The purpose of this study is to determine the maximum tolerated dose of RX-0201, up to a target dose of 250 mg/m\^2/day, when given in combination with everolimus (Stage 1), and to assess the safety and efficacy of RX-0201 plus everolimus, in subjects with metastatic renal cell cancer (Stage 2).
This multi-center, open-label, randomized, parallel group study of RX-0201 in combination with everolimus, versus everolimus alone to treat subjects with advanced renal cell carcinoma will be conducted in 2 stages. Stage 1 will be an open-label, dose-escalation study of RX-0201 to identify a safe and tolerable dose of RX-0201 up to a target dose of 250 mg/m\^2/day when given in combination with everolimus. Stage 2 will be a randomized, open-label, 2-arm study of RX-0201 in combination with everolimus versus everolimus alone. Subjects will receive RX-0201, at the dose identified in Stage 1, in combination with everolimus or everolimus alone, for up to 8 cycles to determine safety and efficacy of the combination.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
24
RX-0201 will be administered in a dose up to 250mg/m\^2/day as a continuous infusion for a cycle of 21 days (14 days infused followed by 7 days off) for up to 8 cycles in Stage 1. In Stage 2, RX-0201 will be administered the dose determined in Stage 1 as a continuous infusion for a cycle of 21 days (14 days infused followed by 7 days off) for up to 8 cycles.
Rexahn Site
Tucson, Arizona, United States
Rexahn Site
Duarte, California, United States
Rexahn Site
Albuquerque, New Mexico, United States
Rexahn Site
New York, New York, United States
Incidence of Dose-limiting Toxicities (DLTs) (Stage 1)
Incidence of adverse events and clinical laboratory abnormalities defined as dose-limiting toxicities
Time frame: after 1 cycle (3 weeks) of treatment with RX-0201 and everolimus
Progression Free Survival (Stage 2)
Median PFS. Progression determined by RECIST v1.1
Time frame: 4 months of treatment with RX-0201 and everolimus
Steady State Concentration (Css) of RX-0201 (Stage 1)
Css of RX-0201 at the beginning and end of the 14 day continuous infusion
Time frame: predose, 1, 2, 3, 4, 6, and 24 hours after start of Cycle 1 RX-0201 infusion, and then immediately prior to the end of Cycle 1 infusion (Day 15), 1, 2, 3, 4, 6, and 24 hours after infusion is stopped
Incidence of Adverse Events, Changes in Clinical Laboratory Tests and Vital Signs Over Time (Stage 1 and Stage 2)
safety of RX-0201 was evaluated through reporting using the grading system in the CTCAE version 4.03 for adverse events and laboratory abnormalities. All statistical methods for safety were descriptive in nature.
Time frame: up to 24 weeks of treatment with RX-0201 plus everolimus and at least 30 days of safety follow up
Best Overall Response as Determined by RECIST v1.1.
Best overall response as determined by RECIST v1.1. Not Evaluable included the subjects who had completed at least one treatment cycle but no overall response evaluation. Not Done included the subjects who dropped out from the study without completing any treatment cycle and overall response evaluation. The best overall response for each subject from all post-baseline time point overall responses was used. The best overall response was the best response recorded from the start of the treatment until disease progression/recurrence, or occurrence of intolerable toxicity, whatever came first.
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Rexahn Site
The Bronx, New York, United States
Rexahn Site
Salt Lake City, Utah, United States
Rexahn Site
Seattle, Washington, United States
Time frame: Baseline and at weeks 6, 12, 18, and 24