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| Name | Class |
|---|---|
| The Second People's Hospital of Huai'an | OTHER |
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Although allogeneic hematopoietic stem cell transplantation (HSCT) is a curative treatment option for acute leukemia (AL), relapsed or refractory (R/R) AL is still a big challenge. It is believed that decreased tumor burden before HSCT is a favorable factor contributing to the long-term survival of R/R AL patients and many kinds of bridging chemotherapy regimens were devised to kill leukemic cells before HSCT, there is still no consensus that which regimen is optimal. This study is to investigate the curative efficacy and safety of bridging CAV (cladribine combined with low dose Ara-C and venetoclax) regimens followed by HSCT treatment protocol for R/R AML.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| CAV Regimen Bridging to HSCT | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| CAV regimen bridging to HSCT | Procedure | The enrolled patients will be firstly given CAV bridging regimen (cladribine 5mg/m2/ day for 5 days, cytarabine 20mg q12h for 10 days, and began at 100 mg on day 1 and increased stepwise over 3 days to reach the target dose of 400 mg (100 mg, 200 mg, and 400 mg) on days 1-21. Conditioning regimen for allo-HSCT may be administrated after completion of the CAV regimen, with or without consolidation therapy. |
| Measure | Description | Time Frame |
|---|---|---|
| ORR (overall response rate) | ORR was calculated as the sum of CR, CRi, MLFS and PR. | 1 month |
| Measure | Description | Time Frame |
|---|---|---|
| OS (Overall survival) | OS was defined as the time from enrollment to this study to the date of death from any cause; patients not known to have died at last follow-up are censored on the date they were last known to be alive. | 1 year |
| EFS (Event-free survival) |
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Inclusion Criteria:
Patients with AL must meet one of the following criteria :A or B. A: relapsed AL disease was defined as follows: (1) Reappearance of leukemic blasts in the peripheral blood after CR; or (2) detection of >5% blasts in the bone marrow (BM) not attributable to another cause(e.g. regeneration after consolidation therapy); or (3) extramedullary relapse.
B: refractory AL disease was defined as follows: (1) failure to achieve CR, CRh or CRi after two courses of intensive induction treatment. or (2) failure to achieve complete remission after one cycle of induction chemotherapy or a reduction in the number of blasts of less than 50% after one cycle of induction treatment, with residual blasts >15%.
patients without ≥grade 3 of cardiac, hepatic, pulmonary, or renal dysfunctions.
sign informed consent voluntarily.
Patients aged between 16 and 70 years old, male or female is permitted.
ECOG performance status score less than 1.
The expected survival is longer than 3 months.
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Sheng-Li Xue, M.D. | The First Affiliated Hospital of Soochow University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The First Affiliated Hospital of Soochow University | Suzhou | Jiangsu | 215006 | China |
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| ID | Term |
|---|---|
| D012008 | Recurrence |
| ID | Term |
|---|---|
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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EFS was defined as the time from the initiation of CAV to treatment failure, relapse, death from any cause or the last follow-up. |
| 1 year |
| Adverse events (AEs) | It is evaluated and graded according to CTCAE 5.0. | 2 months |