# A Study of 9MW2821 Versus Chemotherapy in Participants With Previously Treated Locally Advanced or Metastatic Triple-Negative Breast Cancer

Source: https://onco.cc/trials/nct07556848/  
OnCo record `nct07556848` (Trial). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

A phase 3 trial in triple-negative breast cancer, run by Mabwell (Shanghai) Bioscience Co., Ltd., not yet recruiting.

## Summary

A Study of 9MW2821 Versus Chemotherapy in Participants With Previously Treated Locally Advanced or Metastatic Triple-Negative Breast Cancer is a phase 3, randomised interventional study registered as NCT07556848 by Mabwell (Shanghai) Bioscience Co., Ltd., with a registry enrolment figure of 356 participants, started 2026-05 and due to reach its primary completion in 2027-12. Interventions recorded: 9MW2821; Chemotherapy. Conditions listed: Locally Advanced or Metastatic Triple-negative Breast Cancer. Triple-negative eligibility wording from the registry: "* Histopathological diagnosed triple-negative breast cancer". Sites: China. No results are recorded here; the registry entry is the source.

## Fields

- Kind: Trial
- Status: planned
- Last checked: 2026-09-24
- Tags: ctgov-ingest; tnbc-deep-dive
- Registry id: NCT07556848
- Phase: 3
- Setting: A Randomized, Open-label, Phase 3 Study to Evaluate 9MW2821 Versus Investigator's Choice of Chemotherapy in Participants With Locally Advanced or Metastatic Triple-Negative Breast Cancer Who Have Previously Received Taxane-based Chemotherapy With or Without Immunotherapy and an Antibody-drug Conjugate With a Topoisomerase Inhibitor Payload
- Sponsor: Mabwell (Shanghai) Bioscience Co., Ltd.
- Enrolled: 356

## Sources

- ClinicalTrials.gov NCT07556848: https://clinicaltrials.gov/study/NCT07556848

## Connected records

- cancers: [Metastatic triple-negative breast cancer](https://onco.cc/cancers/tnbc-metastatic/)
- terms: [Triple-negative breast cancer trials open today (registry snapshot and UK sites)](https://onco.cc/terms/tnbc-trials-open-today/)

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