WHO naming stem · suffix · 4 listed names
-viroc
CCR5 (Chemokine CC motif receptor 5) receptor antagonists
Where it sits in a name
WHO writes the stem as -viroc. So the letters viroc sit at the end of the name (…viroc).
All 4 names WHO lists under -viroc
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.
- aplaviroc
- cenicriviroc
- maraviroc
- vicriviroc
Decode another name
Decoded
aplaviroc
Listed INNCarries 2 WHO stems, most specific first: -viroc …
- -virocend of the nameWHO lists it hereWHO definition: CCR5 (Chemokine CC motif receptor 5) receptor antagonists
- virinside the nameWHO lists it hereWHO definition: antivirals (undefined group)
“aplaviroc” is an INN that WHO lists under -viroc, vir 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 -viroc (Part II B) and the 4 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.