Last updated on January 2019

Dose Escalation Study of I-131-CLR1404 in Patients With Relapsed or Refractory 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:

  • Histologically or cytologically confirmed multiple myeloma
  • Prior treatment with or intolerance to proteasome inhibitor and immunomodulator
  • Bone marrow biopsy within 28 days of study drug infusion demonstrating at least 5% plasma cell involvement
  • Progressive disease defined by any of following:

25% increase in serum M-protein from lowest response value during (or after) last therapy and/or absolute increase in serum M-protein of > or equal to 0.5 g/dL; 25% increase in urine M-protein from lowest response value during (or after) last therapy and/or absolute increase in urine M-protein of > or equal to 200 mg/24h; 25% increase in bone marrow plasma cell percentage from lowest response value during (or after) last therapy - absolute bone marrow plasma cell percentage must be > or equal to 10% unless prior complete response when absolute bone marrow plasma cell percentage must be > or equal to 5%; 25% increase in serum FLC level from the lowest response value during (or after) last therapy - the absolute increase must be > 10 mg/dL; new onset hypercalcemia > 11.5 mg/dL

  • Measurable disease defined by any of following: Serum M-protein > 1 g/dL; Urine M-protein > 200 mg/24h; Serum free light chain (FLC) assay: involved FLC level > or equal to 10 mg/dL provided serum FLC ratio is abnormal; subjects who are non-secretors will be considered on a case-by-case basis
  • Eastern Cooperative Oncology Group performance status of 0 to 2
  • Life expectancy of at least 6 months
  • Have initiative and means to be compliant with protocol and within geographical proximity to make required study visits as judged by Investigator
  • Subject or legal representative has ability to read, understand and provide written informed consent for study related procedures
  • Women of childbearing potential must have negative pregnancy test within 24 hours of enrollment
  • Women of childbearing potential and men who are able to father a child, must agree to use an effective contraception method during study and for 12 months following study drug administration

Exclusion Criteria:

  • Grade 2 or greater toxicities due to previous therapies, subject to laboratory abnormalities listed below. Stable, tolerable Grade 2 adverse events may be allowed at discretion of Investigator
  • Prior external beam radiation therapy resulting in greater than 20% total bone marrow receiving greater than 20 Gy
  • Prior radioisotope therapy
  • Prior total body or hemi-body irradiation
  • Extradural tumor in contact with the spinal cord or tumor located where swelling in response to therapy may impinge upon spinal cord
  • Subject has any of following laboratory abnormalities: WBC < 3000/uL; ANC < 1500/uL; Hemoglobin < 8 g/dL; Estimated glomerular filtration rate < 30 mL/min/1.73 m2; ALT > 3 x ULN ; Bilirubin > 1.5 x ULN
  • Platelet count < 100,000/uL without full-dose anticogulation therapy
  • Platelet count < 150,000/uL with ongoing full-dose anticoagulation therapy
  • Clinically significant bleeding event, as judged by investigator, within prior 6 months
  • Chronic immunosuppressive therapy
  • Anti-platelet therapy, except low-dose aspirin for cardioprotection
  • PTT > 1.3 x ULN
  • INR > 1.3
  • Radiation therapy, chemotherapy, immunotherapy, investigational therapy or corticosteroid use within 2 weeks of or after eligibility-defining bone marrow biopsy. Bisphosphonates and denosumab are permitted if subject has been receiving for at least 90 days
  • History of hypersensitivity to iodine
  • Any other concomitant serious illness or organ system dysfunction in opinion of Investigator would either compromise subject safety or interfere with test drug safety evaluation
  • Major surgery within 6 weeks of enrollment
  • Known history of HIV, hepatitis C or hepatitis B infection
  • Pregnancy or breast-feeding

Recruitment Status: Open

Brief Description Eligibility Contact Research Team

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