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Low Dose Chemotherapy With Aspirin in Patients With Breast Cancer After Neoadjuvant Chemotherapy

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: NCT01612247
Recruitment Status : Unknown
Verified May 2012 by Marie E. Wood, MD, University of Vermont.
Recruitment status was:  Recruiting
First Posted : June 5, 2012
Last Update Posted : June 5, 2012
Maimonides Medical Center
Dartmouth-Hitchcock Medical Center
Information provided by (Responsible Party):
Marie E. Wood, MD, University of Vermont

Brief Summary:
Patients with stage II-III breast cancer who do not achieve a pathologic complete response to neoadjuvant chemotherapy at the time of surgery will be treated with oral low dose continuous cyclophosphamide and methotrexate (CM) in combination with aspirin following surgery and radiotherapy. The primary endpoint is to assess toxicity and safety with secondary endpoints of cytokine correlates and relapse free survival (RFS) at 2 years. The investigators design tests the null hypothesis (H0) that the true primary toxicity event rate will be 5% or less, against an alternative hypothesis (HA) event rate of 25% or more.

Condition or disease Intervention/treatment Phase
Breast Cancer Drug: Cyclophosphamide and Methotrexate and Aspirin Not Applicable

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 13 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Official Title: Low Dose Metronomic Cyclophosphamide and Methotrexate Chemotherapy in Combination With Aspirin in Patients With Stage II-III Breast Cancer Who Fail to Achieve a Pathologic Complete Response After Neoadjuvant Chemotherapy
Study Start Date : February 2011
Estimated Primary Completion Date : February 2013
Estimated Study Completion Date : February 2014

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Breast Cancer

Intervention Details:
  • Drug: Cyclophosphamide and Methotrexate and Aspirin
    Cyclophosphamide 50 mg PO daily x 28 days, cycles 1-4 Methotrexate 2.5 mg PO twice daily, days 1 and 2 each week x 4 weeks, cycles 1-4 ASA: 325 mg PO daily x 28 days, cycles 3 and 4 Treatment will be given for a total of 4 cycles.

Primary Outcome Measures :
  1. Toxicity and Safety [ Time Frame: 18 months ]
    The primary endpoint of the study is toxicity and safety. Serious adverse events, grade 3 and 4 nonhematologic toxicity, and hematologic toxicity requiring removal of the patient from study treatment will be reviewed. A fixed sample size design to test for primary toxicity events will be conducted. Sample size was selected based upon a null hypothesis that the toxicity rate will be 5% or less and that the alternative hypothesis toxicity rate will be 25% or more.

Secondary Outcome Measures :
  1. Biomarker Analysis [ Time Frame: 18 months ]
    Cytokine and LVEF data will be examined using a pre-post analysis implemented using an analysis of covariance model where the pre-value serves as the baseline covariate and the post-value serves as the dependent variable of interest. Pre-post changes for each of these measures will also described in terms of 95% confidence intervals for absolute and relative changes. Other covariates may be included to examine any mediating influences on these changes dependent upon exploratory model building results.

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:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients must have histologically confirmed,clinical stage II-III invasive breast cancer prior to neoadjuvant therapy (CTEP Simplified Disease Classification 10021980 or 10006190).
  • Patients may be male or female, premenopausal or postmenopausal. Tumor may be ER/PR positive or negative. Margins must be negative, with the following exception: microscopic positive anterior margin adjacent to skin is allowed.
  • Patients must receive chemotherapy prior to definitive surgery. Any preoperative chemotherapy regimen is acceptable, with the exception of anti-angiogenic agents.
  • Patients must have residual invasive breast cancer in breast and/or axillary lymph nodes by pathology at the time of surgery (not pathologic CR). All of the following clinical responses are acceptable: partial response (PR), stable disease (SD), progressive disease (PD).
  • Patients may receive hormonal therapy concurrently with study therapy. Hormonal therapy, if given, should start 4 weeks prior to initiation of study treatment in order to avoid a confounding effect on the correlative studies.
  • Age >18 years. Because breast cancer is extremely rare in this age group, children are excluded from this study.
  • Median life expectancy of greater than 2 years.
  • ECOG performance status <1 (Karnofsky >60%; see Appendix A).
  • Patients must have normal organ and marrow function as defined below:
  • absolute neutrophil count >1.5 K/cmm
  • platelets >100 K/cmm
  • total bilirubin within normal institutional limits
  • AST(SGOT)/ALT(SGPT) <2.5 X institutional upper limit of normal
  • creatinine within normal institutional limits OR
  • creatinine clearance >60 mL/min/1.73 m2 for patients with creatinine levels above institutional normal
  • No clinical evidence of brain metastases.
  • Patients must have QTc < 500 msec by electrocardiogram.
  • Patients must have an LVEF within institutional normal limits at baseline.
  • Patients with New York Heart Association Class I or II functional capacity are eligible. The following groups of patients are eligible provided they have New York Heart Association Class II (NYHA; see Appendix B) cardiac function at the time of baseline ECHO/MUGA:The following groups of patients are eligible provided they have New York Heart Association Class A or B
  • Patients must be registered within 180 days of definitive surgery. Treatment must start within one week of registration,
  • Because chemotherapeutic agents used in this trial are known to be teratogenic, 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.

