A Study of Fruquintinib in Combination With Tislelizumab in Advanced Triple Negative Breast Cancer

  • days left to enroll
  • participants needed
  • sponsor
    Hutchison Medipharma Limited
Updated on 20 July 2021
measurable disease
triple negative breast cancer
chromogenic in situ hybridization


This is an open-label, multi-center, non-randomized, Phase 1b/2 study to assess the safety and efficacy of fruquintinib in combination with tislelizumab in patients with advanced, refractory TNBC. This study will be conducted in 2 parts; a safety lead-in phase (Part 1) and a dose expansion phase (Part 2). The safety lead-in phase will determine the RP2D. The RP2D will be administered to 2 cohorts of patients in the expansion phase.

  • Cohort A: TNBC (IO-treated)
  • Cohort B: TNBC (IO-Nave)

Condition Breast Cancer, Triple Negative Breast Cancer
Treatment Fruquintinib, tislelizumab
Clinical Study IdentifierNCT04577963
SponsorHutchison Medipharma Limited
Last Modified on20 July 2021


Yes No Not Sure

Inclusion Criteria

Willing and able to provide informed consent signed by study patient or legally acceptable representative, as specified by health authorities and institutional guidelines
Age 18 years
Have histologically- or cytologically-confirmed advanced or metastatic triple negative breast cancer with ER-negative, PR-negative tumors as defined by local criteria (Her2-negative defined as immunohistochemistry (IHC) 0, 1+, or 2+. If IHC 2+, a negative in situ hybridization (FISH, CISH, or SISH) test is required by local laboratory testing)
Must have progressed on at least 1 cytotoxic therapy in the metastatic setting, with the exception of patients who progressed within 12 months of adjuvant therapy. However, patients may not have received more than 3 prior lines of cytotoxic chemotherapy in the metastatic setting
Patients in Cohort A must have received prior therapy with an immune checkpoint inhibitor
Patients in Cohort B must not have received prior therapy with an immune checkpoint inhibitor
Tumor tissue (fresh or archival tumor tissues as formalin-fixed paraffin-embedded blocks or approximately 15 unstained slides) for retrospective analysis of PD-L1 expression level and other exploratory biomarkers related to response and resistance. Submission of < 15 unstained slides is permitted, and patients may be enrolled after confirmation with the sponsor
Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
Expected survival of 12 weeks
Have measurable disease as defined by RECIST v1.1. Tumors that were treated with radiotherapy are not considered measurable per RECIST v1.1 unless there has been documented progression of those lesions
Adequate organ function indicated by the following laboratory values
Absolute neutrophil count (ANC) of 1.5 109/L
Platelet count of 75 109/L
Hemoglobin 8 g/dL
Serum total bilirubin 1.5 ULN (total bilirubin must be < 3 ULN for patients with Gilbert's syndrome)
For patients without liver metastases, must have alanine aminotransferase (ALT) and aspartate aminotransferase (AST) 2.5 ULN; patients with liver metastases, must have ALT and AST 5 ULN
Urine protein < 2+ by dipstick or 24-hour urine protein < 1g. Patients with > 1+ proteinuria on urinalysis must undergo 24-hour urine collection
Serum creatinine <1.5 ULN or creatinine clearance 60 mL/min per Cockcroft Gault
International normalized ratio (INR) and activated prothrombin time (aPTT) 1.5 ULN unless the patient is receiving anticoagulation therapy and INR and aPTT values are within the intended therapeutic range
For female patients of childbearing potential and male patients with partners of childbearing potential, agreement to use a highly effective form(s) of contraception, that results in a low failure rate (<1% per year) when used consistently and correctly, starting during the screening period, continuing throughout the entire study period, and for 120 days after taking the last dose of study drug. Such methods include: oral hormonal contraception (combined estrogen/ progestogen, or progestogen-only) associated with inhibition of ovulation together with a barrier method (eg, diaphragm, always containing a spermicide), intrauterine device (IUD), intrauterine hormone-releasing system (IUS), bilateral tubal ligation, vasectomized partner, or sexual abstinence. Oral contraception should always be combined with an additional contraceptive method (ie, barrier method) because of a potential interaction with the study drug. The same criteria are applicable to male patients involved in this clinical trial if they have a partner of childbearing potential, and male patients must always use a condom. All female patients will be considered to have childbearing potential unless the said female patient has had natural menopause, induced artificial menopause or has undergone sterilization (hysterectomy and bilateral salpingo-oophorectomy)

