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About
This phase I trial is studying the side effects and best dose of iodine I 131 when given together with pazopanib hydrochloride in treating patients with recurrent and/or metastatic thyroid cancer previously treated with iodine I 131 that cannot be removed by surgery. Radioactive drugs, such as iodine I 131, may carry radiation directly to cancer cells and not harm normal cells. Pazopanib hydrochloride may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Giving iodine I 131 together with pazopanib hydrochloride may be an effective treatment for thyroid cancer.
Full description
PRIMARY OBJECTIVES:
I. To determine the safety, tolerability and feasibility of administrating escalating doses of 131I (iodine I 131) in combination with concurrent pazopanib (pazopanib hydrochloride) therapy in order to define the maximum tolerated dose (MTD)/recommended phase II dose (RP2D) in patients with radioiodine (RAI)-refractory disease with minor RAI-uptake.
SECONDARY OBJECTIVES:
I. To determine the effects of pazopanib in combination with 131I on RAI-avidity, uptake and tumor response rate (Response Evaluation Criteria In Solid Tumors [RECIST] version 1.1).
II. To determine the time to tumor progression (TTP) or recurrence (progression will be determined by RECIST criteria and by increases in suppressed thyroglobulin levels > 50% as compared to tumor imaging and suppressed thyroglobulin levels performed within 1 week of the last dose of pazopanib).
OUTLINE: This is a dose-escalation study of iodine I 131.
Patients receive iodine I 131 intramuscularly (IM) once daily (QD) 5 days a week in weeks 5-6. Patients also receive pazopanib hydrochloride orally (PO) QD beginning in week 1 and continuing for 8 weeks post-radioactive iodine therapy.
After completion of study treatment, patients are followed up at 28 days.
Enrollment
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Inclusion criteria
Subjects must provide written informed consent prior to performance of study-specific procedures or assessments, and must be willing to comply with treatment and follow up; procedures conducted as part of the subject's routine clinical management (e.g., blood count, imaging study) and obtained prior to signing of informed consent may be utilized for screening or baseline purposes provided these procedures are conducted as specified in the protocol
Histologically confirmed diagnosis of well-differentiated thyroid carcinoma (WDTC), including papillary and follicular subtypes, and documented recurrent and/or metastatic disease; patients must have unresectable disease: patients must not be amenable to surgery but prior thyroidectomy is allowed
Patient must have demonstrated evidence of disease progression by RECIST criteria using site assessment of computed tomography (CT)/magnetic resonance imaging (MRI) scans within 12 months (+1 month to allow for variances in patient scanning intervals) prior to study entry or by > 50% increase in suppressed thyroglobulin levels during this time period
Patients with WDTC must be relatively 131I refractory/resistant as defined by at least one of the following:
Eastern Cooperative Oncology Group (ECOG) performance status of 0-2
Absolute neutrophil count (ANC) >= 1.5 X 10^9/L
Hemoglobin >= 9 g/dL (5.6 mmol/L)
Platelets >= 90 X 10^9/L
International normalized ratio (INR) =< 1.2 X upper limit of normal (ULN); subjects receiving anticoagulant therapy are eligible if their INR is stable and within the recommended range for the desired level of anticoagulation
Activated partial thromboplastin time (aPTT) =<1.2 X ULN
Total bilirubin =< 1.5 X ULN
Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) =< 2.5 X ULN, and < 5 X ULN in the presence of liver metastases; concomitant elevations in bilirubin and AST/ALT above 1.5 x ULN are not permitted
Serum creatinine =< 2.0 mg/dL or, if serum creatinine > 2.0 mg/dL, calculate creatinine clearance (CLCR) >= 30 mL/min
Urine protein to creatinine ratio (UPC) < 1 or, 24-hour urine protein < 1 g; if UPC >= 1, then a 24-hour urine protein must be assessed; subjects must have a 24-hour urine protein value < 1 g to be eligible; use of urine dipstick for renal function assessment is not acceptable
Non-childbearing potential (i.e., physiologically incapable of becoming pregnant), including any female who has had:
Childbearing potential, including any female who has had a negative serum pregnancy test within 2 weeks prior to the first dose of study treatment, preferably as close to the first dose as possible, and agrees to use adequate contraception for at least 2 weeks following the last dose of the investigational product
GlaxoSmithKline (GSK) acceptable contraceptive methods, when used consistently and in accordance with both the product label and the instructions of the physician, are as follow:
Female subjects who are lactating should discontinue nursing prior to the first dose of study drug and should refrain from nursing throughout the treatment period and for 14 days following the last dose of study drug
Exclusion criteria
Patients with medullary thyroid cancer, thyroid lymphoma or anaplastic thyroid cancer are excluded
Resolution of all acute toxic effects of prior systemic therapy (including iodine therapy or systemic therapy), radiotherapy or surgical procedure to National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 4.0 grade =< 1
Patients with cumulative iodine I 131 exposure in excess of 1000 mCi
Second primary malignancy that is of clinical significance, clinical detectable and/or progressing at the time of consideration for study enrollment
History or clinical evidence of central nervous system (CNS) metastases or leptomeningeal carcinomatosis, except for individuals who have previously-treated CNS metastases, are asymptomatic, and have had no requirement for steroids for 28 days prior to first dose of study drug; screening with CNS imaging studies (CT or MRI) is required only if clinically indicated or if the subject has a history of CNS metastases; clinically significant gastrointestinal abnormalities that may increase the risk for gastrointestinal bleeding including, but not limited to:
Clinically significant gastrointestinal abnormalities that may affect absorption of investigational product including, but not limited to:
Presence of uncontrolled infection
Corrected QT interval (QTc) > 480 msecs using Bazett's formula
History of any one or more of the following cardiovascular conditions within the past 6 months:
Poorly controlled hypertension [defined as systolic blood pressure (SBP) of >= 140 mmHg or diastolic blood pressure (DBP) of >= 90mmHg]
History of cerebrovascular accident including transient ischemic attack (TIA), pulmonary embolism or untreated deep venous thrombosis (DVT) within the past 6 months; subjects with recent DVT who have been treated with therapeutic anti-coagulating agents for at least 6 weeks are eligible
Prior major surgery or trauma within 28 days prior to first dose of study drug and/or presence of any non-healing wound, fracture, or ulcer (procedures such as catheter placement not considered to be major)
Evidence of active bleeding or bleeding diathesis
Known endobronchial lesions and/or lesions infiltrating major pulmonary vessels that increase the risk of pulmonary hemorrhage; Note: lesions infiltrating major pulmonary vessels (contiguous tumor and vessels) are excluded; however, the presence of a tumor that is touching, but not infiltrating (abutting) the vessels is acceptable (CT with contrast is strongly recommended to evaluate such lesions)
Recent Hemoptysis in excess of 15 ml of bright red blood in the 8 weeks prior to study entry
Any serious and/or unstable pre-existing medical, psychiatric, or other condition that could interfere with subject's safety, provision of informed consent, or compliance to study procedures
Unable or unwilling to discontinue use of prohibited medications for at least 14 days or five half-lives of a drug (whichever is longer) prior to the first dose of study drug and for the duration of the study
Treatment with any of the following anti-cancer therapies:
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6 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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