CAV Regimen Bridging to HSCT for R/R AL

NCT ID: NCT05190549

Last Updated: 2024-11-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-10-01

Study Completion Date

2024-11-17

Brief Summary

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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.

Detailed Description

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Conditions

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Acute Leukemia, Relapsed Acute Leukemia Refractory

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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CAV Regimen Bridging to HSCT

Group Type EXPERIMENTAL

CAV regimen bridging to HSCT

Intervention Type 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.

Interventions

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CAV regimen bridging to HSCT

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.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

1. 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%.
2. patients without ≥grade 3 of cardiac, hepatic, pulmonary, or renal dysfunctions.
3. sign informed consent voluntarily.
4. Patients aged between 16 and 70 years old, male or female is permitted.
5. ECOG performance status score less than 1.
6. The expected survival is longer than 3 months.

Exclusion Criteria

1. With other malignant tumors.
2. Patients received the treatment of cladribine or venetoclax.
3. Patients received cardiac angioplasty or stent implantation.
4. Active infections that are not under clinical control (bacteria or fungus or virus is included).
5. Liver functions abnormalities (total bilirubin\>1.5 times the upper limit of the normal range, ALT/AST\>2.5 times the upper limit of the normal range or patients with liver involvement whose ALT/AST\>1.5 times the upper limit of the normal range), or renal anomalies (serum creatinine\>1.5 times the upper limit of normal value).
6. Pregnant or nursing women.
7. Patients with mental disorders or other conditions whereby informed consent cannot be obtained and where the requirements of the study treatment and procedures cannot be met.
8. Patients participated in any other clinical trials 3 months prior to signing the informed consent.
9. Patients not suitable for the study according to the investigator's assessment.
Minimum Eligible Age

16 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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The Second People's Hospital of Huai'an

OTHER

Sponsor Role collaborator

The First Affiliated Hospital of Soochow University

OTHER

Sponsor Role lead

Responsible Party

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Sheng-Li Xue, MD

Prof.

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Sheng-Li Xue, M.D.

Role: PRINCIPAL_INVESTIGATOR

The First Affiliated Hospital of Soochow University

Locations

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The First Affiliated Hospital of Soochow University

Suzhou, Jiangsu, China

Site Status

Countries

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China

Other Identifiers

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SZRRAL01

Identifier Type: -

Identifier Source: org_study_id

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