In the Phase 1b (Dose-Escalation) portion of the trial, patients will be sequentially enrolled to dose-escalation cohorts until establishment of the Maximum Tolerated Dose (MTD) and/or Recommended Phase 2 Dose (RP2D) of Sym004 in combination with FOLFIRI.
The Phase 2a (Dose-Expansion) portion of the trial is expected to begin after establishing the RP2D.
Note: In January 2017, the trial was terminated during Phase 1b and enrollment was prematurely discontinued. The primary objective changed to assess the safety of the treatment combination; collection of data for secondary and exploratory objectives was omitted.
