OncoMatch

OncoMatch/Clinical Trials/NCT03815890

Pre-operative Trial for Breast Cancer With Nivolumab in Combination With Novel IO

Is NCT03815890 recruiting? Yes, currently enrolling (Jun 2026). This Phase 2 trial studies multiple treatments including Nivolumab and Ipilimumab for breast cancer.

Phase 2RecruitingThe Netherlands Cancer InstituteNCT03815890Data as of Jun 2026Location: Netherlands

Treatment: Nivolumab · Ipilimumab · IpilimumabTo determine whether short-term pre-operative nivolumab either as monotherapy or in combination with low dose doxorubicin or novel IO combinations can induce immune activation in early BC.

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Extracted eligibility criteria

Treatments studied

Immunotherapy

NivolumabIpilimumabIpilimumab

Cancer type

Breast Carcinoma

Biomarker criteria

Required: ESR1 expression <10% (<10%)

TNBC defined as ER<10%

Required: HER2 (ERBB2) negative (IHC <2 or 2+ with negative ISH)

HER2 negative is defined as an IHC score of <2 or 2+ with a negative ISH

Required: ESR1 expression ≥10% (≥10%)

luminal B defined as ER≥10%

Required: HER2 (ERBB2) negative (IHC <2 or 2+ with negative ISH)

HER2 negative is defined as an IHC score of <2 or 2+ with a negative ISH

Allowed: PR (PGR) expression ≤20%

luminal B defined as ER≥10%, HER2-negative with either Ki67≥20% or PR =<20% OR grade 3

Allowed: MKI67 expression ≥20%

luminal B defined as ER≥10%, HER2-negative with either Ki67≥20% or PR =<20% OR grade 3

Disease stage

Required: Stage I, II, III

Performance status

WHO 0–1

Demographics

Female only

Prior therapy

No prior treatment (treatment-naive required)
Max 0 prior lines

Cannot have received: radiation therapy

previous radiation therapy

Cannot have received: cytotoxic chemotherapy

previous chemotherapy

Cannot have received: checkpoint inhibitor

prior treatment with checkpoint inhibitors (including anti- PD1, -PD-L1, -CTLA-4)

Structured fields extracted by AI. May contain errors — verify against the official protocol.

Frequently asked questions

Is NCT03815890 currently recruiting?

Yes, this trial is currently recruiting patients.

Can patients have received prior systemic therapy?

No. This trial requires treatment-naive patients — prior systemic therapy is an exclusion criterion.

Does this trial require ESR1?

Yes, ESR1 expression <10% is a required biomarker for enrollment.

Does this trial require ERBB2?

Yes, ERBB2 negative is a required biomarker for enrollment.

Does this trial require ESR1?

Yes, ESR1 expression ≥10% is a required biomarker for enrollment.

What disease stage is eligible?

Stage I or II or III is required.

Is this trial open to male patients?

No. This trial enrolls female patients only.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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