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A Phase 3 Trial of Neoadjuvant T-DXd Monotherapy or T-DXd followed by THP Compared to ddAC-THP in Participants with High-risk HER2-positive Early-stage Breast Cancer (DESTINY-Breast11)

Active, not recruiting
Conditions
HER2-positive early breast cancer
Registration Number
jRCT2041210097
Lead Sponsor
Daiichi Sankyo Co., Ltd.
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Not Recruiting
Sex
All
Target Recruitment
900
Inclusion Criteria

Key Inclusion Criteria:

  • Patients must be at least 18 years of age.
  • Histologically documented HER2-positive early breast cancer (EBC) participants, including clinical stage at presentation (based on mammogram or breast MRI assessment): T0-4 (inclusive of inflammatory breast cancer), N1-3, M0 or >= T3, N0, M0 as determined by the AJCC staging system, 8th edition
  • ECOG performance status of 0 or 1 at randomization
Exclusion Criteria

Exclusion Criteria:

  • prior history of invasive breast cancer
  • stage IV breast cancer (determined by AJCC staging system)
  • any primary malignancy within 3 years (except resected non-melanoma skin cancer, curatively treated in situ disease). This includes a second current breast primary malignancy (ie, bilateral breast cancer).
  • history of DCIS (except those treated with mastectomy >5 years prior to current diagnosis)
  • History of, or current, ILD/pneumonitis
  • Prior systemic therapy for the treatment of breast cancer
  • Previous treatment with anthracyclines, cyclophosphamide or taxanes for any malignancy

Study & Design

Study Type
Interventional
Study Design
parallel assignment
Primary Outcome Measures
NameTimeMethod
rate of pathologic complete response (pCR)Following completion of neoadjuvant therapy

Proportion of participants who have no evidence by H&E staining of residual invasive disease

Secondary Outcome Measures
NameTimeMethod

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