- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05170568
PA3-17 Injection Treatment of Adult Patients With CD7-positive Relapsed/Refractory Lymphoid Hematologic Malignancies
A Phase I Open-label, Dose-escalation Trial of PA3-17 Injection in Adult Patients With CD7-positive Relapsed/Refractory Lymphoid Hematologic Malignancies
Study Overview
Status
Intervention / Treatment
Detailed Description
Approximately 5 sites are planned to be selected for the clinical trial. The subjects, who sign the informed consent forms and been screened by inclusion/exclusion criteria, will be assigned into 0.5 × 10^6, 2.0 × 10^6 and 4.0 × 10^6 CAR-T/kg groups in order of sequence. And the subjects will be administered once. Dose escalation will follow 3 + 3 design and 3-6 subjects in each group will complete a single dose. Within the same dose group, the next subject will be administered after the previous subject has completed at least 14 days of safety observation. After the last subject in each dose group has completed the dose-limiting toxicity (DLT) assessment window of 28 days after single dose, the enrollment and treatment for the next dose group may be initiated after the Safety Review Committee (SRC) agrees to enter the next dose group based on clinical safety data assessment.
When DLT occurs in 1 of 3 subjects in a dose group, 3 additional subjects in the same dose group will be required (up to 6 subjects in the dose group have completed DLT assessment): if no DLT occurs in the additional 3 subjects, dose escalation will continue; if 1 of the 3 additional subjects experiences one DLT, dose escalation will be discontinued; if more than 1 of the 3 additional subjects experiences DLTs, dose escalation will be discontinued, and 3 additional subjects will be required to be enrolled at one lower dose level for DLT assessment. After the end of escalation for the maximum dose group, if no MTD is observed, the highest dose level is defined as the MTD.
Study Type
Enrollment (Anticipated)
Phase
- Phase 1
Contacts and Locations
Study Contact
- Name: Mingzhi Zhang, Doctor
- Phone Number: 037166295562
- Email: mingzhi_zhang@126.com
Study Contact Backup
- Name: Xiaojun Huang, Doctor
- Phone Number: +86-13701389625
- Email: xjhrm@medmail.com.cn
Study Locations
-
-
Anhui
-
Hefei, Anhui, China, 230088
- Recruiting
- PersonGen.Anke Cellular Therapeutice Co., Ltd.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Aged 18 to 70 years old (inclusive), male or female;
- Expected survival time ≥ 3 months;
- ECOG performance status of 0-1;
- Malignant lymphoma diagnosed according to WHO2016 criteria: priority will be given to T-cell acute lymphoblastic leukemia/lymphoma (including early pre-T-cell lymphoblastic leukemia);
Subjects with recurrent/refractory T-cell acute lymphoblastic leukemia/lymphoma (including early pre-T-cell lymphoblastic leukemia) who have failed standard treatment or lack effective treatment and meet any of the following criteria:
- No remission after at least two courses of standard induction chemotherapy;
- Early relapse (<12 months) after complete remission; Or complete remission followed by late relapse (≥12 months) without remission after a course of standard induction chemotherapy;
- Patients who did not achieve remission after two or more lines of chemotherapy;
- Recurrence after hematopoietic stem cell transplantation.
- Lymphoid hematologic malignancies diagnosed as CD7 positive by flow cytometry and/or CD7 positive by histopathological immunohistochemistry at screening, with the positive rate of tumor ≥ 30%;
- For CD7-positive lymphoid hematologic malignancies involving bone marrow and/or peripheral blood, patients with CD4/CD8 double-negative surface immunophenotype of tumor cells as determined by flow cytometry;
Liver, kidney and cardiopulmonary function shall meet the following requirements:
- Creatinine ≤ 1.5 ULN;
- Left ventricular ejection fraction ≥ 45%;
- Oxygen saturation > 91%;
- Total bilirubin ≤ 2 × ULN; ALT and AST ≤ 2.5 × ULN; for ALT and AST abnormalities due to disease (e.g., liver infiltration or bile duct obstruction) as judged by the investigator, the indicators can be relaxed to ≤ 5 × ULN;
- Patients who can understand the trial and have signed informed consents.
