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CAR-T cells combined with Eps8 peptide specific dendritic cell,or CAR-T cells combined with WT1 peptide specific dendritic cell

After pretreatment, chimeric antigen receptor T cells will be transfused.

Chimeric antigen receptor T cells

After transfusion of chimeric antigen receptor T cells, Eps8 or WT1 peptide specific dendritic cell were intradermal injected.

peptide specific dendritic cell

Sanfang Tu, M.D, Ph.D

Yanjie He, M.D, Ph.D

Yuhua Li, M.D, Ph.D

The main purpose of this study is to verify the safety and potential effectiveness of CART cells combined with peptide specific dendritic cell in relapsed/refractory leukemia.

A prospective study to evaluate the safety and efficacy of Chimeric antigen receptor T cells combined with Eps8 or WT1（Wilms tumor 1） peptide specific dendritic cell for patients with relapsed/refractory leukemia. There are options for CAR-targets: CD19, CD20, CD22 and CD10 for acute lymphoblastic leukemia; CD33, CD38 CD56, CD117, CD123, CD34 and Muc1 for acute myeloid leukemia and Myelodysplastic Syndrome. Progression free survival, overall Survival, overall response rate, and duration of response were monitored.

CAR-T Cells Combined With Peptide Specific Dendritic Cell in Relapsed/Refractory Leukemia/MDS

A Clinical Study of Chimeric Antigen Receptor T Cells Combined With Eps8 Peptide Specific Dendritic Cell for Patients With Relapsed/Refractory Leukemia and Myelodysplastic Syndromes

Incidence and severity of cytokine release syndrome(CRS): The systemic inflammatory response in patients with significantly increased IL-6 and other cytokines during the observation period is defined as CRS, which is divided into 1-5 grades, 1-2 Grade is mild, grade 3-5 is severe

Time from random to the first occurrence of disease progression.

Time from randomization to death due to any cause

The proportion of the total number of patients with complete remission and partial remission (CR+PR) after treatment in the total number of evaluable cases

During the observation period, the time between complete remission of bone marrow (the ratio of bone marrow blast cells is less than 5%) to the recurrence of bone marrow (the ratio of bone marrow blast cells is greater than 5%) is the continuous remission time.

Shenzhen Geno-Immune Medical Institute

Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

Zhujiang Hospital

Urinary Tract, Sexual Organs, and Pregnancy Conditions

Diseases and Abnormalities at or Before Birth

Hematologic Neoplasms

Leukemia, Myelogenous, Chronic, BCR-ABL Positive

Hodgkin Disease

Wilms Tumor

Lymphoma, Non-Hodgkin

Myeloproliferative Disorders

Chronic Disease

Myeloid Leukemia

Acute Myeloid Leukemia

Chronic Graft Versus Host Disease

Acute Non Lymphoblastic Leukemia

Chronic Myeloid Leukemia

Hodgkin Lymphoma

Wilms' Tumor

Chronic Myeloproliferative Disorders

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Acetaminophen

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Sargramostim

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Diphenhydramine

Promethazine

Interleukin-4

Keyhole-limpet hemocyanin

Adjuvants, Vaccine

Analgesics, Non-Narcotic

Hypnotics and Sedatives

Anesthetics

Anesthetics, Local

Histamine H1 Antagonists

Histamine

Histamine phosphate

Histamine Antagonists

Neurotransmitter Agents

Adjuvants, Immunologic

Immunologic Factors

Related and unrelated donors undergo lymphapheresis to prepare cellular vaccines and to donate lymphocytes for infusion.

Participants receive donor lymphocytes and vaccines prepared from donors.

WT1 Peptide-Pulsed Dendritic Cells

Lymphocytes from donors (related or unrelated) collected via lymphapheresis.

Donor Lymphocytes

water-soluble protein; this study will use GMCSF (granulocyte macrophage colony stimulating factor)/IL-4 generated monocyte derived dendritic cells

IL-4

Neoantigen known to induce helper responses; will be used concurrently as a vaccine adjuvant and control antigen.

