B-cell LymphomaPhase 2NCT05755828
Clinical Study of Autologous Stem Cell Transplantation + Anti-CD19 CAR T Cells for B-cell Lymphoma
A Phase 2 study testing ASCT+CAR-T Cell Infusion in people with B-cell Lymphoma, run by The Affiliated Hospital of Xuzhou Medical University at 1 site in China.
Trial summary
To evaluate the CR rate of B-NHL subjects who achieved PR at intermediate assessment after first-line chemotherapy treated with autologous stem cell transplantation + Anti-CD19 CAR T cells. Read more about this study
- Who is it for?
- Ages 18 to 70 years
- Conditions the study is for
- B-cell Lymphoma
- What is being tested?
- ASCT+CAR-T Cell Infusion
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 30 participants
- Where
- 1 siteChina
- Study dates
- 1 Dec 2022to 1 Dec 2024
- Phase
- Phase 2
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 70 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Patients or their legal guardians voluntarily participate and sign the informed consent;
- Male or female patients aged 18-70 years (including 18 and 70 years);
- CD19+ B-NH was confirmed by pathology and histology, and the patient achieved a partial response (PR) by interim assessment after 3-4 courses of first-line chemotherapy;
- B-cell non-Hodgkin lymphoma mainly includes the following two types:
- Diffuse large B-cell lymphoma (DLBCL); Mantle cell lymphoma (MCL); 5. Measurable or evaluable lesions; 6. The patient's main tissues and organs function well:
- Liver function: ALT/AST < 3 times the upper limit of normal (ULN) and total bilirubin ≤34.2μmol/L;
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- Renal function: creatinine < 220μmol/L;
- Lung function: indoor oxygen saturation ≥95%;
- Cardiac function: left ventricular ejection fraction (LVEF) ≥40%. 7. The patient's peripheral shallow venous blood flow is smooth, which can meet the needs of intravenous infusion; 8. Patients with ECOG score ≤2 and expected survival time ≥3 months.
Who cannot join
- Women who are pregnant (urine/blood pregnancy test positive) or breastfeeding;
- Men or women who have planned to become pregnant within the last 1 year;
- The patients were not guaranteed to take effective contraceptive measures (condoms or contraceptives, etc.) within 1 year after enrollment;
- Patients had uncontrollable infectious diseases within 4 weeks prior to enrollment;
- Active hepatitis B/C virus;
- Hiv-infected patients;
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- Suffering from a serious autoimmune disease or immunodeficiency disease;
- The patient is allergic to antibodies, cytokines and other macromolecular biological drugs;
- The patient had participated in other clinical trials within 6 weeks prior to enrollment;
- Systemic use of hormones within 4 weeks prior to enrollment (except for inhaled hormones);
- Suffers from mental illness;
- The patient has substance abuse/addiction;
- According to the researchers' judgment, the patient had other conditions that were not suitable for inclusion.
Trial locations and contacts
1 site in 1 country.
China1 site, 1 recruiting
- Recruiting
The Affiliated Hospital of Xuzhou Medical University
Xuzhou, Jiangsu, 221002
Wei Sang, M.D., Ph.D., 13645207648, xyfylbl515@xzhmu.edu.cn
About this study
Official title: Prospective, Multicenter, Open, One-arm Clinical Study of Safety and Efficacy of Autologous Stem Cell Transplantation + Anti-CD19 CAR T Cells for B-cell Lymphoma
To evaluate the CR rate of B-NHL subjects who achieved PR at intermediate assessment after first-line chemotherapy treated with autologous stem cell transplantation + Anti-CD19 CAR T cells.
Read the detailed description
At present, the incidence of malignant hematological diseases represented by leukemia, lymphoma and multiple myeloma is increasing year by year, ranking in the top ten of tumor incidence and mortality, which greatly endangers people's health and social development . B-cell non-Hodgkin's lymphoma (NHL) is a common aggressive malignant lymphoma. Poor response of some patients to traditional first-line chemotherapy is one of the major problems facing this disease. As a result, researchers are using emerging tools such as high-throughput sequencing to further understand the nature of the disease, refine the classification of the disease, and on this basis develop personalized treatments to improve the prognosis of the disease.
Lymphoma has a complex immunosuppressive microenvironment that may prevent CAR T from achieving sustained precision tumor killing. As a revolutionary immunotherapy strategy, CAR-T therapy is currently faced with some bottleneck problems such as post-treatment relapse (including antigen loss relapse and antigen positive relapse), CAR-T consumption, off-target effect and so on.
