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Etranacogene dezaparvovec

Generic Name
Etranacogene dezaparvovec
Brand Names
Hemgenix
Drug Type
Biotech
CAS Number
2156583-26-3
Unique Ingredient Identifier
Z5XCD5Q9RL

Overview

Hemophilia B - also called factor IX deficiency or Christmas disease - is an X-linked genetic disorder resulting in an absence or deficiency of clotting factor IX. Clotting factors, including factor IX, are necessary components of the signaling cascade responsible for blood clotting and subsequent wound healing. Symptoms of hemophilia B, therefore, involve a heightened susceptibility to bleeding episodes - in mild cases, bleeding may only occur after injury, while in more severe cases bleeding may occur after a minor injury or even spontaneously. Hemophilia B is the second most common type of hemophilia, with a prevalence of approximately one in 40,000. Men are most likely to experience symptomatic illness due to the X-linked provenance of the disorder. Treatment of hemophilia B primarily involves the routine replacement of factor IX using recombinant or donor-derived factor IX products that, while effective, may be burdensome for the patient due to the requirement of routine intravenous infusions. Etranacogene dezaparvovec (Hemgenix, CSL Bering LLC) is a gene therapy for the treatment of hemophilia B that provides a new treatment modality for its patients. The therapy involves a one-time infusion of a viral vector carrying a codon-optimized DNA sequence of the gain-of-function Padua variant of human Factor IX controlled by a liver-specific promotor 1. It delivers a copy of the deficient gene that results in cell transduction and an eventual increase in circulating factor IX activity. Etranacogene dezaparvovec was approved by the FDA in November 2022 for the treatment of select patients with hemophilia B, becoming the first gene therapy approved for this indication. It is additionally notable for its cost per treatment - approximately 3.5 million USD - earning it the title of most expensive drug in the world. In December 2022, the EMA's Committee for Medicinal Products for Human Use (CHMP) recommended etranacogene dezaparvovec be granted marketing authorization for the treatment of severe and moderately severe Haemophilia B. In February 2023, etranacogene dezaparvovec was approved by the EMA.

Background

Hemophilia B - also called factor IX deficiency or Christmas disease - is an X-linked genetic disorder resulting in an absence or deficiency of clotting factor IX. Clotting factors, including factor IX, are necessary components of the signaling cascade responsible for blood clotting and subsequent wound healing. Symptoms of hemophilia B, therefore, involve a heightened susceptibility to bleeding episodes - in mild cases, bleeding may only occur after injury, while in more severe cases bleeding may occur after a minor injury or even spontaneously. Hemophilia B is the second most common type of hemophilia, with a prevalence of approximately one in 40,000. Men are most likely to experience symptomatic illness due to the X-linked provenance of the disorder. Treatment of hemophilia B primarily involves the routine replacement of factor IX using recombinant or donor-derived factor IX products that, while effective, may be burdensome for the patient due to the requirement of routine intravenous infusions. Etranacogene dezaparvovec (Hemgenix, CSL Bering LLC) is a gene therapy for the treatment of hemophilia B that provides a new treatment modality for its patients. The therapy involves a one-time infusion of a viral vector carrying a codon-optimized DNA sequence of the gain-of-function Padua variant of human Factor IX controlled by a liver-specific promotor 1. It delivers a copy of the deficient gene that results in cell transduction and an eventual increase in circulating factor IX activity. Etranacogene dezaparvovec was approved by the FDA in November 2022 for the treatment of select patients with hemophilia B, becoming the first gene therapy approved for this indication. It is additionally notable for its cost per treatment - approximately 3.5 million USD - earning it the title of most expensive drug in the world. In December 2022, the EMA's Committee for Medicinal Products for Human Use (CHMP) recommended etranacogene dezaparvovec be granted marketing authorization for the treatment of severe and moderately severe Haemophilia B. In February 2023, etranacogene dezaparvovec was approved by the EMA.

Indication

Etranacogene dezaparvovec (Hemgenix) is indicated for the treatment of adults with hemophilia B who fit one of the following criteria:

Associated Conditions

  • Hemophilia B
  • Moderately Severe Hemophilia B
  • Severe Hemophilia B

Clinical Trials

Title
Posted
Study ID
Phase
Status
Sponsor

No clinical trials found

No clinical trials found for this drug

FDA Approved Products

Product Name
Manufacturer
Route
Strength
Approved
NDC Code

No FDA products found

No FDA products found for this drug

EMA Approved Products

Medicine Name
EMA Number
Auth. Holder
Country
Drug Type
Status
Issued
Opinion
Revision
EMEA/H/C/004827
Germany
Orphan
Authorised
2023/02/20
2022/12/15
6

HSA Approved Products

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Manufacturer
Dosage Form
Strength
Approved
Approval No.

No HSA products found

No HSA products found for this drug

NMPA Approved Products

Product Name
Approval No.
Manufacturer
Dosage Form
Trade Name
Strength
Type
Status
Date
Import

No NMPA products found

No NMPA products found for this drug

PPB Approved Products

Product Name
Registration Code
Company
Category
Sale Type
Reg. Date
HK-68510
Part 1, Schedule 1 & Schedule 3 Poison
POM
2024/12/16

TGA Approved Products

Product Name
ARTG ID
Sponsor
Status
Reg. Date
Ingredient
405360
Active
2024/03/19
etranacogene dezaparvovec
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