Last update 29 Jan 2026

Rilzabrutinib

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Rilzabrutinib (USAN/INN), 瑞布拉替尼, 瑞扎布鲁替尼
+ [3]
Target
Action
inhibitors
Mechanism
BTK inhibitors(Tyrosine-protein kinase BTK inhibitors)
Originator Organization
Inactive Organization-
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (29 Aug 2025),
RegulationFast Track (United States), Orphan Drug (United States), Orphan Drug (European Union), Orphan Drug (Japan)
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Structure/Sequence

Molecular FormulaC36H40FN9O3
InChIKeyLCFFREMLXLZNHE-GBOLQPHISA-N
CAS Registry1575596-29-0

External Link

KEGGWikiATCDrug Bank
D11873---

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Purpura, Thrombocytopenic, Idiopathic
United States
29 Aug 2025
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Immunoglobulin G4-Related DiseasePhase 3
United States
26 Sep 2025
Immunoglobulin G4-Related DiseasePhase 3
China
26 Sep 2025
Immunoglobulin G4-Related DiseasePhase 3
Japan
26 Sep 2025
Immunoglobulin G4-Related DiseasePhase 3
Argentina
26 Sep 2025
Immunoglobulin G4-Related DiseasePhase 3
Belgium
26 Sep 2025
Immunoglobulin G4-Related DiseasePhase 3
Belgium
26 Sep 2025
Immunoglobulin G4-Related DiseasePhase 3
Canada
26 Sep 2025
Immunoglobulin G4-Related DiseasePhase 3
Chile
26 Sep 2025
Immunoglobulin G4-Related DiseasePhase 3
France
26 Sep 2025
Immunoglobulin G4-Related DiseasePhase 3
France
26 Sep 2025
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
180
talfrugmrx(vnulbiadwh) = upiivacwzw xbwoxnphuv (ixmiwlyopy )
Positive
06 Dec 2025
Placebo
kylvxdowth(gyisyvwiax) = gybjlohfkp qjmofezezg (bwzcnojyvq )
Phase 2
15
fibrzqgoqs(zaabsargth) = fqdcckpmdf qamrtqavcp (ibhhxpyhfn )
Positive
06 Dec 2025
Phase 3
192
bjwbforxzf(utzeuzrhqh) = qnfbjmsmkt fbclwsieuf (npdlvgorch )
Positive
06 Dec 2025
Placebo
bjwbforxzf(utzeuzrhqh) = qdgnninwnh fbclwsieuf (npdlvgorch )
Phase 3
202
sqawbsnokg(jvruxtquoo) = Two pts (3%) had grade ≥2 related TEAE of infection yhmsworwbm (snvmnbczav )
Positive
06 Dec 2025
Phase 2
27
mgrxoboarj(ivvnzvkyjh) = uyzelntyrk qsgujtukil (foadtloijy )
Positive
24 Oct 2025
Phase 2
196
Rilzabrutinib 800mg
nvzbfnxngu(fkvjycenht) = gdxcmcbddu ldhqnkmixt (nxhabbnvmx )
Positive
16 May 2025
Placebo
nvzbfnxngu(fkvjycenht) = ahmqgcxzwy ldhqnkmixt (nxhabbnvmx )
Phase 3
174
efhgqgdkai(qkhahipzqw) = esionfmthf qhlzejnxyb (zptjsocgbn )
Positive
14 May 2025
Phase 3
202
kojhnffxyk(ebgodlioif) = nvaryayfkk pbtiqmsqdh (grdforkkbz )
Positive
14 May 2025
Phase 2
22
bjsnqeyqvs(jjpyekimds) = lpdtidnamv pmkhpyjxnd (egfdxakutj )
Positive
14 May 2025
Concomitant CS + Rilzabrutinib
bjsnqeyqvs(jjpyekimds) = xghutznvai pmkhpyjxnd (egfdxakutj )
Phase 2
160
mdcevvluli(eabuomdnyq) = vssxzqbopg paysqwsegh (uybwpqxjsh )
Positive
23 Apr 2025
placebo
mdcevvluli(eabuomdnyq) = iatzxyqmde paysqwsegh (uybwpqxjsh )
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Core Patent

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Clinical Trial

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Approval

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Regulation

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