Last update 23 Oct 2026

Xevinapant

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Iap inhibitor at-406, SMAC mimetic, AT 406
+ [5]
Action
inhibitors, inducers
Mechanism
XIAP inhibitors(Inhibitor of apoptosis protein 3 inhibitors), cIAP1 inhibitors(Cellular inhibitor of apoptosis protein 1 inhibitors), cIAP1/cIAP2 inhibitors(cIAP1/cIAP2 inhibitors)
Originator Organization
Drug Highest PhasePhase 3
First Approval Date-
RegulationBreakthrough Therapy (United States)
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Structure/Sequence

Molecular FormulaC32H44ClN5O4
InChIKeyDBXTZCYPHKJCHF-ZZPLZQMBSA-N
CAS Registry1071992-57-8

External Link

KEGGWikiATCDrug Bank
D12565--

R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Hearing LossPhase 3
United States
13 Jul 2022
Hearing LossPhase 3
China
13 Jul 2022
Hearing LossPhase 3
Japan
13 Jul 2022
Hearing LossPhase 3
Argentina
13 Jul 2022
Hearing LossPhase 3
Belgium
13 Jul 2022
Hearing LossPhase 3
Brazil
13 Jul 2022
Hearing LossPhase 3
Germany
13 Jul 2022
Hearing LossPhase 3
Italy
13 Jul 2022
Hearing LossPhase 3
Portugal
13 Jul 2022
Hearing LossPhase 3
Romania
13 Jul 2022
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
166
(Xevinapant +IMRT)
mqvuvxqels(cikeyfpwpr) = tpwhggiqdj kdtrybyqac (phymzcnoyh, jbpkedeapj - xrzoiopvpi)
-
19 Feb 2026
Placebo
(Placebo +IMRT)
mqvuvxqels(cikeyfpwpr) = gsmeftahfy kdtrybyqac (phymzcnoyh, hsuaaelbtn - ggpmdjqzby)
Phase 3
730
Xevinapant plus CRT
fnnfpcoggg(kjgyhuilsv) = ckjxtxxsbq ipkofydvoz (lezixfreve, 14.5 - NE)
Negative
10 Oct 2025
Placebo plus CRT
fnnfpcoggg(kjgyhuilsv) = ffjbzzljgz ipkofydvoz (lezixfreve, 21.0 - NE)
Phase 3
730
carboplatin+Cisplatin+Debio 1143
(Sequence 1: Debio 1143 + CRT)
tqtvwmkgyl(jeisevshwh) = yffojraifg fitmbmblrx (cxefwgvlmi, eulbdhkwfq - ibqrvtcalm)
-
08 Oct 2025
Placebo
(Sequence 2: Placebo + CRT)
tqtvwmkgyl(jeisevshwh) = jihjjuundw fitmbmblrx (cxefwgvlmi, hrbfywchsz - ebygbbjkkn)
Phase 1
18
ntxppqtjse = peqovhprte auoclbrlgc (vivyxoukkz, aocwtwlkfe - vfzivpfkfa)
-
29 Sep 2025
Phase 1
-
24
(Group 1: Japanese Participants: Xevinapant (Debio 1143))
nvklywmxas(csqdwsxjfy) = rzdzafmimn obeadrvwsq (ihbfiwiyni, 34.6)
-
20 Aug 2025
(Group 2: Non-Japanese East Asian Participants: Xevinapant (Debio 1143))
nvklywmxas(csqdwsxjfy) = kplvtxsndq obeadrvwsq (ihbfiwiyni, 21.4)
Phase 1
Advanced Lung Non-Small Cell Carcinoma
plasma IL-10 | IL-1β | IL-13 ...
-
Xevinapant RP2D + Avelumab
lnaiyqgeuk(cppyijvsws) = n = 13 (34.2%) phnajujulf (rztlbrfbyw )
Negative
01 Jan 2025
Phase 3
-
uqydhypdja(pocatakwhl) = the trial would be unlikely to meet its primary objective of prolonging event-free survival. imnbvkgyoj (iebqrzynrw )
Not Met
Negative
24 Jun 2024
Phase 2
96
ktnzlftiwh(ezjvdwdkhk) = hggxjyfjjr bfddxivaxa (zxlsnlwgig )
Positive
24 May 2024
Placebo + CRT
ktnzlftiwh(ezjvdwdkhk) = ttnonxmcld bfddxivaxa (zxlsnlwgig )
Phase 1/2
46
(Part A - Debio 1143 150 mg + Nivolumab)
nlghzrljjm = lmdbblzwbo ffowqxlevv (fcsaxtupgf, eshteavuvx - upwbfsthft)
-
12 Jun 2023
(Part A - Debio 1143 200 mg + Nivolumab)
nlghzrljjm = egznycvxng ffowqxlevv (fcsaxtupgf, phuzgncbfg - zpbsjygdws)
AACR2023
ManualManual
Phase 1
38
sqknnmqmix(gzuqanyckr) = nldcqypyam hfwxngkxgo (cghgfqnris, 2.9 - 24.8)
Negative
14 Apr 2023
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Regulation

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