Wednesday, July 8, 2026

Drug profile · INN

berotralstat dihydrochloride

berotralstat dihydrochloride (ORLADEYO) is a plasma kallikrein inhibitor. Associated with Biocryst. Route of administration: oral. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 20
Pipeline programs 1
News articles 2
Drug details — berotralstat dihydrochloride

Quick answer

berotralstat dihydrochloride (ORLADEYO) is a plasma kallikrein inhibitor. Associated with Biocryst. Route of administration: oral. Current US regulatory status: approved.

Key facts

INN berotralstat dihydrochloride
Brand ORLADEYO
Mechanism Plasma kallikrein inhibitor
Target Plasma kallikrein
Route ORAL
Formulation CAPSULE
Originator Biocryst

Mechanism of action

Plasma kallikrein inhibitor

Primary target: Plasma kallikrein

Approval history

Authority Status Date
FDA approved

Recent coverage

Pipeline programs

  1. berotralstat Phase 3 · Biocryst · Hereditary Angioedema

Related & competitor drugs

  1. lanadelumab Blood and blood forming organs (B06)
  2. aprotinin Plasminogen inhibitor
  3. ecallantide Plasma kallikrein inhibitor
  4. lanadelumab-flyo Plasma kallikrein inhibitor
  5. berotralstat hydrochloride Plasma kallikrein inhibitor
  1. US 12344585

    Crystalline salts of a plasma kallikrein inhibitor

    Expires Mon Jun 26 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  2. US 12116346

    Human plasma kallikrein inhibitors

    Expires Mon Oct 10 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  3. US 11708333

    Human plasma kallikrein inhibitors

    Expires Mon Jul 20 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  4. US 11618733

    Crystalline salts of a plasma kallikrein inhibitor

    Expires Mon Mar 30 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  5. US 11559515

    Indole compounds and analogues thereof

    Expires Mon Jan 19 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  6. US 11230530

    Human plasma kallikrein inhibitors

    Expires Mon Jan 20 2042 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  7. US 11173159

    Methods and compositions for inhibition of polymerase

    Expires Mon Nov 11 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  8. US 11117867

    Crystalline salts of a plasma kallikrein inhibitor

    Expires Mon Sep 09 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  9. US 10849883

    Benzopyrazole compounds and analogues thereof

    Expires Mon Nov 26 2040 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  10. US 10689346

    Human plasma kallikrein inhibitors

    Expires Mon Jun 18 2040 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  11. US 10662160

    Crystalline salts of a plasma kallikrein inhibitor

    Expires Mon May 21 2040 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  12. US 10420769

    Methods and compositions for inhibition of polymerase

    Expires Mon Sep 19 2039 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  13. US 10329260

    Human plasma kallikrein inhibitors

    Expires Mon Jun 20 2039 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  14. US 10125102

    Human plasma kallikrein inhibitors

    Expires Mon Nov 08 2038 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  15. US 10022375

    Methods and compositions for inhibition of polymerase

    Expires Mon Jul 12 2038 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  16. US 9580428

    Compositions and methods for inhibiting viral polymerase

    Expires Mon Feb 23 2037 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  17. US 9492452

    Methods and compositions for inhibition of polymerase

    Expires Mon Nov 10 2036 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  18. US 8163703

    Hepatitis C therapies

    Expires Mon Apr 19 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  19. US 8133870

    Therapeutic furopyrimidines and thienopyrimidines

    Expires Mon Mar 08 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  20. US 7514410

    Hepatitis C therapies

    Expires Mon Apr 02 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

What is berotralstat dihydrochloride?

berotralstat dihydrochloride (ORLADEYO) is a plasma kallikrein inhibitor. Associated with Biocryst. Route of administration: oral. Current US regulatory status: approved.

What is the brand name for berotralstat dihydrochloride?

ORLADEYO is a marketed brand name for berotralstat dihydrochloride. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of berotralstat dihydrochloride?

berotralstat dihydrochloride 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.