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Brain Irradiation and Tremelimumab in 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: NCT02563925
Recruitment Status : Active, not recruiting
First Posted : September 30, 2015
Last Update Posted : July 17, 2019
MedImmune LLC
Information provided by (Responsible Party):
Memorial Sloan Kettering Cancer Center

Brief Summary:
The purpose of this study is to see if the combination of tremelimumab and durvalumab with brain radiation therapy can help treat this type of breast cancer that has spread to the brain.

Condition or disease Intervention/treatment Phase
Metastatic Breast Cancer Radiation: Brain radiotherapy or Stereotactic Radiosurgery Drug: Tremelimumab Drug: HER2 directed therapy Drug: Durvalumab Not Applicable

Detailed Description:
A Simon 2-stage single-arm design (n=17) will be employed to evaluate for preliminary efficacy. A maximum of 17 subjects will be accrued to the efficacy arm. After the first 3 patients are enrolled in the efficacy arm, a 6 week enrollment hold will be conducted in order to ensure safety before additional patients are enrolled. An interim assessment will then occur after the first 9 subjects have enrolled, and the accrual to this arm will proceed only if a pre-specified futility threshold is met. Patients not requiring continuation of HER2 directed therapy, such as trastuzumab, will be enrolled in this arm.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 28 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Pilot Study of Brain Irradiation and Tremelimumab in Metastatic Breast Cancer
Study Start Date : September 2015
Estimated Primary Completion Date : September 2020
Estimated Study Completion Date : September 2020

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Breast Cancer

Arm Intervention/treatment
Experimental: Radiation and Tremelimumab
Subjects will get either whole brain radiation treatment (WBRT) or stereotactic radiosurgery (SRS), as per standard of care, with tremelimumab administered every 28 days. Patients, for whom concurrent HER2 directed therapy trastuzumab is indicated, as determined by the treating investigator, will be enrolled in a parallel HER2 directed therapy trastuzumab safety cohort. Protocol Expansion: Dose 1 of tremelimumab & durvalumab (75 mg & 1500 mg, respectively) will ideally be administered 2 days prior to initiation of brain radiotherapy (or between 5 days prior & 3 days after initiation of radiotherapy). Subjects will get either WBRT or SRS, depending on the number & size of their brain metastases. Following the 1st dose, tremelimumab & duvralumab will be administered q28 days from the date of 1st tremelimumab & durvalumab administration, plus or minus 1 week, for 4 cycles. After the 4th cycle, durvalumab will be administered alone until progression of disease or unacceptable toxicity.
Radiation: Brain radiotherapy or Stereotactic Radiosurgery
Drug: Tremelimumab
Drug: HER2 directed therapy
Drug: Durvalumab

Primary Outcome Measures :
  1. non-CNS disease control rate [ Time Frame: 12 week ]
    of the combination of tremelimumab plus brain irradiationdefined as either complete response (CR), partial response (PR), or stable disease (SD) by RECIST1.1 criteria.

  2. non-CNS disease control rate [ Time Frame: 12 week ]
    of the combination of tremelimumab, durvalumab, and HER2 directed therapy plus brain irradiation (SRS or WBRT) by RECIST 1.1 criteria.

Secondary Outcome Measures :
  1. Immune-related progression free survival (irPFS) [ Time Frame: 12 week ]
    will be defined as the time from the first dose of tremelimumab until death or progressive disease, as measured by irRC.

