Dose Escalation and Expansion Study of FLX475 Monotherapy and in Combination With Pembrolizumab
Part of paid clinical trials in Gilbert, Arizona.
- Sponsor
- RAPT Therapeutics, Inc.
- Study ID
- NCT03674567
- Phase
- PHASE1/PHASE2
- Status
- Completed
Conditions
- Advanced Cancer
Eligibility Criteria
- Sex
- ALL
- Age
- 18 Years - N/A
- Healthy Volunteers
- Not accepted
Interventions
- FLX475 (tivumecirnon) — DRUGtablet
- pembrolizumab (KEYTRUDA®) — DRUGIV infusion
Study Details
This clinical trial is a Phase 1/2, open-label, sequential-group, dose-escalation and cohort expansion study to determine the safety and preliminary anti-tumor activity of FLX475 as monotherapy and in combination with pembrolizumab. The study will be conducted in 2 parts, a dose-escalation phase (Part 1) and a cohort expansion phase (Part 2). In Part 1 of the study, subjects will be enrolled in sequential cohorts treated with successively higher doses of FLX475 as monotherapy or in combination with pembrolizumab. In Part 2 of the study, subjects will be initially enrolled in Stage 1 of parallel expansion cohorts of FLX475 as monotherapy or in combination with pembrolizumab.
Key Dates
- First listed
- Sep 17, 2018
- Start date
- Sep 25, 2018
- Status verified
- Aug 2026
- Primary completion
- Dec 31, 2024
- Completion
- Dec 31, 2024
Study Design
- Enrollment
- 323 participants (actual)
- Allocation
- NON_RANDOMIZED
- Intervention model
- SEQUENTIAL
- Primary purpose
- TREATMENT
Arms
- Experimental: Part 1a: Monotherapy Dose EscalationEligible subjects will be enrolled in sequential cohorts treated with successively higher doses of FLX475 as monotherapy.
- Experimental: Part 1b: Combination Dose EscalationEligible subjects will be enrolled in sequential cohorts treated with successively higher doses of FLX475 in combination with pembrolizumab.
- Experimental: Part 2a: Monotherapy Expansion CohortsEligible subjects will be initially enrolled in Stage 1 of parallel expansion cohorts of FLX475 as monotherapy; additional subjects in each cohort may be enrolled in Stage 2.
- Experimental: Part 2b: Combination Expansion CohortsEligible subjects will be initially enrolled in Stage 1 of parallel expansion cohorts of FLX475 in combination with pembrolizumab; additional subjects in each cohort may be enrolled in Stage 2.
Primary Outcome Measure
Safety and Tolerability of FLX475 as a Single Agent and in Combination With Pembrolizumab Measured by the Incidence of Adverse Events, Including Dose-limiting Toxicities and Maximum Tolerated Dose [ Time Frame: Approximately 18 weeks ]
Locations (19)
Related coverage on Hipa.ai
- Pembrolizumab Trial Results Posted in Advanced Cancer StudyPembrolizumab · Sep 3, 2026 · ClinicalTrials.gov
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