A comparison of reactivation experiences following vaporization and intramuscular injection (IM) of synthetic 5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT) in a naturalistic setting
Journal of Psychedelic Studies – March 25, 2020
Source: OpenAlex
Summary
Vaporization of 5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT) leads to significantly higher reactivation rates, with 69% of users experiencing reactivations compared to just 21% for intramuscular injection. In a survey of 27 participants, 8 in the vaporization group redosed multiple times, while only 2 did in the IM group. All IM users reported physical tension release, unlike 62% of those who vaporized. Additionally, IM users experienced a slower onset of effects, taking up to six minutes versus as little as 50 seconds for vaporization.
Abstract
Abstract Background Previous research suggests a therapeutic potential of 5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT). However, online anecdotal reports have described a phenomenon following cessation of the acute effects of 5-MeO-DMT use which has been termed reactivation (i.e., re-experiencing [“flashback”]). To date, no research has investigated whether different routes of administration may confer different reactivation rates, effects and experiences. Aims We aimed to assess whether intramuscular injection (IM) and vaporization of 5-MeO-DMT conferred different reactivation rates, changes in satisfaction with life as well as ratings of the experience with ego dissolution and the mystical. Methods Using internet-based advertisements, 27 respondents ( M age = 32. SE = 1.43; males = 18; North America = 19) completed an online-based survey. Results Of the 14 participants in the IM group, 3 (21%) reported reactivations; in contrast, of the 13 participants in the vaporization group, 9 (69%) reported reactivations. Redosing (more than 1 dose) occurred more frequently in the vaporization group ( N = 8) (1–6 times with 3–35 mg of 5-MeO-DMT), relative to the IM group ( N = 2) (1–5 times with 5–10 mg of 5-MeO-DMT). All participants in the IM group experienced release of physical tension, compared to 8 participants in the vaporization group. Participants in the IM group reported longer time of onset of acute effects (between 1 and 3 [ N = 6] and 4–6 min [ N = 6]), relative to the vaporization group where the majority ( N = 11) reported a rapid onset of 1–50 s. Conclusion Findings suggest that compared to vaporization, the IM route of administering 5-MeO-DMT is associated with lower and less doses, lower frequencies of reporting reactivation, a higher frequency of physical tension release, and a slower onset of acute effects.