Phase 3 Breast Cancer Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- People who have read and understood what the study involves, and have signed the consent form
- People aged 18 or older at the time of signing the consent form, of any gender
- People who have been confirmed through tissue testing to have breast cancer that has spread to other parts of the body or cannot be surgically removed (advanced or metastatic)
- People whose cancer has been confirmed by the trial's central laboratory to be HER2-positive (meeting specific testing thresholds defined by the trial)
- People whose cancer may be either hormone receptor positive or negative, as confirmed by the trial's central laboratory
- People who have not previously received chemotherapy or HER2-targeted treatment for their advanced or metastatic breast cancer (one prior hormonal therapy is allowed)
- People who have at least one area of cancer that can be measured using standard imaging criteria (RECIST v1.1), as assessed by the trial's central imaging team
- People whose general physical functioning, as rated on a standard medical scale, falls within an acceptable range (score of 0 or 1) within 7 days before starting the study treatment
- People with a life expectancy of at least 12 weeks
- People whose heart, liver, kidneys, and other major organs are functioning at an adequate level
Who may not be able to join:
- People who have had a second, separate cancer diagnosis within the 3 years before signing the consent form
- People who have previously received a high cumulative dose of the chemotherapy drug doxorubicin (above 360 mg/m², or an equivalent amount of a similar drug)
- People who have previously been treated with a type of targeted drug delivery therapy (called an antibody-drug conjugate, or ADC) that contains a specific class of anti-cancer agent known as a topoisomerase I inhibitor
- People with heart or blood vessel disease that is not well controlled or is considered significant
- People who have had a stroke or similar brain blood vessel event within 6 months before starting the study treatment
- People who have or are suspected to have a lung condition involving inflammation or scarring (such as interstitial lung disease or pneumonitis), or other significant lung illness
- People who have an active infection at the time of joining
- People who have cancer that is pressing on the spinal cord, or who have brain or nervous system metastases that are causing symptoms
- People who still have side effects from previous cancer treatment that have not resolved to a mild or baseline level (hair loss is an exception to this)
- People with active tuberculosis
- People who have received a live vaccine within 30 days before starting the study treatment
- People with a known history of severe allergic reactions to large-molecule protein-based medicines, or known allergies to any ingredient in the study drugs
- People with a known history of misuse of or addiction to mind-altering substances
- People who are pregnant or currently breastfeeding
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Fei Ma, Dr, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
Phone: 021-33395800
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Objective response rate (ORR) (assessed by the blinded independent central review [BICR] as per RECIST v1.1); Progression-free survival (PFS) (assessed by BICR as per RECIST v1.1)
Can't join this trial?
Data last synced from ClinicalTrials.gov: 9 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.