At present, autologous stem cell transplantation still plays a pivotal role in high-risk B-NHL. But at the same time, autologous stem cell transplantation is also faced with the age of patients, the influence of minimal residual disease (MRD) status before transplantation, chemotherapy dependence sensitivity, post-transplantation recurrence, post-transplantation granulosis infection and other problems.
In this study, we explored the efficacy and safety of autologous stem cell transplantation combined with Anti-CD19 CAR-T cells in the treatment of B-cell NHL in patients with B-NHL who achieved partial response (PR) in the interim assessment after 3-4 courses of first-line therapy.
- Conditions
- B-cell Lymphoma
- Being tested
- ASCT+CAR-T Cell Infusion
- Keywords
- Anti-CD19 CAR-T, Autologous stem cell transplantation, Combination therapy
- Medical subject headings
- Lymphoma, B-Cell
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
ASCT+CAR-T Cell InfusionBiological
CD19 CAR-T cells were prepared from peripheral lymphocytes of NHL patients with PR after 3 to 4 courses of chemotherapy, and autologous stem cells were collected and frozen after mobilization of patient stem cells by granulocyte stimulating factor (10μg/kg/d*5d). BEAM pretreatment was performed. Autologous stem cells were injected 24 h after pretreatment, and the number of CD34+ cells was > 2*106/kg. On the 6th day after transplantation, autologous Anti-CD19 CAR T cells were transfused, and the dose was determined by the investigator according to the subjects' own disease conditions and in vitro preparation. The patients were given constant intravenous drip/push infusion for 30 minutes.
| Study group | Role | What they receive |
|---|---|---|
| ASCT+CAR-T Cell Infusion | Experimental | CD19 CAR-T cells were prepared from peripheral lymphocytes of NHL patients with PR after 3 to 4 courses of chemotherapy, and autologous stem cells were collected and frozen after mobilization of patient stem cells by granulocyte stimulating factor (10μg/kg/d*5d). BEAM pretreatment was performed. Autologous stem cells were injected 24 h after pretreatment, and the number of CD34+ cells was > 2*106/kg. On the 6th day after transplantation, autologous Anti-CD19 CAR T cells were transfused, and the dose was determined by the investigator according to the subjects' own disease conditions and in vitro preparation. The patients were given constant intravenous drip/push infusion for 30 minutes. Receives: Biological: ASCT+CAR-T Cell Infusion |
What is being measured
The primary outcome is the main question the study is designed to answer.
Complete response rate
Proportion of enrolled patients who achieved complete response after treatment
Measured: From 3 months to 1 year.
Secondary outcomes (2)
overall survival
The time interval between patient infusion of CAR-T and death from any cause or the end of follow-up.
Measured: From 3 months to 1 year.
Progression-free survival
The time between treatment and observation of disease progression or death from any cause.
Measured: From 3 months to 1 year.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted6 Mar 2023
- Study start1 Dec 2022
- Primary completion1 Dec 2024 (estimated)
- Study completion1 Dec 2024 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for B-cell LymphomaStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 30 participants (estimated)
Sponsor and investigators
- Lead sponsor
- The Affiliated Hospital of Xuzhou Medical University
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05755828
- Sponsor's protocol ID
- XYFY2022-KL480-02
- Status last verified
- Feb 2023
- First submitted
- 23 Feb 2023
- Last updated
- 6 Mar 2023
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 6 Mar 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Prospective, Multicenter, Open, One-arm Clinical Study of Safety and Efficacy of Autologous Stem Cell Transplantation + Anti-CD19 CAR T Cells for B-cell Lymphoma
- ClinicalTrials.gov ID
- NCT05755828
- Acronym / sponsor ID
- XYFY2022-KL480-02
- Conditions
- B-cell Lymphoma
- Keywords
- Anti-CD19 CAR-T, Autologous stem cell transplantation, Combination therapy
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 30 participants (estimated)
- Lead sponsor
- The Affiliated Hospital of Xuzhou Medical UniversityUniversity, hospital or other
- Study start
- 1 Dec 2022 (actual)
- Primary completion
- 1 Dec 2024 (estimated)
- Study completion
- 1 Dec 2024 (estimated)
- First posted
- 6 Mar 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
To evaluate the CR rate of B-NHL subjects who achieved PR at intermediate assessment after first-line chemotherapy treated with autologous stem cell transplantation + Anti-CD19 CAR T cells.