WT1 Peptides

Purified lipopolysaccharide prepared from E.Coli 0:113

Endotoxin

Terry J Fry, M.D.

Background:

* Most patients with acute lymphoblastic leukemia (ALL) and many patients with acute myelogenous leukemia (AML), chronic myelogenous leukemia (CML) and non-Hodgkin's lymphoma (NHL) have a protein called Wilm's Tumor 1 (WT1) in their cancer cells. This protein is thought to be able to influence the growth of these cancers.
* A vaccine made with the WT1 protein may boost the immune system to help fight these cancers in patients whose cancer cells contain the protein.

Objectives:

* To determine the safety, effectiveness and side effects of giving the WT1 vaccine and donor white blood cells to patients with AML, ALL, CML or NHL who have previously received standard treatment and undergone stem cell transplantation.
* To determine the immune response to the WT1 vaccine and donor white blood cells in these patients and to determine if the response is related to the amount of WT1 protein in the patient's cancer cells.

Eligibility:

* Patients between 1 and 75 years of age with the blood antigen human leukocyte antigen (HLA-A2) and the WT1 cancer protein who have persistent or recurrent blood cancers after stem cell transplantation.
* The prior stem cell transplant donor must be willing to provide additional cells, which will be used to prepare the cellular vaccines and for donor lymphocyte (white blood cell) infusions.

Design:

* Patients are given the WT1 vaccine every 2 weeks for 6 weeks (weeks 0, 2, 4, 6, 8, 10). Each vaccination consists of two injections in the upper arm or thigh.
* On weeks 0, 4 and 8, patients also receive white blood cells from a donor to enhance the immune response. The cells are also given as a 15- to 30-minute infusion through a vein about 1 hour after the vaccine injection. Donor infusions are given only to patients with mild or no graft-vs-host disease resulting from their prior stem cell transplantation.
* Periodic physical examinations, blood and urine tests, scans to evaluate disease and other tests as needed are done for 12 months after enrollment in the study.

Background:

* Efforts to incorporate anti-tumor immunotherapy at stages of minimal residual disease (MRD) burden are limited by profound host immune depletion associated with standard anti-cancer therapies.
* Allogeneic blood and marrow stem cell transplantation (SCT) can be curative for a number of hematologic malignancies. Part of the success of this approach is an allogeneic immunologic reaction that has been demonstrated to play a role in the eradication of residual malignant disease after transplant in certain cancers (the so called graft-versus-leukemia, GVL, or graft-versus-tumor, GVT, effect). Nonetheless, relapse remains the primary cause of treatment failure after allogeneic SCT.
* The Wilm's tumor 1 (WT1) gene product is a tumor-associated antigen that represents a potential target for immunotherapy in a wide array of cancers. WT1 is expressed in most cases of acute leukemia and in many cases of chronic myelogenous leukemia and myelodysplastic syndromes. Importantly, WT1 has limited expression in normal tissues beyond embryogenesis. This trial represents an attempt to incorporate antigen-specific immunotherapy in the setting of allogeneic adoptive cell transfer.

Objectives:

* To determine the safety, toxicity, and feasibility of donor-derived dendritic cell vaccination and donor lymphocyte infusion (DLI) after allogeneic SCT.
* To determine the frequency and severity of graft-vs.-host disease (GVHD) in patients treated with peptide-loaded donor-derived dendritic cell vaccination and donor lymphocyte infusion (DLI).
* To evaluate whether immunologic responses to WT1-specific peptides can be generated by peptide-loaded donor-derived dendritic cell vaccination and DLI after allogeneic SCT.
* To evaluate whether clinical responses to WT1-specific peptides can be generated by peptide-loaded donor-derived dendritic cell vaccination and DLI after allogeneic SCT.
* To evaluate whether immunologic and/or clinical responses may be associated with the degree of WT1 expression by malignant cells or pre-existing donor anti-WT1 immunity.

