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M. Carvalho

Potential Use of Ayahuasca in Grief Therapy

May 30, 2017 / Ayahuasca, Papers, Psychology / By / , , , ,

Abstract

The death of a loved one is ultimately a universal experience. However, conventional interventions employed for people suffering with uncomplicated grief have gathered little empirical support. The present study aimed to explore the potential effects of ayahuasca on grief. We compared 30 people who had taken ayahuasca with 30 people who had attended peer-support groups, measuring level of grief and experiential avoidance. We also examined themes in participant responses to an open-ended question regarding their experiences with ayahuasca. The ayahuasca group presented a lower level of grief in the Present Feelings Scale of Texas Revised Inventory of Grief, showing benefits in some psychological and interpersonal dimensions. Qualitative responses described experiences of emotional release, biographical memories, and experiences of contact with the deceased. Additionally, some benefits were identified regarding the ayahuasca experiences. These results provide preliminary data about the potential of ayahuasca as a therapeutic tool in treatments for grief.
González, D., Carvalho, M., Cantillo, J., Aixalá, M., & Farré, M. (2017). Potential Use of Ayahuasca in Grief Therapy. OMEGA-Journal of Death and Dying, 0030222817710879.
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Tackling Harm Reduction, Human Rights and Drug Uses on Recreational Environments: Tensions, Potentialities and Learnings from the Kosmicare Project (Portugal)

January 16, 2017 / Papers, Psychology / By / , , ,

Abstract

This paper is organized into four parts of discussion. Firstly, we present the Portuguese decriminalization law and the central role of harm reduction within this framework. The second section discusses the mainstream meanings ascribed to the ‘HR double’ mainly anchored in problematic drug uses. The third section highlights the need to take into account the specificities of recreational drug uses, users and environments. Thus, the paper highlights the experience of the Kosmicare Project at the Boom Festival, which combines principles of harm reduction, crisis intervention and Grof’s approach. The fourth section draws upon the project’s experience itself and in the idea of the normalization of drug uses to acknowledge and to discuss the potentialities, tensions and limitations of these contributions when it comes to analyzing and constructing a strong version of the ‘HR double’.
Soares, M., Carvalho, M. C., Valbom, M., & Rodrigues, T. (2017). Tackling Harm Reduction, Human Rights and Drug Uses on Recreational Environments: Tensions, Potentialities and Learnings from the Kosmicare Project (Portugal). Revista Crítica de Ciências Sociais, (112), 3-24. 10.4000/rccs.6535
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The hallucinogenic world of tryptamines: an updated review

April 16, 2015 / DMT, LSD, Mushrooms / Psilocybin, Papers, Pharmacology & Chemistry, Psychology, Publications / By / , , , ,

Abstract

In the area of psychotropic drugs, tryptamines are known to be a broad class of classical or serotonergic hallucinogens. These drugs are capable of producing profound changes in sensory perception, mood and thought in humans and act primarily as agonists of the 5-HT2A receptor. Well-known tryptamines such as psilocybin contained in Aztec sacred mushrooms and N,N-dimethyltryptamine (DMT), present in South American psychoactive beverage ayahuasca, have been restrictedly used since ancient times in sociocultural and ritual contexts. However, with the discovery of hallucinogenic properties of lysergic acid diethylamide (LSD) in mid-1900s, tryptamines began to be used recreationally among young people. More recently, new synthetically produced tryptamine hallucinogens, such as alpha-methyltryptamine (AMT), 5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT) and 5-methoxy-N,N-diisopropyltryptamine (5-MeO-DIPT), emerged in the recreational drug market, which have been claimed as the next-generation designer drugs to replace LSD (‘legal’ alternatives to LSD). Tryptamine derivatives are widely accessible over the Internet through companies selling them as ‘research chemicals’, but can also be sold in ‘headshops’ and street dealers. Reports of intoxication and deaths related to the use of new tryptamines have been described over the last years, raising international concern over tryptamines. However, the lack of literature pertaining to pharmacological and toxicological properties of new tryptamine hallucinogens hampers the assessment of their actual potential harm to general public health. This review provides a comprehensive update on tryptamine hallucinogens, concerning their historical background, prevalence, patterns of use and legal status, chemistry, toxicokinetics, toxicodynamics and their physiological and toxicological effects on animals and humans.

Araújo, A. M., Carvalho, F., de Lourdes Bastos, M., de Pinho, P. G., & Carvalho, M. (2015). The hallucinogenic world of tryptamines: an updated review. Archives of toxicology, 1-23. https://dx.doi.org/10.1007/s00204-015-1513-x
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Crisis Intervention Related to the Use of Psychoactive Substances in Recreational Settings – Evaluating the Kosmicare Project at Boom Festival

January 28, 2015 / Ketamine, LSD, MDMA, Mushrooms / Psilocybin, Papers, Psychology, Psychotic Disorders, Publications / By / , , , , , ,

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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