Last updated on December 2019

Short Course Daratumumab in Patients With Multiple Myeloma

Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Multiple Myeloma
  • Age: Between 18 - 100 Years
  • Gender: Male or Female

Inclusion Criteria:

  • Multiple Myeloma according to the International Myeloma Working Group definition (2) i.e.:Clonal bone marrow plasma cells 10% or biopsy-proven bony or extramedullary plasmacytoma and any one or more of the following myeloma defining events and/or one or more of the biomarkers for malignancy at the time of diagnosis:
  • Myeloma defining events:
  • Hypercalcemia: serum calcium >0.25 mmol/L (>1 mg/dL) higher than the upper limit of normal or >2.75 mmol/L (>11 mg/dL)
  • Renal insufficiency: creatinine clearance <40 mL per min or serum creatinine >177 mol/L (>2 mg/dL)
  • Anemia: hemoglobin value of >20 g/L below the lower limit of normal, or a hemoglobin value <100 g/L
  • Bone lesions: one or more osteolytic lesions on skeletal radiography, CT, or PET-CT
  • Biomarkers of malignancy:
  • Clonal bone marrow plasma cell percentage 60%
  • Involved: uninvolved serum free light chain ratio100
  • >1 focal lesions on MRI studies
  • A very good partial response (VGPR) or better after induction therapy with/without consolidative chemotherapy and/or HDT/ASCT.
  • Very good partial response (VGPR):
  • Serum and urine M-component detectable by immunofixation but not on electrophoresis or
  • 90% or greater reduction in serum M-component plus urine M-component <100 mg per 24 h
  • Complete response (CR):
  • Negative immunofixation of serum and urine and
  • Disappearance of any soft tissue plasmacytomas and
  • <5% plasma cells in bone marrow
  • Stringent complete response (sCR)
  • CR as defined above plus
  • Normal free light chain ratio and
  • Absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence
  • MRD positive by flow cytometry
  • Additionally, patients who were previously MRD negative after induction therapy with/without consolidative HDT/ASCT and have turned MRD positive (by flow cytometry) based on bone marrow done at screening and do not have any evidence of progressive disease are eligible
  • Patients must be on standard of care lenalidomide maintenance therapy for at least 6 months at the time of study enrollment
  • Patient can be receiving bisphosphonate therapy per the treating oncologist's discretion
  • Creatinine clearance 45 ml/min using the Cockcroft-Gault method, MDRD, or CKD-EPI formula. If the calculated CrCl based on Cockcroft-Gault method, MDRD, or CKD-EPI is <45 mL/min, patient will have a 24 hr urine collection to measure CrCl.
  • Age 18 years
  • Eastern Cooperative Oncology Group (ECOG) performance status 0-2
  • Male or female patient who accepts and is able to use recognized effective contraception (oral contraceptives, IUCD, barrier method of contraception in conjunction with spermicidal jelly) throughout the study when relevant.
  • Absolute neutrophil count (ANC) 1.0 x 10^9/L, hemoglobin 8 g/dL, and platelet count 75 x 10^9/L. No transfusion or growth factor support for one week prior to labs.
  • Adequate hepatic function, with bilirubin < 1.5 x the ULN, and AST and ALT < 2.5 x ULN

Exclusion Criteria:

  • Patients with a diagnosis of MM not achieving a VGPR or better to the most recent therapy.
  • Patients with a diagnosis of MM who are MRD Negative by flow cytometry
  • Patients must not have measurable disease at the time of enrollment. Measurable disease is defined as follows
  • Serum monoclonal protein > 0.5 gm/dL
  • Urine monoclonal protein > 200 mg/24 hours
  • Involved serum free light chain > 10 mg/dL
  • Pregnant or lactating females
  • Uncontrolled hypertension or diabetes
  • Has significant cardiovascular disease with NYHA Class III or IV symptoms, or hypertrophic cardiomegaly, or restrictive cardiomegaly, or myocardial infarction within 3 months prior to enrollment, or unstable angina, or unstable arrhythmia
  • Uncontrolled intercurrent illness including but not limited to active infection or psychiatric illness/social situations that would compromise compliance of study requirements
  • Active infection requiring treatment within two weeks prior to first dose
  • Contraindication to any concomitant medication, including antivirals, anticoagulation prophylaxis, tumor lysis prophylaxis, or hydration given prior to therapy
  • Major surgery within 1 month prior to enrollment
  • Previous therapy with daratumumab or other anti-CD38 monoclonal antibodies
  • History of other malignancy (apart from basal cell carcinoma of the skin, or in situ cervix carcinoma) except if the patient has been free of symptoms and without active therapy during at least 5 years
  • Active hepatitis B or C infection
  • Subject is:
  • seropositive for human immunodeficiency virus (HIV)
  • seropositive for hepatitis B (defined by a positive test for hepatitis B surface antigen [HBsAg]). Subjects with resolved infection (ie, subjects who are HBsAg negative but positive for antibodies to hepatitis B core antigen [anti-HBc] and/or antibodies to hepatitis B surface antigen [anti-HBs]) must be screened using real-time polymerase chain reaction (PCR) measurement of hepatitis B virus (HBV) DNA levels. Those who are PCR positive will be excluded. EXCEPTION: Subjects with serologic findings suggestive of HBV vaccination (anti-HBs positivity as the only serologic marker) AND a known history of prior HBV vaccination, do not need to be tested for HBV DNA by PCR. seropositive for hepatitis C (except in the setting of a sustained virologic response [SVR], defined as aviremia at least 12 weeks after completion of antiviral therapy).

Recruitment Status: Open

Brief Description Eligibility Contact Research Team

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