Genes carry instructions that tell the body how to build specific proteins. Changes in the instructions are called gene mutations or variants.
People receive 2 versions of each gene, 1 from each parent. In dominant inheritance, only 1 copy of the gene with a mutation or variant is sufficient to cause a disorder. In recessive inheritance, 2 copies are required.
Dominant dystrophic epidermolysis bullosa
DDEB occurs when a child inherits 1 copy of a dominant COL7A1 gene variant.
Recessive dystrophic epidermolysis bullosa
RDEB occurs when a child inherits 2 copies of a recessive COL7A1 gene variant.
DEB symptoms can appear the same as other EB types and even other skin conditions. This means diagnosis based on symptoms alone can be unreliable.
Skin Biopsy can help show EB type, but it may be incomplete or inaccurate and may not be able to distinguish dominant DEB (DDEB) from recessive DEB (RDEB).
Genetic Testing uses a sample of blood or a cheek swab and can accurately identify DEB, as well as determine:
VYJUVEK is a topical gel used to treat wounds in patients 6 months and older with dystrophic epidermolysis bullosa (DEB).
VYJUVEK gel must be applied by a healthcare provider.
After treatment, patients and caregivers should be careful not to touch treated wounds and dressings for 24 hours. If accidentally exposed to the VYJUVEK gel, clean the affected area.
Wash hands and wear protective gloves when changing wound dressings. Disinfect bandages from the first dressing change with a virucidal agent, and dispose of the disinfected bandages in a separate sealed plastic bag in household waste. Dispose of the subsequent used dressings in a sealed plastic bag in household waste.
Patients should avoid touching or scratching wound sites or wound dressings.
The most common adverse reactions (>5%) were itching, chills, redness, rash, cough, and runny nose. These are not all the possible side effects with VYJUVEK. Call your healthcare provider for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or to the Sponsor at 1-844-557-9782.
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