FILSPARI vs VOYXACT

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. FILSPARI and VOYXACT are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	FILSPARI	VOYXACT
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	SPARSENTAN	SIBEPRENLIMAB-SZSI
Manufacturer	Travere	Otsuka
Dosage forms	Tablet	Injectable
Drug class	Angiotensin 2 Receptor Blocker	—
Boxed warning	Boxed warning	None
Treats	Proteinuria	Iga Glomerulonephritis, Proteinuria

filspari voyxact

Rating

New

Pharmacy pays

—

Type

Active ingredient

SPARSENTAN

SIBEPRENLIMAB-SZSI

Manufacturer

Travere

Otsuka

Dosage forms

Tablet

Injectable

Drug class

Angiotensin 2 Receptor Blocker

—

Boxed warning

None

Treats

Proteinuria

Iga Glomerulonephritis, Proteinuria

Frequently asked questions

What is the difference between Filspari and Voyxact?

Filspari contains Sparsentan, while Voyxact contains Sibeprenlimab-Szsi — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.