New hope for Hard-to-Treat breast cancer: phase 3 trial launches

NCT ID NCT07556848

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 3 trial compares a new drug called 9MW2821 to standard chemotherapy in 356 people with advanced triple-negative breast cancer who have already received certain prior treatments. The main goal is to see if the new drug helps people live longer. Participants will receive either 9MW2821 or one of four standard chemo options.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
9MW2821 (an antibody-drug conjugate)
What this could lead to
If it works, this could offer a new treatment option for people with advanced triple-negative breast cancer who have already tried other therapies.
What could go wrong
This is a phase 3 trial, but results are not yet known. The new drug may not be more effective than existing chemotherapies and could have unexpected side effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Fudan University Shanghai Cancer Center

    Shanghai, Shanghai Municipality, 200032, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.