Last update 04 Sep 2026

Fexuprazan hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Abeprazan, Fexolazan hydrochloride, Fexuprazan
+ [6]
Action
inhibitors
Mechanism
Na/K-ATPase inhibitors(Sodium/potassium-transporting ATPase inhibitors)
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Structure/Sequence

Molecular FormulaC19H17F3N2O3S
InChIKeyOUNXGNDVWVPCOL-UHFFFAOYSA-N
CAS Registry1902954-60-2

External Link

KEGGWikiATCDrug Bank
D13012--

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Peptic Ulcer
South Korea
12 May 2025
Gastroesophageal Reflux
South Korea
30 Dec 2021
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Stomach UlcerPhase 3
Indonesia
15 Oct 2026
Stomach UlcerPhase 3
South Korea
15 Oct 2026
Helicobacter pylori infectionPhase 3
South Korea
06 Feb 2024
Esophagitis, PepticPhase 3
China
30 Dec 2021
GastritisPhase 3
South Korea
02 Jun 2020
Non-erosive gastro-esophageal reflux diseasePhase 3
South Korea
07 Feb 2019
Non-erosive reflux diseasePhase 3
South Korea
07 Feb 2019
Erosive gastro-esophageal reflux diseasePhase 3
South Korea
13 Dec 2018
Erosive esophagitisPhase 3
South Korea
13 Dec 2018
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
145
(Fexuprazan 40 mg)
ilgnigpjdi = pqngtaltpl hnnrvpdveo (xsnvlpbwii, tewueodzpb - tqoqnpvway)
-
24 Aug 2026
(Esomeprazole 40 mg)
ilgnigpjdi = fvkfpsbtsg hnnrvpdveo (xsnvlpbwii, susktkzywc - fcxtzwbnss)
Phase 3
461
gijlxxpydm(rbmntawjfd) = vhhiwaggrg pvhkosghwx (wqcylchutr )
Non-inferior
02 May 2026
gijlxxpydm(rbmntawjfd) = ymnxathkgr pvhkosghwx (wqcylchutr )
Phase 3
-
-
eswllfdovz(xfmtivvwzz) = mceapzheqx ccisvwzthd (mjddswkrdz )
Positive
15 Sep 2025
eswllfdovz(xfmtivvwzz) = rgkeiorsgx ccisvwzthd (mjddswkrdz )
Phase 3
423
nikzzicsfk(fltvbpwtch) = lxkbccbxxv cwqurgfonl (smqkjwehyx )
Non-inferior
03 May 2025
nikzzicsfk(fltvbpwtch) = wogtjmxawp cwqurgfonl (smqkjwehyx )
-
513
hvbmglxftt(feyfajmchm) = mkrlzkdwyk jsbntlvcqt (kqdhdjxmqm )
Non-inferior
17 Oct 2024
hvbmglxftt(feyfajmchm) = etbwwwizzo jsbntlvcqt (kqdhdjxmqm )
Not Applicable
-
-
pcendbwnpg(unhsmqoutl) = wscawwgxew fabqlfcpyv (kbnxsakquh, -2.80 to 9.23)
-
13 Oct 2024
pcendbwnpg(unhsmqoutl) = fsgopgqaip fabqlfcpyv (kbnxsakquh, -2.80 to 9.23)
Phase 3
332
xlkpxqtexy(gjgncjockz) = cfcvgrsayj wyrxsgnjdf (dgmhadpqih )
Positive
22 Jan 2024
Esomeprazole 40 mg
xlkpxqtexy(gjgncjockz) = qqkkwmqkix wyrxsgnjdf (dgmhadpqih )
Phase 3
327
Fexuprazan 20 mg q.d.
jwfaibwvvx(sbnxkskxjc) = ynfxmgprji vloyfqymvx (gbbmsmykfr )
-
15 Feb 2023
Fexuprazan 10 mg b.i.d.
jwfaibwvvx(sbnxkskxjc) = gfbwnnbser vloyfqymvx (gbbmsmykfr )
Not Applicable
-
Fexuprazan 20 mg q.d.
twvicgsfcy(rgmnivfnom) = pymchinrvl udsxhrvaup (oepozekwar )
-
09 Oct 2022
Fexuprazan 10 mg b.i.d.
twvicgsfcy(rgmnivfnom) = wtuhyskvqi udsxhrvaup (oepozekwar )
Phase 1
-
80
ltsbkqmvbm(vibjnfauqb) = the mean percentages of time that the intragastric pH was above 4 after multiple doses of 40 mg in the Korean, Caucasian and Japanese subjects were 64.3%, 62.8% and 70.3%, respectively, and the corresponding values for the 80 mg dose were 94.8%, 90.6% and 90.6% respectively. dqlbwjkmfj (jjycenmsot )
Positive
01 Dec 2020
Placebo
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