New Phase III data for UCB’s Fintepla in Dravet syndrome
UCB published new Phase III trial data on Fintepla (fenfluramine) for Dravet syndrome in Epilepsia Open. Fintepla is approved for Lennox-Gastaut syndrome and generated €427M in 2025 sales, up 26% year-on-year. According to UCB, the data collates findings from three pivotal trials evaluating efficacy and safety.
How this was made

The 30-second read
Why it matters
The new data could expand the drug's label, increasing future revenue streams.
Market read
First report of pivotal Phase III results for a rare epilepsy indication.
What to watch
Regulatory approval timelines and reimbursement uncertainties could temper impact.
Background
Fintepla is already approved for Lennox‑Gastaut syndrome and generated €427 M in 2025.
Ticker impact
UCB published new peer‑reviewed Phase III data for Fintepla in Dravet syndrome.
Potential upside in UCB stock as investors price in expanded indication.
Phase III data are material for a listed biotech; first disclosure adds significant new information.
Market effects
Strengthens outlook for epilepsy therapeutics and may lift sector peers.
Positive for European biotech markets.
Adds to global pipeline of rare‑disease treatments.
Counterpoint
Skeptics may question commercial uptake and pricing in a niche market.
Key entities
- CompanyUCB
Belgian pharmaceutical company developing Fintepla.
- DrugFintepla
Fenfluramine formulation for epilepsy.


