See the DrugPatentWatch profile for Vyondys
What ingredients are in Vyondys (viltolarsen)?
Vyondys 53 is an antisense oligonucleotide medicine (viltolarsen). The active ingredient is viltolarsen, supplied as a sterile concentrate for intravenous use. The exact full list of inactive (excipients) ingredients is not provided in the information available here.
What is viltolarsen (and what does “antisense” mean)?
Viltolarsen is an antisense oligonucleotide designed to bind to specific RNA in the body, with the goal of helping modify how the dystrophin message is processed. Because it is an oligonucleotide drug, it is formulated with additives to stabilize the solution and support dosing, but those excipients are not listed here.
Are there allergens or excipients people should ask about?
If you need to check for sensitivities (for example, to specific preservatives, salts, or solvents), you typically need the full prescribing information package insert for Vyondys 53, because excipients can vary by formulation.
If you tell me what you need, I can narrow it down
If you share whether you’re asking for (1) the active ingredient only, (2) the full list of inactive ingredients/excipients, or (3) ingredients relevant to allergies or kidney/liver concerns, I can tailor the answer to that use case.