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Study of Magrolimab (Hu5F9-G4) in Combination With Cetuximab in Participants With Solid Tumors and Advanced Colorectal Cancer

Trial Status: Complete

The primary objectives of this study are: (Phase 1b) to investigate the safety and tolerability and to determine the recommended Phase 2 dose (RP2D) for magrolimab in combination with cetuximab; and (Phase 2) to evaluate overall response rate (ORR) of magrolimab in combination with cetuximab in participants with Kirsten rat sarcoma 2 viral oncogene homolog (KRAS) mutant and KRAS wild-type colorectal cancer (CRC).

Inclusion Criteria

  • Histological Diagnosis
  • Phase 1b only: Advanced solid malignancy with an emphasis on colorectal cancer (CRC), head and neck, breast, pancreatic and ovarian cancers who have been treated with at least one regimen of prior systemic therapy, or who refuse systemic therapy, and for which there is no curative therapy available.
  • Phase 2:
  • KRAS Mutant CRC: Advanced KRAS mutant CRC who have progressed or are ineligible for both irinotecan and oxaliplatin based chemotherapy
  • KRAS Wild-Type CRC: Advanced KRAS wild type CRC who have progressed or are ineligible for fluoropyrimidine, irinotecan, and oxaliplatin based chemotherapy and who are relapsed or refractory to at least 1 prior systemic therapy that included an anti-epidermal growth factor receptor (EGFR) antibody, such as cetuximab, panitumumab or others.
  • Adequate performance status and hematological, liver, and kidney function
  • Phase 2 only: Willing to consent to 1 mandatory pre-treatment and 1 on-treatment tumor biopsy

Exclusion Criteria

  • Active brain metastases
  • Prior treatment with cluster of differentiation 47 (CD47) or signal regulatory protein alpha (SIRPα) targeting agents.
  • Phase 2 only: second malignancy within the last 3 years.
  • Known active or chronic hepatitis B or C infection or human immunodeficiency virus (HIV)
  • Pregnancy or active breastfeeding


Los Angeles
UCLA / Jonsson Comprehensive Cancer Center
Status: ACTIVE
Contact: Msgana Tamrat
Phone: 310-825-4477
Palo Alto
Stanford Cancer Institute Palo Alto


Wayne State University / Karmanos Cancer Institute


University of Pennsylvania / Abramson Cancer Center


M D Anderson Cancer Center

Trial Phase Phase I/II

Trial Type Treatment

Lead Organization

  • Primary ID 5F9004
  • Secondary IDs NCI-2017-00905
  • ID NCT02953782