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1P-LSD

1-propionyllysergic acid diethylamide

1Provenance card

the boundary, as counts

Sources

3332 with DOI

12 strong · 20 moderate · 1 weak

Compilations

12026-04-24T08:57:47.191Z

pipeline-v5 · prompt hash not recorded — run predates 2026-09

Decisions

32last ruled 2026-06-04

0 awaiting a ruling

Issued documents

62026-10-19T20:28:53.483Z

notice · info card · emergency

Searches

221 with no results

queries and counts on the build

Claims checked

8829 supported

29 supported · 59 not

Correspondence

0received

consent field ships in Phase 4

Edges

280

derivations recorded for this entity

Complete over 33 sources, 1 compilation, and 32 decisions.Not here: the private journal (never).Working material — drafts, discards, unsupported claims — is listed below and readable on the working page.Cite: psychedex.org/substances/1p-lsd/archive

Timeline

what happened, newest first — claims, searches and artifacts stay inside Build

  1. 2026-10-19issueIssued emergency
  2. 2026-10-19issueIssued info_card
  3. 2026-10-19issueIssued notice
  4. 2026-09-24srcPharmacokinetics and Pharmacodynamics of Lysergic Acid Diethylamide Microdoses in Healthy Participants
  5. 2026-09-24srcAcute Effects and Pharmacokinetics of LSD after Paroxetine or Placebo Pre-Administration in a Randomized, Double-Blind, Cross-Over Phase I Trial
  6. 2026-09-24srcAbsolute Oral Bioavailability and Bioequivalence of LSD Base and Tartrate in a Double-Blind, Placebo-Controlled, Crossover Study
  7. 2026-09-24srcReturn of the lysergamides. Part I: Analytical and behavioural characterization of 1-propionyl-d-lysergic acid diethylamide (1P-LSD)
  8. 2026-09-24srcReturn of the lysergamides. Part VI: Analytical and behavioural characterization of 1-cyclopropanoyl-d-lysergic acid diethylamide (1CP-LSD)
  9. 2026-09-24srcPharmacokinetics and subjective effects of 1P-LSD in humans after oral and intravenous administration
  10. 2026-09-24srcAnalytical and behavioral characterization of 1-dodecanoyl-LSD (1DD-LSD)
  11. 2026-09-24srcAnalytical and Pharmacological Characterization of 1-(Furan-2-Carbonyl)-LSD (1F-LSD) and Comparison With 1-(Thiophene-2-Carbonyl)-LSD (1T-LSD)
  12. 2026-09-24srcGenie in a blotter: A comparative study of LSD and LSD analogues' effects and user profile
  13. 2026-09-24srcOpioid analgesic drugs and serotonin toxicity (syndrome): mechanisms, animal models, and links to clinical effects
  14. 2026-09-24srcSerotonin toxicity of serotonergic psychedelics
  15. 2026-09-24srcIn vitro metabolic fate of nine LSD-based new psychoactive substances and their analytical detectability in different urinary screening procedures
  16. 2026-09-24srcCrystal Structure of an LSD-Bound Human Serotonin Receptor
  17. 2026-09-24srcEffects of tramadol and O-demethyl-tramadol on human 5-HT reuptake carriers and human 5-HT3A receptors
  18. 2026-09-24srcHallucinogen persisting perception disorder and the serotonergic system: a comprehensive review including new MDMA-related clinical cases
  19. 2026-09-24srcEfficacy, all-cause discontinuation, and safety of serotonergic psychedelics and MDMA to treat mental disorders: A living systematic review with meta-analysis
  20. 2026-09-24srcPharmacological and biotransformation studies of 1-acyl-substituted derivatives of d-lysergic acid diethylamide (LSD)
  21. 2026-09-24srcThe hallucinogen d-lysergic diethylamide (LSD) decreases dopamine firing activity through 5-HT1A, D2 and TAAR1 receptors
  22. 2026-09-24srcHallucinogen persisting perception disorder: what do we know after 50 years?
  23. 2026-09-24srcTolerance and Cross-Tolerance among Psychedelic and Nonpsychedelic 5-HT2A Receptor Agonists in Mice
  24. 2026-09-24srcDirect comparison of the acute effects of lysergic acid diethylamide and psilocybin in a double-blind placebo-controlled study in healthy subjects
  25. 2026-09-24srcComparative acute effects of mescaline, lysergic acid diethylamide, and psilocybin in a randomized, double-blind, placebo-controlled cross-over study in healthy participants
  26. 2026-09-24srcAcute effects of MDMA and LSD co-administration in a double-blind placebo-controlled study in healthy participants
  27. 2026-09-24srcPharmacological and non-pharmacological predictors of the LSD experience in healthy participants
  28. 2026-09-24srcPsychedelics promote plasticity by directly binding to BDNF receptor TrkB
  29. 2026-09-24srcKetanserin Reverses the Acute Response to LSD in a Randomized, Double-Blind, Placebo-Controlled, Crossover Study in Healthy Participants
  30. 2026-09-24srcPharmacokinetics and Concentration-Effect Relationship of Oral LSD in Humans
  31. 2026-09-24srcPsychedelics
  32. 2026-09-24srcREBUS and the Anarchic Brain: Toward a Unified Model of the Brain Action of Psychedelics
  33. 2026-09-24srcLysergic acid diethylamide: a drug of use?
  34. 2026-09-24srcd-Lysergic Acid Diethylamide (LSD) as a Model of Psychosis: Mechanism of Action and Pharmacology
  35. 2026-09-24srcClinical Research on Lysergic Acid Diethylamide (LSD) in Psychiatry and Neuroscience
  36. 2026-09-24src1P-LSD legal status worldwide: Germany NpSG 2019, UK PSA 2016, US Federal Analogue Act gray area, Canada unscheduled, Australia controlled
  37. 2026-09-04issueIssued emergency
  38. 2026-09-04issueIssued info_card
  39. 2026-09-04issueIssued notice
  40. 2026-06-04proposal30 value proposals approved togetherone review action inferred from a shared reviewer and instant — the graph records one activity per proposal
  41. 2026-06-04publicationPublication — backfill
  42. 2026-04-24revisionRevision 1
  43. 2026-04-24absenceSearched ClinicalTrials.gov for "1P-LSD lysergamide psychedelic" — no results
  44. 2026-04-24genGeneration — pipeline-v5pipeline-v5
  45. 2026-04-24rungeneration run

The same entries, as forms: six forms.