Head-to-head evidence

bimekizumab vs sonelokimab

Same mechanism, same race: design-graded trial evidence for both assets, with the grading rationale shown. Grades describe the quality of the evidence, never the merits of either security.

Psoriasis

Shared mechanism: IL-17A/F · full Psoriasis pipeline

bimekizumab · Bimzelx

Marketed by UCB

Approved in Psoriasismonoclonal antibody
Reliable signal

NCT03370133 · Phase 3 · completed

This was a randomized, quadruple-blind, placebo- and active-controlled phase 3 trial involving 567 participants. Both prespecified clinical skin endpoints at week 16—PASI90 and Investigator’s Global Assessment response—were significantly better with bimekizumab than with placebo and ustekinumab (all p<0.001).

Next expected readout: March 2027 · NCT06506916 (registry estimate)

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sonelokimab

Developed by MoonLake Immunotherapeutics

Phase 2 in Psoriasisnanobody
Reliable signal

NCT03384745 · Phase 2 · completed

This was a well-powered, randomized, blinded, placebo-controlled trial using a validated skin-clearance measure as its primary endpoint, and every sonelokimab dose group achieved a substantially and statistically significantly higher clear/almost-clear skin rate than placebo at week 12.

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Psoriatic Arthritis

Shared mechanism: IL-17A/F · full Psoriatic Arthritis pipeline

bimekizumab · Bimzelx

Marketed by UCB

Approved in Psoriatic Arthritismonoclonal antibody
Reliable signal

NCT03370133 · Phase 3 · completed

This was a randomized, quadruple-blind, placebo- and active-controlled phase 3 trial involving 567 participants. Both prespecified clinical skin endpoints at week 16—PASI90 and Investigator’s Global Assessment response—were significantly better with bimekizumab than with placebo and ustekinumab (all p<0.001).

Next expected readout: March 2027 · NCT06506916 (registry estimate)

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sonelokimab

Developed by MoonLake Immunotherapeutics

Phase 3 in Psoriatic Arthritisnanobody
Partial signal

NCT05640245 · Phase 2 · completed

The study randomized 207 participants and used triple blinding with both placebo and active adalimumab comparator arms. Its primary endpoint was the clinical ACR50 response at week 12. Registry results were not posted at the time of grading; the key result shown was recovered from the cited external source.

Caveat: this result is taken from a company announcement or a news report of one, not from the trial registry or a peer-reviewed publication. Treat the figures as the sponsor's own statement, not as independently verified evidence.

Next expected readout: January 2027 · NCT06641089 (registry estimate)

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The full competitive landscape for each asset (every same-race competitor with aligned evidence, sortable) is on the asset pages: bimekizumab's landscape · sonelokimab's landscape