Sequential CD38 monoclonal antibody retreatment leads to deep remission in a patient with relapsed/refractory multiple myeloma

Int J Immunopathol Pharmacol. 2020 Jan-Dec:34:2058738420980258. doi: 10.1177/2058738420980258.

Abstract

We report on a currently 76-year-old female patient with relapsed/refractory (RR) multiple myeloma (MM) treated at our institution. This patient had received six lines of therapy including tandem autologous stem cell transplant, proteasome inhibitor, immunomodulatory drugs and CD38 antibody MOR202. At the last relapse, she progressed during treatment with pomalidomide and MOR202. In an individualized therapy concept, we started a multi-agent salvage therapy with pomalidomide, bortezomib, doxorubicin, dexamethasone, and CD38 antibody daratumumab ("Pom-PAD-Dara"), which resulted in a stringent complete remission with minimal residual disease (MRD) negativity after nine cycles. So far, our patient shows a progression free survival of more than 12 months. Our case demonstrates the feasibility of successful CD38 antibody retreatment in a patient with heavily pretreated CD38 antibody resistant MM.

Keywords: CD38; MOR202; daratumumab; multiple myeloma; refractory; relapse.

Publication types

  • Case Reports

MeSH terms

  • ADP-ribosyl Cyclase 1 / antagonists & inhibitors*
  • ADP-ribosyl Cyclase 1 / immunology
  • Aged
  • Antibodies, Monoclonal / administration & dosage*
  • Antibodies, Monoclonal, Humanized / administration & dosage*
  • Antineoplastic Agents, Immunological / administration & dosage*
  • Antineoplastic Combined Chemotherapy Protocols / administration & dosage*
  • Drug Administration Schedule
  • Drug Resistance, Neoplasm
  • Female
  • Humans
  • Membrane Glycoproteins / antagonists & inhibitors*
  • Membrane Glycoproteins / immunology
  • Multiple Myeloma / diagnosis
  • Multiple Myeloma / drug therapy*
  • Multiple Myeloma / immunology
  • Progression-Free Survival
  • Remission Induction
  • Salvage Therapy
  • Time Factors

Substances

  • Antibodies, Monoclonal
  • Antibodies, Monoclonal, Humanized
  • Antineoplastic Agents, Immunological
  • Membrane Glycoproteins
  • felzartamab
  • daratumumab
  • CD38 protein, human
  • ADP-ribosyl Cyclase 1