Exclusion Criteria:

  • Patients may not have had chemotherapy within 4 weeks (6 weeks for nitrosoureas or mitomycin C) prior to entering the study and must have recovered from adverse events due to agents administered more than 4 weeks earlier.
  • Patients may not be receiving any other antineoplastic or investigational agents concurrently with study treatment with the exception of hormonal therapy.
  • Patients with HER-2 positive breast cancer are excluded.
  • History of allergic reactions attributed to aspirin or other agents used in the study.
  • Patients may not begin study treatment during radiotherapy, but may begin immediately after completing radiotherapy treatment.
  • Patients may not have received prior bevacizumab, or other anti-angiogenic agents (e.g., sorafenib, pazopanib, AZD2171, PTK787, VEGF Trap, etc.).
  • 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.
  • Patients with hypertension that cannot be controlled by medications (>160/100 mmHg despite optimal medical therapy) are not eligiblePatients with poorly controlled hypertension (systolic blood pressure of 140 mmHg or higher or diastolic blood pressure of 90 mmHg or higher) are ineligible.
  • Patients on chronic aspirin therapy, anti-platelet agents, anti-coagulation agents or nonsteroidal anti-inflammatory drugs (NSAIDs) at any dose are excluded. Patients who take these drugs intermittently must be willing to abstain for the duration of the study treatment.
  • Patients with any condition (e.g., gastrointestinal tract disease resulting in an inability to take oral medication or a requirement for IV alimentation, prior surgical procedures affecting absorption, or active peptic ulcer disease) that impairs their ability to swallow and retain oral medication are excluded.
  • Patients with any of the following conditions are excluded:

    • Prior history of gastrointestinal or central nervous system bleeding, or documented or self-reported blood in stools or bright red blood per rectum
    • Recent (within 12 months) history of clinically significant bleeding
    • Serious or non-healing wound, ulcer, or bone fracture.
    • History of abdominal fistula, gastrointestinal perforation, or intra-abdominal abscess within 28 days of treatment.
    • Any history of cerebrovascular accident (CVA) or transient ischemic attack within 12 months prior to study entry.
    • History of myocardial infarction, cardiac arrhythmia, stable/unstable angina, symptomatic congestive heart failure, or coronary/peripheral artery bypass graft or stenting within 12 months prior to study entry.
    • History of pulmonary embolism within the past 12 months.
    • Abnormal LVEF by objective measurement. Measurement is not required unless clinically indicated, but patients are excluded if LVEF is documented to be abnormal.
    • Class III or IV heart failure as defined by the NYHA functional classification system (see Appendix B).
  • Pregnant women are excluded from this study because cyclophosphamide and methotrexate are chemotherapeutic agents with the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with aspirin, cyclophosphamide and methotrexate, breastfeeding should not occur during study treatment. These potential risks may also apply to other agents used in this study.
  • Patients with a prior history of breast cancer, or any other malignancy other than non-melanoma skin cancer within the past five years, are excluded because recurrence of these cancers could affect the exploratory secondary endpoint of the trial.
  • Known HIV-positive patients are excluded because they are at increased risk of lethal infections when treated with marrow-suppressive therapy.

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): NCT01612247

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United States, New Hampshire
Dartmouth Hitchcock Medical Center Not yet recruiting
Lebanon, New Hampshire, United States, 03756
Contact: Mary Chamberlin, MD    603-653-9000      
Principal Investigator: Mary Chamberlin, MD         
United States, New York
Maimonides Cancer Center Recruiting
Brooklyn,, New York, United States, 11220
Contact: Susan Radoux, MD    718-765-2644   
Principal Investigator: Susan Radoux, MD         
United States, Vermont
University of Vermont Recruiting
Burlington, Vermont, United States, 05401
Contact: Marie E Wood, MD    802-656-5487      
Contact: Kim Dittus, MD    802-656-5487      
Principal Investigator: Marie E Wood, MD         
Sponsors and Collaborators
University of Vermont
Maimonides Medical Center
Dartmouth-Hitchcock Medical Center
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Responsible Party: Marie E. Wood, MD, MD, University of Vermont Identifier: NCT01612247    
Other Study ID Numbers: V1010
First Posted: June 5, 2012    Key Record Dates
Last Update Posted: June 5, 2012
Last Verified: May 2012
Keywords provided by Marie E. Wood, MD, University of Vermont:
Breast Cancer
Neoadjuvant therapy
Additional relevant MeSH terms:
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Breast Neoplasms
Neoplasms by Site
Breast Diseases
Skin Diseases
Immunosuppressive Agents
Immunologic Factors
Physiological Effects of Drugs
Antirheumatic Agents
Antineoplastic Agents, Alkylating
Alkylating Agents
Molecular Mechanisms of Pharmacological Action
Antineoplastic Agents
Myeloablative Agonists
Abortifacient Agents, Nonsteroidal
Abortifacient Agents
Reproductive Control Agents
Antimetabolites, Antineoplastic
Dermatologic Agents
Enzyme Inhibitors
Folic Acid Antagonists
Nucleic Acid Synthesis Inhibitors
Anti-Inflammatory Agents, Non-Steroidal
Analgesics, Non-Narcotic
Sensory System Agents