An interventional study of Dexamethasone continuous and Dexamethasone intermittent in Childhood Acute Lymphoblastic Leukemia, sponsored by Federal Research Institute of Pediatric Hematology, Oncology and Immunology. Recruiting at 58 sites in 5 countries. Open to participants aged 1 Year to 50 Years. Per ClinicalTrials.gov, last updated 2020-02-05.
Sponsored by Federal Research Institute of Pediatric Hematology, Oncology and Immunology · Not applicable, Interventional, and Treatment
QUESTIONS AND OBJECTIVES OF ALL-MB 2015 STUDY
Exclusion Criteria:
Induction therapy with intermittent Dexamethasone administration (1-15 days - 6 mg/m2, 15-22 day - pause, 22-29 days - 6 mg/m2).
Drug: Dexamethasone intermittent
Induction therapy with continuous Dexamethasone administration (6 mg/m2 1-29 days).
Drug: Dexamethasone continuous
Therapy with Dexamethasone (6 mg/m2) as basic glucocorticoid preparation.
Drug: Dexamethasone
Therapy with Methylprednisolone (60 mg/m2) as basic glucocorticoid preparation.
Drug: Methylprednisolone
Induction and consolidation therapy with Idarubicin
Drug: Idarubicin
Induction and consolidation therapy with Daunorubicin
Drug: Daunorubicin
Two-phase induction therapy (additional second phase of induction - protocol Ib)
Drug: Second phase of induction
Standard induction therapy (without second phase)
Drug: Standard induction therapy
Consolidation therapy without Bortezomib
Drug: Standard consolidation therapy
Consolidation therapy with Bortezomib 1.3 mg/m2 N12 (N4 in each reinduction)
Drug: Bortezomib
6 mg/m2, per os, in two divided doses per day q12 hours. 1-28 day (dose in the first few days is depending on the total tumor mass). From day 29 the dose of dexamethasone is reducing: days 29-31 - 3 mg/m2, days 32-34 - 1.5 mg/m2, days 35-36 - 0.75 mg/m2; then dexamethasone is discontinued completely.
6 mg/m2, per os, in two divided doses per day q12 hours. Days: 1-14 (dose in the first few days is depending on the total tumor mass) and 22-28; days 15-21 - pause. From day 29 the dose of dexamethasone is reducing: days 29-30 - 3 mg/m2, days 31-32 - 1.5 mg/m2, then dexamethasone is discontinued completely.
Induction: 6 mg/m2, per os, in two divided doses per day q12 hours. 1-28 day (dose in the first few days is depending on the total tumor mass). From day 29 the dose of dexamethasone is reducing: days 29-31 - 3 mg/m2, days 32-34 - 1.5 mg/m2, days 35-36 - 0.75 mg/m2; then dexamethasone is discontinued completely. Consolidation: 6 mg/m2 per os, in two divided doses per day q12 hours. Weeks 13-14 (days 85-98), weeks 21-22 (days 141-154), weeks 29-30 (days 197-210), weeks 37-38 (days 253-260), weeks 45-46 (days 309-316), weeks 53-54 (days 365-372). Maintenance therapy: 6 mg/m2, per os, in two divided doses per day q12 hours, for 10 days followed by quick discontinuation during 3 days. Weeks 61-62, 69-70, 77-78, 85-86, 93-94.
Induction: 60 mg/m2, per os, in two divided doses per day q12 hours. 1-28 day (dose in the first few days is depending on the total tumor mass). From day 29 the dose of dexamethasone is reducing: days 29-31 - 30 mg/m2, days 32-34 - 15 mg/m2, days 35-36 - 8 mg/m2; then methylprednisolone is discontinued completely. Consolidation: 60 mg/m2 per os, in two divided doses per day q12 hours. Weeks 13-14 (days 85-98), weeks 21-22 (days 141-154), weeks 29-30 (days 197-210), weeks 37-38 (days 253-260), weeks 45-46 (days 309-316), weeks 53-54 (days 365-372). Maintenance therapy: 60 mg/m2, per os, in two divided doses per day q12 hours, for 10 days followed by quick discontinuation during 3 days. Weeks 61-62, 69-70, 77-78, 85-86, 93-94.
Induction: 45 mg/m2, intravenously, for 6 hours on days 8 and 22. Consolidation: 30 mg/m2, intravenously, for 6 hours on days 44, 65 (consolidation S1); 107, 121 (consolidation S2); and 163 (consolidation S3).
Induction: 10 mg/m2, intravenously, for 6 hours on days 8 and 22. Consolidation: 8 mg/m2, intravenously, for 6 hours on days 44, 65 (consolidation S1); 107, 121 (consolidation S2); and 163 (consolidation S3).
1.3 mg/м2, intravenously, bolus injection. Days 85, 89, 92, 96 (consolidation S1); 141, 145, 148, 152 (consolidation S2) and 197, 201, 204, 208 (consolidation S3).
Cyclophosphamide (1,000 mg/m2, intravenously, for 1 hour - days 43 and 71); Cytarabine (75 mg/m2/day, intravenously, bolus injection. Four blocks of 4 days each, days 46-48, 52-55, 59-62, and 66-69); 6-mercaptopurine (60 mg/m2/day, per os, days 43-71); Triple intrathecal therapy (days 52 and 66)
Dexamethasone (6 mg/m2, p/o; 1-29 days); Daunorubicin (45 mg/m2, i.v.; day 8 and 22); Vincristine (1.5 mg/m2, i.v.; days 8, 15, 22, 29 and 36); Triple intrathecal therapy (Methotrexate/Cytarabine/Prednisone; days 0/1, 8, 15, 22, 29 and 36)
Consolidation consists of 3 phases: S1, S2 and S3. Each phase is a 6-week therapy with 6-mercaptopurine (50 mg/m2 per day, daily, orally), methotrexate (30 мг/м2, i.m., weekly) and L-asparaginase (10 000 U/m2, i.m., weekly), followed by 2 weeks of re-induction with Vincristine (1.5 mg/m2, i.v., days 1 and 8 of reinduction) plus Dexamethasone (6 mg/m2, p/o, daily, for 10 days followed by quick discontinuation during 3 days). Daunorubicin (30 mg/м2, i.v., N2 during S1, N2 during S2 and N1 during S3). Triple intrathecal therapy (Methotrexate/Cytarabine/Prednisone) N12 (4 injections per each phase)
Event-free survival
Time frame: 3 years, 5 years and 10 years after study start
Overall survival
Time frame: 3 years, 5 years and 10 years after study start
Cumulative incidence of relapse
Time frame: 3 years, 5 years and 10 years after study start
Early death rate
Time frame: 3 years, 5 years and 10 years after study start
Remission death rate
Time frame: 3 years, 5 years and 10 years after study start
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Federal Research Institute of Pediatric Hematology, Oncology and Immunology