ALX Oncology Holdings Inc., a clinical-stage immuno-oncology company, focuses on developing therapies for cancer patients in the United States. The company’s lead product candidate is Evorpacept, a CD47 blocking therapeutic biologic in development as a combination therapy with other anti-cancer agents, including ASPEN-06, under Phase 2 clinical study for treating Gastric/GEJ cancer; ASPEN-07, under Phase 1 clinical study for treating urothelial cancer; and ASPEN-03 and ASPEN-04, both under Phase 2 clinical study for treating head and neck squamous cell carcinoma. It has collaboration agreement for Evorpacept combination programs comprising Jazz Pharmaceuticals plc for zanidatamab, under Phase 1 trial for the treatment of breast cancer and other solid tumors; Quantum Leap Healthcare collaborative with an ADC, fam-trastuzumab deruxtecan-nxki, under Phase 1 trial for the treatment of patients with breast cancer; MD Anderson Cancer Center with rituximab and lenalidomide for the treatment of patients with indolent and aggressive NHL; Sanofi with isatuximab and dexamethasone, under Phase 1/2 trial for the treatment of patients with relapsed or refractory multiple myeloma; Academic Gastrointestinal Cancer Symposium; and University of Pittsburgh with liposomal doxorubicin and pembrolizumab, under Phase 2 trial recurrent platinum-resistant ovarian cancer. In addition, the company has collaboration agreement with Tallac Therapeutics, Inc.