Exclusion Criteria

Adverse events due to previous anti-tumor therapy that have not recovered to CTCAE Grade 1, except alopecia and peripheral neurotoxicity with CTCAE Grade 2
Other malignancy except for non-melanoma skin cancer, in situ cervical ca or bladder ca (Tis and T1) that have been adequately treated during the 5 years prior to screening
Brain metastases and/or spinal cord compression untreated with surgery and/or radiotherapy, and without clinical imaging evidence of stable disease for 14 days or longer; patients requiring steroids within 4 weeks prior to start of study treatment are excluded
Systemic anti-neoplastic therapies or any investigational therapy within 4 weeks prior to the first dose of study drug, including chemotherapy, radical radiotherapy, hormonotherapy, biotherapy and immunotherapy
Systemic small molecule targeted therapies (eg, tyrosine kinase inhibitors) within 5 half-lives or 4 weeks (whichever is shorter) prior to the first dose of study drug
Palliative radiotherapy for bone metastasis/lesion within 2 weeks prior to the initiation of study drug
Brachytherapy (ie, implantation of radioactive seeds) within 60 days prior to the first dose of study drug
Mean corrected QT interval (QTcF) 480 milliseconds
EXCEPT for Cohort B, patients who have previously received any anti-PD-1 antibody, anti-PD-L1 antibody, anti-PD-L2 antibody, anti-cytotoxic T lymphocyte-associated antigen-4 (CTLA-4) antibody (or any other antibody acting on T cell co-stimulation or checkpoint pathways
Any condition that requires systemic treatment with either corticosteroids (> 10 mg daily of prednisone or equivalent) or other immunosuppressive medication 14 days before the first dose of study drug(s), with the following exceptions
Adrenal replacement (dose 10 mg daily of prednisone or equivalent)
Topical, ocular, intra-articular, intranasal, or inhalational corticosteroid with minimal systemic absorption
Short course ( 7 days) of corticosteroid prescribed prophylactically (eg, for contrast dye allergy) or for the treatment of a non-autoimmune condition (eg, delayed-type hypersensitivity reaction caused by contact allergen)
Active autoimmune diseases or history of autoimmune diseases that may relapse, with the following exceptions
Controlled Type 1 diabetes
Hypothyroidism (provided it is managed with hormone-replacement therapy only)
Controlled celiac disease
Skin diseases not requiring systemic treatment (eg, vitiligo, psoriasis, or alopecia)
Any other disease that is not expected to recur in the absence of external triggering factors
Live vaccine 28 days before the first dose of study drug(s)
Seasonal vaccines for influenza are generally inactivated vaccines and are allowed. Intranasal vaccines are live vaccines and are not allowed
Active infection requiring systemic antibacterial, antifungal, or antiviral therapy (not including antiviral therapy for hepatitis) for 14 days prior to the first dose of study drug(s) or a positive test for SARS-CoV-2 in the absence or presence of symptoms
Active tuberculosis that is being treated with anti-tuberculosis therapy or that have received treatment with anti-tuberculosis therapy within one year before the first drug administration
History or presence of interstitial lung disease, noninfectious pneumonitis, or uncontrolled lung diseases including but not limited to pulmonary fibrosis, acute lung diseases, interstitial pneumonia, pneumoconiosis, radiation pneumonitis, drug-related pneumonia, severely impaired lung function, and other patients with conditions that may interfere with the detection and treatment of suspected drug-related pulmonary toxicity; radiation pneumonitis in the radiation therapy area is allowed
Known history of active viral hepatitis. For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated. Patients with hepatitis C virus (HCV) infection who are currently on treatment are eligible if they have an undetectable HCV viral load. Patients with an unknown history of viral hepatitis must be screened for HBV with hepatitis B surface antigen (HBsAg) and HBV DNA, if indicated, and for HCV with HCV
Patients with detectable HBsAg or detectable HBV DNA should be managed per treatment guidelines. Patients receiving antivirals at screening should have been treated for > 2 weeks before the first dose of study drug
Patients with a negative HCV antibody test at screening or positive HCV antibody test followed by a negative HCV RNA test at screening are eligible. The HCV RNA test will be performed only for patients testing positive for HCV antibody
Known history of HIV infection
Major surgery within 60 days before the first drug administration. Patients must have recovered adequately from the toxicity and/or complications from the intervention prior to the first dose of study drug(s)
Patients who had any surgical or invasive therapy (except for puncture biopsy, venous catheterization) within four weeks before the first drug administration; or have unhealed wounds, ulcers or fractures
Prior allogeneic stem cell transplantation or organ transplantation
Any of the following cardiovascular risk factors
Cardiac chest pain, defined as moderate pain that limits instrumental activities of daily living, 28 days before the first dose of study drug(s)
Pulmonary embolism or venous thromboembolis 6 months before the first dose of study drug(s)
Acute myocardial infarction 6 months before the first dose of study drug(s)
Heart failure meeting New York Heart Association Classification III or IV 6 months before the first dose of study drug(s). Left ventricular ejection fraction (LVEF) < 50%
Ventricular arrhythmia Grade 2 in severity 6 months before the first dose of study drug(s)
Cerebrovascular accident 12 months before the first dose of study drug(s)
Uncontrolled hypertension that cannot be managed by standard antihypertension medications, which is specified as: systolic pressure 140 mmHg and/or diastolic pressure 90 mmHg 28 days before the first dose of study drug(s)
Syncope or seizure 28 days before the first dose of study drug(s)
Inability to swallow capsules or disease significantly affecting gastrointestinal function such as malabsorption syndrome, resection of the complete small bowel, symptomatic inflammatory bowel disease, or partial or complete bowel obstruction
Received strong inducers or inhibitors of Cytochrome P450, family 3, subfamily A (CYP3A) taken within two weeks (or 5 times the half-life of the drug, whichever is longer) prior to the first study treatment
Active gastrointestinal and duodenal ulcers, ulcerative colitis, and other gastrointestinal disease or unresectable tumors with active bleeding, or other conditions that the investigator determines to possibly cause gastrointestinal bleeding, perforation and other conditions; or prior gastrointestinal perforation or gastrointestinal fistula that has not recovered after surgical treatment
History or presence of hemorrhage from any site (such as melena, hematemesis, hemoptysis, fresh in stool, etc.) within two months before the screening
History of arterial thrombus or deep vein thrombosis within six months prior to the first drug administration; patients with implanted intravenous infusion pump or catheter related thrombosis or superficial vein thrombosis, except for patients with stable thrombus after routine anticoagulant therapy
Stroke event and/or transient ischemic attack within 12 months
Women who are pregnant or lactating
Known allergy to any of the components of tislelizumab or fruquintinib preparations including tartrazine (E102) and sunset yellow (E110), or have any previous history of severe allergy to monoclonal antibodies
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