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NCT04039230 | RECRUITING | Breast Cancer

Study to Evaluate Sacituzumab Govitecan in Combination With Talazoparib in Patients With Metastatic Breast Cancer.
Sponsor:

Massachusetts General Hospital

Information provided by (Responsible Party):

Laura M. Spring, MD

Brief Summary:

This research is studying the effect of Antibody-Drug Conjugate Sacituzumab Govitecan in Combination with the Poly (Adenosine Diphosphate \[ADP\]-Ribose) Polymerase (PARP) Inhibitor Talazoparib in Patients with Metastatic Triple-Negative Breast Cancer.

Condition or disease

Breast Cancer

Intervention/treatment

Talazoparib

Sacituzumab Govitecan

Phase

PHASE1

PHASE2

Detailed Description:

This is a Phase I/II clinical trial. You are being asked to participate in the Phase I portion of the study. A Phase I clinical trial tests the safety of an investigational drug and also tries to define the appropriate dose of the investigational drug to use for further studies. "Investigational" means that the drug is being studied. The U.S. Food and Drug Administration (FDA) has not approved sacituzumab govitecan as a treatment for any disease. The FDA has not approved talazoparib for this specific disease, but it has been approved for other uses in breast cancer. Sacituzumab govitecan is an antibody-drug conjugate which means it's made up of an antibody attached to an anticancer drug. An antibody is a protein normally made by the immune system (the system in the body that fights off diseases). Sacituzumab govitecan is believed to work by binding the antibody portion of the drug to the tumor(s) while the anticancer drug portion works to prevent the cancer cells from growing/spreading. Talazoparib belongs to a group of drugs called PARP inhibitors. PARP is a protein that is involved with repairing damaged DNA (the genetic material of cells). Talazoparib is believed to work by inhibiting (stopping) the PARP proteins from working in the cancer cells so that the cancer cannot fix its damaged DNA. The investigators believe that the combination of sacituzumab govitecan and talazoparib may help stop the cancer from growing and spreading by administering an anticancer drug directly to the cancerous tumor(s) through sacituzumab govitecan and by stopping the cancer's cells from fixing its damaged DNA through talazoparib.

Study Type : INTERVENTIONAL
Estimated Enrollment : 75 participants
Masking : NONE
Primary Purpose : TREATMENT
Official Title : Phase 1b/2 Study to Evaluate Antibody-Drug Conjugate Sacituzumab Govitecan in Combination With PARP Inhibitor Talazoparib in Patients With Metastatic Breast Cancer
Actual Study Start Date : 2019-10-09
Estimated Primary Completion Date : 2025-12
Estimated Study Completion Date : 2026-12

