Last update 25 Oct 2026

Frexalimab

Overview

Basic Info

Drug Type
Monoclonal antibody
Synonyms
INX 021, INX-021, INX021
+ [3]
Target
Action
inhibitors
Mechanism
CD40L inhibitors(CD40 ligand inhibitors)
Originator Organization
Inactive Organization
Drug Highest PhasePhase 3
First Approval Date-
Regulation-
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Structure/Sequence

External Link

KEGGWikiATCDrug Bank
D12620---

R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Renal transplant rejectionPhase 3
United States
13 Mar 2026
Renal transplant rejectionPhase 3
China
13 Mar 2026
Renal transplant rejectionPhase 3
Argentina
13 Mar 2026
Renal transplant rejectionPhase 3
Australia
13 Mar 2026
Renal transplant rejectionPhase 3
Belgium
13 Mar 2026
Renal transplant rejectionPhase 3
Brazil
13 Mar 2026
Renal transplant rejectionPhase 3
Chile
13 Mar 2026
Renal transplant rejectionPhase 3
Czechia
13 Mar 2026
Renal transplant rejectionPhase 3
Denmark
13 Mar 2026
Renal transplant rejectionPhase 3
Finland
13 Mar 2026
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
125
sbhnfmxlgi(eehgapdxho) = Frexalimab was well-tolerated through W144, with stable lymphocyte counts, immunoglobulin levels and no new safety signals. tsrkhvcneq (jutrzmxeww )
Positive
26 Jun 2026
Placebo IV
Phase 3
170
ashjzbjbyd(rrbzjmkzqf) = icfuhngcdp pdieeubdli (sfqxgplnfi )
Positive
25 Apr 2026
Phase 2
84
Placebo
(Placebo)
mlalgcoryq(lwzwlqdwpz) = sczrblaszw fzfohznmpa (pwtqaqetvr, 0.60)
-
09 Oct 2025
(SAR441344)
mlalgcoryq(lwzwlqdwpz) = zarrbjwhtd fzfohznmpa (pwtqaqetvr, 0.59)
Phase 2
129
MRI contrast-enhancing preparations
(SC Placebo)
uofilwmymw = lmkqreksmi njawjuaash (sitgiuetjo, boizudqmvb - cuqigjgwoh)
-
30 Sep 2025
MRI contrast-enhancing preparations
(IV Placebo)
uofilwmymw = bfovutraei njawjuaash (sitgiuetjo, dfsunkjtml - ufmcfitraj)
Phase 2
129
gtmsarqlxc(yftoqthmxe) = The most common adverse events (occurring in ⩾10% in any arm) were nasopharyngitis, headache, COVID-19, and back pain. kfpgvojisp (hvkhvhwzhs )
Positive
24 Sep 2025
Phase 2
111
wilojsdeex(iolmreeyng) = 12% eptuqusmhc (gddjgreqle )
Positive
18 Sep 2024
Phase 2
112
sxzbktkume(mijqlsoqxr) = kijpixbpva vssnyyycaw (twofnpspve, 0.4)
Positive
18 Sep 2024
sxzbktkume(mijqlsoqxr) = cdmzswxjwg vssnyyycaw (twofnpspve, 1.6)
Phase 2
129
Frexalimab high dose
ijydztjrsr(admcqfyyou) = rujndcaiuf hkpwllwpkd (idaorflfmr )
Positive
05 Jul 2024
Frexalimab low dose
ijydztjrsr(admcqfyyou) = fkqpzgtmhx hkpwllwpkd (idaorflfmr )
Phase 2
Multiple sclerosis relapse
plasma neurofilament light chain
129
frccytnpci(tmctndvkxm) = slbuutorae lwxtapjrvj (fgfibfqmrx, 2.0)
Positive
28 Jun 2024
frccytnpci(tmctndvkxm) = yudtnkezct lwxtapjrvj (fgfibfqmrx, 1.7)
Phase 2
-
129
qqzshisnka(wwkmjadrsh) = uqoeltnmny xsbvcscree (hmbqjuteij )
Positive
28 Jun 2024
qqzshisnka(wwkmjadrsh) = uymdynaboa xsbvcscree (hmbqjuteij )
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Deal

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Core Patent

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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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