Drugs / berotralstat
last change Aug 2026 re-read 9 days ago

berotralstat

Small molecule targets KLKB1 via inhibition

Developed for
hereditary angioedema
Investigated by
BioCryst Pharmaceuticals

Regulatory milestones approvals, filings & regulatory actions · 5 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed angioedema, hereditary, 4 3 milestones
Filed Japan (PMDA) — angioedema, hereditary, 4 2020-02-03

“submitted a new drug application (JNDA) to the Japanese Pharmaceuticals and Medical Devices Agency (PMDA) for approval of oral, once daily berotralstat” biocryst.com ↗

Filed US (FDA) — angioedema, hereditary, 4 2019-12-11

“FDA has accepted and filed its new drug application (NDA) for the approval of oral, once daily berotralstat (BCX7353) for the prevention of hereditary angioedema (HAE) attacks.” biocryst.com ↗

“submitted a new drug application (NDA) to the U.S. Food and Drug Administration (FDA) for approval of oral, once daily berotralstat (BCX7353)” biocryst.com ↗

“New drug application (NDA) submitted to U.S Food and Drug Administration in December 2019” biocryst.com ↗

Filed EU (EMA) — angioedema, hereditary, 4 —

“EMA has validated its marketing authorization application (MAA) submission for approval of oral, once-daily berotralstat (BCX7353)” biocryst.com ↗

Approved Indication not stated 2 milestones
Approved EU (EMA) Orladeyo — 2021-04-30 europa.eu ↗
Approved US (FDA) ORLADEYO — 2020-12-03 fda.gov ↗

Trials 11

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 14 trials · 1 met primary
Phase 1 NCT03202784 Feb → Aug 2017 hereditary angioedema BioCryst Pharmaceuticals Completed No outcome recorded
Phase 1 NCT03136237 Feb → Aug 2017 hereditary angioedema BioCryst Pharmaceuticals Completed No outcome recorded
Phase 1 NCT02819102 Mar → Jun 2016 hereditary angioedema BioCryst Pharmaceuticals Completed No outcome recorded
Phase 1 NCT02448264 May → Nov 2015 hereditary angioedema BioCryst Pharmaceuticals Completed Met primary
Phase 22 trials
Phase 2 NCT03240133 Jul 2017 → Jan 2019 hereditary angioedema BioCryst Pharmaceuticals Completed Mixed
Phase 2 NCT02870972 Aug 2016 → Aug 2017 hereditary angioedema BioCryst Pharmaceuticals Completed Mixed
Phase 2/31 trial
Phase 2/3 NCT03472040 Feb 2018 → Apr 2022 hereditary angioedema BioCryst Pharmaceuticals Completed No outcome recorded
Phase 34 trials · 1 met primary
Phase 3 NCT05453968 Oct 2022 → Sep 2024 overdue hereditary angioedema BioCryst Pharmaceuticals Active not recruiting No outcome recorded
Phase 3 NCT04933721 Jul 2021 → Aug 2031 expected hereditary angioedema BioCryst Pharmaceuticals Enrolling by invitation No outcome recorded
Phase 3 NCT03873116 Dec 2018 → Jul 2021 hereditary angioedema BioCryst Pharmaceuticals Completed No outcome recorded
Phase 3 NCT03485911 Feb 2018 → Apr 2019 hereditary angioedema BioCryst Pharmaceuticals Completed Met primary
Comparator or background therapy1 trial
— NCT04428632 Background — hereditary angioedema BioCryst Pharmaceuticals Approved for marketing No outcome recorded