Eligibility:

* HLA-A2 plus patients may be enrolled on this trial if they have relapsed or residual disease following allogeneic SCT for a WT1 expressing hematologic malignancy.
* Donors from the previous SCT, related or unrelated, must be 5- or 6- antigen genotypic HLA-matched (single HLA-A or B locus mismatch allowed) and HLAA2 plus.

Design:

* This is a pilot study, the primary aim of which is to assess safety and feasibility of this novel vaccine strategy aimed to enhance the GVL effect after allogeneic SCT.
* Donor-derived dendritic cells prepared from peripheral blood monocytes will be loaded with a combination of three WT1-derived peptides. These peptides are each comprised of one WT1-derived oligomeric epitope known to bind to HLA-A2 and an 11-mer protein transduction epitope known to enhance peptide loading and antigen presentation.
* Patients will receive donor-derived dendritic cell vaccines every 14 days for 6 doses. Donor leukocyte infusions (DLI) will also be administered with the vaccine.
* Study endpoints will include toxicity, feasibility, antigen-specific immunity, and disease response.
* This is an exploratory pilot trial. Up to 12 patients will be treated.
* Stopping rules will take effect if excessive toxicity (e.g., GVHD) or inability to generate vaccines are observed.

Wilm's Tumor 1 Protein Vaccine to Treat Cancers of the Blood

A Pilot Trial of WT1 Peptide-Loaded Allogeneic Dendritic Cell Vaccine and Donor Lymphocyte Infusion for WT1-Expressing Hematologic Malignancies

Here is the number of participants with adverse events. For details of the adverse events, see the adverse event module.

Acute Graft versus Host Disease (GVHD) was graded by the modified Glucksberg scale. 0 = no GVHD normal, 4 = severe GVHD.

Immune response was monitored by use of interferon gamma Enzyme-Linked Immunospot (ELISpot) and by delayed-type hypersensitivity (DTH) testing.

WT1 expression of the hematologic malignancy was confirmed by either having greater than 15% of malignant cells react with anti-WT1 by immunohistochemistry or by having a positive quantitative reverse transcription polymerase chain reaction (RT-PCR) of WT1 compared with a negative control.

WT1 expression of the hematologic malignancy was confirmed by either having greater than 15% of malignant cells react with anti-WT1 by immunohistochemistry or by having a positive quantitative reverse transcription polymerase chain reaction (RT-PCR) of WT1 compared with a negative control. DTH skin testing was performed using KLH and with a cocktail of WT1 peptides as 2 separate injections. Enzyme-Linked Immunospot (ELISpot) was performed against each peptide and was considered positive if results were at least 10 spots above background on at least 2 measurements. DTH was considered positive if there was at least .5cm induration 48 to 72 hours after placement.

KLH is a neoantigen known to induce helper response was used concurrently as a vaccine adjuvant and control antigen. DTH skin testing was performed using KLH and with a cocktail of WT1 peptides as 2 separate injections. Enzyme-Linked Immunospot (ELISpot) was performed against each peptide and was considered positive if results were at least 10 spots above background on at least 2 measurements. DTH was considered positive if there was at least .5cm induration 48 to 72 hours after placement.

Progressive disease is at least a 20% increase in the sum of the longest diameter of all target lesions (i.e. tumor response). Response criteria for acute leukemia's is worse marrow classification (i.e., M status) with at least a 50% increase in the percentage of marrow blasts, or no change in marrow classification (i.e., M status), but a 50% or greater increase in absolute peripheral blast count or extent of medullary disease

National Cancer Institute (NCI)

Principal Investigator

Only recipients were monitored for adverse events.

Recipients

Donor lymphocyte collection via apheresis.

Donors

Total

Age, Categorical

Age, Continuous

Sex: Female, Male

Ethnicity (NIH/OMB)

Race (NIH/OMB)

United States

Region of Enrollment

Hodgkin

ALL, acute lymphocytic leukemia; AML, acute myeloid leukemia.

