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OncoMatch/Clinical Trials/NCT05076682

Reverse Triple Negative Immune Resistant Breast Cancer

Is NCT05076682 recruiting? Yes, currently enrolling (May 2026). This Phase 2 trial studies multiple treatments for triple-negative breast cancer.

Phase 2RecruitingFudan UniversityNCT05076682Data as of May 2026

Treatment: Choline · anti-PD-1 antibody and chemotherapy · Sodium Cromoglicate · Efavirenz · SHR-A1811 · SHR-A2102 · SHR-1316 · Mecapegfilgrastim · AK131 · TheophyllineThis is a Phase II, open-label, seven-arm parallel study evaluating the efficacy and safety of combined treatment (sodium cromoglicate, choline, efavirenz, SHR 1811, SHR 2102, mecapegfilgrastim, theophylline) with immune checkpoint inhibitor or immune checkpoint inhibitor rechallenge(AK131) in mTNBC (triple negative breast cancer) patients who progressed during previous immune checkpoint inhibitors.

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Extracted eligibility criteria

Cancer type

Triple-Negative Breast Cancer

Breast Carcinoma

Biomarker criteria

Required: HER2 (ERBB2) wild-type (absence of HER2 expression)

absence of HER2, ER, and PR expression

Required: ESR1 wild-type (absence of ER expression)

absence of HER2, ER, and PR expression

Required: PR (PGR) wild-type (absence of PR expression)

absence of HER2, ER, and PR expression

Performance status

ECOG 0–2(Ambulatory, capable of self-care)

Prior therapy

Min 1 prior line

Must have received: immunotherapy — metastatic

evidence of recurrence or disease progression after immunotherapy (combined with targeted therapy or chemo ) for metastatic breast cancer

Cannot have received: chemotherapy

Exception: outpatient clinic surgery excluded

Treatment with chemotherapy, radiotherapy, immunotherapy or surgery (outpatient clinic surgery excluded) within 3 weeks prior to initiation of study treatment.

Cannot have received: radiotherapy

Treatment with chemotherapy, radiotherapy, immunotherapy or surgery (outpatient clinic surgery excluded) within 3 weeks prior to initiation of study treatment.

Cannot have received: immunotherapy

Treatment with chemotherapy, radiotherapy, immunotherapy or surgery (outpatient clinic surgery excluded) within 3 weeks prior to initiation of study treatment.

Cannot have received: surgery

Exception: outpatient clinic surgery excluded

Treatment with chemotherapy, radiotherapy, immunotherapy or surgery (outpatient clinic surgery excluded) within 3 weeks prior to initiation of study treatment.

Cannot have received: PEG-rhG-CSF in combination with immunotherapy

Exception: Mecapegfilgrastim group only

For the Mecapegfilgrastim group, patients had previously received PEG-rhG-CSF in combination with immunotherapy.

Lab requirements

Blood counts

Adequate hematologic function, laboratory test results, obtained within 14 days prior to initiation of study treatment.

Kidney function

Adequate end-organ function, laboratory test results, obtained within 14 days prior to initiation of study treatment.

Liver function

Adequate end-organ function, laboratory test results, obtained within 14 days prior to initiation of study treatment.

Adequate hematologic and end-organ function, laboratory test results, obtained within 14 days prior to initiation of study treatment.

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

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