Drug Type Antibody drug conjugate (ADC) |
Synonyms 重组抗紧密连接蛋白18.2单克隆抗体 -依喜替康偶联物(信达生物), IBI 343, IBI343 |
Target |
Action inhibitors |
Mechanism CLDN18.2 inhibitors(Claudin 18.2 inhibitors), TOP1 inhibitors(DNA topoisomerase I inhibitors) |
Inactive Indication- |
Originator Organization |
Active Organization |
Inactive Organization- |
License Organization |
Drug Highest PhasePhase 3 |
First Approval Date- |
RegulationFast Track (United States), Breakthrough Therapy (China) |



| Indication | Highest Phase | Country/Location | Organization | Date |
|---|---|---|---|---|
| CLDN18.2 positive Pancreatic Cancer | Phase 3 | China | 17 Jul 2025 | |
| CLDN18.2 positive Gastroesophageal junction adenocarcinoma | Phase 3 | China | 19 Jun 2024 | |
| CLDN18.2 positive Gastroesophageal junction adenocarcinoma | Phase 3 | Japan | 19 Jun 2024 | |
| CLDN18.2 positive Stomach Cancer | Phase 3 | China | 19 Jun 2024 | |
| CLDN18.2 positive Stomach Cancer | Phase 3 | Japan | 19 Jun 2024 | |
| Advanced Gastroesophageal Junction Adenocarcinoma | Phase 2 | - | 15 Mar 2024 | |
| Pancreatic Ductal Adenocarcinoma | Phase 2 | China | - | |
| Advanced cancer | Phase 1 | Australia | 13 Oct 2022 | |
| Advanced Malignant Solid Neoplasm | Phase 1 | Australia | 13 Oct 2022 | |
| Gastroesophageal junction adenocarcinoma | Phase 1 | China | 11 Jul 2022 |
Phase 1 | CLDN18.2 positive Gastroesophageal junction adenocarcinoma CLDN18.2 Positive | 116 | fvxuciyveh(qcuisomwxk) = ygmkhjfckt fnqotofute (vujchelyxs, 16.7 - 51.4) View more | Positive | 16 Jul 2025 | ||
IBI343 8 mg/kg | fvxuciyveh(qcuisomwxk) = vyanjdtvwm fnqotofute (vujchelyxs, 23.0 - 72.2) View more | ||||||
NCT05458219 (ASCO2025) Manual | Phase 1 | 83 | (CLDN18.2 expression ≥1 in ≥60% (+)) | ytktjltssz(botyttlhyf) = cmhwvyvgre xamafadalo (qxyvlccjnk, 67.3 - 91.8) View more | Positive | 30 May 2025 | |
(CLDN18.2 expression < 60%) | ytktjltssz(botyttlhyf) = gchluxprqe xamafadalo (qxyvlccjnk, 15.2 - 72.3) View more | ||||||
NCT05458219 (PRNewswire) Manual | Phase 1 | Pancreatic Cancer CLDN18.2 Positive | 43 | IBI343 6 mg/kg Q3W monotherapy | rjzdnolwts(hprygjhxuy) = abmdpggpvw eysyeycdtl (pjizkgnuei ) View more | Positive | 08 Dec 2024 |
Phase 1 | Advanced Pancreatic Ductal Adenocarcinoma CLDN18.2 Positive | 43 | tfjlctzapg(ijssjpypmy) = zxtatjholb bsvleohzyg (nrqnbngvyw, 12.4 - 40.3) View more | Positive | 07 Dec 2024 | ||
Phase 1 | 159 | IBI343 6 mg/kg (CLDN18.2 (2+/3+ ≥40%)) | joysiknbik(mjgojzkqpb) = hnhqdhxcwu gmwrijiuth (qmaosrhvhs, 24.0 - 52.6) View more | Positive | 29 Jun 2024 | ||
IBI343 8 mg/kg (CLDN18.2 (2+/3+ ≥40%)) | joysiknbik(mjgojzkqpb) = cgmiulotur gmwrijiuth (qmaosrhvhs, 26.4 - 64.3) View more | ||||||
Phase 1 | 35 | IBI343 6 mg/kg | nhkgrlcerd(ditiywmxbc) = Treatment-related adverse events (TRAEs) occurred in 80.0% of pts. Common TRAEs (≥20%) were anemia (42.9%), neutrophil count decreased (28.6%), nausea (25.7%), vomiting (25.7%) and white blood cell count decreased (22.9%). ywabejbwqj (zzmlyrkfzf ) View more | Positive | 24 May 2024 |






