OPEN Foundation

Therapeutic Application

Capturing the different health conditions that PAP may adress

Reviewing the Potential of Psychedelics for the Treatment of PTSD.

Abstract

There are few medications with demonstrated efficacy for the treatment of posttraumatic stress disorder (PTSD). Treatment guidelines have unequivocally designated psychotherapy as a first line treatment for PTSD. Yet, even after psychotherapy, PTSD often remains a chronic illness, with high rates of psychiatric and medical comorbidity. Meanwhile, the search and development of drugs with new mechanisms of action has stalled. Therefore, there is an urgent need to explore not just novel compounds, but novel approaches for the treatment of PTSD. A promising new approach involves the use of psychedelic drugs. Within the past few years, two psychedelics have received breakthrough designations for psychiatric indications from the US Food and Drug Administration, and several psychedelics are currently being investigated for the treatment of PTSD. This review discusses four types of compounds: 3,4-methylenedioxymethamphetamine (MDMA), ketamine, classical psychedelics (e.g. psilocybin and LSD) and cannabinoids. We describe the therapeutic rationale, the setting in which they are being administered, and their current state of evidence in the treatment of PTSD. Each compound provides unique qualities for the treatment of PTSD, from their use to rapidly target symptoms, to their use as adjuncts to facilitate psychotherapeutic treatments. Several questions are formulated that outline an agenda for future research.
Krediet, E., Bostoen, T., Breeksema, J., van Schagen, A., Passie, T., & Vermetten, E. (2020). Reviewing the Potential of Psychedelics for the Treatment of PTSD. International Journal of Neuropsychopharmacology., https://doi.org/10.1093/ijnp/pyaa018
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Natural Psychoplastogens As Antidepressant Agents

Abstract

Increasing prevalence and burden of major depressive disorder presents an unavoidable problem for psychiatry. Existing antidepressants exert their effect only after several weeks of continuous treatment. In addition, their serious side effects and ineffectiveness in one-third of patients call for urgent action. Recent advances have given rise to the concept of psychoplastogens. These compounds are capable of fast structural and functional rearrangement of neural networks by targeting mechanisms previously implicated in the development of depression. Furthermore, evidence shows that they exert a potent acute and long-term positive effects, reaching beyond the treatment of psychiatric diseases. Several of them are naturally occurring compounds, such as psilocybin, N,N-dimethyltryptamine, and 7,8-dihydroxyflavone. Their pharmacology and effects in animal and human studies were discussed in this article.

Benko, J., & Vranková, S. (2020). Natural Psychoplastogens As Antidepressant Agents. Molecules25(5), 1172., https://doi.org/10.3390/molecules25051172
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Can MDMA help to treat addiction? Q&A with Ben Sessa

