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Monoclonal Antibodies
Trastuzumab Deruxtecan for Metastatic Breast Cancer
Phase 3
Waitlist Available
Research Sponsored by Daiichi Sankyo
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial Must have
Has low-HER2 expression defined as IHC 2+/ISH- or IHC 1+ (ISH- or untested)
Has adequate archival tumor samples available or is willing to provide fresh biopsies prior to randomization for assessment of HER2 status and post-treatment status
Timeline
Screening 3 weeks
Treatment Varies
Follow Up from screening and every 6 weeks up to withdrawal of subject consent, progressive disease (pd), or unacceptable toxicity, up to approximately 3 years
Awards & highlights
Study Summary
This trial will compare DS-8201a to the standard treatment for HER2-low breast cancer that has spread.
Who is the study for?
This trial is for adults with HER2-low breast cancer that's inoperable or has spread, and who have tried endocrine therapy without success. They should have had 1-2 prior chemotherapy treatments in the metastatic setting, be able to provide tumor samples, and not have high-HER2 cancer or a history of certain lung conditions.Check my eligibility
What is being tested?
The study compares DS-8201a (Trastuzumab Deruxtecan) with standard treatments chosen by physicians such as Eribulin, Paclitaxel, Gemcitabine, Capecitabine or Nab-paclitaxel. Participants will receive either the new drug or one of these existing drugs based on their doctor's choice.See study design
What are the potential side effects?
Possible side effects include allergic reactions to medication components, fatigue, nausea and vomiting from chemotherapy drugs. Trastuzumab Deruxtecan may cause issues like hair loss and low blood cell counts leading to increased infection risk.
Eligibility Criteria
Inclusion Criteria
You may be eligible if you check “Yes” for the criteria belowSelect...
My cancer has low levels of HER2.
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I can provide samples of my tumor for testing before treatment starts.
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My cancer has grown or spread on my latest scans.
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My breast cancer cannot be surgically removed or has spread.
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I am legally considered an adult in my country.
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My condition worsened despite hormone therapy.
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My heart, liver, kidneys, bone marrow, and blood clotting functions are all within normal ranges.
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My cancer was never previously tested positive for HER2.
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I've had 1-2 rounds of chemotherapy for my cancer after it came back or spread.
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My cancer is either hormone receptor positive or negative.
Timeline
Screening ~ 3 weeks3 visits
Treatment ~ Varies
Follow Up ~ from screening and every 6 weeks up to withdrawal of subject consent, progressive disease (pd), or unacceptable toxicity, up to approximately 3 years
Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~from screening and every 6 weeks up to withdrawal of subject consent, progressive disease (pd), or unacceptable toxicity, up to approximately 3 years
Treatment Details
Study Objectives
Outcome measures can provide a clearer picture of what you can expect from a treatment.Primary outcome measures
Progression-free Survival (PFS) Based on Blinded Independent Central Review (BICR) in the Hormone Receptor-Positive Cohort in Participants With HER2-low Breast Cancer
Secondary outcome measures
Best Overall Response and Confirmed Objective Response Rate (ORR) in Participants With HER2-low Breast Cancer (All Patients)
Best Overall Response and Confirmed Objective Response Rate (ORR) in the Hormone Receptor-Positive Cohort in Participants With HER2-low Breast Cancer
Duration of Response in Participants With HER2-low Breast Cancer (All Patients)
+7 moreOther outcome measures
All-Cause Mortality
Trial Design
2Treatment groups
Experimental Treatment
Active Control
Group I: Trastuzumab deruxtecanExperimental Treatment1 Intervention
HER2-low, unresectable, and/or metastatic breast cancer participants previously treated with chemotherapy randomized to DS8201a
Group II: Physician's ChoiceActive Control5 Interventions
HER2-low, unresectable, and/or metastatic breast cancer participants previously treated with chemotherapy randomized to Physician's choice from the following options:
Capecitabine
Eribulin
Gemcitabine
Paclitaxel
Nab-paclitaxel
Research Highlights
Information in this section is not a recommendation. We encourage patients to speak with their healthcare team when evaluating any treatment decision.Mechanism Of Action
Side Effect Profile
Prior Approvals
Other Research
Antibody-drug conjugates (ADCs) like Trastuzumab Deruxtecan target the HER2 receptor on breast cancer cells, combining the specificity of monoclonal antibodies with the cytotoxic potency of chemotherapy. These drugs bind to HER2, delivering a cytotoxic agent directly to the tumor, which enhances treatment efficacy and minimizes damage to healthy cells.
This targeted approach is crucial for breast cancer patients as it improves outcomes and reduces systemic side effects. Other treatments, such as trastuzumab and pertuzumab, also target HER2, blocking its signaling pathways and inhibiting tumor growth.
Understanding these mechanisms allows for personalized treatment plans, optimizing efficacy and side effect management.
Aiming at a Tailored Cure for ERBB2-Positive Metastatic Breast Cancer: A Review.Promising novel therapies for the treatment of endometrial cancer.
Aiming at a Tailored Cure for ERBB2-Positive Metastatic Breast Cancer: A Review.Promising novel therapies for the treatment of endometrial cancer.
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Who is running the clinical trial?
Daiichi Sankyo Co., Ltd.Industry Sponsor
115 Previous Clinical Trials
48,529 Total Patients Enrolled
3 Trials studying Breast Cancer
1,385 Patients Enrolled for Breast Cancer
Daiichi SankyoLead Sponsor
396 Previous Clinical Trials
418,442 Total Patients Enrolled
25 Trials studying Breast Cancer
17,070 Patients Enrolled for Breast Cancer
AstraZenecaIndustry Sponsor
4,287 Previous Clinical Trials
288,619,593 Total Patients Enrolled
173 Trials studying Breast Cancer
1,245,788 Patients Enrolled for Breast Cancer
Media Library
Eligibility Criteria:
This trial includes the following eligibility criteria:- I have been treated with a HER2-targeting therapy before.I can provide samples of my tumor for testing before treatment starts.I have spinal cord compression or active brain metastases.My cancer has grown or spread on my latest scans.My cancer has low levels of HER2.You have at least one detectable tumor according to specific medical guidelines.My breast cancer cannot be surgically removed or has spread.My breast cancer has high levels of HER2.I have serious heart problems that are not under control.I cannot receive any standard treatments my doctor would normally choose.I am legally considered an adult in my country.My condition worsened despite hormone therapy.My heart, liver, kidneys, bone marrow, and blood clotting functions are all within normal ranges.My cancer was never previously tested positive for HER2.I have or had lung inflammation that needed steroids, or it's suspected but not confirmed by scans.I've had 1-2 rounds of chemotherapy for my cancer after it came back or spread.My cancer is either hormone receptor positive or negative.
Research Study Groups:
This trial has the following groups:- Group 1: Trastuzumab deruxtecan
- Group 2: Physician's Choice
Awards:
This trial has 2 awards, including:- No Placebo-Only Group - All patients enrolled in this study will receive some form of active treatment.
- Pivotal Trial - The final step before approval, pivotal trials feature drugs that have already shown basic safety & efficacy.
Timeline:
This trial has the following timeline:- Screening: It may take up to 3 Weeks to process to see if you qualify in this trial.
- Treatment: The duration you will receive the treatment varies.
- Follow Ups: You may be asked to continue sharing information regarding the trial for 6 Months after you stop receiving the treatment.
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