Wednesday, July 8, 2026

Drug profile · INN

burosumab-twza

burosumab-twza (CRYSVITA) is a fibroblast growth factor 23 inhibitor. Route of administration: injection. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 0
Pipeline programs 3
News articles 0
Drug details — burosumab-twza
US status
approved
Class
Route
INJECTION
Patents
0
Programs
3
Data quality
0.84

Quick answer

burosumab-twza (CRYSVITA) is a fibroblast growth factor 23 inhibitor. Route of administration: injection. Current US regulatory status: approved.

Key facts

INN burosumab-twza
Brand CRYSVITA
Mechanism Fibroblast growth factor 23 inhibitor
Target Fibroblast growth factor 23
Route INJECTION
Formulation INJECTABLE

Mechanism of action

Fibroblast growth factor 23 inhibitor

Primary target: Fibroblast growth factor 23

Approval history

Authority Status Date
FDA approved

Pipeline programs

  1. Burosumab Phase 3 · Ultragenyx UK · Hypophosphatemia
  2. Burosumab Phase 1 · Ultragenyx UK · Cutaneous Skeletal Hypophosphatemia Syndrome (CSHS)
  3. Crysvita (burosumab-twza) Treatment Approved · Ultragenyx UK · Epidermal Nevus Syndrome

Related & competitor drugs

  1. burosumab Musculo-skeletal system (M05)

Frequently asked questions

What is burosumab-twza?

burosumab-twza (CRYSVITA) is a fibroblast growth factor 23 inhibitor. Route of administration: injection. Current US regulatory status: approved.

What is the brand name for burosumab-twza?

CRYSVITA is a marketed brand name for burosumab-twza. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of burosumab-twza?

burosumab-twza has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.