Until now, MDMA has mostly been studied in the context of treating PTSD and helping with autism. Psychiatrist Ben Sessa is now conducting the world’s first clinical study using MDMA-assisted psychotherapy to treat alcohol addiction, at the University of Bristol. According to him MDMA can be effective to treat addiction issues, because it “brings a particular emphasis on empathy and connection with the positive, loving part of the self, and that’s why it’s good for trauma.”
You often say that 2/3 of people with addictions have been traumatised or abused. Do you think there is addiction without trauma?
It depends on how you define trauma. There’s what I call ‘big T trauma’ and ‘little t trauma’. Not all people with addictions have suffered severe physical or sexual abuse. But if you ask people what was their experience of childhood, a vast majority of them will say it was cold: they didn’t feel loved or wanted, their parents weren’t really there for them. Those experiences fit in with what you’d call emotional abuse. Most people don’t recognise it as such, but they’re left feeling somewhat empty by it. It’s the most common factor in people with addictions.
Given this knowledge about where addiction comes from, why are most conventional treatments largely unsuccessful?
It’s a very difficult illness to treat, because of the availability of drugs and alcohol, the problem of social deprivation and poverty, homelessness and poor housing, racism, exclusion, poor education, lack of childcare, etc. If I had a magic wand and could instantly cure an addiction patient, but then sent them back to their dire home situation with transgenerational lack of hope, poverty and exclusion, they’re just going to pick up their addiction again. So it’s a very multidisciplinary problem with multiple factors that cause and maintain it, and we need to address all those factors.
Why then do psychedelics seem to do better in the treatment of addictions than conventional treatments?
Because underlying addiction, and many if not most chronic mental disorders, is rigidity. Stuck rigid mental narratives about self and the world, which arise early in life as a results of early experiences, in other words, the very core building blocks of our personality, which stay with us for life. The majority of mental health treatments, and certainly all the medicines we use, like SSRI’s, don’t do anything to those narratives, they just paper over the cracks and treat the overlying symptoms. In my experience, psychedelics are the best new form of pharmacology that we’ve come across that has the potential to actually tackle those narratives and allows people to build them up in a new, more positive way.
You’re currently conducting a study with MDMA to treat alcohol addiction. This is the first time MDMA is used for that indication. Why did you choose MDMA over psilocybin?
I was always interested in doing an MDMA study. Five years ago, I was in communication with MAPS about an MDMA/PTSD study. But then I got an offer from a rich benefactor which allowed me to do whatever I wanted. As I was working in addictions at the time, I decided to branch away from PTSD. I was acutely aware of alcoholism as being the number one addiction problem with a massive clinical and personal burden, and a very difficult one to treat. I also liked the fact that no-one else had ever suggested MDMA for addiction. Since trauma appears to be a big part of addictions, and MDMA has been shown to work in trauma treatment, it seemed to make sense that MDMA could work for addictions.
Do you think MDMA therapy and psilocybin therapy share the same paradigm?
They clearly have massive overlaps and similarities, for instance the fact of using a non-ordinary state of consciousness as an augmentation of psychotherapy. People would argue that MDMA isn’t a psychedelic, or at least not a classic one. However, I do think it fits into the same paradigm and I consider it a psychedelic psychotherapy tool. There are clearly also some big differences. With MDMA, you don’t get the ego dissolution that occurs on high doses of classic psychedelics. What you do get is a particular emphasis on empathy and connection with the positive, loving part of the self, and that’s why it’s good for trauma. The barrier to addressing trauma for many patients is this brick wall they hit, that prevents them from believing that they are worthy, after often spending decades believing they’re not. MDMA has this greater capacity than psilocybin to put you in a predominantly loving and warm state.
Where’s your MDMA/alcohol study at right now?
We have 14 participants, we finished dosing at the beginning of December, and we’re following everyone up to 9 months from the date of initial detox, so that will be until June. We’re assessing and analysing the data, and we’re writing the papers, which will be published in the first half of this year. This is a safety and tolerability study, with no placebo control group, which is what you have to do when using a new drug in a new condition for the first time. Obviously, we’re also looking at the subjects’ drinking behaviour and maintenance of abstinence and we’ll report on that, and the results look extremely promising. With conventional therapy, about 80% of patients go back to drinking in the next few months, and so far we have about 17% of people who went back to drinking again.
In his talk at ICPR 2020, Ben Sessa will elaborate on his MDMA/alcohol study and sketch future perspectives of psychedelic therapy research.

Psilocybin Therapeutic Research: The Present and Future Paradigm

Abstract

Psilocybin, an active component in “magic mushroom”, may have the potential to meet the therapeutic needs for a number of indications without the addictiveness and overdose risk of other mind-altering drugs, such as cocaine, heroin, alcohol, methamphetamine, and so forth. The need for new therapies is urgent because addiction, overdose, and suicide deaths have risen throughout the United States and around the world. Anecdotal and contemporary pharmacological reports have provided some indication about the therapeutic use of psilocybin for the treatment of mental health disorders such as major depressive disorder and addiction disorders. In this Viewpoint, I summarize the current state of psilocybin therapeutic research and attempt to provide some insight into future directions on which the scientific community may wish to focus.

Kargbo, R. B. (2020). Psilocybin Therapeutic Research: The Present and Future Paradigm. ACS Medicinal Chemistry Letters11(4), 399-402.; 10.1021/acsmedchemlett.0c00048

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Psychedelics and Dying Care: A Historical Look at the Relationship Between Psychedelics and Palliative Care

Abstract

This article examines the historical relationship between psychedelics and palliative care. Historians have contributed to a growing field of studies about how psychedelics have been used in the past, but much of that scholarship focused on interrogating questions of legitimacy or proving that psychedelics had therapeutic potential. Palliative care had not yet developed as medical sub-specialty, more often leaving dying care on the margins of modern, pharmaceutical-based treatments. As psychedelic researchers in the 1950s began exploring different applications for psychoactive substances such as LSD and mescaline, however, dying care came into clearer focus as a potential avenue for psychedelics. Before that application gained momentum in clinical or philosophical discussions, psychedelics were criminalized and some of those early discussions were lost. This article looks back at historical discussions about LSD’s potential for easing the anxiety associated with dying, and considers how those early conversations might offer insights into today’s more articulated discussions about psychedelics in palliative care.
Dyck, E. (2019). Psychedelics and dying care: A historical look at the relationship between psychedelics and palliative care. Journal of psychoactive drugs51(2), 102-107., https://doi.org/10.1080/02791072.2019.1581308
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Posttraumatic Growth After MDMA-Assisted Psychotherapy for Posttraumatic Stress Disorder

