Low Dose Decitabine + Modified BUCY Conditioning Regimen for High Risk Acute Myeloid Leukemia Undergoing Allo-HSCT

August 18, 2017 updated by: The First Affiliated Hospital of Soochow University
The purpose of this prospective, open-label, randomized multicenter study is to evaluate the safety and efficacy of low dose decitabine in combination with modified BUCY vs modified BUCY as a myeloablative conditioning regimen for high-risk patients with acute myeloid leukemia (AML) undergoing allogeneic hematopoietic stem cell transplantation (Allo-HSCT).

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Unknown

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Allo-HSCT is the most effective treatment stratagey for high risk acute myeloid leukemia. At present, modified BUCY is the standard conditioning regimen for AML undergoing allo-HSCT in our institute. However, relapse occured in as high as 30-50% high risk AML patients after allo-HSCT. Thus, the best conditioning regimen for this subgroup remains to be optimized. Low dose decitabine in combination with chemotherapy have been shown to improve comple remission rate of high risk AML patients. To reduce the relapse rate after allo-HSCT, low dose decitabine is added in the modified BUCY regimen. In this study, the safety and efficacy of low dose decitabine + modified BUCY vs modified BUCY myeloablative conditioning regimens in high risk undergoing allo-HSCT are evaluated.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
90

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2
  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Contact Backup

Study Locations

  • China
    • Jiangsu
      • Suzhou, Jiangsu, China, 215000
        • Recruiting
        • the First Affiliated Hospital of Soochow University
        • Contact:
        • Principal Investigator:
          • Depei Wu, MD

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

12 years to 60 years (Child, Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Age 12 to 60 years.
  • Diagnosis of high-risk acute myeloid leukemia at the time of transplant. ("High-risk" AML features are defined by the following: relapsed or primary refractory AML; Secondary AML（AML Secondary to myelodysplastic syndrome(MDS) or treatment-related AML); extramedullary leukemia; adverse cytogenetic abnormalities of monosomy 5, monosomy 7, or deletion of 5q; or presence of FLT3 positive internal tandem duplication (FLT3/ITD+), particularly high allelic ratio.)
  • Patient must have adequate pre-transplant organ function.

Exclusion Criteria:

  • Age <12 or >60 years.
  • Uncontrolled bacterial, viral, fungal, or other infection before conditioning regimen.
  • Any other severe concurrent diseases, or have a history of serious organ dysfunction.
  • Pregnant or lactating females.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Decitabine plus Modified BUCY
For high-risk patients with Acute Myeloid Leukemia (AML) undergoing allo-HSCT, The Decitabine plus Modified BuCy regimen consisted of decitabine,semustine,cytarabine, busulfan and cyclophosphamide.
Drug: Decitabine plus Modified BUCY

Decitabine:20 mg/m²/day on day -14 to -10;

Modified BUCY:

  1. Sibling:semustine 250 mg/m²/day on day -9;cytarabine 2 g/m²/day on day -8；busulfan 3.2mg/kg/day on day -7 to -5;cyclophosphamide 1.8g/m²/day on day -4 to -3.
  2. Unrelated:semustine 250 mg/m²/day on day -10;cytarabine 2 g/m²/day on day -9 to -8；busulfan 3.2mg/kg/day on day -7 to -5;cyclophosphamide 1.8g/m²/day on day -4 to -3.
  3. Haploidentical:semustine 250 mg/m²/day on day -10;cytarabine 4 g/m²/day on day -9 to -8；busulfan 3.2mg/kg/day on day -7 to -5;cyclophosphamide 1.8g/m²/day on day -4 to -3.
Active Comparator: Modified BUCY
For high-risk patients with Acute Myeloid Leukemia (AML) undergoing allo-HSCT, The Modified BuCy regimen consisted of semustine,cytarabine, busulfan and cyclophosphamide.
Drug: Modified BUCY
  1. Sibling:semustine 250 mg/m²/day on day -9;cytarabine 2 g/m²/day on day -8；busulfan 3.2mg/kg/day on day -7 to -5;cyclophosphamide 1.8g/m²/day on day -4 to -3.
  2. Unrelated:semustine 250 mg/m²/day on day -10;cytarabine 2 g/m²/day on day -9 to -8；busulfan 3.2mg/kg/day on day -7 to -5;cyclophosphamide 1.8g/m²/day on day -4 to -3.
  3. Haploidentical:semustine 250 mg/m²/day on day -10;cytarabine 4 g/m²/day on day -9 to -8；busulfan 3.2mg/kg/day on day -7 to -5;cyclophosphamide 1.8g/m²/day on day -4 to -3.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
disease-free survival (DFS)
Time Frame: 3 year
time from randomization to the first of reccurrence or death
3 year
overall survival (OS)
Time Frame: 3 year
time from randomization to death from any cause
3 year

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
veno-occlusive disease (VOD)
Time Frame: 3 year
incidence of veno-occlusive disease (VOD) events
3 year
graft-versus-host disease (GvHD)
Time Frame: 3 year
incidence and severity of acute (aGvHD) and chronic graft-versus-host disease (cGvHD)
3 year
transplant related mortality （TRM）
Time Frame: 3 year
cumulative incidence of transplant related mortality
3 year
relapse
Time Frame: 3 year
cumulative incidence of relapse
3 year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
The First Affiliated Hospital of Soochow University

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School
Southeast University, China
Jiangsu University
Xuzhou Medical University

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Depei Wu, MD, the First Affiliated Hospital of Soochow University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Anticipated)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
September 1, 2017

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
September 1, 2020

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
September 1, 2021

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
May 21, 2017

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 18, 2017

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 21, 2017

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 21, 2017

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 18, 2017

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2017

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • DAC+BUCY

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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