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About
This phase II trial is studying how well dasatinib works in treating patients with malignant salivary gland tumors that have come back after treatment or have spread to other parts of the body. Dasatinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth.
Full description
PRIMARY OBJECTIVES:
I. Determine the objective response rate (complete response plus partial response) of dasatinib in adenoid cystic carcinoma (ACC).
II. Determine the progression-free survival of dasatinib in ACC.
SECONDARY OBJECTIVES:
I. Determine the duration of response. II. Determine the stable disease rate and duration of stable disease. III. Determine progression-free survival. IV. Determine the median survival. V. Determine the overall survival. VI. Determine the safety and tolerability.
TERTIARY OBJECTIVES:
I. To examine biomarkers that relate to SRC proto-oncogene, non-receptor tyrosine kinase (Src) signal transduction and to correlate these biomarkers with clinical response to dasatinib in ACC and non-ACC malignant salivary gland tumors (MSGT).
II. Determine if activating mutations in platelet-derived growth factor alpha polypeptide (PDGFA) and KIT are associated with response in ACC.
OUTLINE:
Patients receive dasatinib orally (PO) twice daily (BID) on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
After completion of study therapy, patients are followed at 8 weeks.
Enrollment
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Volunteers
Inclusion criteria
Histologically or cytologically confirmed malignant salivary gland tumor (MSGT), including one of the following histologic subtypes:
Adenoid cystic carcinoma (ACC) with c v-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene homolog (Kit) overexpression or non-ACC MSGT that is not amenable to potentially curable surgery or radiation
Patients must have radiographically measurable disease; radiographically measurable disease is defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded) as >= 20 mm with conventional techniques or as >= 10 mm with spiral computed tomography (CT) scan
Patients must have evidence of disease progression (objective growth of existing tumors) within 4 months of study entry
No known brain metastases, unless patient meets both of the following criteria:
Life expectancy greater than 12 weeks
Eastern Cooperative Oncology Group (ECOG) performance status 0-2 OR Karnofsky performance status (PS) >= 60%
Leukocytes >= 3,000/mcL
Absolute neutrophil count (ANC) >= 1,500/mcL
Platelet >= 100,000/mcL
Hemoglobin >= 9 g/dL
Serum calcium =< 12.0 mg/dL
Total serum bilirubin within normal institutional limits
Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) =< 2.5 x institutional upper limit of normal
Creatinine within normal institutional limits OR creatinine clearance >= 60 mL/min/1.73 m^2 for patients with creatinine levels above institutional normal
Women of childbearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation; all women of childbearing potential must have a negative pregnancy test prior to receiving dasatinib; should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately
Ability to understand and the willingness to sign a written informed consent document
Exclusion criteria
Patients who have had chemotherapy or radiotherapy within 4 weeks (6 weeks for nitrosoureas or mitomycin C) prior to entering the study or those who have not recovered from adverse events due to agents administered more than 4 weeks earlier; at least 4 weeks must have elapsed since any major surgery
Patients may not be receiving any other investigational agents
No prior treatment with any other targeted agents that inhibit vascular endothelial growth factor receptor (VEGFR), Breakpoint cluster region (BCR) ABL proto-oncogene 1, non-receptor tyrosine kinase (ABL), c-Src, c-KIT, platelet-derived growth factor (PDGF) beta receptor, or ephrin type-A receptor 2 (EPHA2) (e.g., imatinib mesylate)
History of allergic reactions attributed to compounds of similar chemical or biologic composition to dasatinib
Patients with corrected QT interval (QTc) prolongation (defined as a QTc interval equal to or greater than 500 msec), serious ventricular arrhythmia (ventricular fibrillation or ventricular tachycardia greater than or equal to 3 beats in a row) or other significant echocardiogram (ECG) abnormalities are excluded
Patients with any condition (e.g., gastrointestinal tract disease resulting in an inability to take oral medication, requirement for intravenous [IV] alimentation, or active peptic ulcer disease) that impairs their ability to swallow and retain dasatinib tablets are excluded
Patients with any of the following conditions are excluded:
Patients taking medications that are potent inducers or inhibitors of cytochrome P450 family 3, subfamily A, polypeptide 4 (CYP3A4) liver enzyme will be determined following a review of their case by the Principal Investigator; every effort should be made to switch patients taking such agents or substances to other medications
Patients with known brain metastases should be excluded; patients with brain metastases with stable neurologic status following local therapy (surgery or radiation) for at least 8 weeks from definitive therapy and without neurologic dysfunction that would confound the evaluation of neurologic and other adverse events are eligible for participation; patients cannot be receiving enzyme inducing anti-convulsants including carbamazepine, phenobarbital, and phenytoin
Patients with uncontrolled intercurrent illness including, but not limited to, ongoing or active infections or psychiatric illness/social situations that would limit compliance with study requirements are ineligible
Pregnant women are excluded from this study; breastfeeding should be discontinued if the mother is treated with dasatinib
Human immunodeficiency virus (HIV)-positive patients on combination antiretroviral therapy are ineligible
Patients who have an active pleural or pericardial effusion of any grade
Diagnosis of any second malignancy within the last 5 years; basal cell carcinoma, squamous cell skin cancer, stage I carcinoma fully treated, or in situ carcinoma that have been adequately treated with no evidence of recurrent disease for 12 months will be eligible
Primary purpose
Allocation
Interventional model
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55 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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