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A Phase 3, Multi-Center, Open-Label, Randomized Study of Gemcitabine/Carboplatin, With or Without BSI-201, in Patients With ER-, PR-, and Her2-Negative Metastatic Breast Cancer

The goal of this study was to determine the effect on overall survival and progression free survival by adding iniparib (BSI-201/SAR240550) to the combination of gemcitabine/carboplatin in adult patients with triple negative breast cancer (estrogen receptor (ER)-negative, progesterone receptor (PR)-negative, and human epidermal growth factor receptor 2 (HER2)-negative). Based on data generated by BiPar/Sanofi, it is concluded that iniparib does not possess characteristics typical of the poly (ADP-ribose) polymerase (PARP) inhibitor class. The exact mechanism has not yet been fully elucidated, however based on experiments on tumor cells performed in the laboratory, iniparib is a novel investigational anti-cancer agent that induces gamma-H2AX (a marker of DNA damage) in tumor cell lines, induces cell cycle arrest in the G2/M phase in tumor cell lines, and potentiates the cell cycle effects of DNA damaging modalities in tumor cell lines. Investigations into potential targets of iniparib and its metabolites are ongoing.

Stanford is not currently accepting new patients for this trial. You may want to check clinicaltrials.gov to see if other locations are recruiting.

Investigator(s):

Intervention(s):

  • drug : Iniparib
  • drug : gemcitabine/carboplatin

Phase: Phase 3

Eligibility

Ages Eligible For Study:

18 Years - N/A

Inclusion Criteria

- Histologically documented breast cancer (either primary or metastatic site) that is ER-negative, PR-negative, and HER2 non-overexpressing by immunohistochemistry (0, 1) or fluorescence in situ hybridization (FISH). Triple-negative tumors were defined by the following criteria: - HER2-non-overexpressing: FISH-negative (defined by ratio <2.2) or, immunohistochemical (IHC) 0, IHC 1+ or, IHC 2+ or IHC 3+ and FISH-negative. - ER- and PR-negative: <10% tumor staining by immunohistochemistry (IHC). - Never having received chemotherapy for metastatic disease or, having received 1 or 2 prior chemotherapy regimens in the metastatic setting (Prior adjuvant/neoadjuvant therapy was allowed); - Metastatic breast cancer (Stage IV) with measurable disease by RECIST 1.1 criteria; - Female, ?18 years of age; - Eastern Cooperative Oncology Group (ECOG) performance status of 0-1; - Organ and marrow function as follows: absolute neutrophil count (ANC) ?1500/mm3, platelets ?100,000/dL, hemoglobin ?9 g/dL, bilirubin ?1.5 mg/dL, serum creatinine ?1.5 mg/dL or creatinine clearance ?60 mL/min, alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ?2.5 times the upper limit of normal if no liver involvement or ?5 times the upper limit of normal with liver involvement; - Radiation therapy completed at least 14 days before study dosing on day 1; radiated lesions may not have served as measurable disease; - Central nervous system metastases allowed if subject did not require steroids, whole brain radiation therapy (XRT), gamma/cyber knife, and brain metastases were clinically stable without symptomatic progression; - For women of child bearing potential, documented negative pregnancy test within two weeks of study entry and agreement to acceptable birth control during the duration of the study therapy; - Tissue block (primary or metastatic) or readily available fresh frozen tumor tissue for PARP expression and other pharmacogenomic studies recommended (although its absence will not exclude subjects from participating); - No other diagnosis of malignancy (with exception of non melanoma skin cancer or a malignancy diagnosed ?5 years ago); - Obtained informed consent; - Capability to understand and comply with the protocol and signed informed consent document.

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Contact information

Stanford University
School of Medicine
300 Pasteur Drive
Stanford, CA 94305
Cancer Clinical Trials Office
650-498-7061
Not Recruiting

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