Sequential Infusion of Anti-CD19 and Anti-CD20 CAR-T Cells Against Relapsed and Refractory B-cell Lymphoma

June 29, 2017 updated by: Shanghai Longyao Biotechnology Inc., Ltd.

Sequential Infusion of Anti-CD19 and Anti-CD20 Chimeric Antigen Receptor(CAR) T Cells Against Relapsed and Refractory B-cell Lymphoma

Cluster of differentiation antigen 19(CD19) specifically presents in B lymphocyte cell lines steadily,while not in most normal tissue,including pluripotent hematopoietic stem cells.Cluster of differentiation antigen 20(CD20) presents in 90% of B-cell lymphomas.CD19 antigen is a well-established target for B-cell lymphomas treatment as well as CD20 antigen.Both CD19-targeting CAR T Cells and CD20-targeting CAR T Cells can be used as adoptive cellular immunotherapies for B-cell lymphomas.Though two kinds of single target treatments were proved can induce recession of B-cell lymphomas, the risk of cancer cells to escape and tumor recurrence are still existed. There are no report about combination transfer of two kinds of single target treatments.This research aimed emphasis on safety and therapeutic efficacy evaluation,as well as if combination transfer can decrease recurrence rate.

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

To determine:

Primary Outcome Measure:

The Overall complete remission rate and one-year survival rate of combination transfer of CD19-targeting CAR T Cells and CD20-targeting CAR T Cells is superior to or at least not worse than two kinds of single target treatments in the treatment of CD19+/CD20+ B-cell lymphomas.

The risk of cancer recurrence in a year of combination transfer of CD19-targeting CAR T Cells and CD20-targeting CAR T Cells is inferior to two kinds of single target treatments.

Secondary Outcome Measures:

Evaluate the initial effect time, time to disease progression, and life quality improvement of combination transfer compare to single target treatments.

Evaluate the safety and tolerability of combination transfer compare to single target treatments by observation of high fever duration in patients and testing related cell factor level in peripheral blood.

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.
20

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 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 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
    • Jingan
      • Shanghai, Jingan, China, 200072
        • Recruiting
        • Shanghai Longyao Biotechnology Inc., Ltd.
        • 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

14 years to 66 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • 18 Years to 70 Years, Male and female
  • Survival time>12 weeks
  • B cell lymphomas diagnosed by Physical examination,pathological examination,Laboratory tests and imaging tests
  • Chemotherapy failure or recurrent B cell lymphomas
  • Creatinine< 2.5mg/dl
  • Glutamic-pyruvic transaminase, glutamic oxalacetic transaminase< 3 fold of normal level
  • Bilirubin<2.0mg/dl
  • Karnofsky Performance Status>50% at the time of screening
  • Adequate pulmonary, renal, hepatic, and cardiac function
  • Fail in autologous or allogenic haemopoietic stem cell transplantation
  • Free of leukocytes removal contraindications
  • Voluntarily join CAR-T clinical trial
  • Understand and sign written informed consent

Exclusion Criteria:

  • Pregnant or nursing women or women with pregnancy plan in half a year
  • Any infectious disease (HIV, active tuberculosis, ect.)
  • Active hepatitis B, active hepatitis C infection
  • Feasibility assessment proves that the efficiency of transduction of lymphocyte is below 10% or the lymphocyte amplification is below 5 fold with the costimulation of cluster of differentiation 3(CD 3)and cluster of differentiation 8(CD 8)
  • Abnormal vital signs or cannot cooperate with the inspectors
  • mental or psychological disease cannot cooperate with treatment and curative effect evaluation
  • Highly allergic constitution or history of severe allergies, especially allergy to interleukin-2(IL-2)
  • General infection or local severe infection, or other infection that is not controlled
  • Dysfunction in lung, heart, kidney and brain
  • Severe autoimmune diseases
  • Other symptoms that are not applicable for CAR-T

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
  • Interventional Model: Sequential 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: Mixed CD19/CD20 CAR-T Transfer
Subjects with CD19+/CD20+ B-cell lymphomas will be infused with CD19-targeting CAR T Cells and CD20-targeting CAR T Cells in one time or in parts
Biological: Mixed CD19/CD20 CAR-T Transfer
Autologous CD19 CAR-T cells and CD20 CAR-T cells with average 1-5*10^6 cells/kg body weight,separately.

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
Overall complete remission rate
Time Frame: Half a year
The complete remission rate will be evaluated by routine methods.
Half a 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
The initial effect time
Time Frame: 1 year
The initial effect time will be recorded.
1 year
The one-year survival rate
Time Frame: 1 year
The one-year survival rate will be recorded.
1 year
The safety and the tolerability(incidence of treatment-emergent adverse events defined as dose-limited toxicity)
Time Frame: 1 month
Number of participants with treatment-related adverse events as assessed by CTCAE v4.0.
1 month
The time to disease progression
Time Frame: 1 year
The time to disease progression will be counted after complete remission.
1 year
The one-year recurrence
Time Frame: 1 year
The one-year recurrence will be counted after complete remission.
1 year
The life quality improvement
Time Frame: 1 year
The life quality improvement will be evaluated by appetite,sleep,pain and mental state.
1 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.
Shanghai Longyao Biotechnology Inc., Ltd.

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.
Xuzhou Medical University
Shanghai Jiao Tong University School 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.
  • Principal Investigator: Shengqin Ye, M.D., Shanghai Longyao Biotechnology Inc., Ltd.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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 (Actual)

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 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.
February 28, 2019

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.
February 28, 2020

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).
June 23, 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.
June 29, 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.
July 2, 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.
July 2, 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.
June 29, 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.
June 1, 2017

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.
  • LYCT-1701

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

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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