  2. safety profile assessed with regular physical examination and toxicity assessment using the NCI CTCAE 4.0. Subjects will be followed with regular radiation oncology assessments as per the standard of care. [ Time Frame: 1 year ]

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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:

  • Diagnosis of CNS metastases for whom SRS or WBRT is indicated, as determined by radiation oncologist assessment
  • Age 18 and older at the time of consent
  • Written informed consent and authorization obtained from the subject/HIPAA-appointed legal representative prior to performing any protocol-related procedures including screening evaluations
  • ECOG performance of 0-2 with anticipated life expectancy of ≥12 weeks
  • Histologically or cytologically confirmed invasive breast cancer that is HER2-positive (3+ by IHC and/or >2.0 by FISH) if concurrent HER2-directed therapy is planned;
  • Non-CNS progression of disease as assessed by the investigator/treating physician, for which a change in systemic therapy is planned OR achievement of stable or responsive non-CNS disease for which a holiday from the current systemic therapy is planned, as assessed by the investigator/treating physician.
  • Measurable non-CNS disease, defined by RECIST1.1 criteria
  • Recovered from all toxicities associated with prior treatment, to acceptable baseline status or grade 1 or less (for lab toxicities see below limits for inclusion,), except for toxicities not considered a safety risk, such as alopecia or vitiligo. Peripheral neuropathy must be grade 2 or less
  • Adequate organ and marrow function, as defined below:
  • platelets ≥ 75x 103/μL;
  • absolute neutrophil count (ANC) ≥ 1,000/μL;
  • hemoglobin ≥ 9.0 g/dL;
  • total bilirubin ≤1.5 x ULN (upper limit of normal) except subject with documented Gilbert's syndrome (≤5 x ULN) or liver metastasis, who must have a baseline total bilirubin ≤3.0 mg/dL;
  • AST and ALT ≤ 3 x ULN, unless associated with hepatobiliary metastases, in that case ≤5 x ULN
  • serum creatinine ≤ 2 mg/dL (or glomerular filtration rate ≥ 50 ml/min as determined by the Cockcroft-Gault equation);
  • Negative hepatitis B serologic tests. If positive results are not indicative of active or chronic infection, the subjects can enter the study at the investigator's discretion
  • Females of childbearing potential who are sexually active with a non-sterilized male partner must use a highly effective method of contraception prior to the first dose of investigational product, and must agree to continue using such precautions for 6 months after the final dose of investigational product; cessation of contraception after this point should be discussed with a responsible physician. Periodic abstinence, the rhythm method, and the withdrawal method are not acceptable methods of contraception. They must also refrain from egg cell donation for 6 months after the final dose of investigational product;
  • Females of childbearing potential are defined as those who are not surgically sterile (ie, bilateral tubal ligation, bilateral oophorectomy, or complete hysterectomy) or postmenopausal (defined as 12 months with no menses without an alternative medical cause);
  • A highly effective method of contraception is defined as one that results in a low failure rate (i.e., less than 1% per year) when used consistently and correctly. The acceptable methods of contraception
  • Non-sterilized males who are sexually active with a female partner of childbearing potential must use a highly effective method of contraception from Days 1 through 90 post last dose. In addition, they must refrain from sperm donation for 90 days after the final dose of investigational product
  • LVEF ≥50% for patients enrolling in the HER2 directed therapy arm
  • Willing to attempt a baseline tumor biopsy procedure

Exclusion Criteria:

