On April 9, 2015 Exelixis reported that the U.S. Food & Drug Administration (FDA) has granted Fast Track designation to cabozantinib for treatment of patients with advanced renal cell carcinoma (RCC) who have received one prior therapy (Press release, Exelixis, APR 9, 2015, View Source [SID:1234502971]). Cabozantinib is the company’s lead compound and inhibits the activity of multiple tyrosine kinases including MET, VEGFRs and RET. The FDA created the Fast Track process to facilitate the development and expedite the review of drugs to treat serious diseases and address unmet medical needs. Fast Track designation confers important benefits, including the potential eligibility for Priority Review of a New Drug Application, if relevant criteria are met.1 Schedule your 30 min Free 1stOncology Demo! Cabozantinib is the subject of METEOR, an ongoing phase 3 pivotal trial in patients with metastatic RCC who have experienced disease progression following treatment with at least one VEGFR tyrosine kinase inhibitor. Patients are randomized 1:1 to receive 60 mg of cabozantinib daily or 10 mg of everolimus daily. The primary endpoint of METEOR is progression-free survival, and secondary endpoints include overall survival and objective response rate. Exelixis expects to release top-line results from the trial in the second quarter of 2015. In addition to the metastatic RCC development program, Exelixis is also evaluating cabozantinib in CELESTIAL, a phase 3 pivotal trial in second-line hepatocellular carcinoma (HCC). Know more, wherever you are: About Metastatic Renal Cell Carcinoma
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The American Cancer Society’s 2015 statistics cite kidney cancer as among the top ten most commonly diagnosed forms of cancer among both men and women in the United States.2 Clear cell renal cell carcinoma is the most common type of kidney cancer in adults.3 If detected in its early stages, the five-year survival rate for RCC is high; however, the five-year survival rate for patients with advanced or late-stage metastatic RCC is under 10 percent, with no identified cure for the disease.4
Treatments for metastatic RCC had historically been limited to immunotherapy (e.g., interleukin-2 and interferon) until the introduction of targeted therapies into the RCC setting a decade ago. In the second-line setting, which encompasses approximately 11,000 drug-eligible patients in the U.S. and 37,000 globally, four new therapies have been approved in the past five years.5 Despite the availability of several therapeutic options, however, currently approved agents have shown little differentiation in terms of efficacy and have demonstrated only modest PFS benefit in patients refractory to sunitinib, a commonly-used first-line therapy.
About Cabozantinib
Cabozantinib inhibits the activity of tyrosine kinases including MET, VEGFRs and RET. These receptor tyrosine kinases are involved in both normal cellular function and in pathologic processes such as oncogenesis, metastasis, tumor angiogenesis, and maintenance of the tumor microenvironment.
COMETRIQ (cabozantinib) is currently approved by the U.S. Food and Drug Administration for the treatment of progressive, metastatic medullary thyroid cancer (MTC).
The European Commission granted COMETRIQ conditional approval for the treatment of adult patients with progressive, unresectable locally advanced or metastatic MTC. Similar to another drug approved in this setting, the approved indication states that for patients in whom Rearranged during Transfection (RET) mutation status is not known or is negative, a possible lower benefit should be taken into account before individual treatment decisions.
Important Safety Information, including Boxed WARNINGS
WARNING: PERFORATIONS AND FISTULAS, and HEMORRHAGE
Serious and sometimes fatal gastrointestinal perforations and fistulas occur in COMETRIQ-treated patients.
Severe and sometimes fatal hemorrhage occurs in COMETRIQ-treated patients.
COMETRIQ treatment results in an increase in thrombotic events, such as heart attacks.
Wound complications have been reported with COMETRIQ.
COMETRIQ treatment results in an increase in hypertension.
Osteonecrosis of the jaw has been observed in COMETRIQ-treated patients.
Palmar-Plantar Erythrodysesthesia Syndrome (PPES) occurs in patients treated with COMETRIQ.
The kidneys can be adversely affected by COMETRIQ. Proteinuria and nephrotic syndrome have been reported in patients receiving COMETRIQ.
Reversible Posterior Leukoencephalopathy Syndrome has been observed with COMETRIQ.
Avoid administration of COMETRIQ with agents that are strong CYP3A4 inducers or inhibitors.
COMETRIQ is not recommended for use in patients with moderate or severe hepatic impairment.
COMETRIQ can cause fetal harm when administered to a pregnant woman.
Adverse Reactions – The most commonly reported adverse drug reactions (≥25%) are diarrhea, stomatitis, palmar-plantar erythrodysesthesia syndrome (PPES), decreased weight, decreased appetite, nausea, fatigue, oral pain, hair color changes, dysgeusia, hypertension, abdominal pain, and constipation. The most common laboratory abnormalities (≥25%) are increased AST, increased ALT, lymphopenia, increased alkaline phosphatase, hypocalcemia, neutropenia, thrombocytopenia, hypophosphatemia, and hyperbilirubinemia.
Please see full U.S. prescribing information, including Boxed WARNINGS, at www.COMETRIQ.com/downloads/Cometriq_Full_Prescribing_Information.pdf. Please refer to the full European Summary of Product Characteristics for full European Union prescribing information, including contraindication, special warnings and precautions for use at www.sobi.com once posted.