Information not available for Arms and Intervention/treatment

Ages Eligible for Study: 18 Years
Sexes Eligible for Study: FEMALE
Accepts Healthy Volunteers:
Criteria
Inclusion Criteria
  • * Adult (≥ 18 years of age).
  • * Histologically confirmed stage IV (metastatic) breast cancer.
  • * Participants must have biopsy proven ER negative (ER-), PR negative (PR-), HER2 negative, invasive breast cancer, by AJCC 7th edition staging. ER, PR, and HER2 positivity would be determined per institutional (local) guidelines.
  • * Pre- and postmenopausal women are eligible.
  • * ECOG performance status = 0-1
  • * Measurable disease as per RECIST Version 1.1.
  • * Ability to understand and the willingness to sign a written informed consent document. Patient has signed the Informed Consent (ICF) prior to any screening procedures being performed and is able to comply with protocol requirements.
  • * At least 2 weeks beyond treatment (chemotherapy, targeted therapy, immunotherapy, and/or radiation therapy) or major surgery and recovered from all acute toxicities (adverse events from prior anti-cancer agents need to be grade 1 or lower; grade 2 alopecia or peripheral neuropathy is permitted).
  • * At least 2 weeks beyond corticosteroids (however, low dose corticosteroids \<20 mg prednisone or equivalent daily are permitted).
  • * Patient has adequate bone marrow and organ function as defined by the following laboratory values at screening
    • * Absolute neutrophil count ≥1.5 × 109/L
    • * Platelets ≥100 × 109/L
    • * Hemoglobin ≥10.0 g/dL
    • * INR ≤1.5
    • * creatinine clearance ≥60 mL/min
    • * In the absence of liver metastases, alanine aminotransferase (ALT) and aspartate aminotransferase (AST) \<2.5 x ULN. If the patient has liver metastases, ALT and AST \<5 x ULN
    • * Total bilirubin ≤3.0 x ULN or direct bilirubin ≤1.5 x ULN in patients with well-documented Gilbert's Syndrome.
    • * Fasting plasma glucose \<140 mg/dL / 7.7 mmol/L and Glycosylated Hemoglobin (HbA1c) ≤ 8% (both criteria must be met).
    Exclusion Criteria
    • * Participants who have had anti-cancer therapy including targeted therapy or chemotherapy or radiotherapy within 2 weeks (6 weeks for nitrosoureas or mitomycin C) prior to entering the study, or those who have not recovered from adverse events (clinically significant grade 2 or higher adverse events; grade 2 alopecia or peripheral neuropathy is permitted) due to prior anti-cancer agents.
    • * Participants who have received prior irinotecan or ADC backbone with SN-38 or topoisomerase-1 inhibitor.
    • * Participants with progressive CNS metastatic disease. Patients with stable CNS metastasis would be eligible, provided mets radiologically stable for at least one month, and patient is not actively taking steroids (more than 20 mg of prednisone or equivalent dose).
    • * Current use of strong CYP3A inhibitors/inducers, or P-gp inhibitors within 7 days prior to randomization. For a list of strong CYP3A inhibitors/inducers and P-gp inhibitors, refer to Appendix C.
    • * Uncontrolled inter-current 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. Patient has impairment of gastrointestinal (GI) function or GI disease that may significantly alter the absorption of the study drugs (e.g., ulcerative diseases, uncontrolled nausea, vomiting, diarrhea, malabsorption syndrome, or small bowel resection).
    • * Clinically significant, uncontrolled heart disease and/or cardiac repolarization abnormality including any of the following
      • * History of angina pectoris, symptomatic pericarditis, coronary artery bypass graft (CABG) or myocardial infarction within 6 months prior to study entry.
      • * Documented cardiomyopathy.
      • * History of cardiac failure, significant/symptomatic bradycardia, Long QT syndrome, family history of idiopathic sudden death or congenital long QT syndrome or any of the following:
      • * Known risk to prolong the QT interval or induce Torsade's de Pointes.
      • * Uncorrected hypomagnesemia or hypokalemia.
      • * Systolic Blood Pressure (SBP) \>160 mmHg or \<90 mmHg.
      • * Bradycardia (heart rate \<50 at rest), by ECG or pulse.
      • * On screening, inability to determine the QTcF interval on the ECG (i.e.: unreadable or not interpretable) or QTcF \>450 screening ECG.
      • * HIV-positive participants on combination antiretroviral therapy are ineligible. These participants are at increased risk of lethal infections when treated with marrow-suppressive therapy. Appropriate studies will be undertaken in participants receiving combination antiretroviral therapy when indicated.
      • * Pregnant women are excluded from this study because the safety of study medications is not established in pregnant women.
      • * Women of child-bearing potential, defined as all women physiologically capable of becoming pregnant, or fertile men, unless they are using highly effective methods of contraception throughout the study and after study drug discontinuation (till 8 weeks in women and six months in males, post-study). Male patient should not donate sperm while on treatment and up to 6 months after last dose. Women are considered post-menopausal and not of child bearing potential if they have had 12 months of natural (spontaneous) amenorrhea with an appropriate clinical profile (e.g. age appropriate, history of vasomotor symptoms) or have had surgical bilateral oophorectomy (with or without hysterectomy) or tubal ligation at least six weeks ago. In the case of oophorectomy alone, only when the reproductive status of the woman has been confirmed by follow up hormone level assessment is she considered not of child bearing potential. Highly effective contraception methods include
        • * Total abstinence when this is in line with the preferred and usual lifestyle of the patient. Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of contraception.
        • * Female sterilization (have had surgical bilateral oophorectomy with or without hysterectomy), total hysterectomy, or tubal ligation at least six weeks before taking study treatment. In case of oophorectomy alone, only when the reproductive status of the woman has been confirmed by follow up hormone level assessment
        • * Use of oral, injected or implanted hormonal methods of contraception or placement of an intrauterine device (IUD) or intrauterine system (IUS), or other forms of hormonal contraception that have comparable efficacy (failure rate \<1%), for example hormone vaginal ring or transdermal hormone contraception.
        • * In case of use of oral contraception, women should have been stable on the same pill for a minimum of 3 months before taking study treatment. Note: While oral contraceptives are allowed, they should be used in conjunction with a barrier method of contraception due to unknown effect of drug-drug interaction.
Study to Evaluate Sacituzumab Govitecan in Combination With Talazoparib in Patients With Metastatic Breast Cancer.

Location Details

NCT04039230

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Locations

RECRUITING

United States, Massachusetts

Massachusetts General Hospital Cancer Center

Boston, Massachusetts, United States, 02115

RECRUITING

United States, Massachusetts

Boston Medical Center

Boston, Massachusetts, United States, 02118