Wednesday, June 10, 2026

Drug profile · INN

norethisterone

norethisterone (PRIMOLUT N) is a progesterone receptor agonist. Associated with Pfizer Australia Pty Ltd.

TGA: approved
Patents linked 0
Pipeline programs 2
News articles 0
Drug details — norethisterone

Quick answer

norethisterone (PRIMOLUT N) is a progesterone receptor agonist. Associated with Pfizer Australia Pty Ltd.

Key facts

INN norethisterone
Brand PRIMOLUT N
Mechanism Progesterone receptor agonist
Target Progesterone receptor

Mechanism of action

Progesterone receptor agonist

Primary target: Progesterone receptor

Approval history

Authority Status Date
TGA approved

Pipeline programs

  1. IDE196-009 Phase 2 · IDEAYA Biosciences · Uveal Melanoma
  2. Compound Norethisterone Enanthate Injection Unknown · Chinese Academy of · Contraception Behavior

Related & competitor drugs

  1. desogestrel Progesterone receptor agonist
  2. medroxyprogesterone acetate Progesterone receptor agonist
  3. megestrol acetate Progesterone receptor agonist
  4. norethindrone Progesterone receptor agonist
  5. norethindrone acetate Progesterone receptor agonist
  6. progesterone Progesterone receptor agonist

Frequently asked questions

What is norethisterone?

norethisterone (PRIMOLUT N) is a progesterone receptor agonist. Associated with Pfizer Australia Pty Ltd.

What is the brand name for norethisterone?

PRIMOLUT N is a marketed brand name for norethisterone. Check FDA Drugs@FDA for the current US label holder and prescribing information.