A Safety Study of SGN-CD352A for Patients With Relapsed/Refractory Multiple Myeloma


About this study

This study tests the safety of a drug called SGN-CD352A, to find out what its side effects are. SGN-CD352A will be given every 4 weeks to a small group of patients with multiple myeloma.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Diagnosis of MM requiring systemic therapy (per the International Myeloma Working Group [IMWG] ).
  • Age 18 years or older.
  • An Eastern Cooperative Oncology Group (ECOG) Performance Status score of 0 or 1.
  • Life expectancy greater than 3 months.
  • Received at least 2 prior lines of therapy for MM including an immunomodulatory drug and a proteasome inhibitor.
  • Measurable disease, as defined by at least one of the following: Serum M protein 0.5 g/dL or higher, Urine M protein 200 mg/24 hr or higher, Serum free light chain (SFLC) 10 mg/dL or higher, and Abnormal SFLC ratio.
  • Adequate hematologic, renal, and hepatic function
  • A negative pregnancy test (for females of childbearing potential).
  • Patients must provide written informed consent.

Exclusion Criteria:

  • Other invasive malignancy within the past 3 years.
  • Active cerebral/meningeal disease related to the underlying malignancy.
  • Active Grade 3 or higher infection.
  • Known to be positive for HIV or known to have active hepatitis B or C.
  • Previous allogeneic stem cell transplant.
  • Idiopathic interstitial pneumonia or impaired diffusion capacity of the lung for carbon monoxide (DLCO).
  • Cerebrovascular or cardiovascular event, or congestive heart failure within the last 6 months.
  • Females who are pregnant or breastfeeding.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Scottsdale/Phoenix, Ariz.

Mayo Clinic principal investigator

Alexander Stewart, M.B., Ch.B.

Closed for enrollment

Contact information:

Cancer Center Clinical Trials Referral Office


More information


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