Drugs / JP-1366
last change Jun 2026 re-read 2 minutes ago

JP-1366

also known as Zastaprazan
Developed for
gastroesophageal reflux disease · esophagitis · gastric ulcer · peptic ulcer disease
Investigated by
Onconic Therapeutics Inc. · Jeil Pharmaceutical Co., Ltd.

Trials 12 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 17 trials
Phase 1 NCT07265466 Nov 2025 → Mar 2026 overdue Onconic Therapeutics Inc. Recruiting No outcome recorded
Phase 1 NCT07181538 Feb 2025 Onconic Therapeutics Inc. Completed No outcome recorded
Phase 1 NCT05712681 Mar → May 2023 Onconic Therapeutics Inc. Completed No outcome recorded
Phase 1 NCT05814809 Sep → Oct 2022 Onconic Therapeutics Inc. Completed No outcome recorded
Phase 1 NCT05181124 Mar 2021 active peptic ulcer disease Onconic Therapeutics Inc. Completed No outcome recorded
Phase 1 NCT05194046 Nov 2020 → Jan 2021 Helicobacter pylori infectious disease Onconic Therapeutics Inc. Completed No outcome recorded
Phase 1 NCT03383042 Dec 2017 → Nov 2018 active peptic ulcer disease Jeil Pharmaceutical Co., Ltd. Completed No outcome recorded
Phase 21 trial
Phase 2 NCT04282954 Nov 2019 → Oct 2020 gastroesophageal reflux disease Onconic Therapeutics Inc. Completed No outcome recorded
Phase 34 trials
Phase 3 NCT07160790 Sep 2025 → Jun 2026 overdue gastroesophageal reflux disease Onconic Therapeutics Inc. Not yet recruiting No outcome recorded
Phase 3 NCT06439563 Oct 2024 → Aug 2027 expected peptic ulcer disease Onconic Therapeutics Inc. Recruiting No outcome recorded
Phase 3 NCT05448001 Sep 2022 → Jul 2024 gastric ulcer Onconic Therapeutics Inc. Completed No outcome recorded
Phase 3 NCT05443984 Jan 2022 → Jan 2023 esophagitis Onconic Therapeutics Inc. Completed No outcome recorded

Evidence & citations 3 cited values

Every value below carries the sentence it was read from. 13 sources stand behind the page.

FieldValueCited text
Known as JP-1366 ClinicalTrials.gov intervention name — accepted as the source's own label NCT05814809
11

NCT03383042

NCT05181124

NCT04282954

NCT05194046

NCT07181538

NCT05712681

NCT07265466

NCT05448001

NCT05443984

NCT06439563

NCT07160790

Known as Zastaprazan Zastaprazan (JP-1366) is a novel potassium-competitive acid blocker with a fast onset and prolonged duration.” PMID 41540828 Jan 2026
Route Oral “JP-1366 Oral Administration” NCT03383042