Brand-name prescription

Isembyld

apitegromab-mstn

Compare your options

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.

Compare	IsembyldBrand name	Authorized genericWithout the Isembyld name	Regular genericapitegromab-mstn
What pharmacies pay	Price not listed	Not sold	Not sold
Same as Isembyld?	The original	–	–
Ways to save	Maker’s cardas little as $0 a monthwith commercial insurance	–	–
With insurance	Your plan’s brand co-pay	–	–

No authorized generic: There isn’t one.

No regular generic: 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.

Co-pay cards can’t be used with Medicare (including Medicare Advantage), Medicaid, TRICARE or VA.

The maker’s savings card

Rx Maker’s savings card Scholar Rock

Scholar Rock Supports Commercial Copay Program

With commercial insurance

as little as $0 a month

No insurance

This card needs commercial insurance. The maker doesn’t list a cash price on this page.

Get it on scholarrocksupports.com

In the maker’s words

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

From the maker’s offer on scholarrocksupports.com, checked September 25, 2026. What you pay depends on your plan. Co-pay cards can’t be used with Medicare (including Medicare Advantage), Medicaid, TRICARE or VA.

Good to know

There’s no authorized generic of Isembyld.
“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.