A Phase 2 Study of Standard Chemotherapy Plus BSI-201 (a PARP Inhibitor) in the Neoadjuvant Treatment of Triple Negative Breast Cancer
| Status: | Completed |
|---|---|
| Conditions: | Breast Cancer, Cancer |
| Therapuetic Areas: | Oncology |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 4/21/2016 |
| Start Date: | December 2008 |
| End Date: | October 2012 |
This study will investigate whether the neoadjuvant combination of gemcitabine, carboplatin,
and BSI-201 will cause a high percentage of triple negative breast cancer patients to
achieve a pathologic complete response prior to surgery.
Based on data generated by BiPar/Sanofi, it is concluded that iniparib does not possess
characteristics typical of the 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.
and BSI-201 will cause a high percentage of triple negative breast cancer patients to
achieve a pathologic complete response prior to surgery.
Based on data generated by BiPar/Sanofi, it is concluded that iniparib does not possess
characteristics typical of the 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.
Inclusion Criteria:
- invasive breast cancer
- stage I-IIIA disease
- ER, PR, Her2/neu-negative status
- no prior treatment for breast cancer
- age 18 years of greater
- normal renal, liver function
- normal hematologic status
- ECOG Performance status 0, 1
- Evaluation by a surgeon to determine breast conservation eligibility
- Women of childbearing potential must have a documented negative pregnancy test within
2 months of study trial entry and agree to birth control during the duration of the
trial therapy
- Ability to understand and the willingness to sign a written informed consent document
Exclusion Criteria:
- Metastatic breast cancer
- Inoperable breast cancer, including Stage IIIB and IIIC
- Tumor size less than 1 centimeter
- Prior surgery, systemic therapy, or radiotherapy for the current cancer
- Hormone receptor-positive breast cancer
- Her2/neu-positive breast cancer
- Any concurrent condition which in the investigator's opinion makes it inappropriate
for the patient to participate in the trial or which would jeopardize compliance with
the protocol
- Pregnant or nursing women
- Receipt of any investigational agents within 30 days prior to commencing study
treatment
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