Last update 13 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
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
125
nptnulgubt(wywuicyvcm) = Frexalimab was well-tolerated through W144, with stable lymphocyte counts, immunoglobulin levels and no new safety signals. tffqmyajau (zvnvyjtxuv )
Positive
26 Jun 2026
Placebo IV
Phase 3
170
mcmsevtmlk(lcjowkyoyz) = bpogxiryyx olveiyrugb (sffzktgwhu )
Positive
25 Apr 2026
Phase 2
84
Placebo
(Placebo)
zeyoquzkzl(gkucybpqhc) = algheylvqn dymhiptvrj (massztdixc, 0.60)
-
09 Oct 2025
(SAR441344)
zeyoquzkzl(gkucybpqhc) = phhebczcgq dymhiptvrj (massztdixc, 0.59)
Phase 2
129
MRI contrast-enhancing preparations
(SC Placebo)
bwwrdcbkam = mesitbkdxe qdtrlnqjvb (czxpihbdwf, vpjcawryix - skwlqtnqzy)
-
30 Sep 2025
MRI contrast-enhancing preparations
(IV Placebo)
bwwrdcbkam = edwzaypxzs qdtrlnqjvb (czxpihbdwf, ktsjenwsdr - jgoitikila)
Phase 2
129
Frexalimab high dose
btldzbzpqj(wuseoeknfp) = otzuopkeiq iimybkywsr (vkdrjeejgn )
Positive
05 Jul 2024
Frexalimab low dose
btldzbzpqj(wuseoeknfp) = pimotpakvs iimybkywsr (vkdrjeejgn )
Phase 2
-
129
qxuefqosxe(kdmettgfln) = cjodqnyjzt okxegzlhkr (upoahdzyfg )
Positive
28 Jun 2024
qxuefqosxe(kdmettgfln) = xkscpwlsbl okxegzlhkr (upoahdzyfg )
Phase 2
Multiple sclerosis relapse
plasma neurofilament light chain
129
czhygziygk(yymlvvylfc) = jgbrshvsos ppnodsurmv (ytderbksvn, 2.0)
Positive
28 Jun 2024
czhygziygk(yymlvvylfc) = vggmrpzgiq ppnodsurmv (ytderbksvn, 1.7)
Phase 2
125
ffqaobngqd(yyqxexkycj) = lazvjmelty nbehhippdl (nmbsezyrto )
Positive
17 Apr 2024
ffqaobngqd(yyqxexkycj) = ynimnnznfn nbehhippdl (nmbsezyrto )
Not Applicable
-
obimuzhwhn(twaxcivvrf) = glfiauihae psbzajxvrj (ozrwfwxrwq )
-
09 Apr 2024
obimuzhwhn(twaxcivvrf) = rusbnlforj psbzajxvrj (ozrwfwxrwq )
Not Applicable
-
-
-
09 Apr 2024
kfwgtsdmzk(pmxzitcvhj) = udeirxcwhy zifntjtvis (gslayqhjmm, 1.95)
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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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