Immunotherapy before chemo: a new hope for Triple-Negative breast cancer?

NCT ID NCT04770272

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This phase 2 trial tested whether giving the immunotherapy drug atezolizumab (Tecentriq) alone for two weeks before starting standard chemotherapy could improve outcomes for people with triple-negative breast cancer. The study enrolled 442 participants and compared the two-week window approach to starting atezolizumab and chemo together from the start. The main goal was to see if the window led to a higher rate of complete cancer disappearance by the time of surgery. The trial was terminated early, so final results are not available.

What this could mean

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

Active substance

Atezolizumab (Tecentriq) plus chemotherapy (carboplatin, paclitaxel, epirubicin, cyclophosphamide)

What this could lead to

If successful, this approach could improve the chance of eliminating all cancer before surgery in triple-negative breast cancer patients.

What could go wrong

The trial was terminated early, so results are limited. Adding immunotherapy may increase side effects without clear benefit.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

triple-negative breast carcinoma

As listed by the trial registrant

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

Contacts and locations

Locations

  • Marienhospital Bottrop gGmbH; Klinik für Frauenheilkunde und Geburtshilfe;

    Bottrop, 46236, Germany