Abstract

3,4-Methylenedioxymethamphetamine (MDMA)-assisted psychotherapy for posttraumatic stress disorder (PTSD) has been shown to significantly reduce clinical symptomatology, but posttraumatic growth (PTG), which consists of positive changes in self-perception, interpersonal relationships, or philosophy of life, has not been studied with this treatment. Participant data (n = 60) were pooled from three Phase 2 clinical studies employing triple-blind crossover designs. Participants were required to meet DSM-IV-R criteria for PTSD with a score higher than 50 on the Clinician-Administered PTSD Scale (CAPS-IV) as well as previous inadequate response to pharmacological and/or psychotherapeutic treatment. Data were aggregated into two groups: an active MDMA dose group (75-125 mg of MDMA; n = 45) or placebo/active control (0-40 mg of MDMA; n = 15). Measures included the Posttraumatic Growth Inventory (PTGI) and the CAPS-IV, which were administered at baseline, primary endpoint, treatment exit, and 12-month follow-up. At primary endpoint, the MDMA group demonstrated more PTG, Hedges’ g = 1.14, 95% CI [0.49, 1.78], p < .001; and a larger reduction in PTSD symptom severity, Hedges’ g = 0.88, 95% CI [-0.28, 1.50], p < .001, relative to the control group. Relative to baseline, at the 12-month follow-up, within-subject PTG was higher, p < .001; PTSD symptom severity scores were lower, p < .001; and two-thirds of participants (67.2%) no longer met criteria for PTSD. MDMA-assisted psychotherapy for PTSD resulted in PTG and clinical symptom reductions of large-magnitude effect sizes. Results suggest that PTG may provide a new mechanism of action warranting further study.

Gorman, I., Belser, A. B., Jerome, L., Hennigan, C., Shechet, B., Hamilton, S., Yazar-Klosinski, B., Emerson, A., & Feduccia, A. A. (2020). Posttraumatic Growth After MDMA-Assisted Psychotherapy for Posttraumatic Stress Disorder. Journal of traumatic stress, 33(2), 161–170. https://doi.org/10.1002/jts.22479

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Posttraumatic Growth After MDMA‐Assisted Psychotherapy for Posttraumatic Stress Disorder

Abstract

3,4‐Methylenedioxymethamphetamine (MDMA)–assisted psychotherapy for posttraumatic stress disorder (PTSD) has been shown to significantly reduce clinical symptomatology, but posttraumatic growth (PTG), which consists of positive changes in self‐perception, interpersonal relationships, or philosophy of life, has not been studied with this treatment. Participant data (n = 60) were pooled from three Phase 2 clinical studies employing triple‐blind crossover designs. Participants were required to meet DSM‐IV‐R criteria for PTSD with a score higher than 50 on the Clinician‐Administered PTSD Scale (CAPS‐IV) as well as previous inadequate response to pharmacological and/or psychotherapeutic treatment. Data were aggregated into two groups: an active MDMA dose group (75–125 mg of MDMA; n = 45) or placebo/active control (0–40 mg of MDMA; n = 15). Measures included the Posttraumatic Growth Inventory (PTGI) and the CAPS‐IV, which were administered at baseline, primary endpoint, treatment exit, and 12‐month follow‐up. At primary endpoint, the MDMA group demonstrated more PTG, Hedges’ g = 1.14, 95% CI [0.49, 1.78], p < .001; and a larger reduction in PTSD symptom severity, Hedges’ g = 0.88, 95% CI [−0.28, 1.50], p < .001, relative to the control group. Relative to baseline, at the 12‐month follow‐up, within‐subject PTG was higher, p < .001; PTSD symptom severity scores were lower, p < .001; and two‐thirds of participants (67.2%) no longer met criteria for PTSD. MDMA‐assisted psychotherapy for PTSD resulted in PTG and clinical symptom reductions of large‐magnitude effect sizes. Results suggest that PTG may provide a new mechanism of action warranting further study.
Gorman, I., Belser, A. B., Jerome, L., Hennigan, C., Shechet, B., Hamilton, S., … & Feduccia, A. A. (2020). Posttraumatic Growth After MDMA‐Assisted Psychotherapy for Posttraumatic Stress Disorder. Journal of Traumatic Stress., https://doi.org/10.1002/jts.22479

Benefit-Risk Assessment of Esketamine Nasal Spray vs. Placebo in Treatment-Resistant Depression

