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To identify the maximum tolerated dose (MTD) of oral azacitidine on different treatment schedules in Japanese subjects with hematological neoplasms
Full description
This is a phase 1, multicenter, open-label, dose-escalation study that will evaluate the maximum tolerated dose (MTD), safety, pharmacokinetics, and preliminary efficacy of CC-486 in Japanese subjects with hematological neoplasms including myelodysplastic syndromes (MDS), chronic myelomonocytic leukemia (CMML), acute myeloid leukemia (AML), multiple myeloma (MM), non-Hodgkin lymphoma (NHL), or Hodgkin lymphoma (HL). A standard phase 1 design for MTD determination, an open label, dose ascending, "3 + 3" design, is adopted in this study. This study consists of screening phase, MTD determination phase, and treatment phase. Each subject continues study treatment until documentation of progressive disease or discontinuation of study treatment for any reason. Originally only MDS subjects were targeted and the MTD of CC-486 when administered once daily (QD) for 21 days in a 28-day cycle would be evaluated in this study. Currently CC-486 is being clinically developed with both 14-day and 21-day dosing schedules in various diseases. This study was suspended to amend protocol to evaluate the MTD on these different dosing schedule in larger population. This study was re-opened after amended protocol was approved by institutional review board at study site.
Enrollment
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Inclusion criteria
Eighteen years of age to 80 years of age at the time of signing the informed consent document; 2. Understand and voluntarily sign an informed consent document prior to any study related assessments and/or procedures being conducted; 3. Able to adhere to the study visit schedule and other protocol requirements; 4. Have a documented diagnosis of one of the following:
Average red blood cell transfusion requirement of ≥ 4 units per 28 days confirmed for a minimum of 84 days prior to starting study treatment. Hemoglobin levels within 7 days prior to administration of an red blood cell transfusion must be ≤ 9.0 g/dL in order for the transfusion to be counted towards red blood cell transfusion-dependent status. Red blood cell transfusions administered when hemoglobin levels were > 9.0 g/dL and/or red blood cell transfusions administered for elective surgery will not qualify as a required transfusion for the purpose of providing evidence of red blood cell transfusion-dependent status. Note that 4 units of red blood cell in Japan is equivalent to 2 units of red blood cell outside of Japan;
No consecutive 42 days that are red blood cell -transfusion-free during the 84 days prior to starting study treatment;
• Platelet transfusion-dependent as defined by:
Have at least two separate platelet transfusion episodes during 56 days prior to starting study treatment. Platelet transfusions administered for elective surgery will not qualify as a required transfusion for the purpose of providing evidence of platelet transfusion-dependent status;
No consecutive 28 days that are platelet-transfusion-free during the 56 days prior to starting study treatment; 6. Eastern Cooperative Oncology Group performance status of 0 or 1; 7. Females of childbearing potential (FCBP: a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy or 2) has not been naturally postmenopausal [ie, amenorrhea following cancer therapy does not rule out childbearing potential] for at least 24 consecutive months [ie, has had menses at any time in the preceding 24 consecutive months]) must:
Exclusion criteria
Hypoplastic myelodysplastic syndromes defined as bone marrow cellularity of < 20%;
Atypical chronic myeloid leukemia and unclassifiable myeloproliferative neoplasms. Subjects with white blood cell counts ≥ 12,000/μL must be excluded (for subjects with acute myeloid leukemia: subjects with white blood cell counts ≥ 15,000/μL must be excluded, and for subjects with chronic myelomonocytic leukemia: subjects with white blood cell counts ≥ 20,000/μL must be excluded);
Active central nerve system lymphoma unless the subject has been previously treated and remains asymptomatic for 3 months;
Dry tap bone marrow aspirate due to myelofibrosis, and/or myelofibrosis accompanied by splenomegaly;
Percentage of neoplasm cells in bone marrow more than 50%;
Prior treatment with azacitidine or other hypomethylating agent that was discontinued due to adverse event related to that therapy except adverse events related to topical reactions related to injection of azacitidine;
Prior allogeneic or autologous stem cell transplant;
History of inflammatory bowel disease (eg, Crohn's disease, ulcerative colitis), celiac disease (ie, sprue), prior gastrectomy or upper bowel removal, or any other gastrointestinal disorder or defect that would interfere with the absorption, distribution, metabolism or excretion of the study drug and/or predispose the subject to an increased risk of gastrointestinal toxicity;
Thrombocytopenia secondary to other possible causes, including medication(s), congenital disorder(s), immune disorder(s) (eg, idiopathic thrombocytopenic purpura [ITP]), or microvascular disorder(s) (eg, disseminated intravascular coagulation, hemolytic uremic syndrome, thrombotic thrombocytopenic purpura);
Treatment with any anticancer therapy (standard or investigational) within the previous 21 days prior to the first dose of study drug or less than full recovery (CTCAE grade 1) from the clinically significant toxic effects of that treatment. Treatment with hydroxyurea within the previous 28 days prior to the first dose of study drug must be excluded;
Concurrent use of corticosteroids, except for subjects on a stable or decreasing dose for at least 1 week prior to starting study treatment for medical conditions other than primary diseases. Topical use of corticosteroids is permitted regardless of dose
Prior history of malignancies, other than myelodysplastic syndromes, chronic myelomonocytic leukemia, acute myeloid leukemia, multiple myeloma, non-hodgkin lymphoma, or hodgkin lymphoma, unless the subject has been free of the disease for ≥ 3 years. Exceptions include the following:
Significant active cardiac disease within the previous 6 months, including:
Uncontrolled systemic fungal, bacterial, or viral infection (defined as ongoing signs/symptoms related to the infection without improvement despite appropriate antibiotics, antiviral therapy, and/or other treatment);
Known human immunodeficiency virus (HIV) positivity (eg, subjects who are receiving antiretroviral therapy for HIV disease);
Hepatitis Bs (HBs) antigen-positive, or hepatitis C virus (HCV) antibody-positive. In case HBc antibody and/or HBs antibody is positive even if HBs antigen-negative, a hepatitis B virus (HBV) DNA test should be performed and if positive the subject will be excluded;
Any of the following laboratory abnormalities:
Known clinically significant anemia due to iron, vitamin B12, or folate deficiencies, or autoimmune or hereditary hemolytic anemia, or gastrointestinal bleeding;
History of cerebrovascular accident or transient cerebral ischemic attack within 6 months prior to starting study treatment;
Interstitial lung disease, pulmonary fibrosis, or other severe respiratory disease;
Hepatic cirrhosis, or other moderate to severe hepatic disease;
Known or suspected hypersensitivity to azacitidine or mannitol;
Pregnant or breastfeeding females;
Any significant medical condition, laboratory abnormality, or psychiatric illness that would prevent the subject from participating in the study;
Any condition including the presence of laboratory abnormalities, which places the subject at unacceptable risk if he/she were to participate in the study;
Any condition that confounds the ability to interpret data from the study.
Primary purpose
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Interventional model
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2 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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