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Veliparib and Carboplatin in Treating Patients With HER2-Negative Metastatic Breast Cancer

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01251874
Recruitment Status : Completed
First Posted : December 2, 2010
Last Update Posted : April 23, 2018
Information provided by (Responsible Party):
National Cancer Institute (NCI)

Brief Summary:
This phase I trial studies the side effects and best dose of veliparib when given together with carboplatin and to see how well they work in treating patients with human epidermal growth factor 2 (HER2)-negative breast cancer that has spread to other parts of the body. Carboplatin kills cancer cells by damaging the deoxyribonucleic acid (DNA) that lets the cancer cell survive and reproduce. The body has proteins that try to repair the damaged DNA. Veliparib may prevent these proteins from repairing the DNA so that carboplatin may be able to kill more tumor cells. Giving veliparib with carboplatin may kill more tumor cells than carboplatin alone.

Condition or disease Intervention/treatment Phase
BRCA1 Gene Mutation BRCA2 Gene Mutation Estrogen Receptor Negative Estrogen Receptor Positive HER2/Neu Negative Progesterone Receptor Negative Progesterone Receptor Positive Recurrent Breast Carcinoma Stage IIIB Breast Cancer AJCC v7 Stage IIIC Breast Cancer AJCC v7 Stage IV Breast Cancer AJCC v6 and v7 Triple-Negative Breast Carcinoma Drug: Carboplatin Other: Fluorothymidine F-18 Other: Laboratory Biomarker Analysis Other: Pharmacological Study Procedure: Positron Emission Tomography Drug: Veliparib Phase 1

Detailed Description:


I. To determine the recommended phase II dose of veliparib along with carboplatin on a 14-day and 21-day schedule in patients with Her2 negative metastatic breast cancer that are estrogen receptor (ER)/progesterone receptor(PR) negative or ER and/or PR positive with defects in Fanconi Anemia (FA) pathway repair genes.

II. To determine the safety and tolerability of combining veliparib on a 14-day and 21-day schedule with carboplatin in this patient population.

III. To determine the preliminary efficacy of this combination in this patient population.


I. To determine the pharmacodynamic endpoints of poly(ADP-ribose) polymerase (PARP) inhibition in the tumor by using, A) 3'-[F-18]fluoro-3'-deoxythymidine positron emission tomography (FLT-PET) of the target lesions, B) circulating tumor cells to detect the induction of the histone variant gamma H2AX, and C) peripheral blood mononuclear cells to assess poly ADP-Ribose (PAR) levels.

II. To determine biomarkers in the primary tumor that may predict antitumor responses to PARP inhibition such as breast cancer 1/2, early onset (BRCA)1/2 protein, Fanconi anemia, complementation group D2 (FANCD2) nuclear foci formation and expression of micro-ribonucleic acid (RNA) 155 (miR 155).

OUTLINE: This is a dose-escalation study of veliparib.

Patients receive carboplatin intravenously (IV) over 1 hour on day 1 and veliparib orally (PO) twice daily (BID) on days 1-7 or 1-14. Courses repeat every 21 days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up for 12 weeks.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 44 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 1 Dose-Escalation Study of ABT-888 (Veliparib) in Combination With Carboplatin in HER2 Negative Metastatic Breast Cancer
Actual Study Start Date : November 16, 2010
Actual Primary Completion Date : April 12, 2017
Actual Study Completion Date : April 12, 2017

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Breast Cancer
Drug Information available for: Carboplatin

Arm Intervention/treatment
Experimental: Treatment (veliparib, F 18 fluorothymidine, carboplatin)
Patients receive carboplatin IV over 1 hour on day 1 and veliparib PO BID on days 1-7 or 1-14. Courses repeat every 21 days in the absence of disease progression or unacceptable toxicity. Patients may undergo fluorothymidine PET scan and peripheral blood cell and tumor tissue collection periodically for correlative studies.
Drug: Carboplatin
Given IV
Other Names:
  • Blastocarb
  • Carboplat
  • Carboplatin Hexal
  • Carboplatino
  • Carbosin
  • Carbosol
  • Carbotec
  • Displata
  • Ercar
  • JM-8
  • Nealorin
  • Novoplatinum
  • Paraplatin
  • Paraplatin AQ
  • Paraplatine
  • Platinwas
  • Ribocarbo

Other: Fluorothymidine F-18
Correlative studies
Other Names:
  • 18F-FLT
  • 3'-Deoxy-3'-(18F) Fluorothymidine
  • 3'-deoxy-3'-[18F]fluorothymidine
  • fluorothymidine F 18

Other: Laboratory Biomarker Analysis
Correlative studies

Other: Pharmacological Study
Correlative studies

Procedure: Positron Emission Tomography
Correlative studies
Other Names:
  • Medical Imaging, Positron Emission Tomography
  • PET
  • PET Scan
  • Positron Emission Tomography Scan
  • Positron-Emission Tomography
  • proton magnetic resonance spectroscopic imaging

Drug: Veliparib
Given PO
Other Names:
  • ABT-888
  • PARP-1 inhibitor ABT-888

Primary Outcome Measures :
  1. Incidence of adverse events to measure the safety and tolerability of this treatment combination [ Time Frame: Up to 12 weeks post-treatment ]
    Number and severity of toxicity incidents will be tabulated. Non-hematologic toxicities will be evaluated via the ordinal Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 standard toxicity grading. Hematologic toxicity measures of thrombocytopenia, neutropenia and leukopenia will be assessed using continuous variables as the outcome measures (primarily nadir and percent change from baseline values) as well as categorization via CTCAE standard toxicity grading. Frequency distributions and other descriptive measures will form the basis of the analysis of these variables.

