The purpose of this research study is to see what effect the combination of lenvatinib plus everolimus has in local and metastatic renal cell carcinoma to potentially make surgically unresectable tumors resectable.
This is a pilot interventional clinical trial at the University of Iowa Hospitals and Clinics, enrolling 15 subjects and lasting approximately 12 months. Eligible patients will start treatment with lenvatinib 18 mg PO daily (administered as one 10 mg capsule and two 4 mg capsules) and everolimus 5 mg PO daily for 4 weeks, constituting one cycle. Two cycles of treatment (8 weeks) will be administered followed by a 1-week wash out period during which time patients will be evaluated by the urology oncology team and appropriate surgery will be planned. The wash out period is for drug to be eliminated prior to surgery, to avoid bleeding/wound healing effects. This includes partial nephrectomy or radical nephrectomy. Following surgery, patients with no evidence of disease will have active surveillance. Patients who continue to have disease following surgery will receive further systemic treatment for metastatic disease.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
11
Lenvatinib is a receptor tyrosine kinase (RTK) inhibitor that inhibits the kinase activities of vascular endothelial growth factor (VEGF) receptors VEGFR1 (FLT1), VEGFR2 (KDR), and VEGFR3 (FLT4). Lenvatinib also inhibits other RTKs that have been implicated in pathogenic angiogenesis, tumor growth, and cancer progression in addition to their normal cellular functions, including fibroblast growth factor (FGF) receptors FGFR1, 2, 3, and 4; the platelet derived growth factor receptor alpha (PDGFRα), KIT, and RET.
Everolimus is an inhibitor of mammalian target of rapamycin (mTOR), a serine-threonine kinase, downstream of the PI3K/AKT pathway. The mTOR pathway is dysregulated in several human cancers. Everolimus binds to an intracellular protein, FKBP-12, resulting in an inhibitory complex formation (mTORC1) and thus inhibition of mTOR kinase activity. Everolimus reduced the activity of S6 ribosomal protein kinase (S6K1) and eukaryotic elongation factor 4E-binding protein (4E-BP1), downstream effectors of mTOR, involved in protein synthesis. In addition, everolimus inhibited the expression of hypoxia-inducible factor (e.g., HIF-1) and reduced the expression of vascular endothelial growth factor (VEGF). Inhibition of mTOR by everolimus has been shown to reduce cell proliferation, angiogenesis, and glucose uptake in in vitro and/or in vivo studies.
University of Iowa Hospitals and Clinics
Iowa City, Iowa, United States
Surgical complications as assessed by Clavien-Dindo classification system
To determine whether there is increased surgical morbidity with lenvatinib and everolimus prior to nephrectomy as assessed by Clavien complications.
Time frame: Assessment will be completed at the first post-operative visit within 4-6 weeks after surgery.
Treatment related adverse events as assessed by CTCAE criteria, version 4.03
To assess whether patients will tolerate the combination of lenvatinib and everolimus prior to surgery with same rate of toxicities as seen in prior Phase II clinical trials.
Time frame: First treatment through 5 years after Cycle 1, Day 1 or death.
Changes in overall response rate as assessed by RECIST 1.1
Response and progression will be evaluated using RECIST 1.1. Changes in the largest diameter (unidimensional measurement) of the tumor lesions and the shortest diameter in the case of malignant lymph nodes are used in the criteria. Imaging includes conventional computed tomography (CT) and/or magnetic resonance imagining (MRI), bone scan, and positron emission tomography-computed tomography (PET-CT)
Time frame: Screening (within 14 days of Day 1) and pre-surgery (week 9-10). 1) If metastatic disease followup monthly or 2) if no evidence of disease followup every three months until five years or death.
Comparison of surgical outcomes to historical controls
Review estimated blood loss, blood transfusion, operative time, adjacent organ injury, and postoperative complications.
Time frame: Within two years following the last study participant's surgery
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Surgical removal of a kidney. After completion of 8 weeks of therapy and restaging, investigators will require 2 weeks wash out period. The patients will be evaluated by urology oncology team and appropriate surgery will be planned. This includes partial nephrectomy and radical nephrectomy.