Drugs / pegunigalsidase alfa
last change Apr 2026 re-read 9 days ago

pegunigalsidase alfa

Protein / enzyme biologic

Developed for
Fabry disease
Investigated by
Chiesi Farmaceutici S.p.A. · Protalix · ICON plc · Chiesi USA, Inc.

Regulatory milestones approvals, filings & regulatory actions · 6 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed Fabry disease 5 milestones
Filed EU (EMA) — Fabry disease 2024-12-09

“today announced that the European Medicines Agency (EMA) has validated the Variation Submission for pegunigalsidase alfa” protalix.com ↗

“Most recently, the European Medicine Agency (EMA) validated Chiesi's Variation Submission for pegunigalsidase alfa” protalix.com ↗

“the European Medicines Agency (EMA) validated the Variation Submission for pegunigalsidase alfa” protalix.com ↗

Filed US (FDA) — Fabry disease 2022-11-09

“resubmitted a biologics license application (BLA) to the U.S. Food and Drug Administration (FDA) for PRX-102 (pegunigalsidase alfa) for the treatment of adult patients with...” protalix.com ↗

Filed EU (EMA) — Fabry disease 2022-02-24

“24, 2022 /PRNewswire/ -- Protalix BioTherapeutics, Inc. (NYSE: PLX) (TASE: PLX), a biopharmaceutical company focused on the development, production and commercialization of...” protalix.com ↗

Rejected (CRL) US (FDA) — Fabry disease 2021-04-27

“receipt of a Complete Response Letter (CRL) from the U.S. Food and Drug Administration (FDA) regarding the Biologics License Application (BLA) seeking accelerated approval of...” protalix.com ↗

Filed US (FDA) — Fabry disease 2020-05-27

“announced the submission on May 27, 2020 of a Biologics License Application (BLA) to the U.S. Food and Drug Administration (FDA) for pegunigalsidase alfa” protalix.com ↗

“Submitted a Biologics License Application (BLA) to the FDA for PRX–102 (pegunigalsidase alfa) for the treatment of adult patients with Fabry disease” protalix.com ↗

“submission on May 27, 2020 of a Biologics License Application (BLA) to the U.S. Food and Drug Administration (FDA) for pegunigalsidase alfa” protalix.com ↗

“announced the submission of a Biologics License Application (BLA) to the U.S. Food and Drug Administration (FDA) for pegunigalsidase alfa” protalix.com ↗

Approved Indication not stated 1 milestone
Approved EU (EMA) Elfabrio — 2023-05-04 europa.eu ↗

Trials 11

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/22 trials
Phase 1/2 NCT01981720 Jan 2014 → Aug 2020 Fabry disease Protalix Completed No outcome recorded
Phase 1/2 NCT01678898 Oct 2012 → Mar 2016 Fabry disease Protalix Completed No outcome recorded
Phase 2/32 trials
Phase 2/3 NCT06328608 Jul 2025 → Oct 2028 expected Fabry disease Chiesi Farmaceutici S.p.A. Recruiting No outcome recorded
Phase 2/3 NCT05710692 Aug 2023 → Oct 2027 expected Fabry disease Chiesi Farmaceutici S.p.A. Recruiting No outcome recorded
Phase 36 trials · 1 met primary
Phase 3 NCT03614234 Nov 2018 → Apr 2026 Fabry disease Chiesi Farmaceutici S.p.A. Completed No outcome recorded
Phase 3 NCT03566017 Sep 2018 → Jan 2025 Fabry disease Chiesi Farmaceutici S.p.A. Completed No outcome recorded
Phase 3 NCT03180840 Jul 2017 → Aug 2020 Fabry disease Protalix Completed No outcome recorded
Phase 3 NCT02921620 Jul 2017 → Jul 2018 Fabry disease Protalix Withdrawn No outcome recorded
Phase 3 NCT03018730 May 2017 → Dec 2019 Fabry disease Protalix Completed No outcome recorded
Phase 3 NCT02795676 Jun 2016 → Oct 2021 Fabry disease Protalix Completed Met primary
Phase not stated1 trial
— NCT04552691 — Fabry disease Chiesi Farmaceutici S.p.A. Approved for marketing No outcome recorded

