Study of Icrucumab (IMC-18F1) or Ramucirumab Drug Product (DP) in Combination With Capecitabine or Capecitabine on Previously Treated Breast Cancer Patients

Study Summary

An open-label, multicenter, randomized, Phase 2 trial in which participant with unresectable, locally advanced or metastatic breast cancer who have been previously treated with anthracycline and taxane therapy receive ramucirumab DP or Icrucumab (IMC-18F1) administered on an every-21-day cycle (in combination with oral capecitabine therapy; capecitabine is administered twice a day on Days 1-14 of each cycle). Approximately 150 participants will be randomized in a 1:1:1 ratio to either ramucirumab DP or Icrucumab (IMC-18F1) in combination with capecitabine (Arm A and Arm B, respectively) or capecitabine monotherapy (Arm C). Randomization will be stratified by triple-negative receptor status (estrogen receptor-negative, progesterone receptor-negative, and human epidermal growth factor receptor-2 \[HER2/neu\]-negative) (yes/no) and receipt of prior antiangiogenic therapy. Treatment with the study medication(s) will continue until disease progression, the development of unacceptable toxicity, noncompliance or withdrawal of consent by the participant, or investigator decision. Capecitabine dose reductions in the setting of significant myelosuppression, hand-and-foot syndrome, or diarrhea will be required.

Primary Outcome

PFS is defined as the time from the date of randomization until the date of objectively determined progression as defined by Response Evaluation Criteria in Solid Tumors (RECIST v1.1) or death from any cause, whichever is first. Disease progression is defined as ≥20% increase in the sum of diameters of target lesions, taking as reference smallest sum on study (included baseline sum if that was the smallest on study); sum must have demonstrated an absolute increase of ≥5 millimeter (mm) and the a

Interventions

• DRUG Capecitabine
• BIOLOGICAL IMC-18F1
• BIOLOGICAL Ramucirumab DP