Status and phase
Conditions
Treatments
About
The study consists of 2 parts: a retrospective study, and a prospective clinical study with pembrolizumab (Keytruda®) (Phase 0).
Retrospective study (S58910):
This is a retrospective analysis to study the expression of PD-L1 in ER/PR negative breast tumors and to correlate this PD-L1 expression with tumor infiltrating lymphocytes (TILs), proliferation, expression of apoptosis and clinical outcome (development of distant metastases).
Phase 0 study:
This is a Phase 0 single center, open-label, non-randomized, study in patients with early breast cancer. Patients will be treated with one injection of Pembrolizumab (Keytruda®) administered intravenously at 200 mg 10 +/- 4 days before surgery. This phase 0 study will consist of 2 cohorts; cohort A will include patients who are scheduled for upfront surgery. Cohort A1 will include patients with Her2 negative tumors, Cohort A2 patients with Her2 positive tumors and Cohort A3 with ER positive tumours. Cohort B will include patients who received neoadjuvant chemotherapy (with anti-Her2 therapy if Her2 positive) and who have clear signs of residual tumor on imaging after finishing neoadjuvant chemotherapy (i.e. on imaging estimated residual tumor size of at least 10 mm). Cohort B1 will include Her2 negative tumors, Cohort B2 Her2 positive tumors and Cohort B3 ER positive tumors. The injection will be given in the oncological outpatient unit. Patients will be monitored carefully for the development of adverse experiences/events. Adverse experiences/events will be evaluated according to criteria outlined in the NCI Common Terminology Criteria for Adverse Events (CTCAE), version 4.0.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Be willing and able to provide written informed consent/assent for the trial.
Be 18 years of age on day of signing informed consent.
Be willing to provide tissue from a newly obtained core or excisional biopsy of a tumor lesion if needed. Newly obtained is defined as a specimen obtained up to 6 weeks (42 days) prior to initiation of treatment on Day 0. Subjects for whom newly obtained samples cannot be provided (e.g. inaccessible or subject safety concern) may submit an archived specimen only upon agreement from the Sponsor.
Have a performance status of 0 or 1 on the ECOG Performance Scale.
Have non-metastatic operable newly diagnosed primary invasive carcinoma of the breast that is:
Have evaluable core biopsy for IHC
Be willing to provide plasma/blood samples
After neo-adjuvant chemotherapy (cohort B1 and B2) patients must have residual tumor >1cm and must be willing to provide evaluable new tumor biopsy for IHC
Demonstrate adequate organ function, all screening labs should be performed within 14 days of treatment initiation.
Female subject of childbearing potential should have a negative urine or serum pregnancy test within 72 hours prior to receiving the study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required.
Female subjects of childbearing potential (Section 5.7.2) must be willing to use an adequate method of contraception as outlined in Section 5.7.2 - Contraception, for the course of the study through 120 days after receiving the study medication.
Note: Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject.
Male subjects of childbearing potential (Section 5.7.1) must agree to use an adequate method of contraception as outlined in Section 5.7.1- Contraception, until 120 after receiving the study therapy.
Note: Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject.
Exclusion criteria
Is currently participating and receiving study therapy or has participated in a study of an investigational agent and received study therapy or used an investigational device within 4 weeks of receiving the treatment dose.
Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to receiving the trial treatment.
Has a known history of active TB (Bacillus Tuberculosis)
Hypersensitivity to pembrolizumab or any of its excipients.
Has had a prior anti-cancer monoclonal antibody (mAb) within 4 weeks prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to agents administered more than 4 weeks earlier.
Has had prior chemotherapy, targeted small molecule therapy, or radiation therapy within 2 weeks prior to study Day 0 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to a previously administered agent.
Has a known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin that has undergone potentially curative therapy or in situ cervical cancer.
Has active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (eg., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
Has known history of (non-infectious) pneumonitis that required steroids or current pneumonitis.
Has an active infection requiring systemic therapy.
Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator.
Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120 days after the last dose of trial treatment.
Has received prior therapy with an anti-PD-1, anti-PD-L1, anti-PD-L2 agent or co-inhibitory T-cell receptor therapy (e.g. OX40-CD137, CTLA-4)
Has a known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies).
Has known active Hepatitis B (e.g., HBsAg reactive) or Hepatitis C (e.g., HCV RNA [qualitative] is detected).
Has received a live vaccine within 30 days of planned start of study therapy. Note: Seasonal influenza vaccines for injection are generally inactivated flu vaccines and are allowed; however intranasal influenza vaccines (e.g., Flu-Mist®) are live attenuated vaccines, and are not allowed.
Primary purpose
Allocation
Interventional model
Masking
54 participants in 6 patient groups
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Data sourced from clinicaltrials.gov
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