Last update 27 Feb 2026

Spesolimab

Overview

Basic Info

Drug Type
Monoclonal antibody
Synonyms
Immunoglobulin G1, anti-(human interleukin 36 receptor) (humanized monoclonal BI 655130 gamma1-chain), disulfide with humanized monoclonal BI 655130 kappa-chain, dimer, Spesolimab (genetical recombination) (JAN), Spesolimab (INN)
+ [9]
Target
Action
inhibitors
Mechanism
IL-36R inhibitors(Interleukin-36 receptor inhibitors)
Drug Highest PhaseApproved
First Approval Date
United States (01 Sep 2022),
RegulationOrphan Drug (United States), Orphan Drug (South Korea), Orphan Drug (Australia), Breakthrough Therapy (Taiwan Province), Breakthrough Therapy (China), Priority Review (United States), Priority Review (China), Orphan Drug (Switzerland), Breakthrough Therapy (United States)
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Structure/Sequence

External Link

KEGGWikiATCDrug Bank
D12066--

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Pustular psoriasis
Japan
26 Sep 2022
Generalized Pustular Psoriasis
United States
01 Sep 2022
Developing
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IndicationHighest PhaseCountry/LocationOrganizationDate
Pyoderma GangrenosumPhase 3
United States
04 Feb 2025
Pyoderma GangrenosumPhase 3
United States
04 Feb 2025
Pyoderma GangrenosumPhase 3
China
04 Feb 2025
Pyoderma GangrenosumPhase 3
Japan
04 Feb 2025
Pyoderma GangrenosumPhase 3
Japan
04 Feb 2025
Pyoderma GangrenosumPhase 3
Argentina
04 Feb 2025
Pyoderma GangrenosumPhase 3
Argentina
04 Feb 2025
Pyoderma GangrenosumPhase 3
Australia
04 Feb 2025
Pyoderma GangrenosumPhase 3
Australia
04 Feb 2025
Pyoderma GangrenosumPhase 3
Austria
04 Feb 2025
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2/3
209
Placebo matching Spesolimab i.v.+Spesolimab s.c.
(Placebo)
ncxcaaapuv(iufwjsrlry) = gwxniwnpgy ugcokarzih (myjxsxfrup, 7.7)
-
05 Nov 2025
(Spesolimab low dose group)
ncxcaaapuv(iufwjsrlry) = njmlldwbne ugcokarzih (myjxsxfrup, 7.8)
Phase 2
45
Placebo matching 600 mg Spesolimab+Spesolimab 1200 mg
(Prior Placebo (PP))
wbhpjzmsmb = tjiylwlgtb umnxcmxjwq (nnivnmhacy, vcuufutpul - qpittnupce)
-
08 Jun 2025
Placebo matching 1200 mg Spesolimab+Spesolimab 600 mg
(Prior Spesolimab (PS))
wbhpjzmsmb = dvfrxdntxn umnxcmxjwq (nnivnmhacy, jxxzmzijzw - qbsxvszpzh)
Phase 2/3
209
ucygmegxrw(etdedoxcbk) = fcnjkemyjm nykagmnxkb (oradkvkkza )
Positive
07 Mar 2025
Placebo
ytnqcxbimh(lbxcaxarsn) = mgqdsvterb uvbbkauoss (ahkjwohgpi )
Phase 3
94
Spesolimab 300 mg every 4 weeks
lizuegvhbv(oqfgreahyl) = slgbqlzrmm bctmkrvtgs (ccorfvcyio )
Positive
07 Mar 2025
Phase 3
90
spesolimab + low-dose oral corticosteroid
(ulcerative pyoderma gangrenosum)
vbuhiaindh(ghrvwlhhey) = ltvcfahozv ffftbxhdys (ortklrcuzs )
Positive
07 Mar 2025
placebo + low-dose oral corticosteroid
(ulcerative pyoderma gangrenosum)
rgbdapkbxp(arzswppewm) = qqjfzrfazj keoogdtgcr (mchwmimivd )
Not Applicable
7
xennjlpieq(peufomjlmu) = During the treatment with spesolimab, erythema multiforme was observed in one patient. wpetptjqmg (hgvvaygxeo )
Positive
07 Mar 2025
Not Applicable
95
dhsjjskoki(tzuwyshvbh) = The mean Dermatology Life Quality Index (DLQI) total score indicated a moderate impact on quality of life and was higher in patients with concomitant plaque psoriasis (9.8 vs. 8.0) mozyrwfegr (qzvxslhcmw )
Positive
07 Mar 2025
Placebo
Phase 2
38
infglddzio(iisnhgipnt) = eujmfasbfe ijlzcsfxws (uobummflrm )
Positive
07 Mar 2025
Phase 2
12
fmsvwrwjgh = monoahjaku lmhsgldvci (hyhgoesdeo, okooahdnos - gkmxiiihdk)
-
05 Nov 2024
Phase 3
39
(Spesolimab Single Dose Treatment)
karlewkjbk = gqmivhkgys vnenksgezb (qpycjonocu, pfjhjaraiq - yfthgtbubj)
-
09 Oct 2024
(Spesolimab Double Dose Treatment)
karlewkjbk = mhglkhnqtv vnenksgezb (qpycjonocu, dkmiramxqk - clbkdwjstr)
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Clinical Trial

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Approval

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Biosimilar

Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.
Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.

Regulation

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