WHO naming stem · suffix · 23 listed names
-racetam
amide type nootrope agents, piracetam type
Where it sits in a name
WHO writes the stem as -racetam. So the letters racetam sit at the end of the name (…racetam).
All 23 names WHO lists under -racetam
These are the INN in group (a) of Part IV of the stem book: names in which WHO says the stem is used as defined. The stem is marked where WHO places it. A-Z as WHO lists them.
- aloracetam
- aniracetam
- brivaracetam
- cebaracetam
- coluracetam
- dimiracetam
- doliracetam
- dupracetam
- etiracetam
- fasoracetam
- fonturacetam
- imuracetam
- levetiracetam
- molracetam
- nebracetam
- nefiracetam
- nicoracetam
- omberacetam
- oxiracetam
- piracetam
- pramiracetam
- rolziracetam
- seletracetam
Decode another name
Decoded
piracetam
Listed INNCarries 2 WHO stems, most specific first: -racetam …
- -racetamend of the nameWHO lists it hereWHO definition: amide type nootrope agents, piracetam type
- -acetamend of the nameWHO lists it hereWHO definition: amide type nootrope agents, piracetam derivatives
“piracetam” is an INN that WHO lists under -racetam, -acetam in the 2024 stem book.
The same decoder as the front page: it reads the letters of a name against all 482 WHO stems, in your browser.
Source and licence
The definition of -racetam (Part II B) and the 23 names (Part IV, group (a)) are from Use of stems in the selection of International Nonproprietary Names (INN) for pharmaceutical substances, 2024 (World Health Organization, Stem book 2024 (ISBN 978-92-4-009938-8); covers proposed INN Lists 1-129). Checked .
Adapted from: Use of stems in the selection of International Nonproprietary Names (INN) for pharmaceutical substances, 2024. Geneva: World Health Organization; 2024. Licence: CC BY-NC-SA 3.0 IGO. This adaptation was not created by WHO; WHO is not responsible for its content or accuracy and does not endorse this site. The data file stems.json is shared under the same licence.