Friday, July 10, 2026

Drug profile · INN

nomegestrol acetate

nomegestrol acetate (IOA) is a progesterone receptor agonist.

EMA: withdrawn Genito-urinary system and sex hormones (G03) G03AA14
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Drug details — nomegestrol acetate
Class
Genito-urinary system and sex hormones (G03)
Route
Patents
0
Programs
0
Data quality
0.83

Quick answer

nomegestrol acetate (IOA) is a progesterone receptor agonist.

Key facts

INN nomegestrol acetate
Brand IOA
Mechanism Progesterone receptor agonist
Target Progesterone receptor
Therapeutic class Genito-urinary system and sex hormones (G03)
ATC code G03AA14

Mechanism of action

Progesterone receptor agonist

Primary target: Progesterone receptor

Approval history

Authority Status Date
EMA withdrawn

Related & competitor drugs

  1. apomorphine Genito-urinary system and sex hormones (G04)
  2. desogestrel Progesterone receptor agonist
  3. medroxyprogesterone acetate Progesterone receptor agonist
  4. megestrol acetate Progesterone receptor agonist
  5. mirabegron Genito-urinary system and sex hormones (G04)
  6. norethindrone Progesterone receptor agonist

Frequently asked questions

What is nomegestrol acetate?

nomegestrol acetate (IOA) is a progesterone receptor agonist.

What is the brand name for nomegestrol acetate?

IOA is a marketed brand name for nomegestrol acetate. Check FDA Drugs@FDA for the current US label holder and prescribing information.