M7824 in Treating Patients With Stage II-III HER2 Positive Breast Cancer

  • End date
    Dec 31, 2024
  • participants needed
  • sponsor
    M.D. Anderson Cancer Center
Updated on 12 February 2022
platelet count
tubal ligation
serum pregnancy test
gilbert's syndrome
serum bilirubin
neutrophil count
tumor cells
human epidermal growth factor
targeted therapy
her2/neu-positive breast cancer
human epidermal growth factor receptor 2
bintrafusp alfa
her2 positive breast cancer


This phase I trial studies how well anti-PD-L1/TGFbetaRII fusion protein M7824 (M7824) works in treating patients with stage II-III HER2 positive breast cancer. Immunotherapy with M7824 may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread.



I. To evaluate the change in tumor-infiltrating lymphocytes (TIL) percentage pre and post M7824 therapy.


I. To evaluate the safety and tolerability of M7824 in early stage breast cancer (stage II/III).

II. To evaluate pathological response at the time of surgery after 2 doses of M7824 followed by neoadjuvant (human epidermal growth factor receptor 2) HER2 targeted therapy in combination with chemotherapy of physician's choice.


I. To evaluate imaging based response to M7824. II. To evaluate potential systemic and tumor based predictive biomarker candidates of response.

III. To evaluate immune responses induced by exposure to M7824 systemically and in tumor microenvironment (TME).


Patients receive anti-PD-L1/TGFbetaRII fusion protein M7824 intravenously (IV) over 1 hour on days 1 and 15. During days 28-56 patients receive planned neoadjuvant chemotherapy.

Condition Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Prognostic Stage II Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8
Treatment Chemotherapy, Anti-PD-L1/TGFbetaRII Fusion Protein M7824, M7824 - patients with Stage II or III HER2+ breast cancer, Bintrafusp Alfa
Clinical Study IdentifierNCT03620201
SponsorM.D. Anderson Cancer Center
Last Modified on12 February 2022


Yes No Not Sure

Inclusion Criteria

Written informed consent and any locally-required authorization (e.g., Health Insurance Portability and Accountability Act [HIPAA]) obtained from the subject prior to performing any protocol-related procedures, including screening evaluations
Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
Tumor size >= 2 cm and with no known distant metastatic disease
HER2+, breast cancer as defined by American Society of Clinical Oncology (ASCO)-College of American Pathologists (CAP) guidelines: HER2/neu is defined as positive: immunohistochemistry (IHC) 3+ based on circumferential membrane staining that is complete, intense in situ hybridization (ISH) positive based on: single-probe average HER2 copy number >= 6.0 signals/cell. Dual-probe HER2/CEP17 ratio >= 2.0; with an average HER2 copy number >= 4.0 signals/cell, dual-probe HER2/CEP17 ratio >= 2.0; with an average HER2, copy number < 4.0 signals/cell, dual-probe HER2/CEP17 ratio < 2.0; with an average HER2, copy number >= 6.0 signals/cell, neoadjuvant systemic therapy is planned and will include HER2 targeted therapy in combination with chemotherapy of physician's choice
Hemoglobin >= 9 g/dL
Absolute neutrophil count (ANC) >= 1.5 x 10^9/L (>= 1500 per mm^3)
Platelet count >= 100 x 10^9/L (>= 100,000 per mm^3)
Serum bilirubin =< 1.5 x institutional upper limit of normal (ULN). This will not apply to subjects with confirmed Gilbert's syndrome (persistent or recurrent hyperbilirubinemia that is predominantly unconjugated in the absence of hemolysis or hepatic pathology), who will be allowed only upon treating physician, principal investigator (PI) or co-PI approval
Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) =< 2.5 x institutional upper limit of normal
Serum creatinine clearance >= 60 mL/min by the Cockcroft-Gault formula or by 24-hour urine collection for determination of creatinine clearance
Female subjects must either be of non-reproductive potential (ie, post-menopausal by history: >= 60 years old and no menses for >= 1 year without an alternative medical cause; OR history of hysterectomy, OR history of bilateral tubal ligation, OR history of bilateral oophorectomy) or must have a negative serum pregnancy test upon study entry and be using highly effective contraception (that is, methods with a failure rate of less than 1% per year) for both male and female subjects if the risk of conception exists (Note: The effects of the trial treatment on the developing human fetus are unknown; thus, women of childbearing potential and men must agree to use highly effective contraception). Male subjects on study must also use highly effective contraception. Highly effective contraception must be used 30 days prior to first trial treatment administration, for the duration of trial treatment, and at least for 4 months after stopping trial treatment. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this trial, the treating physician should be informed immediately
Subject is willing and able to comply with the protocol for the duration of the study including undergoing treatment and scheduled visits and examinations including follow up

Exclusion Criteria

Involvement in the planning and/or conduct of the study (applies to both EMD Serono staff and/or staff at the study site)
Participation in another clinical study with an investigational product during the last 1 month prior to initiation of therapy
Any previous treatment with a PD-1 or PD-L1 inhibitor or CTLA-4 inhibitor
History of another primary malignancy except for
Malignancy treated with curative intent and with no known active disease >= 1 year before the first dose of study drug 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 eg, cervical cancer in situ
Has received therapy for this current diagnosis of breast cancer including endocrine therapy or chemotherapy
Mean QT interval corrected for heart rate (QTc) >= 470 ms
Current or prior use of immunosuppressive medication within 28 days before the first dose of M7824, with the exceptions of intranasal and inhaled corticosteroids or systemic corticosteroids at physiological doses, which are not to exceed 10 mg/day of prednisone, or an equivalent corticosteroid
Active or prior documented autoimmune disease within the past 2 years NOTE: Subjects with vitiligo, Grave's disease, or psoriasis not requiring systemic treatment (within the past 2 years) are not excluded
Active or prior documented inflammatory bowel disease (e.g., Crohn's disease, ulcerative colitis)
History of primary immunodeficiency
History of organ transplants that require immunosuppression
History of hypersensitivity to M7824 or any excipient of M7824
Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, uncontrolled hypertension, unstable angina pectoris, cardiac arrhythmia, active peptic ulcer disease or gastritis, active bleeding diatheses, known history of human immunodeficiency virus (HIV) and/or viral hepatitis, or psychiatric illness/social situations that would limit compliance with study requirements or compromise the ability of the subject to give written informed consent
Active tuberculosis
Receipt of live attenuated vaccination within 30 days prior to study entry or within 30 days of receiving M7824
Female subjects who are pregnant, breast-feeding or male or female patients of reproductive potential who are not employing an effective method of birth control
Subjects with uncontrolled seizures
Concurrent treatment with non-permitted drugs and other interventions
Any major surgery for any reason, except diagnostic biopsy, within 4 weeks of the enrollment
Inflammatory breast cancer
History of conditions associated with bleeding diatheses
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