Detailed description
At present, the incidence of malignant hematological diseases represented by leukemia, lymphoma and multiple myeloma is increasing year by year, ranking in the top ten of tumor incidence and mortality, which greatly endangers people's health and social development . B-cell non-Hodgkin's lymphoma (NHL) is a common aggressive malignant lymphoma. Poor response of some patients to traditional first-line chemotherapy is one of the major problems facing this disease. As a result, researchers are using emerging tools such as high-throughput sequencing to further understand the nature of the disease, refine the classification of the disease, and on this basis develop personalized treatments to improve the prognosis of the disease.
Lymphoma has a complex immunosuppressive microenvironment that may prevent CAR T from achieving sustained precision tumor killing. As a revolutionary immunotherapy strategy, CAR-T therapy is currently faced with some bottleneck problems such as post-treatment relapse (including antigen loss relapse and antigen positive relapse), CAR-T consumption, off-target effect and so on.
At present, autologous stem cell transplantation still plays a pivotal role in high-risk B-NHL. But at the same time, autologous stem cell transplantation is also faced with the age of patients, the influence of minimal residual disease (MRD) status before transplantation, chemotherapy dependence sensitivity, post-transplantation recurrence, post-transplantation granulosis infection and other problems.
In this study, we explored the efficacy and safety of autologous stem cell transplantation combined with Anti-CD19 CAR-T cells in the treatment of B-cell NHL in patients with B-NHL who achieved partial response (PR) in the interim assessment after 3-4 courses of first-line therapy.
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| ASCT+CAR-T Cell Infusion | Experimental | Biological: ASCT+CAR-T Cell InfusionCD19 CAR-T cells were prepared from peripheral lymphocytes of NHL patients with PR after 3 to 4 courses of chemotherapy, and autologous stem cells were collected and frozen after mobilization of patient stem cells by granulocyte stimulating factor (10μg/kg/d*5d). BEAM pretreatment was performed. Autologous stem cells were injected 24 h after pretreatment, and the number of CD34+ cells was > 2*106/kg. On the 6th day after transplantation, autologous Anti-CD19 CAR T cells were transfused, and the dose was determined by the investigator according to the subjects' own disease conditions and in vitro preparation. The patients were given constant intravenous drip/push infusion for 30 minutes. |
Who may qualify
- Ages
- 18 to 70 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (9 listed)
- Patients or their legal guardians voluntarily participate and sign the informed consent;
- Male or female patients aged 18-70 years (including 18 and 70 years);
- CD19+ B-NH was confirmed by pathology and histology, and the patient achieved a partial response (PR) by interim assessment after 3-4 courses of first-line chemotherapy;
- B-cell non-Hodgkin lymphoma mainly includes the following two types:
- Diffuse large B-cell lymphoma (DLBCL); Mantle cell lymphoma (MCL); 5. Measurable or evaluable lesions; 6. The patient's main tissues and organs function well:
Key exclusion criteria (13 listed)
- Women who are pregnant (urine/blood pregnancy test positive) or breastfeeding;
- Men or women who have planned to become pregnant within the last 1 year;
- The patients were not guaranteed to take effective contraceptive measures (condoms or contraceptives, etc.) within 1 year after enrollment;
- Patients had uncontrollable infectious diseases within 4 weeks prior to enrollment;
- Active hepatitis B/C virus;
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| ASCT+CAR-T Cell InfusionCD19 CAR-T cells were prepared from peripheral lymphocytes of NHL patients with PR after 3 to 4 courses of chemotherapy, and autologous stem cells were collected and frozen after mobilization of patient stem cells by granulocyte stimulating factor (10μg/kg/d*5d). BEAM pretreatment was performed. Autologous stem cells were injected 24 h after pretreatment, and the number of CD34+ cells was > 2*106/kg. On the 6th day after transplantation, autologous Anti-CD19 CAR T cells were transfused, and the dose was determined by the investigator according to the subjects' own disease conditions and in vitro preparation. The patients were given constant intravenous drip/push infusion for 30 minutes. | Biological | ASCT+CAR-T Cell Infusion |
Primary outcome
Complete response rate
Time frame: From 3 months to 1 year.
Proportion of enrolled patients who achieved complete response after treatment
2 secondary outcomes
overall survival
Time frame: From 3 months to 1 year.
Progression-free survival
Time frame: From 3 months to 1 year.
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 6 Mar 2023.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing ASCT+CAR-T Cell Infusion in people with B-cell Lymphoma, run by The Affiliated Hospital of Xuzhou Medical University at 1 site in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 9 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 6 Mar 2023. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Wei Sang, M.D., Ph.D. (13645207648, xyfylbl515@xzhmu.edu.cn), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Complete response rate (time frame: From 3 months to 1 year.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Mar 2023.