Anti-Human CD45 Monoclonal Antibodies in Patients With Advanced Leukemia Prior to Allogeneic Stem Cell Transplantation (ADVL)

January 15, 2020 updated by: Robert Krance, Baylor College of Medicine

Phase I Study of Anti-Human CD45 Monoclonal Antibodies in Patients With Advanced Leukemia Prior to Allogeneic Stem Cell Transplantation (ADVL)

Participants in this study have a hematologic malignancy which is a disorder in the bone marrow that affects the body's ability to create blood. Participants might benefit from receiving an allogeneic stem cell transplant (meaning the cells come from a donor). The participants donor is a family member. Stem cells are cells in the bone marrow and blood that can form a whole new blood system.

Study Overview

Status

Status

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

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

Patients are given high doses of chemotherapy before receiving a stem cell transplant to keep their immune system from rejecting the donor stem cells and to kill any diseased cells that remain in the body. To try and improve on the results of transplants that use high dose chemotherapy alone, we are adding an agent called anti-CD45 to the treatment prior to the stem cell transplant. Anti-CD45 is an antibody that specifically finds and destroys leukemia cells.

Patients will receive the anti-CD45 with high dose chemotherapy (including Ara-C and Cyclophosphamide) and radiotherapy. Patients will also receive Mesna which is a drug that helps prevent bladder damage which can be caused by the cyclophosphamide. High dose radiotherapy is also known as Total Body Irradiation or TBI.

Patients will receive the anti-CD45, high dose chemotherapy, and high dose radiotherapy before the stem cell transplant. We expect participation in this study will last 2 years.

A summary of the treatment follows:

  • Day - 7: Ara-C, Cyclophosphamide, Mesna
  • Day - 6: Ara-C, Cyclophosphamide, Mesna
  • Day - 5: Ara-C, Anti-CD45
  • Day - 4: Anti-CD45, TBI
  • Day - 3: Anti-CD45, TBI
  • Day - 2: Anti-CD45, TBI
  • Day - 1: TBI
  • Day 0: Stem Cell Infusion (transplant)

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 (Actual)

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.
6

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 1

Contacts and Locations

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

Study Locations

  • United States
    • Texas
      • Houston, Texas, United States, 77030
        • The Methodist Hospital
      • Houston, Texas, United States, 77030
        • Texas Children's Hospital

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

No older than 45 years (Child, Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. Patients with advanced leukemia or other hematologic malignancy including AML, ALL, CML, and MDS. Advanced features include: a) Induction failure, prolonged induction beyond 6 weeks b) Incomplete response to salvage therapy c) CML in blast crisis or acute leukemia in chemotherapy resistant relapse d) secondary leukemia or secondary myelodysplastic disease
  2. Patients must have a suitable HLA identical sibling donor or 5/6 matched related donor, or fully matched or 5/6 matched unrelated donor, or haploidentical related donor.

Exclusion Criteria:

1. Patients with a life expectancy (2X normal for age) 7. Patients with known allergy to rat serum products 8. Patients with a Lansky score <60% or Karnofsky score <60%. 9. Patients with severe infection that on evaluation by the PI precludes ablative radio/chemotherapy or successful transplantation. 10. Patients with sever personality disorder or mental illness. 11. Patients with documented HIV positivity 12. 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: N/A
  • Interventional Model: Single Group 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.
Experimental: 1
Drug: CAMPATH-1H
Day-8 through Day-6 according to institutional SOPs
Drug: Anti-CD45
Day-5 400 μg/kg
Drug: Ara-C
day-7 through day-5 3000 mg/m2 q 12h
Drug: Cyclophosphamide
Day-7 through Day-6 45 mg/kg
Drug: Mesna
Days -7 and -6 45 mg/kg divided into 5 doses
Radiation: Total Body Irradiation
150 cGy x 2 (5/6 matched related) 180 cGy x 2 (5/6 matched unrelated)

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
Time Frame
To evaluate the toxicity and the anti-tumor activity of anti-human CD45 antibodies (anti-CD45) administered to patients with relapsed/resistant leukemia prior to bone marrow transplantation.
Time Frame: 28 days and 100 days post transplant
28 days and 100 days post transplant

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
Time Frame
To describe the effects of anti-CD45 on normal hematopoiesis and on complement levels and to describe the effects of anti-CD45 on leukemic blast cells.
Time Frame: 100 days post transplant
100 days post transplant

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.
Baylor College of Medicine

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 Methodist Hospital Research Institute
Center for Cell and Gene Therapy, Baylor College of Medicine

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: Malcolm K Brenner, MD, Baylor College of Medicine

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

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.
February 1, 2003

Primary Completion (Actual)

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.
October 1, 2009

Study Completion (Actual)

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.
October 1, 2009

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 26, 2003

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 27, 2003

First Posted (Estimate)

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, 2003

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.
January 18, 2020

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.
January 15, 2020

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.
January 1, 2020

More Information

Terms related to this study

Keywords

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.
  • H12870
  • ADVL

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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