A Phase III Randomised Study to Evaluate Dato-DXd and Durvalumab for Neoadjuvant/Adjuvant Treatment of Triple-Negative or Hormone Receptor-low/HER2-negative Breast Cancer

About

Brief Summary

This is a Phase III, 2-arm, randomised, open-label, multicentre, global study assessing the efficacy and safety of neoadjuvant Dato-DXd plus durvalumab followed by adjuvant durvalumab with or without chemotherapy compared with neoadjuvant pembrolizumab plus chemotherapy followed by adjuvant pembrolizumab with or without chemotherapy in participants with previously untreated TNBC or hormone receptor-low/HER2-negative breast cancer.

Primary Purpose
Treatment
Study Type
Interventional
Phase
Phase 3

Eligibility

Gender
All
Healthy Volunteers
No
Minimum Age
18 Years
Maximum Age
N/A

Inclusion Criteria:

  • Participant must be ≥ 18 years, at the time of signing the ICF.
  • Histologically confirmed Stage II or III unilateral or bilateral primary invasive TNBC or hormone receptor-low/HER2-negative breast cancer
  • ECOG PS of 0 or 1
  • Provision of acceptable tumor sample
  • Adequate bone marrow reserve and organ function
  • Contraceptive use by males or females should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.

Exclusion criteria:

  • History of another primary malignancy except for malignancy treated with curative intent with no known active disease within 3 years before randomization and of low potential risk for recurrence.
  • Evidence of distant disease.
  • Clinically significant corneal disease.
  • Has active or uncontrolled hepatitis B or C virus infection.
  • Known HIV infection that is not well controlled.
  • Uncontrolled infection requiring i.v. antibiotics, antivirals or antifungals; suspected infections; or inability to rule out infections.
  • Known to have active tuberculosis infection
  • Resting ECG with clinically significant abnormal findings.
  • Uncontrolled or significant cardiac disease.
  • History of non-infectious ILD/pneumonitis
  • Any prior or concurrent surgery, radiotherapy or systemic anticancer therapy for TNBC or hormone receptor-low/HER2-negative breast cancer
  • For females only: is pregnant (confirmed with positive serum pregnancy test) or breastfeeding, or planning to become pregnant.
  • Female participants should refrain from breastfeeding from enrolment throughout the study and for at least 7 months after last dose of study intervention, or as dictated by local PI for SoC if longer.

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Study Stats
Protocol No.
PRE23-009192
Contact
Monica Rocha
For Providers
NCT No.
NCT06112379
For detailed technical eligibility, visit ClinicalTrials.gov.