree of interaction between subject and guiding therapists than in the traditional psychedelic approach. These peak experiences seem to be the main psychological mechanism of action involved, much more so than the cognitive and psychodynamic experiences that are also frequent as a result of LSD administration.

The Swiss study’s approach certainly has advantages, one of which being that it seems to normalize the results for all participants. In past studies with psychedelics for end-of-life anxiety, conducted during the first era of psychedelic research, the typical outcome would show a dramatic improvement in about one-third of the subjects, a moderate improvement in another third, and no significant changes in the remaining third [3]. In the present study, remarkably, every single patient experienced significant improvement, although none reported ‘dramatic’ effects. This result certainly warrants further study, especially in light of the development of different therapeutic approaches to be used in psychedelic therapy.


 
[1] Gasser, P., Kirchner, K., & Passie, T. (2014).
[2] Gasser, P., Holstein, D., Michel, Y., Doblin, R., Yazar-Klosinski, B., Passie, T., & Brenneisen, R. (2014).
[3] Kurland, A.A. (1985).
 
References
Gasser, P., Kirchner, K. & Passie, T. (2014). LSD-assisted psychotherapy for anxiety associated with a life-threatening disease: A qualitative study of acute and sustained subjective effects. Journal of Psychopharmacology, 29(1), 57-68. [Abstract]
Gasser, P., Holstein, D., Michel, Y., Doblin, R., Yazar-Klosinski, B., Passie, T., & Brenneisen, R. (2014). Safety and Efficacy of Lysergic Acid Diethylamide-Assisted Psychotherapy for Anxiety Associated With Life-threatening Diseases. The Journal of Nervous and Mental Disease, 202(7), 513–520. [Abstract]
Kurland, A.A. (1985). LSD in the supportive care of the terminally ill cancer patient. Journal of Psychoactive Drugs, 17(4), 279–290. [Link to full text]

Classic psychedelic use is associated with reduced psychological distress and suicidality in the United States adult population

Abstract

Mental health problems are endemic across the globe, and suicide, a strong corollary of poor mental health, is a leading cause of death. Classic psychedelic use may occasion lasting improvements in mental health, but the effects of classic psychedelic use on suicidality are unknown. We evaluated the relationships of classic psychedelic use with psychological distress and suicidality among over 190,000 USA adult respondents pooled from the last five available years of the National Survey on Drug Use and Health (2008–2012) while controlling for a range of covariates. Lifetime classic psychedelic use was associated with a significantly reduced odds of past month psychological distress (weighted odds ratio (OR)=0.81 (0.72–0.91)), past year suicidal thinking (weighted OR=0.86 (0.78–0.94)), past year suicidal planning (weighted OR=0.71 (0.54–0.94)), and past year suicide attempt (weighted OR=0.64 (0.46–0.89)), whereas lifetime illicit use of other drugs was largely associated with an increased likelihood of these outcomes. These findings indicate that classic psychedelics may hold promise in the prevention of suicide, supporting the view that classic psychedelics’ most highly restricted legal status should be reconsidered to facilitate scientific study, and suggesting that more extensive clinical research with classic psychedelics is warranted.

Hendricks, P. S., Thorne, C. B., Clark, C. B., Coombs, D. W., & Johnson, M. W. (2015). Classic psychedelic use is associated with reduced psychological distress and suicidality in the United States adult population. Journal of Psychopharmacology. https://dx.doi.org/10.1177/0269881114565653

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Can psychedelic compounds play a part in drug dependence therapy?

Abstract

After a 40-year hiatus there is now a revisiting of psychedelic drug therapy throughout psychiatry, with studies examining the drugs psilocybin, ketamine, ibogaine and ayahuasca in the treatment of drug dependence. Limitations to these therapies are both clinical and legal, but the possibility of improving outcomes for patients with substance dependency imposes an obligation to research this area.

Sessa, B., & Johnson, M. W. (2015). Can psychedelic compounds play a part in drug dependence therapy? The British Journal of Psychiatry, 206, 1-3. https://dx.doi.org/10.1192/bjp.bp.114.148031

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Psychedelic-facilitated smoking cessation: An online survey

Abstract

Aims:
Pilot laboratory results suggest psilocybin may be an efficacious adjunct to smoking cessation treatment. However, no study has examined smoking cessation after psychedelic use in naturalistic settings.
Methods:
We are conducting an online survey collecting demographics, smoking history, and other data from people who self-report quitting/reducing smoking after taking a psychedelic.
Results:
Among current completers (N=164), LSD (49%) and psilocybin (32%) were the drugs most commonly associated with quitting/reducing, with a mode of 2-5 lifetime uses each. Participants reported smoking a mean of 12 cigs/day for a mean of 8 yrs before the experience. 62(38%) reported total and continuing abstinence after their experience, with 29 of the 62 (47%) reporting >1yr abstinence, and 7 (11%) reporting >10 yrs abstinence. Another 67 of the 164 (41%) reported persisting smoking reduction, from a mode of 10-20 cigs/day before, to a mode of <1 cig/month after the experience. The remaining 35 (21%) reported temporary reduction, with 6 of the 35 (17%) reporting >1 yr reduction. Although the majority of withdrawal symptoms were rated as equal in severity to previous quit attempts, depression, irritability, anxiety, and craving were rated as “much less severe.” 141 of the 164 (86%) reported no premeditated intention to quit/reduce smoking, and 159 (97%) described their experience as highly meaningful, with
97 (59%) considering it among the 10 most meaningful experiences of their lives. Participants cited changed life priorities/values (26%), strengthened belief in their ability to quit (26%), and changed future orientation (17%) as the most important effects leading to quitting/reducing. Other changes reported after psychedelic use included reduced alcohol (38%) and other drug use (23%).
Conclusions:
Psychedelics may prompt temporary or prolonged smoking cessation, suggesting that careful administration in a treatment context may enhance motivation in changing addictive behaviors. Psychological and neurobiological mechanisms underlying such behavioral changes require further investigation.

