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WHO naming stem · suffix · 3 listed names

-castat

dopamine-hydroxylase inhibitors

WHO's definition, quoted as written in the 2024 stem book
Names only. This page is about -castat as a part of a name. It has nothing on uses, doses, side effects or interactions of any medicine that carries it, and nothing here is medical advice. Ask a pharmacist or doctor about the medicine itself.

Where it sits in a name

WHO writes the stem as -castat. So the letters castat sit at the end of the name (…castat).

All 3 names WHO lists under -castat

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.

  1. etamicastat
  2. nepicastat
  3. zamicastat

Decode another name

Decoded

nepicastat

Listed INNCarries 2 WHO stems, most specific first: -castat …

  • -castatend of the nameWHO lists it hereWHO definition: dopamine-hydroxylase inhibitors
  • -stat/-stat-end of the nameWHO lists it hereWHO definition: enzyme inhibitors

“nepicastat” is an INN that WHO lists under -castat, -stat/-stat- 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 -castat (Part II B) and the 3 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.