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Ph II Study of Pembrolizumab & Eribulin in Patients With HR+/HER2- MBC Previously Treated With Anthracyclines & Taxanes
Bu çalışma, daha önce antrasiklin ve taksan içeren tedaviler almış, hormon reseptörü pozitif ve HER2-negatif metastatik meme kanseri (breast cancer) olan kadınlarda Pembrolizumab ve Eribulin adlı ilaçların birlikte kullanımını incelemiştir. Çalışmaya 18 yaş ve üzeri, ölçülebilir hastalığı olan kadın hastalar alınmıştır. Faz 2 aşamasında yürütülmüş ve tamamlanmıştır.
Yukarıdaki özet, resmî kaydın sade dile aktarılmış halidir. Orijinal İngilizce başlık referans için gösterilir.
Kriterler ClinicalTrials.gov kaydından orijinal İngilizce haliyle alınmıştır. Uygunluk kararını yalnızca deneyi yürüten ekip verebilir.
Inclusion Criteria:
1. Written informed consent prior to beginning specific protocol procedures.
2. Female patients ≥18 years of age.
3. Eastern Cooperative Oncology Group (ECOG) performance status must be 0 or 1 which the Investigator believes is stable at the time of screening.
4. Life expectancy ≥ 12 weeks.
5. Patients have a histologically and/or cytologically confirmed diagnosis of breast cancer.
6. Patients have radiologic evidence of inoperable locally recurrent or MBC.
7. Patients have HER2-negative breast cancer (based on most recently analyzed biopsy) defined as a negative in situ hybridization (ISH) test or an immunohistochemistry (IHC) status of 0, 1+, or 2+ (if IHC 2+, a negative ISH test is required) by local laboratory testing.
8. Patients have HR-positive breast cancer defined as estrogen receptor (ER) and/or progesterone receptor (PR) with \>1% of tumor cells positive for ER and/or PR by IHC irrespective of staining intensity.
9. Available tumor tissue for PD-L1 biomarker analysis from a newly obtained core or excisional biopsy since last progression of a metastatic tumor lesion not previously irradiated.
Note: Subjects for whom tumor biopsies cannot be obtained (e.g., inaccessible tumor or subject safety concern) may submit an archived metastatic tumor specimen only upon agreement from the Sponsor.
10. Patients have measurable disease based on Response Evaluation Criteria in Solid Tumors (RECIST) criteria version 1.1 as assessed by site Investigator and local radiology review.
11. Patients have received at least one, but not more than two, prior chemotherapeutic regimens for locally recurrent and/or metastatic disease. Prior therapy must have included an anthracycline and a taxane in any combination or order and either in the early or metastatic disease setting unless contraindicated for a given patient. Prior anti-hormonal therapy is mandatory.
12. Patients have adequate bone marrow and organ function as defined by the following laboratory values:
* Absolute neutrophil count (ANC) ≥ 1.5 x 10\^9/L.
* Platelets ≥ 100 x 10\^9/L.
* Hemoglobin ≥ 9 g/dL.
* Potassium, calcium (corrected for serum albumin), and magnesium within normal limits for the institution.
* Serum creatinine ≤ 1.5 x upper limit of normal (ULN).
* Alanine aminotransferase (AST) and aspartate aminotransferase (ALT) ≤ 2.5 x ULN (or ≤ 5.0 x ULN if liver metastases are present).
* Total serum bilirubin within normal range (or ≤ 1.5 x ULN if liver metastases are present). Patients with known Gilbert disease who have serum bilirubin ≤ 3 x ULN may be enrolled.
13. Patients must be accessible for treatment and follow-up.
Exclusion Criteria:
1. Patients have received previous treatment with eribulin and an/or anti-PD1 or anti-PD-L1 agents.
2. Patients have a known hypersensitivity to any of the excipients of MK3475 (pembrolizumab) or eribulin.
3. Patients who have received chemotherapy, targeted small molecule therapy, or radiotherapy within two weeks of first dose of study treatment.
4. Patients who have received monoclonal antibodies for direct antineoplastic treatment or an investigational agent/device within four weeks of first dose of study treatment.
5. Patients have known active central nervous system (CNS) metastases and/or carcinomatous meningitis.
Note: Known brain metastases are considered active, if any of the following criteria is applicable:
1. Brain imaging during screening demonstrates progression of existing metastases and/or appearance of new lesions compared to brain imaging performed at least four weeks earlier.
2. Neurological symptoms attributed to brain metastases have not returned to baseline.
3. Steroids were used for brain metastases within 28 days of first dose of study treatment.
6. Patients have peripheral neuropathy grade 2 or more.
7. Patients have a concurrent malignancy or malignancy within five years of study enrollment (with the exception of adequately treated, basal or squamous cell skin carcinoma or curatively resected cervical cancer).
8. Patients have not recovered to grade 1 or better (except alopecia) from related side effects of any prior antineoplastic therapy.
9. Patients have had a major surgical procedure within 28 days prior to starting study drug.
10. Patients have an active cardiac disease or a history of cardiac dysfunction including any of the following:
* Unstable angina pectoris or documented myocardial infarction within six months prior to study entry.
* Symptomatic pericarditis.
* History of documented congestive heart failure (New York Heart Association functional classification III-IV).
* Patients have a left ventricular ejection fraction (LVEF) \< 50% as determined by multiple gated acquisition (MUGA) scan or echocardiogram (ECHO).
11. Patients have any of the following cardiac conduction abnormalities:
* Ventricular arrhythmias except for benign premature ventricular contractions.
* Supraventricular and nodal arrhythmias requiring a pacemaker or not controlled with medication.
* Conduction abnormality requiring a pacemaker.
* Other cardiac arrhythmia not controlled with medication.
12. Uncontrolled hyper/hypothyroidism or type 1 diabetes mellitus (T1DM). Patients with hypothyroidism stable on hormone replacement will not be excluded from the trial. Patients with controlled T1DM on a stable insulin regimen may be eligible for this study.
13. Active autoimmune disease or a documented history of autoimmune disease, or a syndrome that has required systemic treatment (steroids or immunosuppressive agents) in the past two years.
Note: Replacement therapy (e.g., thyroxine, insulin, or physiologic steroid replacement therapy (≤ 10 mg prednisone daily) for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
14. Prior allogenic stem cell or solid organ transplantation.
15. Active/history of pneumonitis requiring treatment with steroids or active/history of interstitial lung disease.
16. Active uncontrolled infection at the time of screening
17. Active tuberculosis.
18. Current known infection with HIV.
19. Active hepatitis B (HBV) \[patients with negative hepatitis B surface antigen (HBsAg) test and a positive antibody to HBsAg (anti-HBsAg) test at screening are eligible\] or hepatitis C (HCV) \[patients with a positive antibody to hepatitis C (anti-HCV) are eligible only if polymerase chain reaction (PCR) is negative for virus hepatitis C RNA\].
20. Patients have any other concurrent severe and/or uncontrolled medical condition that would, in the Investigator's judgment contraindicate patient participation in the clinical study.
21. Treatment with systemic steroids (standard premedication for chemotherapy/contrast reactions, inhaled steroids, and local applications are allowed) or another immunosuppressive agent within seven days prior to study treatment initiation.
22. Has received live vaccines within 30 days prior to first dose of study treatment.
23. Women of child-bearing potential, defined as all women physiologically capable of becoming pregnant, are not allowed to participate in this study unless they are using highly effective methods of contraception during dosing and up to 120 days after study drugs discontinuation.