Study Testing Radium-223 Dichloride in Relapsed Multiple Myeloma

Stopped early · Phase 1/Phase 2 · Has a placebo group

Conditions studied: Multiple Myeloma

In brief

This study will be conducted in 2 parts. The phase 1b part will be an international, phase 1b, open-label, dose-escalation assessment of radium-223 dichloride administered with bortezomib and dexamethasone in subjects with relapsed multiple myeloma. The primary endpoint is to determine the optimal dose of radium-223 dichloride in combination with bortezomib/dexamethasone for the Phase 2 portion of the study. The phase 2 part will be an international, phase 2, double-blind, randomized, placebo-controlled assessment of radium-223 dichloride versus placebo administered with bortezomib and dexamethasone, in subjects with relapsed multiple myeloma. Up to 12 subjects in all dose cohorts combined will be treated in the phase 1b part of the study. Up to approximately 100 subjects will be enrolled in the phase 2 part of the study.

Key facts

Study ID

NCT02928029

Run by

Bayer

People needed

7

Starts

2017-02-10

Expected to finish

2019-03-20

Last updated by the study team

2020-02-26

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Subject must have documented monoclonal plasma cells in the bone marrow of ≥10%, as defined by their institutional standard at some point in their disease history or the presence of a biopsy proven plasmacytoma.
• Subjects must have received at least 1 and not more than 3 previous lines of treatment and have had a response to at least 1 prior Treatment in the past (i.e., achieved a minimal response [MR] or better) according to the IMWG uniform response criteria.
• Subject must be non-refractory to bortezomib (Refractory is defined: progression of disease while receiving bortezomib therapy or within 60 days of ending bortezomib therapy).
• Subjects must have documented evidence of progressive disease according to the IMWG uniform response criteria following the last multiple myeloma treatment.
• Subjects must have measurable disease defined as at least 1 of the following:
• Serum M-protein defined by the following:
• IgG multiple myeloma: Serum monoclonal paraprotein (M-protein) level ≥1.0 g/dL (measured by protein electrophoresis [PEP]);
• IgA, IgD, IgE, IgM multiple myeloma: serum M-protein level ≥0.5 g/dL (measured by PEP).
• Urine M-protein ≥200 mg/24 hours (any immunoglobulin heavy chain type measured by PEP).
• Serum free light chain (FLC) ≥10 mg/dL with abnormal ratio in subjects with unmeasurable disease by serum or urine PEP.
• ≥1 bone lesion identifiable by radiograph, computed tomography (CT), positron emission tomography - computed tomography (PET-CT), or magnetic resonance imaging (MRI).
• Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) of 0 to 2.
• Adequate hepatic function, with total bilirubin ≤1.5 x upper limit of normal (ULN) (except for Gilbert Syndrome: total bilirubin < 3.0 x ULN), and aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤3.0 x ULN.
• Absolute neutrophil count (ANC) ≥1.5 × 10e9/L, hemoglobin (Hb) ≥9.0 g/dL, and platelet count ≥75.0 × 10e9/L independent of transfusion of red blood cells (RBC) or platelet concentrates and independent of granulocyte colony-stimulating factor (G-CSF) or granulocyte-macrophage colony-stimulating factor (GM-CSF).
• International normalized ratio (INR) ≤ 1.5 and partial thromboplastin time (PTT) ≤ 1.5 x ULN. Prothrombin time (PT) may be used instead of INR if ≤ 1.5 x ULN.

You may not qualify if…

• Systemic glucocorticoid therapy (prednisone >10 mg/day orally or equivalent) within the last 4 weeks prior to first dose, unless tapered and on a stable dose (prednisone ≤10 mg/day orally or equivalent) for at least 1 week.
• Subjects with known POEMS syndrome (polyneuropathy, organomegaly, endocrinopathy, monoclonal protein, and skin changes) or light-chain (AL) amyloidosis.
• Plasma cell leukemia (defined by plasma cell >20%, and/or an absolute plasma cell count of >2 x 10e9/L in peripheral blood).
• Subject has received anti-myeloma treatment within 2 weeks or 5 pharmacokinetic (PK) half-lives (t1/2) of the treatment, whichever is longer, before the date of start of treatment.
• Radiation therapy in the previous 4 weeks prior to first dose.
• Prior treatment with radium-223 dichloride or any experimental radiopharmaceutical.
• Congestive heart failure (New York Heart Association [NYHA] class III to IV), symptomatic cardiac ischemia, unstable angina or myocardial infarction in the previous 6 months prior to first dose, or with a known left ventricular ejection fraction (LVEF) <40%, cardiomyopathy, pericardial disease, clinically relevant cardiac arrhythmia (CTCAE version 4.03 Grade 2 or higher), clinically significant ECG abnormalities, or screening 12-lead ECG showing a baseline prolonged QT interval (baseline QT interval as corrected by Fridericia's formula > 470 msec).
• Neuropathy ≥ Grade 2.

Where it is running

• Pacific Oncology/Hematology Associates — Encinitas, California, United States
• Wake Forest Baptist Health — Winston-Salem, North Carolina, United States
• Fred Hutchinson Cancer Research Center — Seattle, Washington, United States
• National Cancer Center — Goyang-si, Gyeonggido, South Korea
• Seoul National University Hospital — Seoul, South Korea
• Hospital Universitari Son Espases — Palma de Mallorca, Illes Baleares, Spain
• Hospital Universitario Virgen del Rocío — Seville, Spain

Full record on ClinicalTrials.gov

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