CD Marker Expression Oncology Relevance Therapeutic Targeting
CD19 Pan-B cell (not plasma cells) B-ALL, B-cell lymphomas CAR-T (Tisagenlecleucel, Axicabtagene), Blinatumomab
CD20 Mature B-cells NHL (DLBCL, Follicular, MCL), CLL Rituximab, Obinutuzumab, Ofatumumab, Ibritumomab
CD22 Pre-B to mature B-cells B-ALL, B-cell lymphomas Inotuzumab ozogamicin
CD35 B-cells, dendritic cells Rarely therapeutic target None approved
CD3 Pan–T-cell marker Diagnostic in T-cell ALL/Lymphomas Not targeted directly (used in Blinatumomab as T-cell engager)
CD4 / CD8 Helper and cytotoxic T-cells T-cell lymphomas, immunophenotyping Not directly targeted, but checkpoint inhibitors (PD-1/PD-L1, CTLA-4) affect T-cell function
CD5 T-cells, subset of B-cells CLL/SLL, Mantle cell lymphoma Diagnostic marker (no direct therapy)
CD7 T-cells, NK cells T-cell ALL/lymphomas Investigational CAR-T
CD10 (CALLA) Pre-B cells, germinal center B-cells B-ALL, Follicular lymphoma, Burkitt lymphoma Diagnostic marker
CD13 / CD33 Myeloid lineage AML Gemtuzumab ozogamicin (anti-CD33 ADC)
CD30 Activated B- and T-cells Hodgkin lymphoma, ALCL Brentuximab vedotin (anti-CD30 ADC)
CD34 Hematopoietic stem/progenitor cells AML, ALL (diagnostic) No direct therapeutic targeting
CD38 Plasma cells, activated lymphocytes Multiple myeloma, CLL Daratumumab, Isatuximab
CD45 (LCA) All leukocytes Used in immunophenotyping Diagnostic only
CD52 Mature lymphocytes CLL, T-cell malignancies Alemtuzumab
CD56 NK cells, subset of T-cells NK/T-cell lymphoma, AML subset Diagnostic marker
CD70 Activated B- and T-cells Renal cell carcinoma, lymphomas Investigational (anti-CD70 mAbs, ADCs)
CD79a/b B-cell receptor components B-cell lymphomas, ALL Diagnostic marker
CD123 (IL-3Rα) Hematopoietic progenitors, plasmacytoid dendritic cells AML, BPDCN Tagraxofusp (anti-CD123 fusion protein)
CD138 (Syndecan-1) Plasma cells Multiple myeloma Diagnostic marker, CAR-T under study

Key Takeaways for Oncology Pharmacy

  • Most druggable CD targets: CD19, CD20, CD22, CD30, CD33, CD38, CD52, CD123.
  • Diagnostic only (currently): CD5, CD7, CD10, CD34, CD45, CD56, CD79a, CD138.
  • Emerging targets: CD70, CD123, CD138 in myeloma and AML.