OPEN Foundation

W. Richards

Human hallucinogen research: guidelines for safety

July 1, 2008 / Ayahuasca, Cacti / Mescaline, DMT, Iboga / Ibogaine, Ketamine, LSD, MDMA, Medicine, Mushrooms / Psilocybin, Neuroscience, Other substances, Papers, Psychiatry, Psychology, Psychopharmacology, Publications, Safety, Salvia / Salvinorin A / By / , ,

Abstract

There has recently been a renewal of human research with classical hallucinogens (psychedelics). This paper first briefly discusses the unique history of human hallucinogen research, and then reviews the risks of hallucinogen administration and safeguards for minimizing these risks. Although hallucinogens are relatively safe physiologically and are not considered drugs of dependence, their administration involves unique psychological risks. The most likely risk is overwhelming distress during drug action (‘bad trip’), which could lead to potentially dangerous behaviour such as leaving the study site. Less common are prolonged psychoses triggered by hallucinogens. Safeguards against these risks include the exclusion of volunteers with personal or family history of psychotic disorders or other severe psychiatric disorders, establishing trust and rapport between session monitors and volunteer before the session, careful volunteer preparation, a safe physical session environment and interpersonal support from at least two study monitors during the session. Investigators should probe for the relatively rare hallucinogen persisting perception disorder in follow-up contact. Persisting adverse reactions are rare when research is conducted along these guidelines. Incautious research may jeopardize participant safety and future research. However, carefully conducted research may inform the treatment of psychiatric disorders, and may lead to advances in basic science.

Johnson, M. W., Richards, W. A., & Griffiths, R. R. (2008). Human hallucinogen research: guidelines for safety.  Journal of Psychopharmacology, 22(6), 603–620. http://dx.doi.org/10.1177/0269881108093587
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Psilocybin can occasion mystical-type experiences having substantial and sustained personal meaning and spiritual significance

July 7, 2006 / Mushrooms / Psilocybin, Mystical experiences, Papers, Personal development, Psychology, Psychopharmacology, Publications, Spirituality / By / , ,

Abstract

Rationale: Although psilocybin has been used for centuries for religious purposes, little is known scientifically about its acute and persisting effects.

Objectives: This double-blind study evaluated the acute and longer-term psychological effects of a high dose of psilocybin relative to a comparison compound administered under comfortable, supportive conditions.

Materials and methods: The participants were hallucinogennaïve adults reporting regular participation in religious orspiritual activities. Two or three sessions were conducted at 2-month intervals. Thirty volunteers received orally administered psilocybin (30 mg/70 kg) and methylphenidate hydrochloride (40 mg/70 kg) in counterbalanced order. To obscure the study design, six additional volunteers received methylphenidate in the first two sessions and unblinded psilocybin in a third session. The 8-h sessions were conducted individually. Volunteers were encouraged to close their eyes and direct their attention inward. Study monitors rated volunteers’ behavior during sessions. Volunteers completed questionnaires assessing drug effects and mystical experience immediately after and 2 months after sessions. Community observers rated changes in the volunteer’s attitudes and behavior.

Results: Psilocybin produced a range of acute perceptual changes, subjective experiences, and labile moods including anxiety. Psilocybin also increased measures of mystical experience. At 2 months, the volunteers rated the psilocybin experience as having substantial personal meaning and spiritual significance and attributed to the experience sustained positive changes in attitudes and behavior consistent with changes rated by community observers.

Conclusions: When administered under supportive conditions, psilocybin occasioned experiences similar to spontaneously occurring mystical experiences. The ability to occasion such experiences prospectively will allow rigorous scientific investigations of their causes and consequences.

Griffiths, R. R., Richards, W. A., & McCann, U. (2006). Psilocybin can occasion mystical-type experiences having substantial and sustained personal meaning and spiritual significance. Psychopharmacology, 187(3), 268–283. http://dx.doi.org/10.1007/s00213-006-0457-5
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LSD-assisted psychotherapy in patients with terminal cancer

May 22, 1973 / Anxiety disorders / PTSD, Depression, LSD, Papers, Psychiatry, Psychology, Psychopharmacology, Psychotherapy, Publications / By / , , ,

Abstract

The paper describes the results of a clinical study exploring the potential of a complex psychotherapeutic program utilizing psychedelic compounds to alleviate the emotional and physical suffering of cancer patients. A total of 60 cancer patients participated in this experimental study. In 44 of these patients, LSD (200-500 ug per os) was administered as an adjunct to psychotherapy; in 19 patients, a new psychedelic compound, dipropyltryptamine (DPT) was administered (60-105 mg i.m.). Three of these patients received both LSD and DPT administered on different sessions.

The therapeutic results were assessed by means of a rating scale reflecting the degree of the patients’ depression, psychological isolation, anxiety, difficulty in management, fear of death, and pain. The ratings were done by attending physicians, nurses, family members, LSD therapists and cotherapists, and independent raters. In addition, the amount of narcotics required in the management of the patient was measured before and after the psychedelic sessions.

