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AZD5863

Phase 1

Gastric Cancer | Small molecule | Oncology |AstraZeneca PLC|Trials Updated: Sep 25, 2026

AZD5863 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Aug 2023

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLED
Total Trials1
Total Enrollment392

FDA Designations

No designations recorded

AZD5863 clinical trials

AZD5863 · 1 trial · 4 indications

Phase 1 1
NCT06005493Study of AZD5863 in Adult Participants With Advanced or Metastatic Solid TumorsGastric Cancer
RECRUITING392 Analytics
PHASE1RECRUITING
Study of AZD5863 in Adult Participants With Advanced or Metastatic Solid Tumors
Gastric CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

The number of patients with adverse events
From first dose of study drug up to 90 days post last dose and prior to start of subsequent anticancer therapy

Number of patients with adverse events by system organ class and preferred term

The number of patients with adverse events of special interest
From first dose of study drug up to 90 days post last dose and prior to start of subsequent anticancer therapy

Number of patients with adverse events of special interest by system organ class and preferred term

The number of patients with dose-limiting toxicity (DLT), as defined in the protocol.
From first dose of study drug until the end of Cycle 1

A DLT is a toxicity as defined in the protocol that occurs from the first dose of study drug up to and including the planned end of Cycle 1 (the DLT assessment period) that is assessed as unrelated to the disease or disease-related processes under investigation.

The number of patients with serious adverse events
From first dose of study drug up to 90 days post last dose and prior to start of subsequent anticancer therapy

Number of patients with serious adverse events by system organ class and preferred term

Objective Response Rate (ORR)
From first dose of study drug to progressive disease or death in the absence of disease progression (approx. 2 years)

The percentage of patients with a confirmed investigator assessed complete or partial response according to response criteria in solid tumours (RECIST 1.1). Dose expansion only.

Secondary Endpoints

Objective Response Rate (ORR)
From first dose of study drug to progressive disease or death in the absence of disease progression (approx. 2 years)
Disease Control Rate (DCR)
From first dose of study drug to progressive disease or death in the absence of disease progression (approx. 2 years)
Duration of response (DoR)
From the first documented response to progressive disease or death in the absence of disease progression (approx. 2 years)
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Module 1: AZD5863 Monotherapy Intravenous (IV)EXPERIMENTALModule 1: AZD5863 Intravenous (IV) Monotherapy
Module 2: AZD5863 Monotherapy Subcutaneous (SC)EXPERIMENTALModule 2: AZD5863 Subcutaneous (SC) Monotherapy
Module 3: AZD5863 Combination and RilvegostomigEXPERIMENTALModule 3: AZD5863 Combination and Rilvegostomig

Interventions

NameTypeDescription
AZD5863DRUGT cell-engaging bi-specific antibody that targets CLDN18.2 (Claudin18.2) on tumor cells and CD3 on T cells
AZD2936DRUGRilvegostomig is a bi-specific antibody targeting the immunosuppressive PD-1 and TIGIT pathways.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites25

Key Inclusion Criteria: * Age ≥ 18 at the time of signing the informed consent * Histologically confirmed diagnosis of adenocarcinoma of the stomach, gastro-esophageal junction, esophagus, or pancreas * Must have at least one measurable lesion according to Response Evaluation Criteria in Solid Tumo...

Countries:United StatesChinaFranceJapanNetherlandsSouth KoreaTaiwanUnited Kingdom
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Recent Changes (Last 90 Days)

MEDIUMSep 25, 2026NCT06005493Enrollment: 280 → 392
MEDIUMSep 25, 2026NCT06005493Enrollment: 280 → 392

Frequently asked questions about AZD5863

What is AZD5863 used for?

AZD5863 is an investigational small molecule being studied for the treatment of gastric cancer. It is also being evaluated in gastro-esophageal junction cancer, pancreatic ductal adenocarcinoma, and esophageal adenocarcinoma. The drug is in Phase 1 clinical development and has not been approved for any indication.

Who is developing AZD5863?

AZD5863 is being developed by AstraZeneca PLC, which trades under the ticker AZN. AstraZeneca is the sole sponsor of the clinical program evaluating this small molecule in advanced or metastatic solid tumors.

What phase is AZD5863 in?

AZD5863 is in Phase 1 clinical development. The only registered trial is a Phase 1 study that is currently recruiting participants. No Phase 2 or Phase 3 trials have been initiated, and the drug remains investigational.

What clinical trials is AZD5863 in?

AZD5863 is being evaluated in a single Phase 1 trial, NCT06005493, titled "Study of AZD5863 in Adult Participants With Advanced or Metastatic Solid Tumors." The trial is recruiting and has an estimated enrollment of 392 participants across the United States, China, France, Japan, Netherlands, South Korea, Taiwan, and the United Kingdom.

Is AZD5863 FDA approved?

No, AZD5863 is not FDA approved. It is an investigational small molecule in Phase 1 clinical development for gastric cancer and other advanced solid tumors. The only active trial, NCT06005493, is currently recruiting participants and has not yet been completed.