Status and phase
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Treatments
Study type
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About
This study will assess the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), and preliminary efficacy of AZD9574 individually and in combination with anti-cancer agents in 490 participants with advanced cancer that has recurred/progressed.
Full description
This is a modular phase I/IIa, multi-centre, multi-part, open-label, dose escalation, and dose expansion study.
Approximately 490 participants will be enrolled and assigned to study treatments.
This study consists of individual modules each evaluating safety and tolerability.
This module will include 220 participants:
This module will include up to 3 expansion cohorts with 30 participants in each:
Cohort B1 will include participants with advanced/relapsed Human Epidermal Growth Factor Receptor 2 (HER2)-negative breast cancer participants with BRCA mutated (BRCA1m, and BRCA2m), PALB2 mutation (PALB2m), RAD51Cm or RAD51Dm, without evidence of brain metastasis at baseline Magnetic Resonance Imaging (MRI) scan.
Cohort B2 will include participants with advanced/relapsed HER2-negative breast cancer participants with BRCA1m, BRCA2m, PALB2m, RAD51Cm or RAD51Dm, who have either untreated or treated brain metastases that are not requiring immediate local therapy.
Up to of 20 participants may be required to get 12 evaluable participants in each cohort for food effect and Acid Reducing Agent (ARA) investigations.
• Module 2 (AZD9574 in combination with temozolomide (TMZ):
Part A (dose-escalation cohorts) will include 75 participants with Isocitrate Dehydrogenase (IDH)-mutant glioma.
• Module 3 (PET Sub-study: AZD9574 monotherapy [Panels 1 and 3), AZD9574 in combination with TMZ (Panel 2). This module will include 12 participants and is only applicable for Sweden.
Panel 1 (AZD9574 monotherapy) will include up to 8 participants with advanced/relapsed HER2-negative breast, ovarian, prostate, or pancreatic cancer and expressing BRCA1m, BRCA2m, PALB2m, RAD51Cm or RAD51Dm.
Panel 2 (AZD9574 + TMZ) will include up to 2 participants with IDH-mutant recurrent glioma.
Panel 3 (AZD9574 monotherapy) will include up to 2 participants with breast cancer (without BM).
This module will include 90 participants (including backfills):
Part A (dose escalation cohorts) will include participants with advanced, unresectable, or metastatic solid tumours that are HER2-positive.
Part B (dose expansion cohorts) may be added in the future following a protocol amendment.
This module will include 90 participants (including backfills):
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Module 1:
Female participants of childbearing potential:
Female participants must not breastfeed and must not donate or retrieve ova for their own use from screening to approximately 6 months after the last dose of study treatment.
Non-sterilised male participants who are sexually active with a female partner of childbearing potential must use a condom with spermicide from screening to approximately 3 months after the last dose of study intervention.
Female partners of male participants should use at least one highly effective method of contraception from screening to approximately 3 months after the last dose of study intervention of the male participant.
Male participants must refrain from fathering a child or donating sperm from the start of study intervention and for approximately 3 months after the last dose of study intervention.
Part A:
(iii) Histologically or cytologically confirmed advanced/metastatic castration-resistant prostate cancer (CRPC) and evidence of a predicted loss of function germline or tumour mutation in one of the following homologous recombination repair genes:BRCA1, BRCA2, PALB2, RAD51C, or RAD51D (d) Histologically or cytologically confirmed advanced/metastatic pancreatic cancer and evidence of a predicted loss of function germline or tumour mutation in one of the following homologous recombination repair genes: BRCA1, BRCA2, PALB2, RAD51C, or RAD51D.
Part B:
Module 2:
Module 3:
All Panels:
Female participants of childbearing potential:
Female participants must not breastfeed and must not donate or retrieve ova for their own use from screening to approximately 6 months after the last dose of study treatment.
Panel 1
Participants must consent to provide mandated blood samples and archival/fresh tumour tissue for confirmatory tests of their cancer using central laboratory.
Participants must have one of the following:
Participants must have evaluable disease: at least one measurable and/or non-measurable lesions per RECIST 1.1
Participants must be refractory to standard therapy or for which no standard therapy exists.
Any 2 participants in this panel must meet the following CNS criteria:
Panel 2
Panel 3
Module 4:
Participants must have the following HER2 status:
Participants must have progressed following at least one prior systemic treatment and not more than 2 prior lines of cytotoxic therapy for metastatic or advanced disease and have no satisfactory alternative treatment option.
Participants should have unresectable, or metastatic disease based on most recent imaging. The following tumour types are eligible for this study: Breast cancer, Non-Small Cell Lung Cancer, Colorectal Cancer,Bladder Cancer, Ovarian Cancer, Gastric Cancer, and Other tumour types ( unresectable or metastatic biliary tract cancer, cervical cancer, endometrial cancer, and pancreatic adenocarcinoma).
Adequate organ and marrow function (in the absence of transfusions or growth factor support) within 14 days prior to the first dose of study intervention.
Left ventricular ejection fraction (LVEF) ≥ 50% by either echocardiogram (ECHO) or multigated acquisition (MUGA) scan within 28 days before start of treatment.
Participants must have at least one lesion not previously irradiated (or with evidence of disease progression following radiation).
Non-sterilised male participants who are sexually active with a female partner of childbearing potential must use a condom with spermicide from screening to approximately 6 months after the last dose of study intervention.
Male participants must refrain from fathering a child or donating sperm during the study and for approximately 6 months after the last dose of study intervention.
Module 5 :
Module 4 & 5:
Female participants of childbearing potential:
Female participants must not breastfeed and must not donate or retrieve ova for any use from screening to at least 7 months after the last dose of study intervention.
Participants must provide an existing FFPE tumour sample for retrospective, tissue-based IHC testing in a central laboratory to determine HER2 expression and other correlatives.
ECOG performance status of 0 or 1.
Participants recruited specifically for PD evaluation must have at least 1 tumour suitable for paired biopsies and be willing to consent to pre-treatment and on-treatment biopsies.
Exclusion criteria
Module 1:
Part A:
Part B:
Module 2:
Module 3:
All Panels
Panel 1
Panel 2
Panel 3
Module 4:
Module 5:
Current or prior use of immunosuppressive medication within 14 days before the first dose of Dato-DXd and within 4 weeks for continuous corticosteroids at a dose of approximately > 10 mg prednisone/day or equivalent.
Corticosteroid mouthwash formulations are permitted to prevent and manage certain AEs.
Prior anti-cancer treatments:
(d) Participants should not have received more than 2 prior lines of systemic cytotoxic therapy (e) Prior treatment with PARPi is permitted (f) Prior TOPO1 inhibitor therapy is NOT permitted (g) Prior treatment with TROP2-directed ADCs is NOT permitted. (h) Prior radiation therapy requires the washout periods.
Participants must not enter the study if they received chloroquine / hydroxychloroquine < 14 days prior to the first dose.
History of another primary malignancy.
Participant has history of non-infectious ILD/pneumonitis including radiation pneumonitis that required steroids, has current or suspected ILD/pneumonitis.
Clinically severe pulmonary function compromise.
Clinically significant corneal disease.
History of severe hypersensitivity reactions to Dato-DXd, or any of the excipients of the product.
History of severe hypersensitivity reactions to other monoclonal antibodies.
Participant is pregnant or breastfeeding or planning to become pregnant.
Primary purpose
Allocation
Interventional model
Masking
490 participants in 8 patient groups
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Central trial contact
AstraZeneca Clinical Study Information Center; AstraZeneca Breast Cancer Study Locator Service
Data sourced from clinicaltrials.gov
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