Wednesday, July 8, 2026

Drug profile · INN

norethindrone

norethindrone (NOR-QD) is a progesterone receptor agonist. Associated with Amneal Pharma Europe Ltd. Route of administration: oral-28. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 20
Pipeline programs 6
News articles 0
Drug details — norethindrone
US status
approved
Class
Route
ORAL-28
Patents
20
Programs
6
Data quality
0.89

Quick answer

norethindrone (NOR-QD) is a progesterone receptor agonist. Associated with Amneal Pharma Europe Ltd. Route of administration: oral-28. Current US regulatory status: approved.

Key facts

INN norethindrone
Brand NOR-QD
Mechanism Progesterone receptor agonist
Target Progesterone receptor
Route ORAL-28
Formulation TABLET

Mechanism of action

Progesterone receptor agonist

Primary target: Progesterone receptor

Approval history

Authority Status Date
FDA approved

Pipeline programs

  1. bLF (Bovine lactoferrin) Phase 3 · United Therapeutics Europe · Neonatal Sepsis
  2. Estradiol/Norethindrone acetate Phase 1 · Teva Pharma · Healthy
  3. Norethindrone/Ethinyl Estradiol Phase 1 · Teva Pharma · Bioequivalence
  4. Norethindrone/Ethinyl Estradiol Phase 1 · Teva Pharma · Healthy
  5. APHP220806 Approved · PARItec · Women who delivered by caesarean and have a moderate postpar
  6. bovine Lactoferrin Unknown · Chinese Academy of · Nosocomial Infections

Related & competitor drugs

  1. desogestrel Progesterone receptor agonist
  2. medroxyprogesterone acetate Progesterone receptor agonist
  3. megestrol acetate Progesterone receptor agonist
  4. norethindrone acetate Progesterone receptor agonist
  5. progesterone Progesterone receptor agonist
  6. ulipristal acetate Genito-urinary system and sex hormones (G03)
  1. WO 2025207948

    CAPSIDES D'AAV POUR LE CIBLAGE DU RÉCEPTEUR DE LA TRANSFERRINE HUMAINE

    Expires Wed Sep 27 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  2. WO 2025207932

    CAPSIDES DE VAA COMPRENANT DES DOMAINES D'ANTICORPS ANTI-TRANSFERRINE

    Expires Wed Sep 27 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  3. WO 2025207959

    ANTICORPS ANTI-RÉCEPTEURS DE LA TRANSFERRINE ET LEURS UTILISATIONS

    Expires Wed Sep 27 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  4. US 12428487

    Complexes comprising an anti-transferrin receptor antibody linked to an oligonicleotide and method of delivering oligonucleotide to a subject

    Expires Mon Sep 25 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  5. US 12370264

    Complexes comprising an anti-transferrin receptor antibody linked to an oligonucleotide and method of delivering oligonucleotide to a subject

    Expires Mon Jul 24 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  6. US 12329825

    Muscle targeting complexes comprising an anti-transferrin receptor antibody linked to an oligonucleotide and method of use thereof to induce exon skipping of exon 44 of dystrophin in a subject

    Expires Mon Jun 12 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  7. US 12325753

    Method of using an anti-transferrin receptor antibody to deliver an oligonucleotide to a subject having facioscapulohumeral muscular dystrophy

    Expires Mon Jun 05 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  8. US 12319743

    Complexes comprising an anti-transferrin receptor antibody linked to an oligonucleotide and method of delivering oligonucleotide to a subject

    Expires Mon May 29 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  9. WO 2025090898

    ANTICORPS ANTI-RÉCEPTEUR DE LA TRANSFERRINE ET LEURS UTILISATIONS - RÉFÉRENCES CROISÉES AUX DEMANDES CONNEXES

    Expires Wed Apr 26 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  10. US 12263225

    Muscle-targeting complexes comprising an anti-transferrin receptor antibody linked to an oligonucleotide and methods of use thereof to target dystrophin and to treat Duchenne muscular dystrophy

    Expires Mon Mar 27 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  11. US 12214021

    Study on lactoferrin regulation of bone formation by means of vitamin D receptor

    Expires Mon Jan 30 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  12. US 12215320

    Compositions and methods for gene editing by targeting transferrin

    Expires Mon Jan 30 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  13. US 12173078

    Complexes comprising an anti-transferrin receptor antibody linked to an oligonucleotide

    Expires Mon Dec 19 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  14. US 12173079

    Muscle-targeting complexes comprising an anti-transferrin receptor antibody linked to an oligonucleotide

    Expires Mon Dec 19 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  15. US 12162948

    Methods of engineering transferrin receptor binding polypeptides

    Expires Mon Dec 05 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  16. US 12018087

    Muscle-targeting complexes comprising an anti-transferrin receptor antibody linked to an oligonucleotide and methods of delivering oligonucleotide to a subject

    Expires Mon Jun 20 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  17. US 12012460

    Muscle-targeting complexes comprising an anti-transferrin receptor antibody linked to an oligonucleotide

    Expires Mon Jun 13 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  18. US 11970555

    Bicyclic peptide ligands specific for transferrin receptor 1 (TfR1)

    Expires Mon Apr 25 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  19. US 11912778

    Methods of engineering transferrin receptor binding polypeptides

    Expires Mon Feb 22 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  20. US 11839660

    Anti-transferrin receptor antibody and uses thereof

    Expires Mon Dec 07 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

What is norethindrone?

norethindrone (NOR-QD) is a progesterone receptor agonist. Associated with Amneal Pharma Europe Ltd. Route of administration: oral-28. Current US regulatory status: approved.

What is the brand name for norethindrone?

NOR-QD is a marketed brand name for norethindrone. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of norethindrone?

norethindrone has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.