Chimeric Antigen Receptor T-cells for the Treatment of AML Expressing CLL-1 Antigen

Description

Patients eligible for this study have a type of blood cancer Acute Myeloid Leukemia (AML) which has come back or has not gone away after treatment. The body has different ways of fighting disease and infection, and this research study combines two different ways of fighting cancer with antibodies and T cells with the hope that they will work together. T cells (also called T lymphocytes) are special infection-fighting blood cells that can kill other cells including tumor cells. Antibodies are types of proteins that protect the body from bacterial and other infectious diseases. Both antibodies and T cells have been used to treat patients with cancers; they have shown promise, but have not been strong enough to cure most patients when used alone. T lymphocytes can kill tumor cells but there normally are not enough of them to kill all the tumor cells. Some researchers have taken T cells from a person's blood, grown more of them in the laboratory and then given them back to the person. The antibody used in this study targets CLL-1. This antibody sticks to AML cells because of a substance (protein) on the outside of these cells called CLL-1. For this study, the antibody to CLL-1 has been changed so that instead of floating free in the blood, it is now joined to the T cells. When T-cells contain an antibody that is joined to them, they are called chimeric antigen receptor T-cells or CAR-T cells. In the laboratory, the investigators have also found that T cells work better if proteins that stimulate T cells are also added, such as one called CD28. Adding the CD28 makes the cells grow better and last longer in the body, thus giving the cells a better chance of killing the leukemia or lymphoma cells. In this study we are going to attach the CLL-1 chimeric receptor that has CD28 added to it to the patient's T cells. We will then test how long the cells last. These CLL-1 chimeric antigen receptor T cells with CD28 are investigational products not approved by the Food and Drug Administration.

Conditions

Acute Myeloid Leukemia

Study Overview

Study Details

Study overview

Patients eligible for this study have a type of blood cancer Acute Myeloid Leukemia (AML) which has come back or has not gone away after treatment. The body has different ways of fighting disease and infection, and this research study combines two different ways of fighting cancer with antibodies and T cells with the hope that they will work together. T cells (also called T lymphocytes) are special infection-fighting blood cells that can kill other cells including tumor cells. Antibodies are types of proteins that protect the body from bacterial and other infectious diseases. Both antibodies and T cells have been used to treat patients with cancers; they have shown promise, but have not been strong enough to cure most patients when used alone. T lymphocytes can kill tumor cells but there normally are not enough of them to kill all the tumor cells. Some researchers have taken T cells from a person's blood, grown more of them in the laboratory and then given them back to the person. The antibody used in this study targets CLL-1. This antibody sticks to AML cells because of a substance (protein) on the outside of these cells called CLL-1. For this study, the antibody to CLL-1 has been changed so that instead of floating free in the blood, it is now joined to the T cells. When T-cells contain an antibody that is joined to them, they are called chimeric antigen receptor T-cells or CAR-T cells. In the laboratory, the investigators have also found that T cells work better if proteins that stimulate T cells are also added, such as one called CD28. Adding the CD28 makes the cells grow better and last longer in the body, thus giving the cells a better chance of killing the leukemia or lymphoma cells. In this study we are going to attach the CLL-1 chimeric receptor that has CD28 added to it to the patient's T cells. We will then test how long the cells last. These CLL-1 chimeric antigen receptor T cells with CD28 are investigational products not approved by the Food and Drug Administration.

Chimeric Antigen Receptor T-cells for the Treatment of Acute Myeloid Leukemia Expressing CLL-1 Antigen

Chimeric Antigen Receptor T-cells for the Treatment of AML Expressing CLL-1 Antigen

Condition
Acute Myeloid Leukemia
Intervention / Treatment

-

Contacts and Locations

Houston

Texas Children's Hospital, Houston, Texas, United States, 77030

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.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • 1. Diagnosis of primary refractory or relapsed Acute Myeloid Leukemia (AML) with the exception of acute promyelocytic leukemia (APL) AND suitable for consideration of allogeneic Hematopoietic Stem Cell Transplant with confirmation of an identified eligible donor by a FACT accredited transplant center
  • 2. CLL-1 positive tumor with at least 30% CLL-1 blasts by flow cytometry or immunohistochemistry (tissue) assessed by a CLIA certified Flow Cytometry/Pathology laboratory
  • 3. Age ≤75 years NOTE: The first six (6) patients treated on the study will be adults (≥18 yrs of age).
  • 4. Hgb ≥ 7.0 g/dL(can be transfused)
  • 5. Life expectancy greater than 12 wks
  • 6. If apheresis required to collect blood
  • * PT and APTT \<1.5x ULN
  • * Serum Creatinine \< 1.5 x ULN
  • * AST \< 1.5 x ULN
  • 7. Informed consent
  • 1. Diagnosis of acute promyelocytic leukemia (APL)
  • 2. Active infection (bacterial, fungal or viral) requiring ongoing treatment without improvement.
  • 3. Active infection with HIV or HTLV (results may be pending)
  • 4. Active second cancer (except non-melanoma skin cancer or in situ breast cancer or cervix cancer)or other cancer treated ≤ 2 years prior to enrollment
  • 5. Ongoing treatment with immune suppression for prophylaxis or treatment of GVHD including high dose steroids (e.g. prednisone \> 0.25mg/kg)

Ages Eligible for Study

to 75 Years

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

Baylor College of Medicine,

LaQuisa Hill, MD, PRINCIPAL_INVESTIGATOR, Cell and Gene Therapy, Baylor College of Medicine

Study Record Dates

2038-07-31