Exclusion Criteria:
- Subjects who need to use immunosuppressants;
- Subjects with malignant tumors other than T-cell hematological malignancies within 5 years prior to screening, with the exception of adequately treated cervical carcinoma in situ, basal cell carcinoma or squamous cell carcinoma, localized prostate cancer after radical surgery, and ductal carcinoma in situ after radical mastectomy;
- Positive for hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) with peripheral blood hepatitis B virus (HBV) DNA titer detection not within the normal reference range; positive for hepatitis C virus (HCV) antibody and peripheral blood hepatitis C virus (HCV) RNA; positive for human immunodeficiency virus (HIV) antibody; positive for cytomegalovirus (CMV) DNA test; positive for syphilis test;
- Severe heart disease: including but not limited to unstable angina, myocardial infarction (within 6 months prior to screening), congestive heart failure (New York Heart Association [NYHA] classification ≥ III), severe arrhythmia;
- Unstable systemic diseases judged by the investigator: including but not limited to serious liver, kidney or metabolic diseases requiring drug treatment;
- Within 7 days prior to screening, there are active or uncontrollable infections requiring systemic therapy (except for mild genitourinary infection and upper respiratory tract infection);
- Pregnant or lactating women, and female subjects who plan to become pregnant within 2 years after cell infusion or male subjects whose partners plan to become pregnant within 2 years after cell infusion;
- Subjects who have received CAR-T therapy or other gene-modified cell therapy prior to screening;
- Subjects who are receiving systemic steroid therapy within 7 days prior to screening or need long-term use of systemic steroid therapy during treatment as judged by the investigator (except for inhalation or topical use);
- Subjects who have participated in other clinical studies within 3 months prior to screening;
- Subjects who have evidence of central nervous system invasion at screening;
- Conditions not eligible for cell preparation as judged by the investigator;
- Other conditions considered unsuitable for enrollment by the investigator.
Study Plan
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 |
Intervention / Treatment |
---|---|
Experimental: T cell injection targeting CD7 chimeric antigen receptor
|
The subjects, who sign the informed consent forms and been screened by inclusion/exclusion criteria, will be assigned into 0.5 × 106, 2.0 × 106 and 4.0 × 106 CAR-T/kg groups in order of sequence.
And the subjects will be administered once.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
DLT
Time Frame: About 2 years
|
Dose limiting toxicity
|
About 2 years
|
MTD
Time Frame: About 2 years
|
Maximum tolerated dose
|
About 2 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To Evaluate Anti-tumour Activity (overall response rate)
Time Frame: About 3 months
|
Rate of participants who with lymphoma aquire complete response (CR) or partial response (PR) or those who with leukemia CR or CR with incomplete hematologic recovery (CRi).
|
About 3 months
|
Immunogenicity endpoints
Time Frame: About 2 years
|
Positive rate of human anti-CAR antibody at each time point.
|
About 2 years
|
Assessment of the safety after CD7-targeted chimeric antigen receptor T cells infusion (Safety)
Time Frame: About 2 years
|
Number of participants with treatment-related adverse events as assessed by CTCAE v5.0.
|
About 2 years
|
Assessment of pharmacokinetic (about Cmax)
Time Frame: 28 days
|
Assessment of the highest concentration (Cmax) of CD7-targeted chimeric antigen receptor T cells amplified in peripheral blood after administration.
|
28 days
|
Assessment of pharmacokinetic (about Tmax)
Time Frame: 28 days
|
Assessment of the time to reach the highest concentration (Tmax) of CD7-targeted chimeric antigen receptor T cells in peripheral blood after administration.
|
28 days
|
Assessment of pharmacokinetic (about AUC0-28d)
Time Frame: 28 days
|
Assessment of the area under the curve AUC0-28d after administration.
|
28 days
|
Assessment of pharmacokinetic (about Cmax)
Time Frame: 90 days
|
Assessment of the highest concentration (Cmax) of CD7-targeted chimeric antigen receptor T cells amplified in peripheral blood after administration.
|
90 days
|
Assessment of pharmacokinetic (about Tmax)
Time Frame: 90 days
|
Assessment of the time to reach the highest concentration (Tmax) of CD7-targeted chimeric antigen receptor T cells in peripheral blood after administration.
|
90 days
|
Assessment of pharmacokinetic (about AUC0-90d)
Time Frame: 90 days
|
Assessment of the area under the curve AUC0-90d after administration.
|
90 days
|
PD endpoints
Time Frame: About 2 years
|
The proportion and absolute value of CD7-positive cells in peripheral blood at each time point; concentration levels of CAR-T-related serum cytokines such as CRP and IL-6;
|
About 2 years
|
To Evaluate Anti-tumour Activity (Overall Survival)
Time Frame: About 2 year
|
Defined as the time from start of CD7 CAR-T cell therapy to death (due to any cause);
|
About 2 year
|
To Evaluate Anti-tumour Activity (Progression Free Survival)
Time Frame: About 2 year
|
Defined as the time from the start of CD7 CAR-T cell therapy to the first disease progression or recurrence or death from any cause.
|
About 2 year
|
To Evaluate Anti-tumour Activity (duration of response)
Time Frame: About 2 years
|
Defined as the time from the first tumor assessment of CR or PR (lymphoma), CR or CRi (leukemia) to the first assessment of disease recurrence or progression or death due to any cause.
|
About 2 years
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Mingzhi Zhang, Doctor, The First Affiliated hospital of Zhengzhou University
- Principal Investigator: Xiaojun Huang, Doctor, Peking University People's Hospital
- Principal Investigator: Dehui Zou, Doctor, Hematology Hospital of Chinese Academy of Medical Sciences (Hematology Research Center of Chinese Academy of Medical Sciences)
- Principal Investigator: He Huang, doctor, Zhejiang University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PG-CART-07-001 (1)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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