Hallucinogen-persisting perception disorder

MONDO:0100125

A perceptual disorder caused by intoxication with hallucinogen drugs, especially LSD. It is characterized by the recurrence of perceptive disturbances that first develop during intoxication. The contents of the perception and visual imagery range extensively and symptoms may include visual disturbances, hallucinations, and psychoses.

4 clinical trials for this condition and its sub-types, 4 tagged with Hallucinogen-persisting perception disorder itself.

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Where it sits in the disease tree

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↑ Perceptual disorders (2391) ↑ Drug-induced mental disorder (8)

Including sub-types (4) Tagged with Hallucinogen-persisting perception disorder (4)

Trials to join now! 1 Completed 3

Scientists test Shorter-Acting LSD cousin in healthy volunteers

Knowledge-focused Recruiting now

This study looks at a new compound called DDH-LSD, which is similar to LSD but is expected to wear off faster. Researchers will give 24 healthy adults DDH-LSD, LSD, or a placebo in random order to compare how long each lasts, how the body processes them, and what effects people f…

Sponsor: University Hospital, Basel, Switzerland • Aim: Knowledge-focused

Last updated Jun 27, 2026 11:00 UTC

Hallucinogen-persisting perception disorder

Where it sits in the disease tree

Scientists test Shorter-Acting LSD cousin in healthy volunteers