Systematic rating was carried out in a group of 31 cancer patients treated by LSD. The comparison of the means of individual ratings from pre- to posttreatment showed significant improvement in all the measured parameters for most of the raters. There was a definite reduction of the narcotic medication; it did not, however, reach the level of statistical significance. The pre- to post-treatment comparison of the global indexes used as gross indicators of the degree of emotional and physical distress, indicated that approximately 29 % of the patients showed dramatic improvement, and another 41.9 % moderate improvement, with 22.6 % essentially unchanged. In 6.4 % of the patients, global indexes showed a decrement in the post therapy ratings.

Grof, S., Goodman, L. E., Richards, W. A., & Kurland, A. A. (1972). LSD-assisted psychotherapy in patients with terminal cancer. International pharmacopsychiatry, 8(3), 129-144.
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LSD-Assisted Psychotherapy in Patients with Terminal Cancer

February 1, 1973 / Anxiety disorders / PTSD, Depression, LSD, Other subjects, Other substances, Papers, Psychiatry, Psychology, Psychopharmacology, Psychotherapy, Publications / By / , , ,

Abstract

The paper describes the results of a clinical study exploring the potential of a complex psychotherapeutic program utilizing psychedilic compounds to alleviate the emotional and physical suffering of cancer patients. A total of 60 cancer patients participated in this experimental study. In 44 of these patients, LSD (200-500 μg per os) was administered as an adjunct to psychotherapy; in 19 patients, a new psychedelic compound, dipropyltryptamine (DPT) was administered (60-105 mg i.m.). Three of these patients received both LSD and DPT administered on different sessions. The therapeutic results were assessed by means of a rating scale reflecting the degree of the patients’ depression, psychological isolation, anxiety, difficulty in management, fear of death, and pain. The ratings were done by attending physicians, nurses, family members, LSD therapists and cotherapists, and independent raters. In addition, the amount of narcotics required in the management of the patient was measured before and after the psychedelic sessions. Systematic rating was carried out in a group of 31 cancer patients treated by LSD. The comparison of the means of individual ratings from pre to posttreatment showed significant improvement in all the measured parameters for most of the raters. There was a definite reduction of the narcotic medication; it did not, however, reach the level of statistical significance. The pre to posttreatment comparison of the global indexes used as gross indicators of the degree of emotional and physical distress, indicated that approximately 29% of the patients showed dramatic improvement, and another 41.9% moderate improvement, with 22.6% essentially unchanged. In 6.4% of the patients, global indexes showed a decrement in the posttherapy ratings.
Grof, S., Goodman, L. E., Richards, W. A., & Kurland, A. A. (1973). LSD-assisted psychotherapy in patients with terminal cancer. International pharmacopsychiatry, 8, 129-144., 10.1159/000467984
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DPT as an adjunct in psychotherapy of alcoholics.

January 1, 1973 / Addiction, DMT, Other substances, Papers, Psychiatry, Psychology, Psychopharmacology, Psychotherapy, Publications / By / , , ,

Abstract

The usefulness of dipropyltryptamine (DPT) as an adjunct to psychedelic therapy was explored in a pilot study carried out on 51 alcoholic patients from the Alcoholic Rehabilitation Unit at Spring Grove State Hospital. The evaluation of the results was based on the comparison of pre- and posttreatment results of a battery of psychological tests and of pretreatment and follow-up ratings of an independent team of social workers. The psychological tests involved the Minnesota multiphasic personality inventory (MMPI), Personal orientation inventory (POI), Raven progressive matrices, Psychiatric evaluation profile (PEP), and Benton visual retention test. The social history questionnaire used by the social workers for assessment of the patients’ adjustment consisted of 0-10-point scales measuring residential, occupational and interpersonal adjustment, abstinence, and global adjustment.
Grof, S., Soskin, R. A., Richards, W. A., & Kurland, A. A. (1973). DPT as an adjunct in psychotherapy of alcoholics. International pharmacopsychiatry, 8, 104-115., 10.1159/000467979
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LSD-assisted psychotherapy and the human encounter with death

May 22, 1972 / Anxiety disorders / PTSD, Depression, LSD, Papers, Psychiatry, Psychology, Psychopharmacology, Psychotherapy, Publications / By / , , ,

Abstract

INTRODUCTION: My own experience with Maria convinced me that the living can do a great deal to make the passage easier for the dyingJ to raise the most purely physiological act of human existence to the level of consciousness and perhaps even of spirituality.

Aldous Huxley wrote these words after being with his first wife as she died of cancer in 1955. During her final hours, he employed a hypnotic technique to remind her of spontaneous peak experiences she had known during her life, thereby seeking to guide her toward similar states of consciousness as the death process occurred. In his novel/sland, he describes a similar scene during the death of his character Lakshmi. Also in this novel, he writes of the “mokshamedioine” that gives inhabitants of the island a mystical vision that frees them from the fear of death and enables them to live more fully during their everyday lives. To those who knew Aldous Huxley and have read his works (Huxley, 1963a,b), there is no doubt that, in Huxley’s mind, £cmokshamedieine” was a psychedelic oompound similar to mescaline, psilocybin, and LSD. The seriousness with which he envisaged this futuristic scene is well portrayed by his second wife, Laura) in her description of Huxley’s request for LSD a few hours before he himself died of cancer in 1963 (Huxley, 1968).

 Richards, W., Grof, S., Goodman, L., & Kurland, A. (1972). LSD-assisted psychotherapy and the human encounter with death. Journal of Transpersonal Psychology, 4(2), 121-150.

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