Research timelines

Psychedelic research timelines

Blossom has always been a good place to find psychedelic research. I wanted a way to see it.

That is what these timelines are for. Each one plots a single research story from one end to the other: the papers, the trials, and the policy and drug development that ran alongside them, from the start of the twentieth century through to the readouts still scheduled. Psilocybin is below in full. Keep scrolling and you will find the other compounds, and then the clinical topics, which cover what these compounds are actually being researched for, from PTSD to treatment-resistant depression.

Have a look around.

Isolated in 1958, banned in 1970, restarted in 2001.

Psilocybin

The long return: a research journey

PsilocybinThe long return: a research journey339 trials · 779 papers · 1958 to 202944 years, compressedtoday1958Hofmann isolates psilocybinScience · Sandoz1970-10US Schedule ICapital2001-11First modern patient trialAcademic · University of Arizona2006-07Griffiths publishes the mysti…Science · Johns Hopkins University2016-11Two randomised cancer trials …Academic · Journal of Psychopharmacology2020-11Oregon votes for supervised p…Capital2021-04Psilocybin fails to beat esci…Academic · New England Journal of Medicine2022-11COMP360 Phase 2b publishes in…COMP360 · New England Journal of Medicine2022-11The first psilocybin Phase 3COMP360 · COMPASS Pathways2025-10AbbVie acquires the bretisilo…Capital · AbbVie2026-10APPROACH topline expectedHLP003 · Helus PharmaIsolated in 1958, banned in 1970, restarted in 2001.moreblossom.com · July 2026
Open the full Psilocybin timeline →

Compounds (9)

One molecule, followed from its first synthesis to its current programmes. These are the arcs where a single compound carries the story.

Clinical topics (29)

The same record read the other way round: what has actually been tried for one condition, across every compound at once. Useful when the question is about a patient group rather than a molecule.

Depressive Disorders research timeline

The psychedelic research story across depressive conditions

Depressive Disorders

The psychedelic research story across depressive conditions

Depressive DisordersThe psychedelic research story across depressive conditions606 trials · 1236 papers · 1997 to 202916 years, compressedtoday1997-01Berman’s Yale crossover trialKetamine · Yale University2004-07NIMH opens the replication pr…Ketamine · National Institute of Mental Health (…2014-02The randomised placebo-contro…Ayahuasca · Federal University of Rio Grande do…2015-01Imperial opens the depression…Psilocybin · Imperial College London2019-03FDA approves SpravatoCapital · Janssen Pharmaceuticals2021-04Psilocybin fails to beat esci…Psilocybin · New England Journal of Medicine2022-11COMP360 Phase 2b publishes in…Psilocybin · New England Journal of Medicine2022-11The first psilocybin Phase 3Psilocybin · COMPASS Pathways2023-10Ketamine masked by surgical a…Science · Nature Mental Health2025-04Vaporised DMT reports an anti…DMT · Neuropsychopharmacology2025-10AbbVie acquires the bretisilo…Capital · AbbVie2026-03GH001 randomised trial in JAM…5-MeO-DMT · JAMA Psychiatry2026-10APPROACH topline expectedPsilocybin · Helus PharmaFrom ketamine’s rapid antidepressant signal to the first…moreblossom.com · July 2026
Open the full Depressive Disorders timeline →

Depression and mood

Where the numbers come from

Trial and paper counts on each timeline are read live from the research database, so they move as records are added. The milestones themselves do not. They are selected by hand, which means a trial earns a marker because it changed what the field could claim, not because it exists in a registry. Anything dated in the future is limited to studies with public guidance on timing, and is shown as planned rather than promised. For the aggregate view of the same database, see the research snapshot.