An Open-label, Phase I Study to Assess the Safety of Multiple Doses of CYAD-101, Administered After Standard FOLFOX or FOLFIRI Chemotherapy in Patients With Unresectable Metastatic Colorectal Cancer

Inclusion Criteria: 1. Histologically proven metastatic adenocarcinoma of the colon or rectum. 1. Confirmed metastatic unresectable adenocarcinoma of the colon or the rectum. 2. Recurrent/progressing disease after at least one line of systemic therapy for metastatic disease. 3. Unequivocal and measurable disease by Response Evaluation Criteria in Solid Tumors (RECIST version 1.1). 4. FOLFOX segment: Neurotoxicity less than or equal to Common Terminology Criteria for Adverse Events (CTCAE) Grade 1 from previous chemotherapy. 5. FOLFIRI segment: Documented progressive disease (P…