Rare Disease

FDA designations for investigational GEn-1123 may support development in Duchenne muscular dystrophy, but clinical data remain limited.

The FDA extended its review of adrabetadex for infantile-onset Niemann-Pick disease type C to November 17, 2026, after a major NDA amendment.

Phase 3 data showed vosoritide significantly improved annualized growth velocity and height outcomes in children with hypochondroplasia.

FDA accepted a levacetylleucine sNDA for ataxia-telangiectasia and set a September 19, 2026, target action date.

Early OTC-HOPE data link ECUR-506 to fewer hyperammonemic events in infants with neonatal-onset OTC deficiency.

BMN 401 met a biochemical end point but missed radiographic improvement in a phase 3 trial of children with ENPP1 deficiency.

RVL-001, a vorinostat formulation, has entered early placebo-controlled studies in Rett syndrome and Pitt-Hopkins syndrome.

ABS-1230 entered phase 1b/2 testing for KCNT1-related epilepsy as Actio also joined the FDA Rare Disease Evidence Principles process.

Two-year data from the pivotal ApproaCH trial showed sustained growth improvements with TransCon CNP in pediatric achondroplasia.

FDA granted rare pediatric disease designation to SB-101 for urea cycle disorders, a cell-based liver therapy set for phase 1/2 testing.

FDA granted rare pediatric disease designation to investigational (Z)-endoxifen for McCune-Albright syndrome in girls.

The approval marks the first treatment option for patients with this rare condition.

UCB leadership discusses how bridging regulatory approval and real-world access requires integrated care coordination and a long-term commitment to the patient journey.

New international pediatric HAE guideline recommends oral sebetralstat as first-line acute therapy for adolescents 12 years and older.

The approval marks the first treatment for this neurodegenerative with a low survival rate beyond 3 years.

The FDA approved fibrinogen, human-chmt to treat acute bleeding episodes in adult and pediatric patients with congenital fibrinogen deficiency.