AZD0901 in Participants With Advanced Solid Tumours Expressing Claudin18.2

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AstraZeneca

Status and phase

Enrolling
Phase 2

Conditions

Gastroesophageal Junction Cancer
Gastric Cancer
Pancreatic Adenocarcinoma

Treatments

Drug: l-leucovorin
Drug: Gemcitabine
Drug: Nanoliposomal Irinotecan
Drug: Irinotecan
Drug: Leucovorin
Drug: AZD0901
Drug: 5-Fluorouracil

Study type

Interventional

Funder types

Industry

Identifiers

NCT06219941
D9800C00001

Details and patient eligibility

About

The purpose of this study is to assess the safety, tolerability, efficacy, pharmacokinetics (PK), and immunogenicity of AZD0901 as monotherapy and in combination with anti-cancer agents in participants with locally advanced unresectable or metastatic solid tumours expressing CLDN18.2.

Full description

This open-label, multi-centre study consists of individual sub studies, each evaluating the safety and tolerability of AZD0901. Sub study 1 will investigate the safety, tolerability, and anti-tumour activity of AZD0901 monotherapy in participants with advanced or metastatic gastric esophageal cancer expressing CLDN18.2. Participants will receive AZD0901 monotherapy via intravenous (IV) infusion and will be randomised in to one of 2 arms. Sub study 2 will consist of two parts, a safety run-in and a dose expansion part to investigate the safety and efficacy of AZD0901 in combination with different chemotherapy agents in participants with pancreatic cancer.

Enrollment

123 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Master Inclusion Criteria applicable to both sub studies: * Participant must be ≥ 18 years or the legal age of consent at the time of signing the ICF. * Participants who are CLDN18.2 positive. * Must have at least one measurable lesion according to RECIST v1.1. * ECOG performance status of 0 to 1 with no deterioration over the previous 2 weeks prior first day of dosing. * Predicted life expectancy of ≥ 12 weeks. * Adequate organ and bone marrow function as defined by protocol. * Body weight \> 35 kg. * Participants are willing to comply with contraception requirements. Sub study 1 Specific Inclusion criteria: * Histologically confirmed adenocarcinoma of the stomach or gastroesophageal junction. * Advanced or metastatic GC/GEJC. * Maximum 2 prior lines of systemic treatment for unresectable or metastatic disease. Sub study 2 Specific Inclusion criteria: * Participants diagnosed with histologically confirmed metastatic or advanced PDAC. * Availability of an archival sample or a fresh tumour biopsy taken at screening. * No prior treatments for unresectable or metastatic disease. Master Exclusion Criteria applicable to both sub studies: * Unstable or active peptic ulcer disease or digestive tract bleeding including but not limited to clinically significant bleeding in the setting of prior CLDN18.2 directed therapy. * Participants with clinically significant ascites that require drainage. * A history of drug-induced non-infectious ILD/pneumonitis. * Central nervous system metastases or CNS pathology. * Peripheral neuropathy ≥ Grade 2 at screening. * History of another primary malignancy. * Prior exposure to any MMAE-based ADC. * Prior exposure to any CLDN18.2 targeted agents except anti-CLDN18.2 monoclonal antibody. Sub study 1 Specific Exclusion criteria: * Participants with HER2-positive (3+ by IHC, or 2+ by IHC, and positive by ISH) or indeterminate GC/GEJC. * Any factors that increase the risk of QTc prolongation or risk of arrhythmic events. * The use of concomitant medications known to prolong the QT/QTc interval. Sub study 2 Specific Exclusion criteria: * Known DPD enzyme deficiency based on local testing where testing is SoC. * Use of strong inhibitor or inducer of UGT1A1. * Use of strong inhibitors or inducers of CYP3A4.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

123 participants in 2 patient groups

Sub Study 1 - AZD0901 MONOTHERAPY
Experimental group
Description:
Sub Study 1 will investigate AZD0901 monotherapy in order to evaluate the safety, tolerability, and efficacy of AZD0901.
Treatment:
Drug: AZD0901
Sub Study 2 - AZD0901 IN COMBINATION WITH ANTI-CANCER AGENTS
Experimental group
Description:
Substudy 2 will investigate the safety and efficacy of AZD0901 as first line systemic treatment used in combination with different chemotherapy agents
Treatment:
Drug: 5-Fluorouracil
Drug: AZD0901
Drug: Irinotecan
Drug: Leucovorin
Drug: Nanoliposomal Irinotecan
Drug: Gemcitabine
Drug: l-leucovorin

Trial contacts and locations

47

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Central trial contact

AstraZeneca Clinical Study Information Center

Data sourced from clinicaltrials.gov

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