News releases announcing trial results or a regulatory action · 82

DateIssuerRelease
2026-08-25 BioCryst Pharmaceuticals Regulatory BioCryst Announces Approval of ORLADEYO® for Pediatric HAE Patients in Japan biocryst.com ↗
BioCryst Pharmaceuticals, Inc. (Nasdaq: BCRX) today announced that Japan’s Ministry of Health, Labor and Welfare (MHLW) has granted marketing approval for once-daily ORLADEYO ® (berotralstat) for prophylactic therapy in pediatric patients with hereditary angioedema (HAE) aged 2 to <12 years.
2026-06-12 BioCryst Pharmaceuticals Results BioCryst Presents New Clinical Data and Real-World Evidence Demonstrating Impact of HAE Portfolio at the 2026 European Academy of Allergy and Clinical Immunology Annual Meeting biocryst.com ↗
today announced new clinical data and real-world evidence for ORLADEYO ® (berotralstat)
2026-02-11 BioCryst Pharmaceuticals Results BioCryst to Present New HAE Data from ORLADEYO® (berotralstat) and Navenibart at the 2026 American Academy of Allergy, Asthma & Immunology Annual Meeting biocryst.com ↗
Oral Berotralstat Reduces the Rate of Moderate and Severe Attacks
2025-12-12 BioCryst Pharmaceuticals Regulatory BioCryst Announces FDA Approval of ORLADEYO® (berotralstat) Oral Pellets, First and Only Oral Prophylactic Treatment for Patients with HAE Aged 2 to biocryst.com ↗
2025-11-06 BioCryst Pharmaceuticals Results BioCryst Presents New Data at ACAAI Highlighting Burden of HAE on Pediatric Patients and Caregivers and Sustained Reduction of Attacks in Children Treated with One Year of ORLADEYO® (berotralstat) biocryst.com ↗
2025-06-16 BioCryst Pharmaceuticals Results BioCryst Presents New Data on the Long-term Efficacy and Safety of ORLADEYO® (berotralstat) Across all Ages at EAACI biocryst.com ↗
These data from both clinical trials and real-world settings continue to strengthen the evidence that ORLADEYO is an effective and well-tolerated long-term prophylactic treatment for HAE.
2025-06-13 BioCryst Pharmaceuticals Regulatory ORLADEYO® (berotralstat) Approved in Colombia biocryst.com ↗
BioCryst Pharmaceuticals, Inc. (Nasdaq: BCRX) today announced that the National Institute of Drug and Food Surveillance (INVIMA) in Colombia has granted approval for oral, once-daily ORLADEYO ® (berotralstat) for the prophylaxis of hereditary angioedema (HAE) attacks in adults and pediatric patients 12 years of age or older.
2025-06-06 BioCryst Pharmaceuticals Regulatory BioCryst Achieves Reimbursement for ORLADEYO Across all Major European Countries biocryst.com ↗
This reimbursement approval in the Netherlands marks national reimbursement for ORLADEYO across all major European countries, providing HAE patients with access to the first oral, once-daily preventive therapy.
2025-05-30 BioCryst Pharmaceuticals Results BioCryst Highlights Real-world Data Showing ORLADEYO® (berotralstat) Consistently Reduces HAE Attacks Across All Ages biocryst.com ↗
New data shared at the 14th C1-inhibitor Deficiency & Angioedema Workshop supports berotralstat use at all stages of life
2025-05-16 BioCryst Pharmaceuticals Results BioCryst Presents New Real-world Evidence Showing Significant and Sustained Reductions in HAE Attack Rates in Adolescents and People with Severe HAE Following Initiation of ORLADEYO® (berotralstat) biocryst.com ↗
These two groups experienced far fewer attacks per month compared to baseline after starting ORLADEYO.
2025-05-14 BioCryst Pharmaceuticals Regulatory BioCryst Announces FDA Acceptance of NDA for ORLADEYO® (berotralstat) Oral Granules in Patients with Hereditary Angioedema Aged 2 to 11 Years biocryst.com ↗
2025-02-24 BioCryst Pharmaceuticals Results BioCryst Announces Positive Results from APeX-P Trial for ORLADEYO® (berotralstat) in Pediatric Patients with Hereditary Angioedema Aged 2 to biocryst.com ↗
BioCryst Pharmaceuticals, Inc. (Nasdaq: BCRX) today announced positive results from an interim analysis of the ongoing APeX-P clinical trial evaluating an oral granule formulation of once-daily ORLADEYO ® (berotralstat) in pediatric patients with hereditary angioedema (HAE) aged 2 to <12 years.

All press releases naming this drug 117 releases

DateIssuerRelease
Show all 117 releases opens the full record — a long page

Evidence & citations 11 cited values

Every value below carries the sentence it was read from. 16 sources stand behind the page.

FieldValueCited text
Known as berotralstat “BACKGROUND: Berotralstat (BCX7353) is an oral, once-daily inhibitor of plasma kallikrein recently approved for prevention of angioedema attacks in adults and adolescents with...” PMID 34161665 ↗ Jun 2021
4

“Berotralstat (BCX7353) is an oral, once-daily, highly selective inhibitor of plasma kallikrein in development for prophylaxis of angioedema attacks in HAE patients.” PMID 33247955 ↗ Dec 2020

NCT04428632 ↗

NCT05453968 ↗

NCT04933721 ↗

Known as BCX-7353 DIHYDROCHLORIDE ChEMBL registry synonym — accepted as the source's own label CHEMBL5189739 ↗
Known as BCX7353 ClinicalTrials.gov intervention name — accepted as the source's own label NCT03202784 ↗
8

NCT03472040 ↗

NCT03136237 ↗

NCT03485911 ↗

NCT02448264 ↗

NCT02870972 ↗

NCT02819102 ↗

NCT03873116 ↗

NCT03240133 ↗

Known as BCX7353.2HCl ChEMBL registry synonym — accepted as the source's own label CHEMBL5189739 ↗
Known as Berotralstat dihydrochloride ChEMBL registry synonym — accepted as the source's own label CHEMBL5189739 ↗
Known as BEROTRALSTAT HYDROCHLORIDE ChEMBL registry synonym — accepted as the source's own label CHEMBL5189739 ↗
Known as Orladeyo ChEMBL registry synonym — accepted as the source's own label CHEMBL5189739 ↗
Action Inhibit “inhibitor of plasma kallikrein” PMID 30044938 ↗ Jul 2018
1

“Plasma kallikrein inhibitor” CHEMBL5189739 ↗

Modality Small molecule “BCX7353 is a potent oral small-molecule inhibitor of plasma kallikrein” PMID 30044938 ↗ Jul 2018
Route Oral “BCX7353 capsules administered orally” NCT02448264 ↗
Target KLKB1 “Plasma kallikrein inhibitor” CHEMBL5189739 ↗