A Study of Trastuzumab Deruxtecan (T-DXd) Versus Trastuzumab Emtansine (T-DM1) in High-risk HER2-positive Participants With Residual Invasive Breast Cancer Following Neoadjuvant Therapy (DESTINY-Breast05)

Titre officiel

A Phase 3, Multicentre, Randomized, Open-Label, Active-Controlled Study of Trastuzumab Deruxtecan (T-DXd) Versus Trastuzumab Emtansine (T-DM1) in Participants With High-Risk HER2-Positive Primary Breast Cancer Who Have Residual Invasive Disease in Breast or Axillary Lymph Nodes Following Neoadjuvant Therapy (DESTINY-Breast05)

Sommaire:

Patients with HER2-positive primary breast cancer (BC) who do not achieve complete response after appropriate neoadjuvant therapy are at higher risk of disease recurrence. More effective treatment options are needed for this patient population. This study will examine the efficacy and safety of trastuzumab deruxtecan (T-DXd) compared with trastuzumab emtansine (T-DM1) in high-risk patients with residual invasive breast cancer following neoadjuvant therapy.

Description de l'essai

Primary Outcome:

  • Invasive Disease-free Survival (IDFS) in Participants Who Were Administered Trastuzumab Deruxtecan (T-DXd) Compared With Trastuzumab Emtansine (T-DM1) Treatment
Secondary Outcome:
  • Disease-free Survival (DFS) in Participants Who Were Administered Trastuzumab Deruxtecan (T-DXd) Compared With Trastuzumab Emtansine (T-DM1) Treatment
  • Overall Survival (OS) in Participants Who Were Administered Trastuzumab Deruxtecan (T-DXd) Compared With Trastuzumab Emtansine (T-DM1) Treatment
  • Distant Recurrence-free Interval (DRFI) in Participants Who Were Administered Trastuzumab Deruxtecan (T-DXd) Compared With Trastuzumab Emtansine (T-DM1) Treatment
  • Brain Metastases-free Interval (BMFI) in Participants Who Were Administered Trastuzumab Deruxtecan (T-DXd) Compared With Trastuzumab Emtansine (T-DM1) Treatment
  • Percentage of Treatment-emergent Adverse Events in Participants Who Were Administered Trastuzumab Deruxtecan (T-DXd) Compared With Trastuzumab Emtansine (T-DM1) Treatment
  • Serum Concentrations of Trastuzumab Deruxtecan (T-DXd), total anti-HER2 antibody, and Active Metabolite MAAA-1181a
  • Percentage of Participants Positive for Treatment-emergent Anti-drug Antibodies (ADAs) in Participants Who Were Administered Trastuzumab Deruxtecan (T-DXd)
This study will examine trastuzumab deruxtecan (T-DXd) versus trastuzumab emtansine (T-DM1) in patients with HER2-positive primary BC who have residual invasive disease in breast or axillary lymph nodes with higher risk of recurrence, which includes patients who were inoperable at disease presentation or had pathological node-positive status after neoadjuvant therapy. The primary objective is to compare invasive disease-free survival (IDFS) between T-DXd and T-DM1 treatment arms in this population. The key secondary objective of the study is to evaluate disease-free survival (DFS).

Voir cet essai sur ClinicalTrials.gov

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