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OrigAMI-1 Colorectal cancer
A Phase 1b/2, nonrandomized, open-label study of amivantamab (EGFR × MET bispecific Ab) monotherapy in addition to SOC chemotherapy in participants with advanced or metastatic colorectal cancer
Phase
b
Compound
Amivantamab (EGFR × MET bispecific Ab) ± mFOLFOX6 or FOLFIRI
NCT identifier
NCT05379595
Enrollment

N=~225

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Study overview & design

Key eligibility criteria*:

  • Unresectable or mCRC
  • Phase 1b cohorts: evaluable disease
  • Phase 2 cohorts: measurable disease according to RECIST v1.1
  • ECOG PS 0 or 1
  • Cohorts A–E: No identified mutations in KRAS, NRAS, BRAF, EGFR ectodomains, or ERBB2/HER2 amplification
  • Cohorts A–C: Received ≥2 but ≤3 prior lines of systemic therapy in the metastatic setting
  • Cohorts D and E: ≤1 prior line of systemic therapy in the metastatic setting
  • Cohort A: left-sided CRC (no prior anti-EGFR therapy)
  • Cohort B: left-sided CRC (post anti-EGFR therapy)
  • Cohort C: right-sided CRC (with or without EGFR therapy)
  • Cohort D: anti-EGFR treatment naive; have not received xaliplatin-based chemotherapy in the metastatic setting
  • Cohort E: anti-EGFR treatment naive, have not received irinotecan-based chemotherapy in the metastatic setting
  • Cohort F: treatment naive for right-sided unresectable or mCRC
Study design
Study design

Primary outcomes:

  • ORR (Cohorts A–C)
  • DLTs (Phase 1b Cohorts D and E)
  • AEs
  • Laboratory value abnormalities
  • Vital sign abnormalities

Secondary outcomes:

  • ORR
  • DOR§
  • CBR§
  • PFS§

*Not a complete list of inclusion and exclusion criteria. Cohorts D, E, and F. Not a complete list of secondary outcomes. §Cohorts D, Phase 1b-D, Phase 1b-E, E, and F.
Ab, antibody; AE, adverse event; BRAF, v-raf murine sarcoma viral oncogene homolog B1; CBR, clinical benefit rate; CRC, colorectal cancer; DOR, duration of response; DLT, dose-limiting toxicity; ECOG PS, Eastern Cooperative Oncology Group performance status; EGFR, epidermal growth factor receptor; ERBB2, erythroblastic oncogene B; FOLFIRI; 5-fluorouracil, leucovorin, and irinotecan; HER2, human epidermal growth factor receptor 2; IV, intravenous; KRAS, Kristen rat sarcoma viral oncogene homolog; mCRC, metastatic colorectal cancer; MET, mesenchymal epithelial transition; mFOLFOX6, 5-fluorouracil, leucovorin, and oxaliplatin; NRAS, neuroblastoma RAS viral oncogene homolog; ORR, objective response rate; PFS, progression-free survival; RECIST v1.1, Response Criteria in Solid Tumors version 1.1; Q2W, every other week; SC, subcutaneous; SOC, standard of care.

Recruiting site locations
World Map
Belgium, Canada, China, Germany, Italy, Malaysia, Puerto Rico, South Korea, Spain, Taiwan, United States
Study design
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