Trial purpose

Researchers want to learn if patritumab deruxtecan (MK-1022) can treat certain breast cancers. The breast cancers being studied are HER2 positive unresectable locally advanced or metastatic (the cancer has spread to other parts of the body). The goals of this study are to learn:

* About the safety and how well people tolerate of patritumab deruxtecan
* How many people have the cancer respond (get smaller or go away) to treatment

View full trial information on Clinicaltrials.gov

NATIONAL TRIAL REFERENCE NUMBER

NCT06686394

When you talk with your doctor or clinical trial team member, please have the national trial reference number available.

Resources

Eligibility

Only a qualified healthcare professional can determine if you are eligible to take part in a clinical trial. However, this information may be useful in starting a conversation with your doctor.

Conditions

Breast Cancer, Breast Neoplasms

Age Range

18+

Sex

All

About the trial

Current trial phase

Phase 1

Investigational medication is tested for safety on a relatively small group of 20 to 100 volunteers who are usually healthy, but not always. Phase 1 trials may happen in a doctor’s office or a hospital.

Phase 2

Tests the medicine or vaccine in approximately 100 to 500 participants. In the case of medicines, participants usually have the disease or condition the investigational medicine is designed to treat. In vaccine trials, the participants are usually healthy. Phase 2 trials may happen in a doctor’s office, a clinic, or a hospital.

Trial start and end dates
  • Trial start date 02-26-2025
  • Estimated primary completion date 09-10-2029
  • Estimated trial completion date 09-10-2029

Trial locations

Locations shown may have changed in some cases. Please call the number listed in the location results to confirm the nearest trial site. Talk with a trial site member for more information.

What can you do next?

If you think this clinical trial might be a good fit and you are interested in taking part, take the next step to see if you are eligible.

Discuss with your doctor or care team

Print this page with details about the trial or email it to your doctor to discuss the clinical trial during your next visit.

Get help talking with your doctor or care team

NATIONAL TRIAL REFERENCE NUMBER

NCT06686394

When you talk with your doctor or clinical trial team member, please have the national trial reference number available.