Secondary Outcome Measures :
  1. Clinical response (complete and partial response as well as stable and progressive disease) [ Time Frame: Up to 12 weeks post-treatment ]
    Responses will be summarized by simple descriptive summary statistics delineating complete and partial responses as well as stable and progressive disease. Response and progression will be evaluated in this study using the new international criteria proposed by the revised Response Evaluation Criteria in Solid Tumors guideline (version 1.1).

Other Outcome Measures:
  1. PARP-1 activity [ Time Frame: Up to 5 years ]
    Analysis will be descriptive and exploratory in nature. Potential relationships and differences will be explored using graphical analyses and quantitative summaries of this marker.

  2. Thymidine kinase uptake on 3'-[F-18]fluoro-3'-deoxythymidine positron emission tomography (FLT-PET) scans [ Time Frame: Up to 18 weeks (after course 3) ]
    Analysis will be descriptive and exploratory in nature. Potential relationships and differences will be explored using graphical analyses and quantitative summaries of this marker.

  3. Circulating tumor cell markers [ Time Frame: Up to 5 years ]
    Analysis will be descriptive and exploratory in nature. Potential relationships and differences will be explored using graphical analyses and quantitative summaries of this marker.

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients must have histologically or cytologically proven metastatic or locally advanced inoperable breast cancer that fulfills one of the following two criteria:

    • Triple-negative breast cancer
    • ER and/or PR positive, HER2 negative if their tumors have been shown to be deficient for the FA pathway, based on FA triple stain immunofluorescence (FATSI) screening
    • HER negative with a known germline BRCA1/2 mutation

      • Patients with ER- and/or PR-positive breast cancer will be consented to have their existing, or to be obtained, paraffin-embedded tumor tissue screened for FA deficiency
  • No more than 3 prior chemotherapy regimens for metastatic disease will be allowed; any number of prior hormone therapies will be allowed; however, at least 4 weeks should have elapsed since prior chemotherapy (6 weeks for mitomycin C and nitrosoureas and 2 weeks for hormone therapy) or radiation therapy (2 weeks for limited field palliative radiation to the bone)
  • Eastern Cooperative Oncology Group (ECOG) performance status =< 2 (Karnofsky >= 60%)
  • Patients with treated brain metastases and life expectancy of greater than 3 months
  • Patients with known Gilbert syndrome with abnormal unconjugated bilirubin will be eligible
  • Absolute neutrophil count >= 1,500/mcL
  • Platelets >= 100,000/mcL
  • Total bilirubin within normal institutional limits
  • Aspartate aminotransferase (AST) (serum glutamic oxaloacetic acid transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) =< 2.5 X institutional upper limit of normal
  • Creatinine within normal institutional limits OR creatinine clearance >= 60 mL/min/1.73 m^2 for patients with creatinine levels above institutional normal
  • No prior therapy with veliparib for metastatic disease will be allowed
  • Women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation; should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately
  • Ability to understand and the willingness to sign a written informed consent document
  • Patients must be able to swallow pills

Exclusion Criteria:

  • Patients who have had chemotherapy or radiotherapy within 4 weeks (6 weeks for nitrosoureas or mitomycin C) prior to entering the study or those who have not recovered from adverse events due to agents administered more than 4 weeks earlier
  • Patients may not be receiving any other investigational agents
  • History of allergic reactions attributed to compounds of similar chemical or biologic composition to veliparib or other agents used in study
  • Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
  • Pregnant women are excluded from this study; breastfeeding should be discontinued if the mother is treated with veliparib
  • Known human immunodeficiency virus (HIV)-infected patients on protease inhibitors are ineligible; HIV-infected patients with adequate cluster of differentiation (CD)4 counts (> 500) and not on protease inhibitors are eligible
  • Patients with active seizure or a history of seizures are not eligible
  • Patients with uncontrolled central nervous system (CNS) metastasis are not eligible; patients with CNS metastases must be stable after therapy for > 3 months and off steroid treatment prior to study enrollment

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01251874

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United States, New York
Montefiore Medical Center-Einstein Campus
Bronx, New York, United States, 10461
Montefiore Medical Center - Moses Campus
Bronx, New York, United States, 10467
United States, Ohio
Ohio State University Comprehensive Cancer Center
Columbus, Ohio, United States, 43210
Sponsors and Collaborators
National Cancer Institute (NCI)
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Principal Investigator: Bhuvaneswari Ramaswamy Ohio State University Comprehensive Cancer Center
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Responsible Party: National Cancer Institute (NCI) Identifier: NCT01251874    
Other Study ID Numbers: NCI-2011-02552
NCI-2011-02552 ( Registry Identifier: CTRP (Clinical Trial Reporting Program) )
OSU 10080
8609 ( Other Identifier: Ohio State University Comprehensive Cancer Center )
8609 ( Other Identifier: CTEP )
P30CA016058 ( U.S. NIH Grant/Contract )
U01CA076576 ( U.S. NIH Grant/Contract )
UM1CA186712 ( U.S. NIH Grant/Contract )
First Posted: December 2, 2010    Key Record Dates
Last Update Posted: April 23, 2018
Last Verified: April 2018
Additional relevant MeSH terms:
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Breast Neoplasms
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Neoplasms by Site
Breast Diseases
Skin Diseases
Antineoplastic Agents
Poly(ADP-ribose) Polymerase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Antiviral Agents
Anti-Infective Agents