Hemgenix (etranacogene dezaparvovec-drlb)
Hematopoietic Agents - Hematopoietic Gene Therapy Agents Intravenous Kit; Intravenous Vial (Ea)
Last reviewed · Source: First Databank (FDB) drug data
Overview
Etranacogene dezaparvovec-drlb is a recombinant adeno-associated virus serotype 5 (AAV5) vector-based gene therapy containing a codon-optimized DNA sequence of the gain-of-function Padua variant of human coagulation Factor IX.
USES: This medication is used to treat a certain blood clotting disease (hemophilia B). Hemophilia B is a genetic disorder caused by lack of a certain clotting protein (factor IX), or caused by clotting protein that does not work properly. Etranacogene dezaparvovec belongs to a class of drugs known as gene therapy.
It works by helping to increase your body's production of normal factor IX. This effect may decrease bleeding problems due to hemophilia B.
Generic name: etranacogene dezaparvovec-drlb
Drug class: Hematopoietic Agents - Hematopoietic Gene Therapy Agents
Therapeutic class: Biologicals
Reference product & biosimilars
No reference, biosimilar or interchangeable associated with this drug.
Today’s intelligence on Hemgenix
Indications
The following indications are listed for Hemgenix:
- Bleeding Episode In Hemophilia B
- Hemophilia B
Also known as: Christmas Disease, Factor Ix Deficiency, Factor Ix Dysfunction, Hemorrhaging In Hemophilia B, Plasma Thromboplastin Component Deficiency, Ptc Deficiency.
Dosing
It isessential that the manufacturer's labeling be consulted for more detailed information on dosage and administration of this drug. Dosage summary:
For single-use IV infusion only. Administer as an IV infusion through a peripheral venous catheter; do not administer as an IV push or bolus.
*Perform baseline testing to select patients, including testing for Factor IX inhibitor presence and liver health tests.
*The recommended dose of etranacogene dezaparvovec-drlb is 2 x 1013 genome copies (gc) per kg of body weight (or 2 mL/kg body weight). See Full Prescribing Information for instructions on calculating dose and number of vials required.
*Administer etranacogene dezaparvovec-drlb as an IV infusion after dilution with 0.9% sodium chloride (normal saline) at a constant infusion rate of 500 mL/hour (8 mL/minute).
*If an infusion-related reaction occurs during administration, decrease the infusion rate or stop the infusion. Administer treatment as needed to manage infusion reaction. If the infusion is stopped, restart the infusion at a slower rate when the infusion reaction is resolved. If the infusion rate needs to be reduced, or stopped and restarted, etranacogene dezaparvovec-drlb should be infused within 24 hours after the dose is prepared.
*See Full Prescribing Information for additional instructions on preparation and administration of etranacogene dezaparvovec-drlb, and for monitoring recommendations.
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Drug interactions
There is no enhanced messaging for this drug.
There are no contraindication interactions for this drug.
There are no severe interactions for this drug.
There are no moderate interactions for this drug.
Contraindications
*None.
There are no contraindication contraindications for this drug.
- Pregnancy
There are no moderate contraindications for this drug.
Adverse reactions
The most common adverse reactions (incidence >=5%) were elevated ALT, headache, blood creatine kinase elevations, flu-like symptoms, infusion-related reactions, fatigue, malaise, and elevated AST.
More Frequent
- Increased alanine transaminase
- Increased aspartate transaminase
Less Frequent
- Hypersensitivity drug reaction
More Frequent
- Fatigue
- Flu-like symptoms
- Headache disorder
- Increased creatine kinase level
Less Frequent
- Malaise
- Nausea
Precautions
No enhanced messaging available.
The safety and efficacy of etranacogene dezaparvovec-drlb in pediatric patients have not been established.
Etranacogene dezaparvovec is not intended for administration in women. No adverse effects on mating rate and fertility indices or fetal weights were observed in healthy naive female mice mated with healthy male mice that were IV administered a predecessor of etranacogene dezaparvovec-drlb product 6 days prior to mating. Vector DNA was not detected in the uterus, placenta, or fetus.
In the US general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.
Etranacogene dezaparvovec-drlb is not intended for administration in women.
The clinical studies included a total of 6 geriatric subjects 68 to 75 years of age with hemophilia B at the time of enrollment. No meaningful differences in the safety and efficacy profile were observed in these subjects compared to subjects 18 to 65 years of age, and no dose adjustment was made.
ICD codes
| Code | Type | Description |
|---|---|---|
| Bleeding episode in hemophilia B | ||
| D67 | ICD10CM | Hereditary factor IX deficiency |
| Hemophilia B | ||
| D67 | ICD10CM | Hereditary factor IX deficiency |
ICD code information from First Databank (FDB).
Formulary status
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Last reviewed · Source: First Databank (FDB) drug data
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