Garcia-Romeu, A. P., Griffiths, R. R., & Johnson, M. W. (2015). Psychedelic-facilitated smoking cessation: An online survey. Drug and Alcohol Dependence, (146), e120. http://dx.doi.org/10.1016/j.drugalcdep.2014.09.245
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Development and validation of a rapid turboflow LC-MS/MS method for the quantification of LSD and 2-oxo-3-hydroxy LSD in serum and urine samples of emergency toxicological cases

Abstract

Lysergic acid diethylamide (LSD) is a widely used recreational drug. The aim of the present study is to develop a quantitative turboflow LC-MS/MS method that can be used for rapid quantification of LSD and its main metabolite 2-oxo-3-hydroxy LSD (O-H-LSD) in serum and urine in emergency toxicological cases without time-consuming extraction steps. The method was developed on an ion-trap LC-MS/MS instrument coupled to a turbulent-flow extraction system. The validation data showed no significant matrix effects and no ion suppression has been observed in serum and urine. Mean intraday accuracy and precision for LSD were 101 and 6.84 %, in urine samples and 97.40 and 5.89 % in serum, respectively. For O-H-LSD, the respective values were 97.50 and 4.99 % in urine and 107 and 4.70 % in serum. Mean interday accuracy and precision for LSD were 100 and 8.26 % in urine and 101 and 6.56 % in serum, respectively. For O-H-LSD, the respective values were 101 and 8.11 % in urine and 99.8 and 8.35 % in serum, respectively. The lower limit of quantification for LSD was determined to be 0.1 ng/ml. LSD concentrations in serum were expected to be up to 8 ng/ml. 2-Oxo-3-hydroxy LSD concentrations in urine up to 250 ng/ml. The new method was accurate and precise in the range of expected serum and urine concentrations in patients with a suspected LSD intoxication. Until now, the method has been applied in five cases with suspected LSD intoxication where the intake of the drug has been verified four times with LSD concentrations in serum in the range of 1.80–14.70 ng/ml and once with a LSD concentration of 1.25 ng/ml in urine. In serum of two patients, the O-H-LSD concentration was determined to be 0.99 and 0.45 ng/ml. In the urine of a third patient, the O-H-LSD concentration was 9.70 ng/ml.

Dolder, P. C., Liechti, M. E., & Rentsch, K. M. (2015). Development and validation of a rapid turboflow LC-MS/MS method for the quantification of LSD and 2-oxo-3-hydroxy LSD in serum and urine samples of emergency toxicological cases. Analytical and bioanalytical chemistry, 407(6), 1577-1584. http://dx.doi.org/10.1007/s00216-014-8388-1

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Acute Effects of Lysergic Acid Diethylamide in Healthy Subjects

Abstract

Background

After no research in humans for >40 years, there is renewed interest in using lysergic acid diethylamide (LSD) in clinical psychiatric research and practice. There are no modern studies on the subjective and autonomic effects of LSD, and its endocrine effects are unknown. In animals, LSD disrupts prepulse inhibition (PPI) of the acoustic startle response, and patients with schizophrenia exhibit similar impairments in PPI. However, no data are available on the effects of LSD on PPI in humans.

Methods

In a double-blind, randomized, placebo-controlled, crossover study, LSD (200 μg) and placebo were administered to 16 healthy subjects (8 women, 8 men). Outcome measures included psychometric scales; investigator ratings; PPI of the acoustic startle response; and autonomic, endocrine, and adverse effects.

Results

Administration of LSD to healthy subjects produced pronounced alterations in waking consciousness that lasted 12 hours. The predominant effects induced by LSD included visual hallucinations, audiovisual synesthesia, and positively experienced derealization and depersonalization phenomena. Subjective well-being, happiness, closeness to others, openness, and trust were increased by LSD. Compared with placebo, LSD decreased PPI. LSD significantly increased blood pressure, heart rate, body temperature, pupil size, plasma cortisol, prolactin, oxytocin, and epinephrine. Adverse effects produced by LSD completely subsided within 72 hours. No severe acute adverse effects were observed.

Conclusions

In addition to marked hallucinogenic effects, LSD exerts methylenedioxymethamphetamine-like empathogenic mood effects that may be useful in psychotherapy. LSD altered sensorimotor gating in a human model of psychosis, supporting the use of LSD in translational psychiatric research. In a controlled clinical setting, LSD can be used safely, but it produces significant sympathomimetic stimulation.

Schmid, Y., Enzler, F., Gasser, P., Grouzmann, E., Preller, K. H., Vollenweider, F. X., … & Liechti, M. E. (2014). Acute Effects of Lysergic Acid Diethylamide in Healthy Subjects. Biological psychiatry. https://dx.doi.org/doi:10.1016/j.biopsych.2014.11.015
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