Vyondys 53
Pronunciation: vee-yon-deez
Generic name: golodirsen
Other brand names of golodirsen include: Vyondys, Vyondys 53
Dosage form: injection for intravenous infusion (100 mg/2 mL)
Drug class: Miscellaneous uncategorized agents
What is Vyondys 53?
Vyondys 53 is used for Duchenne muscular dystrophy (DMD) in children and young adults with a certain gene mutation. It is an exon-skipping treatment given 1 time a week via an intravenous infusion by a healthcare provider.
- Vyondys and Vyondys 53 are the same medicine. Vyondys is just a shortened name. They are both names for golodirsen injection.
- Your healthcare provider will conduct a genetic test to identify if you or your child is one of the estimated 8% of people with DMD who are suitable for treatment with Vyondys 53.
Vyondys 53 (golodirsen) gained FDA approval on December 12, 2019, under the accelerated approval designation. Continued approval may be contingent upon verification of a clinical benefit in clinical trials.
How does Vyondys 53 work?
Vyondys' mechanism of action uses exon-skipping technology to skip over exon 53, which allows the body to make a shorter form of a protein called dystrophin, needed for muscle integrity. People with DMD have a genetic mutation in the gene that encodes for this protein, which means they cannot produce enough, or any, working copies of this protein. Without this protein, muscle cells become damaged and weaken with time.
By skipping over exon 53, Vyondys allows different exons to join together to produce a dystrophin protein that is shorter but has some function. Clinical trials report exon-skipping as confirmed by muscle biopsy in 25 of 25 study participants. After 48 weeks of treatment, participants showed an average increase of nearly 16 times their baseline level of dystrophin.
Vyondys 53 belongs to the drug class called antisense oligonucleotides.
Side effects
The most common side effects of Vyondys are:
- headache
- fever
- fall
- abdominal pain
- nose or throat infection
- cough
- vomiting
- nausea.
Other common side effects of Vyondys are:
- pain at the injection site or reactions related to the IV catheter site
- back pain, mouth or throat pain, or general pain
- diarrhea or constipation
- dizziness
- flu, stuffy/runny nose, ear infections, seasonal allergies
- bruising, skin scratches or scrapes, ligament stretches or tears, broken bones
- fast heartbeat.
Serious side effects and warnings
Vyondys 53 can cause the following serious side effects:
- Hypersensitivity reactions, including anaphylaxis, rash, fever, itch, hives, dermatitis, and skin exfoliation, have occurred in patients treated with Vyondys 53. If these occur during the infusion, notify your healthcare provider immediately. Get emergency medical help if you have signs of an allergic reaction: hives, itching, rash, blistering or peeling, fever, difficult breathing, or swelling of your face, lips, tongue, or throat.
- Kidney damage. Vyondys 53 may damage your kidneys. Your healthcare provider will monitor your kidney function during treatment. Call your doctor at once if you have:
- pink, brown, or red urine;
- foamy urine; or
- swelling in your face, hands, feet, or stomach.
This is not a complete list of side effects, and others may occur. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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Before receiving this medicine
Before receiving Vyondys 53, tell your healthcare provider if you:
- have or have had kidney problems
- have had an allergic reaction to Vyondys 53, golodirsen, or any of the inactive ingredients in the injection
- are pregnant or intending to become pregnant
- are breastfeeding or intend to breastfeed.
How will I receive Vyondys 53?
Vyondys is administered as an IV infusion (an infusion into your vein) 1 time a week by a healthcare provider.
- They may apply a topical anesthetic cream to the site where the infusion will be administered, if needed, to help numb the area.
- Vyondys 53 must be given slowly, and the infusion can take 35 to 60 minutes to complete.
Hypersensitivity reactions can occur when Vyondys 53 is administered. If this happens, then the infusion may need to be slowed or interrupted.
Your kidney function may need to be checked while receiving treatment with Vyondys 53.
Dosing information
Check serum cystatin C, urine dipstick, and urine protein-to-creatinine ratio before starting Vyondys 53.
- Usual dosage: 30 mg/kg once weekly via IV infusion 1 time a week.
- Infuse over 35 to 60 minutes via an inline 0.2 micron filter. Dilute before administration.
What happens if I miss a dose?
Call your doctor for instructions if you miss an appointment for your Vyondys 53.
What should I avoid while receiving Vyondys 53?
Follow your doctor's instructions about any restrictions on food, beverages, or activity.
What other drugs will affect Vyondys 53?
Other drugs may affect Vyondys 53, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.
Vyondys 53 ingredients
Active ingredients: golodirsen 100 mg (50 mg/mL)
Inactive ingredients: Each milliliter contains 0.2 mg potassium chloride, 0.2 mg potassium phosphate monobasic, 8 mg sodium chloride, and 1.14 mg sodium phosphate dibasic, anhydrous, in water for injection. May contain hydrochloric acid or sodium hydroxide to adjust pH.
Formulated as an isotonic phosphate-buffered saline solution with an osmolality of 260 to 320 mOsm and a pH of 7.5.
Available as a 100 mg/2 mL (50 mg/mL) in a single-dose vial for injection.
Manufacturer
Vyondys 53 is manufactured by Sarepta Therapeutics, Inc. Their headquarters are located in Cambridge, Massachusetts, USA. Sarepta Therapeutics specializes in the development of RNA-targeted therapeutics, with a focus on treatments for rare diseases, particularly Duchenne muscular dystrophy (DMD).
Popular FAQ
What are the new drugs for DMD (Duchenne muscular dystrophy)?
The new drugs approved by the FDA for the treatment of Duchenne Muscular Dystrophy (DMD) are Agamree, Amondys 45, Duvyzat, Elevidys, Emflaza, Exondys 51, Viltepso, and Vyondys 53. They include classes such as antisense oligonucleotides, glucocorticoid (corticosteroids), a gene therapy and a histone deacetylase (HDAC) inhibitor. Continue reading
How does Vyondys 53 work?
Vyondys 53 is an antisense oligonucleotide that works by binding to exon 53 of dystrophin pre-mRNA, which results in this exon being skipped over during mRNA processing. Skipping of exon 53 allows cells to join different exons together to produce a dystrophin protein that is shorter but has some function. Continue reading
How long does it take for Vyondys 53 to work?
Results from a small phase I/II clinical trial show that treatment with Vyondys 53 increases dystrophin protein levels within 48 weeks of starting treatment. Continue reading
How is Vyondys 53 administered?
Vyondys 53 (golodirsen) is administered by intravenous (IV) infusion once a week by a healthcare provider. Continue reading
References
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.