89Bio’s NASH Hopes Hang On Demonstrating Best-In-Class FGF21 Profile
89Bio thinks its Phase II FGF21 analog could prove best-in-class in NASH due to a longer half-life than Bristol’s pegbelfermin, and avoid the LDL-increasing effects seen with NGM’s FGF19 analog.
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At EASL 2021, Akero presented efruxifermin data showing benefit in cirrhotic NASH patients and strong liver fat reduction, but may be challenged in the FGF21 analog class by 89Bio.
Analysts say the cirrhosis-reversing benefit seen with Akero’s efruxifermin portends well for the entire class, and that 89bio might differentiate on safety, tolerability and dosing frequency.