This pilot clinical trial will evaluate alisertib in combination with standard of care endocrine therapy and Human Epidermal Growth Factor Receptor-2 (HER2)-targeted therapy in participants with Stage IV hormone receptor positive (HR+)/ HER2 positive (HER2+) breast cancer, utilizing our novel 3-gene biomarker signature for patient selection and response prediction
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Age \> 18 years at the time of consent.
ECOG performance status \</=2 (Karnofsky \>/=60%).
Metastatic HR+/HER2+ breast cancer (estrogen receptor (ER) and/or progesterone receptor (PR) ≥1%, HER2 3+ by immunohistochemistry (IHC) or amplified by in situ hybridization (ISH).
Prior standard induction treatment with chemotherapy + trastuzumab + pertuzumab (HP) or fam-trastuzumab deruxtecan (T-DXd) and have completed a minimum of 4 cycles without progressive disease.
Planned to start or are receiving endocrine therapy + HER2-directed (HP or pertuzumab/trastuzumab/hyaluronidase-zzxf (PHESGO®)) therapy.
Demonstrate adequate organ function; all screening labs to be obtained within 28 days prior to registration.
Left ventricular ejection fraction ≥ 50% as assessed by echocardiogram (ECHO) or multi-gated acquisition scan (MUGA) documented within 6 weeks prior to the study treatment.
Patients must have measurable disease by Response Evaluation Criteria in Solid Tumors volume 1.1 (RECIST 1.1) or evaluable disease with circulating tumor DNA (ctDNA) that is detectible. Measurable disease is defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded for non-nodal lesions and short axis for nodal lesions) as ≥20 mm (≥2 cm) by chest x-ray or as ≥10 mm (≥1 cm) with CT scan, MRI, or calipers by clinical exam.
Willingness to receive growth factor injections for neutropenia prophylaxis. Only patients without any grade 3 or higher neutropenia during induction chemotherapy or T-DXd will be permitted to proceed without prophylactic growth factor support. If the enrolled patients in this trial develop high grade or prolonged neutropenia, the addition of growth factor will be required.
You may not be if
Active infection requiring systemic therapy.
Treatment with any investigational drug within 14 days prior to registration, or within 5 half-lives of the investigational product, whichever is longer.
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