Kidney Cancer Clinical Trial
A Study of Belzutifan (MK-6482) in Combination With Palbociclib Versus Belzutifan Monotherapy in Participants With Advanced Renal Cell Carcinoma (MK-6482-024/LITESPARK-024)
The purpose of this study is to evaluate the efficacy and safety of belzutifan monotherapy and belzutifan plus palbociclib combination therapy in participants with advanced clear-cell renal cell carcinoma (ccRCC) who experienced disease progression on or after receiving prior therapy. Part 1 will establish the safety of belzutifan plus palbociclib and determine a recommended dosage of palbociclib for the combination therapy by ascending dose escalation. Part 2 will evaluate the efficacy and safety of belzutifan plus palbociclib at the dosage level determined in Part 1.
Has a histologically confirmed diagnosis of unresectable Stage IV (per American Joint Committee on Cancer [AJCC], 8th Edition) RCC with clear-cell component
Has had disease progression on or after having received at least 2 systemic treatments for unresectable Stage IV RCC with prior anti-programmed cell death 1 ligand 1 (PD-1/L1) and a vascular endothelial growth factor-tyrosine kinase inhibitor (VEGF-TKI) in sequence or in combination
Has measurable disease per RECIST 1.1 as assessed by the investigator and verified by blinded independent central review (BICR)
Has recovered from all AEs due to previous therapies
Has hypoxia, requires intermittent supplemental oxygen, or requires chronic supplemental oxygen
Has a known additional malignancy that is progressing or has required active treatment within the past 3 years
Has known central nervous system (CNS) metastases and/or carcinomatous meningitis
Has clinically significant cardiac disease
Has moderate to severe hepatic impairment
Has a known history of human immunodeficiency virus (HIV) infection
Has a history of hepatitis B (HBV) or known active hepatitis C (HCV) infection
Has received prior treatment of belzutifan or palbociclib
Has received prior radiotherapy ≤2 weeks prior to first dose of study intervention. Participants must have recovered from all radiation-related toxicities and not require corticosteroids
Has had major surgery ≤3 weeks prior to first dose of study intervention
Has received colony-stimulating factors (eg, granulocyte colony-stimulating factor [G-CSF], granulocyte-macrophage colony-stimulating factor [GM-CSF], or recombinant erythropoietin [EPO]) ≤28 days prior to the first dose of study intervention
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