News releases announcing trial results or a regulatory action · 53

DateIssuerRelease
2026-03-18 Chiesi Farmaceutici S.p.A. Regulatory Chiesi Global Rare Diseases and Protalix BioTherapeutics Announce European Commission Approval of Additional Dosing Regimen of Every Four Weeks for Elfabrio® (pegunigalsidase alfa) chiesi.com ↗
today announced that the European Commission (EC) has approved the 2mg/kg every-4-weeks (E4W) dosing regimen for pegunigalsidase alfa in adults living with Fabry disease who are stable with an ERT.
2026-03-09 Protalix Regulatory Chiesi Global Rare Diseases and Protalix BioTherapeutics Announce European Commission Approval of Additional Dosing Regimen of Every Four Weeks for Elfabrio® (pegunigalsidase alfa) protalix.com ↗
European Commission approved dosing regimen reduces the burden for eligible patients, their families, and the broader healthcare system by extending infusion interval frequency from every-two-weeks to every-four-weeks for those stable with an enzyme replacement therapy (ERT)
2026-01-30 Chiesi Farmaceutici S.p.A. Regulatory Chiesi Global Rare Diseases and Protalix BioTherapeutics Receive Positive CHMP Opinion for an Additional Dosing Regimen of Every Four Weeks for Elfabrio® (pegunigalsidase alfa) in the EU chiesi.com ↗
The Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has issued a positive opinion recommending approval of the 2mg/kg every-4-weeks (E4W) dosing regimen for pegunigalsidase alfa in Fabry disease adult patients stable with an ERT treatment.
2026-01-30 Protalix Regulatory Chiesi Global Rare Diseases and Protalix BioTherapeutics Receive Positive CHMP Opinion for an Additional Dosing Regimen of Every Four Weeks for Elfabrio® (pegunigalsidase alfa) in the EU protalix.com ↗
The Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has issued a positive opinion recommending approval of the 2mg/kg every-4-weeks (E4W) dosing regimen for pegunigalsidase alfa in Fabry disease adult patients stable with an ERT treatment.
2025-11-03 Protalix Regulatory Chiesi Global Rare Diseases and Protalix BioTherapeutics Seek Re-examination from the EMA for the Negative Opinion for Elfabrio (pegunigalsidase alfa) Alternative Dosing Regimen of Every Four Weeks in the EU protalix.com ↗
2025-10-17 Protalix Regulatory Chiesi Global Rare Diseases and Protalix Biotherapeutics Acknowledge CHMP Negative Opinion on Every Four Week Dosing Regimen of Elfabrio® (pegunigalsidase alfa) in the EU protalix.com ↗
the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has issued a negative opinion
2024-12-09 Protalix Regulatory Chiesi Global Rare Diseases and Protalix BioTherapeutics Announce Validation of Variation Submission by European Medicines Agency for pegunigalsidase alfa protalix.com ↗
today announced that the European Medicines Agency (EMA) has validated the Variation Submission for pegunigalsidase alfa ▼ to label a less frequent dosing regimen at a dose of 2 mg/kg body weight administered every four weeks in adult patients with Fabry disease.
2023-05-10 Protalix Regulatory Chiesi Global Rare Diseases and Protalix BioTherapeutics Announce FDA Approval of ELFABRIO® (pegunigalsidase alfa-iwxj) for the Treatment of Fabry Disease protalix.com ↗
2023-05-05 Protalix Regulatory Chiesi Global Rare Diseases and Protalix BioTherapeutics Announce European Commission Authorization of PRX-102 (pegunigalsidase alfa) for the Treatment of Fabry Disease protalix.com ↗
today announced that the European Commission (EC) has granted marketing authorization to PRX-102 (pegunigalsidase alfa) in the European Union (EU) for the treatment of adult patients with Fabry disease.
2023-02-24 Chiesi Farmaceutici S.p.A. Results Chiesi Global Rare Diseases Presents Long-Term Results from Phase 3 BALANCE and BRIGHT Studies in Fabry Disease at the 19th Annual WORLDSymposium™ Research Meeting chiesi.com ↗
2023-02-24 Chiesi Farmaceutici S.p.A. Regulatory Chiesi Global Rare Diseases and Protalix BioTherapeutics Receive Positive CHMP Opinion for Pegunigalsidase Alfa for Treatment of Fabry Disease chiesi.com ↗
2023-02-24 Protalix Regulatory Chiesi Global Rare Diseases and Protalix BioTherapeutics Receive Positive CHMP Opinion for Pegunigalsidase Alfa for Treatment of Fabry Disease protalix.com ↗
Chiesi Global Rare Diseases, a business unit of the Chiesi Group established to deliver innovative therapies and solutions for people affected by rare diseases, and Protalix BioTherapeutics, Inc. (NYSE American:PLX) (TASE:PLX), a biopharmaceutical company, announced today that the European Medicines Agency's (EMA) Committee for Medicinal Products for Human Use (CHMP) adopted a positive opinion, recommending marketing authorization for PRX–102 (pegunigalsidase alfa), the first and only pegylated enzyme for the treatment of adult patients with Fabry disease.

All press releases naming this drug 72 releases

DateIssuerRelease

Evidence & citations 8 cited values

Every value below carries the sentence it was read from. 13 sources stand behind the page.

FieldValueCited text
Known as pegunigalsidase alfa “A Multicenter Open-Label Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics, and Efficacy of Pegunigalsidase Alfa (PRX-102) in Japanese Patients With Fabry Disease (RISE)” NCT05710692 ↗
6

“This study aims to learn how safe pegunigalsidase alfa (PRX-102 for short) is and how it works at treating Fabry disease in children and adolescents.” NCT06328608 ↗

NCT04552691 ↗

NCT03566017 ↗

NCT03180840 ↗

NCT03018730 ↗

NCT03614234 ↗

Known as Elfabrio ChEMBL registry synonym — accepted as the source's own label CHEMBL4297801 ↗
Known as Pegunigalsidasa alfa ChEMBL registry synonym — accepted as the source's own label CHEMBL4297801 ↗
Known as Pegunigalsidase alfa-iwxj ChEMBL registry synonym — accepted as the source's own label CHEMBL4297801 ↗
Known as PRX-102 “pegunigalsidase alfa (PRX-102) is a drug made using genetic engineering techniques and manufactured using cultured tobacco cells.” NCT05710692 ↗
6

“This is an open label switch over study to assess the safety and efficacy of PRX-102 (pegunigalsidase alfa).” NCT03018730 ↗

NCT02795676 ↗

NCT01678898 ↗

NCT06328608 ↗

NCT01981720 ↗

NCT02921620 ↗

Action Restore “developed as enzyme replacement therapy (ERT) for Fabry disease (FD)” PMID 30834538 ↗ Apr 2019
Modality Protein / enzyme biologic “PRX-102, an enzyme being developed as a long-term enzyme replacement therapy” NCT01678898 ↗
Route Intravenous “receive PRX-102 as an intravenous infusion every 2 weeks for 12 weeks (3 months)” NCT01678898 ↗