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Acute myeloid leukemia patients with first-induction failure

Acute myeloid leukemia patients are re-induced by CLAG Regimen after first-induction failure

CLAG

Xuejie Jiang, Doctor

Xuejie Jiang, doctor

Most of patients with acute myeloid leukemia achieved complete remission (CR) after primary induction chemotherapy, there were 20-30% patients without CR after first-induction. It was uncertain how to treat these patients. It was investigated in our study that these patients were re-induced with CLAG Regimen. The CR ratio, overall survival (OS) and relapsed-free survival (RFS) was statistically analysed in these patients.

A Multicenter Prospective Cohort Study Study of CLAG Regimen in Acute Myeloid Leukemia Patients With First-induction Failure

CLAG Regimen is used to re-induce acute myeloid leukemia patients after first-induction failure

CLAG Regimen improves CR rate in acute myeloid leukemia patients with first-induction failure

Nanfang Hospital, Southern Medical University

Anti-Infective Agents

Antineoplastic Agents

All Drugs and Chemicals

Analgesics

Cytarabine

Mitoxantrone

Decitabine

Daunorubicin

Lenograstim

Cladribine

2-chloro-3'-deoxyadenosine

Antimetabolites

Antiviral Agents

Immunosuppressive Agents

Immunologic Factors

Anti-Bacterial Agents

Antibiotics, Antitubercular

Enzyme Inhibitors

Adjuvants, Immunologic

The first stage of treatment.

First DAC induction cycle is common to all patients (regardless of risk group). After completion of induction I occurs early assessment of bone marrow on the +14 day after the start of treatment (+7 day after completion of chemotherapy).

Patients with blasts in the bone marrow in D14\> 10% receive early second induction (CLAG) which start form +16 day.

Patients with blasts in the bone marrow in D14 ≤ 10% do not receive early second induction and are qualified to assess the response times on +28 day or after full morphology recovery (if it occurs before the +28 day

I induction cycle starts after complete remission (CR).

- After I consolidation, patients from Intermediate I an Intermediate II group (ELN prognostic system):

If compatible donor is present - allogeneic HSCT qualification after I or II consolidation. If compatible donor for allogeneic HSCT is not present - attempt to CD34+ mobilization for autologous SCT after II consolidation

- After I consolidation, patients from Adverse risk group (ELN prognostic system):

If compatible donor is present - immediate qualification for allogeneic HSCT.

- Finding a donor should be initiated in all patients, at the latest after the end of I induction. In the first place, it should be checked whether the patient has a donor family, if not - searching start for an unrelated donor. For patients with no compatible donor for allogeneic HSCT - need to start searching for an alternative donor

Patients from all 5 risk group receive second after first consolidation \[Ara-C\] Patient from Very adverse risk receive Ara-C + CLA (Cladribine). If it is needed - more intensive consolidation treatment with 2-Cda.

Patients form Very adverse risk receive Maintenance treatment:

Decitabine 20 mg/m2 60 min infusion iv (Intravenous injection) for 5 days every 6 weeks.

Patients from Favorable, - Intermediate I an Intermediate II risk groups: CD34+ mobilization (HSCT qualification).

Patients from Favorable, Intermediate I an Intermediate II risk groups receive III consolidation or autologous HSCT (depends on results of mobilization).

Patients from Adverse risk receive III Consolidation HiDAraC + Cladribina (CLA) If no CR: CLAG-M reinduction therapy and after CR - treatment according to protocol.

* DNR 60 mg/m2 0,5h infusion iv on 1-3 days
* 2-CdA 5 mg/m2 2h. infusion iv on 1-5 days
* Ara-C 200 mg/m2 12h infusion iv 2h after end of infusion with 2CdA on 1-7 days

* G-CSF 30MU sc, on 0-5 days
* Mitoxantrone 10mg/m2 30 min infusion iv, on 1-3 days
* Cladribine 5mg/m2 in 2h infusion iv, on 1-5 days
* Ara-C 2000mg/m2 4h infusion iv, infusion start after 2h of Cladribine infusion end, on 1-5 day

* Ara-C 3g/m2; 3h infusion iv every 12h on 1,2,3 days
* Mitoxantrone 10mg/m2; 0,5h infusion iv on 3,4,5 days

Consolidation, I HAM cycle

• Ara-C 3g/m2 every 12h; 3h infusion iv on 1,3,5 days (+ mobilization of CD34+)

II Consolidation HiDAraC

* Ara-C 3g/m2 every 12h; 3h infusion iv on 1,3,5 days
* 2-CdA 5 mg/m2 2h infusion iv on 1,3,5 days, 2h before Ara-C

Consolidation, III HiDAraC cycle

Agnieszka Wierzbowska, dr hab.n.med.

Agnieszka Pluta, dr n.med.

Agnieszka Wierzbowska, Dr hab. n. med.

In view of the diversity of the biology of acute myeloid leukemia (AML) therapy in individual patients must be individualized. One of the tools for this is molecular-cytogenetic stratification. It divides patients into five categories (prognostic groups): Favorable, Intermediate-1, Intermediate-2, Adverse and Very adverse risk. After remission proceedings are tailored depending on prognostic determined groups.

