Crohn's disease and ulcerative colitis: every molecule in Phase 3 or under review for authorisation.
How a medicine reaches us
Phase 1Is it safe? A few dozen people.
Phase 2Does it work? A few hundred.
Phase 3Confirming it on a large scale. Hundreds to thousands.
AuthorisedYour doctor can prescribe it.
Reading the bar:blue = stage passed, yellow = stage under way.
Already arrived in Europe in recent yearsVelsipity (UC, 2024), Skyrizi (UC, 2024), Omvoh (UC 2023, Crohn's 2025), Tremfya (Crohn's and UC, 2025). Stelara biosimilars are bringing prices down, and a first Entyvio biosimilar is under review in Europe. Ask your gastro which of these may concern you.
Anti-TL1A drugs: a brand-new family
They block TL1A, a signal that keeps inflammation going and encourages scarring in the gut.
Tulisokibart
MSD · Infusion then injection
Pathway: TL1A
UCPhase 3: goal met (June 2026), figures not yet released
Crohn'sPhase 3 under way
Possible arrival: around 2028
Duvakitug
Sanofi and Teva · Infusion then injection
Pathway: TL1A
Phase 2b: 58% remission in UC at 44 weeks, among the 130 patients who had responded at the start of treatment (no placebo).
UCPhase 3 under way
Crohn'sPhase 3 under way
Possible arrival: 2028-2029
Afimkibart
Roche · Infusion then injection
Pathway: TL1A
Also being tested in children.
UCPhase 3, results expected in 2027
Crohn'sPhase 3 under way
Possible arrival: 2028-2029
The anti-IL-23 family (Skyrizi, Omvoh, Tremfya)
They cut off IL-23, a messenger that gives the order to inflame the gut.
Icotrokinra
Johnson & Johnson · Tablet
Pathway: IL-23 receptor
The first tablet that blocks the IL-23 receptor. Already approved in the US for psoriasis (March 2026).
UCPhase 3 under way
Crohn'sPhase 2b/3 under way
Possible arrival: after 2028
Skyrizi: subcutaneous induction
risankizumab, AbbVie · Injection
Pathway: IL-23
Maintenance is already given as an injection at home. New: the start of treatment too, with 4 injections at home (an injector stuck on the skin) instead of 3 infusions in hospital.
Crohn'sApproved in the US on 23 October 2026, Europe still to come
Possible arrival: soon in Europe
Two drugs in one
Two known brakes on inflammation are combined to go further than one alone.
JNJ-4804
Tremfya + Simponi, Johnson & Johnson · Injection
Pathway: IL-23 + TNF
DUET programme: Phase 2b met its goals in more than 1,000 patients (May 2026).
UCPhase 2b met its goals, Phase 3 announced
Crohn'sPhase 2b met its goals, Phase 3 announced
Possible arrival: 2029 or later
New tablets
Two new ways to calm the gut, with no injection.
Obefazimod
Abivax, a French company · Tablet
Pathway: miR-124
Boosts a natural brake on inflammation. Among those who had responded in the first 8 weeks: 51% remission at 44 weeks versus 10% on placebo.
UCPhase 3 met its endpoints, US filing planned for late 2026
Crohn'sPhase 2b, results mid-2027
Possible arrival: UC 2027-2028
Omilancor
NImmune · Tablet
Pathway: LANCL2
Rebalances the defences in the gut wall.
UCPhase 3 announced by the company, results not yet published