Prophylaxis of Graft-versus-host Disease With Anti-CD25 Antibody in Patients Underwent HSCT

March 26, 2024 updated by: Wang Xin

The Study of Anti-CD25 Antibody for Prophylaxis of GVHD in Patients Underwent Haploid Transplantation Conditioning With Low-dose ATG

The risk of Graft-versus-host Disease(GVHD) is significantly associated with the mortality rate of patients undergoing allogeneic hematopoietic stem cell transplantation. The occurrence of GVHD increases the hospitalization rate and economic burden of patients. In order to explore better methods for controlling GVHD, we designed a clinical trial using CD25 monoclonal antibody for GVHD prevention. Our previous studies have shown that reduced-dose anti-thymocyte globulin(ATG) in the conditioning regimen can achieve the same effect as full-dose ATG. Here, we try to explore the preventive effect of CD25 antibody on acute and chronic GHVD under low-dose ATG pretreatment condition.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Not yet recruiting

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.

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 (Estimated)

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.
40

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

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.
  • Name: Xiaosheng Fang
  • Phone Number: 8615168889703 8615168889703
  • Email: fxsh_1010@126.com

Study Locations

  • China
    • Shandong
      • Jinan, Shandong, China, 250021
        • Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University
        • Contact:
        • Contact:

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

  • Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Patients with a clear diagnosis of hematologic disease, weighing ≥30kg, aged 18-60, of any gender and race;
  • Willing to undergo haploidentical hematopoietic stem cell transplantation;
  • Voluntarily participate in this study;
  • Each subject must sign an informed consent form (ICF) indicating their understanding of the purpose and procedures of the study, and their willingness to participate. Considering the patient 's condition, if the patient' s signature is unfavorable for disease treatment, the informed consent form should be signed by the legal guardian or the patient 's immediate family member.

Exclusion Criteria:

  • Those with severe organ dysfunction or diseases, such as heart, liver, kidney, and pancreatic diseases;
  • Patients who cannot tolerate CD25 monoclonal antibody treatment;
  • Subjects and/or authorized family members who refuse allo-HSCT treatment;
  • Any life-threatening diseases, physical conditions, or organ system dysfunctions that the researcher believes may jeopardize the safety of the subject and pose unnecessary risks to the study; drug dependence; uncontrolled mental illness in subjects; cognitive dysfunction;
  • Those who have participated in other similar clinical studies within the past 3 months;
  • Those deemed unsuitable for inclusion by the researcher (such as patients expected to be unable to adhere to treatment due to financial issues, etc.).

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: Prevention
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

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.
Other: control group
Drug: low-dose ATG
HSCT pre-treatment with 7.5mg/Kg ATG(2.5mg/Kg/d) at day -4, -3 and -2.
Experimental: CD25 treatment
The humanized CD25 antibody was administered at 1 mg/kg iv on days+4 and +7 after HSCT.
Drug: CD25 treatment
CD25 prophylaxis
Drug: low-dose ATG
HSCT pre-treatment with 7.5mg/Kg ATG(2.5mg/Kg/d) at day -4, -3 and -2.

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
The incidence of aGVHD
Time Frame: 100 days after HSCT
The time of aGVHD occurrence
100 days after HSCT
The incidence of cGVHD
Time Frame: 1 year after HSCT
The time of cGVHD occurrence
1 year after HSCT

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
the time of immune reconstitution in haploidentical transplant
Time Frame: 2 years after HSCT
the time of immune reconstitution in haploidentical transplant
2 years after HSCT
the time of infection occurrence
Time Frame: 2 years after HSCT
The incidence of infection
2 years after HSCT
the time of donor cell engraftment
Time Frame: 2 years after HSCT
the effect of experimental protocol to engraftment
2 years after HSCT
the time of disease relapse
Time Frame: 2 years after HSCT
the effect of experimental protocol to disease relapse
2 years after HSCT
the time of death of transplant patient
Time Frame: 2 years after HSCT
the overall survival of patients
2 years after HSCT

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.
Wang Xin

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.
  • Study Chair: Xin Wang, Shandong Provincial Hospital

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 (Estimated)

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.
March 26, 2024

Primary Completion (Estimated)

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.
March 26, 2026

Study Completion (Estimated)

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.
March 26, 2026

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).
March 11, 2024

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.
March 26, 2024

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.
March 28, 2024

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.
March 28, 2024

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.
March 26, 2024

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.
March 1, 2024

More Information

Terms related to this study

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.
  • SWYX:NO.2022-1028

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

We need to collect data during the experiment for a more comprehensive sharing.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

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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