  • CNS complications for whom urgent neurosurgical intervention is indicated (e.g., resection, shunt placement)
  • Known leptomeningeal metastases not amenable to radiotherapy. Patients receiving radiotherapy for leptomeningeal metastases are eligible
  • Received any prior monoclonal antibody against CTLA-4, programmed cell death 1 (PD1) or programmed cell death 1 ligand 1 (PD-L1)
  • Subjects with a history of hypersensitivity to compounds of similar biologic composition to tremelimumab or any constituent of the product
  • Subjects with a history of hypersensitivity to compounds of similar biologic composition to durvalumab or any constituent of the product;
  • Patients unable to obtain MRI for any reason (e.g., due to pacemaker, ferromagnetic implants, claustrophobia, extreme obesity)
  • Concurrent enrollment in another therapeutic clinical study or receipt of an investigational product within the last 4 weeks (participation in the survival follow-up period of a study is not an exclusion criterion)
  • Medical conditions (aside from newly-diagnosed brain metastases) for which the chronic use of corticosteroids or other immunosuppressive medications are indicated. Note: inhaled and topical steroids are permitted
  • Use of immunosuppressive medications within 14 days before the first dose of study drug. The following are exceptions to this criterion: Intranasal, inhaled, topical steroids, or local steroid injections (e.g. intra articular injection); systemic corticosteroids at physiological doses not to exceed 10mg/day of prednisone or its equivalent; steroids as premedication for hypersensitivity reactions (e.g. CT scan premedication).
  • Subjects should not be vaccinated with live attenuated vaccines within one month prior to starting tremelimumab treatment
  • Any condition that, in the opinion of the investigator, would interfere with evaluation of the investigational product or interpretation of subject safety or study results
  • Any serious uncontrolled medical disorder or active infection that would impair the subject's ability to receive investigational product, such as conditions associated with frequent diarrhea
  • Active or history of autoimmune or inflammatory disorders, including inflammatory bowel disease (e.g., colitis, Crohn's), diverticulitis (with the exception of diverticulosis), irritable bowel disease, celiac disease or other serious gastrointestinal chronic conditions associated with diarrhea. Active or history of systemic lupus erythematosus or Wegener's granulomatosis, Sarcoidosis syndrome, Addison's disease, multiple sclerosis, Graves' disease, Hashimoto's thyroiditis, rheumatoid arthritis, hypophysitis, uveitis, etc. Patients without active disease in the last 5 years may be included but only after consultation with the study physician. Note: the following are exceptions to this criterion: Vitiligo or alopecia; patients with hypothyroidism (i.e. following Hashimoto syndrome) stable on hormone replacement; any chronic skin condition that does not require systemic therapy; patients with celiac disease controlled by diet alone;
  • Mean QT interval corrected for heart rate (QTc) ≥470 ms calculated from 3 electrocardiograms (ECGs) using Frederica's Correction;
  • Uncontrolled intercurrent illness including, but not limited to, symptomatic congestive heart failure, uncontrolled hypertension, unstable angina pectoris, cardiac arrhythmia, interstial lung disease, serious chronic gastrointestinal conditions associated with diarrhea, active peptic ulcer disease or gastritis, and active bleeding diatheses;
  • Known history of previous clinical diagnosis of tuberculosis;
  • History of allogeneic organ transplant;
  • History of leptomeningeal carcinomatosis
  • No active, second potentially life-threatening cancer. No history of another primary malignancy except for; malignancy treated with curative intent and no known active disease ≥5 years before the first dose of IP and of low potential risk for recurrence; adequately treated non-melanoma skin cancer or lentigo maligna without evidence of disease; adequately treated carcinoma in situ without evidence of disease;
  • Pregnant or breast feeding at time of consent
  • Any condition that would prohibit the understanding or rendering of information and consent and compliance with the requirements of this protocol
  • Known positive for HIV, chronic or active hepatitis B or C
  • Patient is unable to receive IV contrast
  • Neuroimaging evidence of midline shift
  • Major surgical procedure, as defined by the investigator, within 28 days prior to the first dose of IP. Note: Local surgery or isolated lesions for palliative intent is acceptable.

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): NCT02563925

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United States, New York
Memorial Sloan Kettering Cancer Center
New York, New York, United States, 10065
Sponsors and Collaborators
Memorial Sloan Kettering Cancer Center
MedImmune LLC
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Principal Investigator: Shanu Modi, MD Memorial Sloan Kettering Cancer Center
Additional Information:
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Responsible Party: Memorial Sloan Kettering Cancer Center Identifier: NCT02563925    
Other Study ID Numbers: 15-038
First Posted: September 30, 2015    Key Record Dates
Last Update Posted: July 17, 2019
Last Verified: July 2019
Keywords provided by Memorial Sloan Kettering Cancer Center:
Brain Irradiation
Additional relevant MeSH terms:
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Breast Neoplasms
Neoplasms by Site
Breast Diseases
Skin Diseases
Antineoplastic Agents, Immunological
Antineoplastic Agents