Disease

MA x 2

NMA, nonmyeloablative; MA, myeloablative; MAx2, myeloablative conditioning. This is standard terminology in the transplant field and refers to pre-transplant chemotherapy/radiation doses that require stem cell rescue.

Transplantation Type

MRD*

MSD, matched sibling donor; MRD\*, matched related donor. MRD\* was a 10/10 matched related parent for both transplantations. the first used marrow and the second used peripheral blood stem cells.; MUD, matched unrelated donor.

Fludarabine/cyclophosphamide

Cyclophosphamide, TBI, thiotepa

HSCT1:cyclo,TBI;HSCT2:busulfan, melphalan, etop

Cyclophosphamide, TBI

TBI, total body irradiation; cyclo, cyclophosphamide; etop, etoposide; HSCT, hematopoietic stem cell transplant

Conditioning Regimen

Cyclosporine

Sirolimus/tacrolimus, methotrexate

None after second BMT

Immunosuppression

Patient 1

Patient 2

Patient 3

Patient 4

Patient 5

Time Off Immunosuppression before Protocol Enrollment

6%-8% blasts

Multiple 1-2cm lymph nodes

5%-10% blasts

2% blasts

5% blasts

Pre-Enrollment Disease Status

Time to HCT to Relapse, mo

Time to First Vaccine (from day 0 of HCT), mo

Dr. Terry Fry

Toxicity

Data for the frequency and severity of GVHD was captured as an endpoint for this trial. The donor arm is not included here because they were not evaluated for this outcome measure; recipients only.

Number of Participants With Graft Versus Host Disease (GVHD) Greater Than or Equal to Grade 3

Period 1 - Vaccine and donor lymphocyte prep Period 2 - Vaccine and donor lymphocyte administration.

The donor arm is not included here because they were not evaluated for this outcome measure; recipients only.

Time to Immune Response

Positive

Negative

Wilm's Tumor 1 (WT1) Enzyme-Linked Immunospot (ELISpot)

NA (Not available)

Wilm's Tumor (WT1) Delayed-type Hypersensitivity (DTH)

Keyhole Limpet Hemocyanin (KLH) Delayed-type Hypersensitivity (DTH)

Number of Participants With Progressive Disease

Period 1 -Donor lymphocyte collection via apheresis. Period 2 -Donor cell processing for vaccine and infusion.

Period 1

Period 2

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization
CAR-T Cells Combined With Peptide Specific Dendritic Cell in Relapsed/Refractory Leukemia/MDS	NCT03291444	Leukemia, Acute... Leukemia, Acute... Myelodysplastic...	Chimeric antige... peptide specifi...	18 Years - 80 Years	Zhujiang Hospital
Wilm's Tumor 1 Protein Vaccine to Treat Cancers of the Blood	NCT00923910	Leukemia, Acute... Leukemia, Acute... Leukemia, Chron... Myelodysplastic... Non-Hodgkin's L...	WT1 Peptide-Pul... Donor Lymphocyt... IL-4 KLH WT1 Peptides Endotoxin Diphenhydramine Acetaminophen	1 Year - 74 Years	National Institutes of Health Clinical Center (CC)
CAR-T Cells Combined With Peptide Specific Dendritic Cell in Relapsed/Refractory Leukemia/MDS	NCT03291444	Leukemia, Acute... Leukemia, Acute... Myelodysplastic...	Chimeric antige... peptide specifi...	18 Years - 80 Years	Zhujiang Hospital
CAR-T Cells Combined With Peptide Specific Dendritic Cell in Relapsed/Refractory Leukemia/MDS	NCT03291444	Leukemia, Acute... Leukemia, Acute... Myelodysplastic...	Chimeric antige... peptide specifi...	18 Years - 80 Years	Zhujiang Hospital

Spots Global Cancer Trial Database for leukemia, acute myelogenous (aml)