Abstract

This post hoc analysis assessed the benefit-risk profile of esketamine nasal spray + oral antidepressant (AD) induction and maintenance treatment in patients with treatment-resistant depression (TRD). The Benefit-Risk Action Team framework was utilized to assess the benefit-risk profile using data from three induction studies and one maintenance study. Benefits were proportion of remitters or responders in induction studies and proportion of stable remitters or stable responders who remained relapse-free in the maintenance study. Risks were death, suicidal ideation, most common adverse events (AEs), and potential long-term risks. Per 100 patients on esketamine + AD vs. AD + placebo in induction therapy, 5-21 additional patients would remit and 14-17 additional patients would respond. In maintenance therapy, 19-32 fewer relapses would occur with esketamine. In both cases, there was little difference in serious or severe common AEs (primarily dissociation, vertigo, and dizziness). These findings support a positive benefit-risk balance for esketamine + AD as induction and maintenance treatment in patients with TRD.
McIntyre, R. S., Rosenblat, J. D., Nemeroff, C. B., Sanacora, G., Murrough, J. W., Berk, M., … & Stahl, S. (2021). Synthesizing the Evidence for Ketamine and Esketamine in Treatment-Resistant Depression: An International Expert Opinion on the Available Evidence and Implementation. American Journal of Psychiatry, appi-ajp., https://doi.org/10.1002/cpt.2024
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A review of emerging therapeutic potential of psychedelic drugs in the treatment of psychiatric illnesses

Abstract

Though there was initial interest in the use of psychedelic drugs for psychiatric treatment, bad outcomes and subsequent passage of the Substance Act of 1970, which placed psychedelic drugs in the Schedule I category, significantly limited potential progress. More recently, however, there has been renewal in interest and promise of psychedelic research. The purpose of this review is to highlight contemporary human studies on the use of select psychedelic drugs, such as psilocybin, LSD, MDMA and ayahuasca, in the treatment of various psychiatric illnesses, including but not limited to treatment-resistant depression, post-traumatic stress disorder, end-of-life anxiety, and substance use disorders. The safety and efficacy as reported from human and animal studies will also be discussed. Accumulated research to date has suggested the potential for psychedelics to emerge as breakthrough therapies for psychiatric conditions refractory to conventional treatments. However, given the unique history and high potential for misuse with popular distribution, special care and considerations must be undertaken to safeguard their use as viable medical treatments rather than drugs of abuse.

Chi, T., & Gold, J. A. (2020). A review of emerging therapeutic potential of psychedelic drugs in the treatment of psychiatric illnesses. Journal of the Neurological Sciences, 116715., 10.1016/j.jns.2020.116715
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Persisting Reductions in Cannabis, Opioid, and Stimulant Misuse After Naturalistic Psychedelic Use: An Online Survey.

Abstract

Background: Observational data and preliminary studies suggest serotonin 2A agonist psychedelics may hold potential in treating a variety of substance use disorders (SUDs), including opioid use disorder (OUD).

Aims: The study aim was to describe and analyze self-reported cases in which naturalistic psychedelic use was followed by cessation or reduction in other substance use.

Methods: An anonymous online survey of individuals reporting cessation or reduction in cannabis, opioid, or stimulant use following psychedelic use in non-clinical settings.

Results: Four hundred forty-four respondents, mostly in the USA (67%) completed the survey. Participants reported 4.5 years of problematic substance use on average before the psychedelic experience to which they attributed a reduction in drug consumption, with 79% meeting retrospective criteria for severe SUD. Most reported taking a moderate or high dose of LSD (43%) or psilocybin-containing mushrooms (29%), followed by significant reduction in drug consumption. Before the psychedelic experience 96% met SUD criteria, whereas only 27% met SUD criteria afterward. Participants rated their psychedelic experience as highly meaningful and insightful, with 28% endorsing psychedelic-associated changes in life priorities or values as facilitating reduced substance misuse. Greater psychedelic dose, insight, mystical-type effects, and personal meaning of experiences were associated with greater reduction in drug consumption.

Conclusions: While these cross-sectional and self-report methods cannot determine whether psychedelics caused changes in drug use, results suggest the potential that psychedelics cause reductions in problematic substance use, and support additional clinical research on psychedelic-assisted treatment for SUD.

Garcia-Romeu, A., Davis, A. K., Erowid, E., Griffiths, R. R., & Johnson, M. W. (2020). Persisting reductions in cannabis, opioid, and stimulant misuse after naturalistic psychedelic use: An online survey. Frontiers in psychiatry10, 955; 10.3389/fpsyt.2019.00955
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