A phase 2 trial of tiragolumab, atezolizumab and ipilimumab in triple-negative breast cancer, run by The Netherlands Cancer Institute, now recruiting.
NOvel Immunotherapy Strategies for Advanced Triple Negative Breast Cancer (TNBC) Patients: TONIC-3 Trial is a phase 2, randomised interventional study registered as NCT06342037 by The Netherlands Cancer Institute, with a registry enrolment figure of 60 participants, started 2024-06-12 and due to reach its primary completion in 2026-04-01. Interventions recorded: Tiragolumab; Atezolizumab; Ipilimumab. Conditions listed: Metastatic Breast Cancer. Triple-negative eligibility wording from the registry: "* Metastatic or incurable locally advanced triple negative breast cancer with confirmation of Estrogen receptor (ER) and Human Epidermal growth factor Receptor 2 (HER2) negativity (ER \<10%, HER2 IHC 0, 1+ or 2+ with no amplification) on a histological biopsy of a metastatic lesion". Sites: Netherlands. No results are recorded here; the registry entry is the source.
The full inclusion and exclusion criteria are on the registry record. Read 2026-10-07. Recruiting overall does not mean a particular site is open; ask the study team.
ClinicalTrials.gov data courtesy of the US National Library of Medicine.
Shares Atezolizumab, Metastatic triple-negative breast cancer, Triple-negative breast cancer trials open today (registry snapshot and UK sites), Immune checkpoint inhibitors and the tag tnbc-deep-dive.
Shares Metastatic triple-negative breast cancer, Triple-negative breast cancer trials open today (registry snapshot and UK sites), Immune checkpoint inhibitors and the tag tnbc-deep-dive.
Shares Metastatic triple-negative breast cancer, Triple-negative breast cancer trials open today (registry snapshot and UK sites), Immune checkpoint inhibitors and the tag tnbc-deep-dive.
Shares Metastatic triple-negative breast cancer, Triple-negative breast cancer trials open today (registry snapshot and UK sites), Immune checkpoint inhibitors and the tag tnbc-deep-dive.
Shares Metastatic triple-negative breast cancer, Triple-negative breast cancer trials open today (registry snapshot and UK sites), Immune checkpoint inhibitors and the tag tnbc-deep-dive.
Shares Metastatic triple-negative breast cancer, Triple-negative breast cancer trials open today (registry snapshot and UK sites), Immune checkpoint inhibitors and the tag tnbc-deep-dive.
Shares Metastatic triple-negative breast cancer, Triple-negative breast cancer trials open today (registry snapshot and UK sites), Immune checkpoint inhibitors and the tag tnbc-deep-dive.
Shares Metastatic triple-negative breast cancer, Triple-negative breast cancer trials open today (registry snapshot and UK sites), Immune checkpoint inhibitors and the tag tnbc-deep-dive.
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