Acute Myeloid Leukemia Clinical Trial
Official title:
The Use of Decitabine as Induction Therapy for Acute Myeloid Leukemia With Complex and/or Monosomal Karyotype
Acute myeloid leukemia (AML) is a heterogeneous group of diseases with distinct clinicopathologic features sharing in common an abnormal increase in myeloblasts in blood and bone marrow (BM). In about 5-10% patients, the myeloblasts exhibit chromosomal abnormalities (complex and/or monosomal karyotype, CK/MK*) that are associated with refractoriness to conventional chemotherapy and an extremely bad prognosis. Standard induction chemotherapy for AML comprises daunorubicin and cytarabine, the "7+3" regimen. However, treatment is largely ineffective for CK/MK AML with a temporary clearance of blasts achieved in only 30-40% cases and the cumulative toxicities resulting from repeated courses of chemotherapy have significantly increased the morbidity and mortality risks in subsequent allogeneic BMT. Therefore, standard treatment is unsatisfactory and there is an unmet clinical need for more effective and less toxic induction regimen. Both previous and recent studies showed that 10 day course of decitabine (20 mg/m2/day) induced remission in 70-100% patients with CK/MK AML, particularly those with TP53 mutations. In this study, patients with CK/MK AML will be treated with decitabine to induce remission. Bone marrow examination will be performed after each course until complete clearance of blasts or disease progression. Patients achieving CR/CRi (see below) will continue to receive 4 more courses, after which patients eligible for BMT and for whom donors are available will receive curative BMT. We reckon that the time it takes for 4 courses of decitabine will suffice for transplantation workup in HK. . Patients ineligible for BMT will continue to receive decitabine until leukemia progression. The response rate, leukemia free survival (LFS), overall survival (OS) and percentage of patients who can be bridged to BMT will be compared with historical 7+3 regimen control.
Status | Recruiting |
Enrollment | 20 |
Est. completion date | December 28, 2021 |
Est. primary completion date | September 30, 2021 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility | Inclusion Criteria: 1. Adult patients (age 18-65 years old) with CK/MK AML at diagnosis 2. De novo or secondary AML is allowed 3. ECOG performance = 2 4. Subjects with adequate liver, pancreatic and renal function at screening as demonstrated by :Direct bilirubin < 2 x upper limit of laboratory normal (ULN) Alanine aminotransferase (ALT) < 2.5 x ULN MDRD-eGRF > 30ml/min/1.73m2 5. Negative serum / urine pregnancy test within 7 days before starting study treatment in women with childbearing potential. 6. Subjects with ability to understand the protocol and signed a written informed consent document prior to the participation of the study. Exclusion Criteria: 1. Patients with CK/MK AML who have received standard induction chemotherapy before 2. Patients with active and uncontrolled infection. 3. Patients with concurrent severe and uncontrolled concomitant medical conditions that could cause unacceptable safety risk or compromise compliance with the protocol. |
Country | Name | City | State |
---|---|---|---|
Hong Kong | The University of Hong Kong | Hong Kong |
Lead Sponsor | Collaborator |
---|---|
The University of Hong Kong | Janssen, LP |
Hong Kong,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Complete remission (CR): | No increase in blasts in BM or PB (<5% of total nucleated cells), with absolute neutrophil count = 1x109/L and platelet count = 100 x109/L. | up to 16 weeks |
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