Research of PALG group in the application in the second line regimen CLAG and CLAG-M proved high effectiveness of this treatment with low toxicity. Considering experience of PALG groups, it seems that the use of the schema CLAG early as the second induction therapy is a viable treatment option.

Patients with AML with one of 5 prognostic categories based on modified cytogenetic-molecular stratification (European Leukemia Net Prognostic System - ENL)

Favorable risk

t(8;21)(q22;q22); RUNX1-RUNX1T1 inv(16)(p13.1q22) or t(16;16)(p13.1;q22); CBFB-MYH11 Mutated NPM1 without FLT3-ITD (NK) Mutated CEBPA (NK)

Intermediate I risk

Mutated NPM1 with FLT3-ITD (NK) Wild-type NPM1 and FLT3-ITD (NK) Wild-type NPM1 without FLT3-ITD (NK)

Intermediate II risk

t(9;11)(p22;q22); MLLT3-MLL cytogenic abnormalities other than favorable or adverse

Adverse risk

Inv(3)(q21q26.2) or t(3;3)(q21;q26.2); RPN-EVI1

Very adverse risk monosomal karyotype (MK): -5 or del(5q); -7; abnl(17p); complex karyotype

Goals:

* Evaluation of the impact of therapy tailored to the risk factors on outcome of AML patients aged ≤ 60.
* Evaluation of the possibility to improve the results of induction therapy through the use of early 2nd induction in patients with persistent leukemic infiltration of the bone marrow at the 14th day,
* Evaluation of the impact of the minimal residual disease (MRD) presence assessed by Immunophenotyping method, on the results of treatment of AML patients aged ≤ 60,
* Assessing the significance of monitoring the number of leukemic stem cells (LSC) in bone marrow and peripheral blood and their influence on clinical course and outcome of AML treatment,
* Assessment of the LSC determination usefulness in MRD monitoring in patients with AML,
* Evaluation of the prognostic significance of the expression of CXCR-4 on the surface of leukemic cells and their impact on the clinical course and outcome of AML - trying to select a group of patients who potentially would benefit from the use of chemosensitization with plerixafor,
* Evaluation of autologous HSCT effectiveness in consolidation therapy in AML patients from 3 following cytogenetic-molecular risk groups: Favorable, Intermediate I, Intermediate II,
* Comparison of the overall survive (OS) and leukemia-free survival after autologous and allogeneic HSCT in AML patients from Intermediate I and Intermediate II cytogenetic-molecular risk groups (biological randomization donor vs. donor).

Role of the Therapy Tailored to Risk Factors in Treating Adult Patients (≤60) With Acute Myeloid Leukemia

Evaluation of the Efficacy of Induction-consolidation Treatment Using a Double Induction in Patients With AML <60 Years Old, Depending on the Percentage of Blasts in the 14 Day, Residual Disease and Leukemic Hematopoietic Cells

Outcome measure after induction:

At +28 day after treatment or after full morphology recovery (if it occurs before the +28 day)

Complete remission, according to Cheson's CR criteria:

* Lack of extramedullary infiltration,
* Platelet count\> 100 G / L,
* Neutrophil count\> 1.0 G / L,
* Lack of blast cells in the blood,
* Bone marrow blasts \<5% in the cytomorphology.

After induction treatment, patients are qualified for one of the pro-remission treatment options, which is associated with cytogenetic-molecular risk groups, according to the modification of the molecular ELN / MDACC.

Therapeutic decisions are being made according to cytogenetic-molecular stratification: Favorable, Intermediate-1, Intermediate-2, Adverse and Very adverse risk.

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization
A Multicenter Prospective Cohort Study Study of CLAG Regimen in Acute Myeloid Leukemia Patients With First-induction Failure	NCT05875649	AML	CLAG	14 Years - 65 Years	Nanfang Hospital, Southern Medical University
Role of the Therapy Tailored to Risk Factors in Treating Adult Patients (≤60) With Acute Myeloid Leukemia	NCT02072811	Acute Myeloid L...	DAC CLAG Consolidation, ... II Consolidatio... Consolidation, ...	18 Years - 60 Years	Polish Adult Leukemia Group
A Multicenter Prospective Cohort Study Study of CLAG Regimen in Acute Myeloid Leukemia Patients With First-induction Failure	NCT05875649	AML	CLAG	14 Years - 65 Years	Nanfang Hospital, Southern Medical University
Role of the Therapy Tailored to Risk Factors in Treating Adult Patients (≤60) With Acute Myeloid Leukemia	NCT02072811	Acute Myeloid L...	DAC CLAG Consolidation, ... II Consolidatio... Consolidation, ...	18 Years - 60 Years	Polish Adult Leukemia Group

Spots Global Cancer Trial Database for clag

Every month we try and update this database with for clag cancer trials from around the world to help patients and their families find trials that might be right for them.
We offer this 100% free of charge and do not endorse any of the trials listed here, we hope it helps you or a loved one.

Spots Global Cancer Trial Database for clag

Every month we try and update this database with for clag cancer trials from around the world to help patients and their families find trials that might be right for them. We offer this 100% free of charge and do not endorse any of the trials listed here, we hope it helps you or a loved one.

Every month we try and update this database with for clag cancer trials from around the world to help patients and their families find trials that might be right for them.
We offer this 100% free of charge and do not endorse any of the trials listed here, we hope it helps you or a loved one.