Isembyld savings card: as little as $0 a month with commercial insurance

Isembyld is given by a doctor or nurse and billed by the clinic, not a pharmacy. Your care team and your insurance decide which product you get, so ask them what you’d pay.

How to pay the least

Given by your care team

Billed by the clinic

Isembyld is given by a doctor or nurse, not picked up at a pharmacy.

Ask your care team or your plan what you’d pay before your visit.

Compare every option

Brand nameIsembyld

Authorized genericapitegromab-mstn

Regular genericapitegromab-mstn

What you’d pay

Cash priceAsk the pharmacy

Not soldThere isn’t one

Not soldAsk the pharmacy

Same as Isembyld?

The original

–

Brand nameThe maker’s card

Scholar Rock Supports Commercial Copay Program

Savings card from Scholar Rock

No insuranceNeeds insuranceNo cash price listed.

Insurance · as little as $0 a month

Or call 1-833-777-5444.

In the maker’s words

“to as low as $0 per month for ISEMBYLD…”

From the maker’s offer on scholarrocksupports.com, checked November 2, 2026. Co-pay cards can’t be used with Medicare (including Medicare Advantage), Medicaid, TRICARE or VA.

Authorized genericNot sold

There isn’t one. An authorized generic is Isembyld itself, from the same company, sold without the brand name, and usually for less. For now Isembyld is the only choice; its maker’s savings card can lower what you pay.

See the brand name →

Regular genericNot sold

Isembyld is a biologic. Biologics don’t have generics, but some have biosimilars or an unbranded version from the same maker. Ask your pharmacist or prescriber whether one is sold. Generics usually come once the brand’s patents and exclusivity end. Until then, the maker’s savings card is the way to pay less.

See the brand name →

What it’s used for

Spinal muscular atrophy (SMA)

What the FDA label says

ISEMBYLD is a recombinant monoclonal antibody targeting proforms of myostatin, indicated for the treatment of spinal muscular atrophy (SMA) in adults and pediatric patients 2 years of age and older who are currently receiving a survival motor neuron 2 (SMN2)-targeted treatment.

Source: the FDA label for Isembyld (Scholar Rock, Inc.), September 14, 2026. Full label on DailyMed

Good to know

“Commercial insurance” means a plan from a job, from the marketplace, or one you buy yourself. A retiree plan that’s part of Medicare counts as Medicare. Co-pay cards can’t be used with Medicare (including Medicare Advantage), Medicaid, TRICARE or VA.
Most cards need a sign-up on the maker’s site, and many work only if your plan covers the drug. Then give the card’s details to the clinic’s billing office.
Don’t stop or change a medicine without talking to your pharmacist or prescriber.

Prices checked November 2, 2026. Prices change: confirm with the pharmacy before you fill. drugalt.com/drug/isembyld/