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Pramiracetam

Pramiracetam molecule structurePramiracetam molecule structure
N-[2-(Diisopropylamino)ethyl]-2-(2-oxopyrrolidin-1-yl)acetamide
Pramistar, Neupramir, RemenOpen in Piru
Psychoactive Class
Chemical Class
Racetam

Pramiracetam is a synthetic nootropic stimulant of the racetam class and a derivative of piracetam. It differs structurally from piracetam through the addition of a diisopropyl ethylamino chain.1 Scientists at Parke-Davis discovered it in the late 1970s. It is marketed in parts of Europe to treat memory and attention deficits in older people with neurodegenerative or vascular dementias.

Dosage & Duration

Dosage

Doses are population estimates that vary widely between individuals.

Threshold100 mg
Light250-500 mg
Moderate500-800 mg
Strong800-1200 mg
Heavy1200+ mg

Duration

Onset15-30 minutes
After Effects1-2 hours
Total4-6 hours

Subjective Effects

Subjective Effects not written up yet

Reagent Testing

Expected colorimetric results for common reagent tests. Colors show reaction change over 1–2 minutes.

Marquis(MQ)
No reaction
No reaction
Mecke(ME)
No reaction
No reaction
Mandelin(MD)
No reaction
No reaction
Ehrlich(EH)
No reaction
No reaction
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Pharmacology

Pharmacodynamics

Pramiracetam modulates the muscarinic acetylcholine M5 receptor in humans. Its mechanism is not well understood,2 but it is thought to enhance high-affinity choline uptake. This may increase acetylcholine synthesis and availability, potentially contributing to its effects on memory.

Pharmacokinetics

Absorption & half-lifenot documented yetMetabolitesnone documented yet

Interactions

Interactions not written up yet

An unlisted combination is an unknown one, not a safe one. Check a dedicated combination chart before mixing.

Check TripSit

Tolerance

Tolerance timelines are rules of thumb, not exact schedules, and vary widely between individuals and use patterns.

Full Tolerance
Prolonged, repeated pramiracetam use produces tolerance to many of its effects, so larger doses may be needed to achieve the same effects.
Baseline Reset
Without further consumption, tolerance returns to baseline in approximately 1–2 weeks.
Half Tolerance
Without further consumption, tolerance takes approximately 3–7 days to decrease by half.
Cross Tolerance

Possible cross-tolerance with all racetam nootropics (including aniracetam and piracetam)

Harm Potential

Addiction & Dependence

Psychological

Low

Chronic pramiracetam use is described as non-addictive, low in abuse potential, and apparently unable to cause psychological dependence among some users.

Toxicity

oral mucosa

Anecdotal reports describe painful chemical burns from ingesting pramiracetam powder sublingually.

History & Culture

Pramiracetam was discovered in the late 1970s by scientists at Parke-Davis, then a division of Warner-Lambert. Warner-Lambert investigated it for Alzheimer's disease but discontinued development for that indication after Phase II trials produced mixed results. The company subsequently pursued its…

Legality

International

The quoted legal-status section says pramiracetam is legally available to buy and sell in most countries, with regional variation.

Pramiracetam is marketed as a prescription drug in parts of Europe.

By Country

Controlled / restricted2
United States flagUnited StatesRestricted
United Kingdom flagUnited KingdomRestricted

References

Source Pages

  1. DrugBank
  2. Erowid
  3. Isomer Design (TiHKAL/PiHKAL)
  4. PsychonautWiki
  5. TripSit Factsheets
  6. Wikipedia

Citations

  1. The Psychonauts’ World of Cognitive Enhancers. Frontiers in Psychiatry (2020). https://doi.org/10.3389/fpsyt.2020.5467961
  2. PRAMISTAR 600 mg: Rezumatul caracteristicilor produsului (RCP). ecofarma.ro (2025). https://ecofarma.ro/medicament/w080600/pramistar-600-mg/rcp1
  3. Search Orphan Drug Designations and Approvals: Pramiracetam Sulfate. U.S. Food and Drug Administration (n.d.). https://www.accessdata.fda.gov/scripts/opdlisting/oopd/detailedIndex.cfm?cfgridkey=616911
  4. Piracetam and Piracetam-Like Drugs: From Basic Science to Novel Clinical Applications to CNS Disorders. Drugs (2010). https://doi.org/10.2165/11319230-000000000-000001
  5. PRAMIRACETAM — UNII 4449F8I3LE. precision.fda.gov (n.d.). https://precision.fda.gov/uniisearch/srs/unii/4449F8I3LE1
  6. PRAMIRACETAM HYDROCHLORIDE — UNII WIU553VC0S. precision.fda.gov (n.d.). https://precision.fda.gov/uniisearch/srs/unii/WIU553VC0S1
  7. PRAMIRACETAM SULFATE — UNII OP7O7MNS9P. precision.fda.gov (n.d.). https://precision.fda.gov/uniisearch/srs/unii/OP7O7MNS9P1
  8. Peak Nootropics LLC aka Advanced Nootropics — Warning Letter 557887. fda.gov (n.d.). https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/warning-letters/peak-nootropics-llc-aka-advanced-nootropics-557887-020520191
  9. Designating an Orphan Product: Drugs and Biological Products. fda.gov (n.d.). https://www.fda.gov/industry/medical-products-rare-diseases-and-conditions/designating-orphan-product-drugs-and-biological-products1
  10. 21 U.S.C. § 321 — Definitions; generally. uscode.house.gov (n.d.). https://uscode.house.gov/view.xhtml?req=%28title%3A21+section%3A321+edition%3Aprelim1

Further Reading

  1. Chang et al. (1985) - Pharmacokinetics of Oral Pramiracetam in Normal Volunteers
  2. Chang et al. (1985) - Pharmacokinetics of Oral Pramiracetam in Normal Volunteers
  3. Nootropics Expert: Pramiracetam

Article Status

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