What Is VYONDYS 53?

An exon-skipping therapy used to treat Duchenne.

VYONDYS 53 is used to treat patients with Duchenne muscular dystrophy (DMD) who have a confirmed mutation in the dystrophin gene that can be treated by skipping exon 53.

This indication is approved under accelerated approval based on an increase in dystrophin production in skeletal muscle observed in patients treated with VYONDYS 53. Continued approval for this indication may be contingent upon verification of a clinical benefit in confirmatory trials.

Meet Nicholas, age 17
Amenable to exon 53 skipping

David's treatment journey with VYONDYS 53

Embark on David’s journey with VYONDYS 53 as he and his family share their treatment goals and experiences, how VYONDYS 53 fits into their lives, and the vital role SareptAssist plays in their journey.

How does it work?

VYONDYS 53 is an exon-skipping therapy that helps the body make a shorter form of the dystrophin protein. Find out more about VYONDYS 53 and the results from its clinical studies.

Get the Details

VYONDYS 53 packaging

A lack of dystrophin protein

Exon-skipping technologies strive to address the underlying issue with Duchenne—a lack of the protein dystrophin. Many people with Duchenne have a genetic mutation in which one or more exons in the dystrophin gene are missing. This causes errors in the instructions for making dystrophin, leaving the body unable to produce the protein.

Exon skipping tells the body to hide an exon so the whole section can be skipped over and the remaining exons can fit together. VYONDYS 53 is intended to bind with exon 53. VYONDYS 53 helped some boys with DMD amenable to skipping exon 53 to make a shorter form of dystrophin protein.

See How It Works

Graphic of train cars representing exon skipping

Informed decisions

There are certain risks and side effects associated with VYONDYS 53. As with any medication, you should discuss risks and side effects with your child's doctor.

See Important Safety Information

Nicholas, age 17 Amenable to exon 53 skipping – and his dog

WHAT IS VYONDYS 53 (golodirsen)?

VYONDYS 53 is used to treat patients with Duchenne muscular dystrophy (DMD) who have a confirmed mutation in the dystrophin gene that can be treated by skipping exon 53.

This indication is approved under accelerated approval based on an increase in dystrophin production in skeletal muscle observed in patients treated with VYONDYS 53. Continued approval for this indication may be contingent upon verification of a clinical benefit in confirmatory trials.

IMPORTANT SAFETY INFORMATION

Contraindications: Do not receive VYONDYS 53 if you are allergic to golodirsen or any of the ingredients in VYONDYS 53. Serious allergic reactions to golodirsen have included anaphylaxis, which may include difficulty breathing and tightness in the chest.

Hypersensitivity Reactions: Serious allergic reactions, including anaphylaxis, have occurred in patients who were treated with VYONDYS 53. Additional allergic reactions, including rash, fever, itching, hives, and inflammation and/or peeling of the skin have occurred in patients who were treated with VYONDYS 53. Patients should seek immediate medical care should they experience signs and symptoms of allergic reaction. Your doctor will institute appropriate medical treatment which may include slowing, interrupting, or discontinuing the VYONDYS 53 infusion. Your doctor will monitor you until the condition resolves.

IMPORTANT SAFETY INFORMATION

Contraindications: Do not receive VYONDYS 53 if you are allergic to golodirsen or any of the ingredients in VYONDYS 53. Serious allergic reactions to golodirsen have included anaphylaxis, which may include difficulty breathing and tightness in the chest.

Hypersensitivity Reactions: Serious allergic reactions, including anaphylaxis, have occurred in patients who were treated with VYONDYS 53. Additional allergic reactions, including rash, fever, itching, hives, and inflammation and/or peeling of the skin have occurred in patients who were treated with VYONDYS 53. Patients should seek immediate medical care should they experience signs and symptoms of allergic reaction. Your doctor will institute appropriate medical treatment which may include slowing, interrupting, or discontinuing the VYONDYS 53 infusion. Your doctor will monitor you until the condition resolves.

Kidney Toxicity and Monitoring: Damage to the kidneys was seen in animals who received golodirsen. Although damage to the kidneys was not seen in clinical studies with VYONDYS 53, potentially fatal kidney damage has occurred with other drugs that work in a similar way. Your doctor may recommend urine and blood testing before starting treatment followed by urine testing every month and a blood test every 3 months to monitor your kidneys.

Adverse Reactions: Side effects that have occurred in at least 20% of patients treated with VYONDYS 53 and more often than in patients who received an inactive intravenous (IV) infusion were headache (41%, 10%), fever (41%, 14%), fall (29%, 19%), pain in the abdomen (27%, 10%), infection of the nose and throat (27%, 14%), cough (27%, 19%), vomiting (27%, 19%), and nausea (20%, 10%).

Other side effects that occurred in greater than 5% of patients treated with VYONDYS 53 and more often than in patients who received an inactive IV infusion were pain at the IV site, back pain, pain, diarrhea, dizziness, stretch or tear in a ligament, bruising, flu, pain in the mouth and throat, stuffy or runny nose, scrapes or scratches of the skin, ear infection, seasonal allergy, fast heartbeat, reactions related to the IV catheter site, constipation, and broken bones.

What do I do if I have side effects?
Ask your healthcare provider for advice about any side effects that concern you.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088. You may also report side effects to Sarepta Therapeutics at 1-888-SAREPTA (1-888-727-3782).

The information provided here does not include all that is known about VYONDYS 53. To learn more, talk with your healthcare provider.

Before receiving this infusion, please see the full Prescribing Information for VYONDYS 53 (golodirsen).