Single-arm, Open-label Clinical Study of SZ011 in the Treatment of Advanced Triple Negative Breast Cancer

January 9, 2023 updated by: Jing Lin, First Affiliated Hospital of Shantou University Medical College
This study was a single-center, open-label, investigator-initiated clinical trial (IIT) to observe and investigate the clinical safety and efficacy of SZ011 in the treatment of advanced triple-negative breast cancer.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Not yet recruiting

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.

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.
12

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.
  • Early 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 Locations

  • China
      • Shantou, China, GuangDong
        • Shantou

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

18 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  1. Patients voluntarily join the study, sign the informed consent form, and have willingness and ability to comply with study procedures.
  2. Female ≥ 18 years.
  3. Histologically confirmed advanced TNBC , namely, human epidermal growth receptor 2-negative (HER2-negative) and estrogen receptor-negative (ER-negative) and progesterone receptor-negative (PR-negative).
  4. The tumor tissue shows positive mesothelin (MESO) detected by immunohistochemistry.
  5. At least one target lesion that can be stably evaluated at baseline as per the solid tumor efficacy evaluation criteria (RECIST v1.1).
  6. Progress after receiving second-line or above treatment in the past.
  7. Eastern Cooperative Oncology Group (ECOG) performance status: 0-2 points.
  8. Estimated survival time ≥ 12 weeks.

  9. Important organ function meets the following requirements:

    1. Blood routine test: neutrophil count (ANC) ≥1.5 × 109/L; Lymphocyte count (LC) ≥0.5×109/L; Platelet count (PLT) ≥75 × 109/L; Hemoglobin (HG) ≥ 90 g/L;
    2. Blood biochemistry test:

    Liver functions: alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤2.5×ULN, alkaline phosphatase (ALP)

    • 2.5×ULN, total bilirubin (TBIL) ≤1.5×ULN; except in the following cases:For patients with liver metastasis: AST and/or ALT ≤5×ULN, TBIL
    • 3×ULN; For patients with liver or bone metastasis: ALP≤5×ULN; Renal function: BUN and Cr ≤1.5×ULN and creatinine clearance ≥60 mL/min (Cockcroft-Gault formula).
  10. Women of childbearing potential must have a serum pregnancy test performed 7 days before the first dose and be assessed as non-pregnant. Female subjects of childbearing potential must agree to use an efficient method of contraception (e.g., an intrauterine device, contraceptive pill, or condom) within 4 weeks from the date of the informed consent form until the last dose of study drug.

Exclusion Criteria:

  1. The patient had other malignancies within the 5 years prior to screening, in addition to cured cervical carcinoma in situ, basal or squamous cell skin cancer, and postoperative ductal carcinoma in situ.
  2. Patients with active (without medical control or with clinical symptoms) brain metastasis, cancerous meningitis, spinal cord compression, or patients with a history of primary tumors of the central nervous system.
  3. The patient with moderate to large amount of pleural effusion, intraperitoneal effusion or pericardial effusion that cannot be controlled and need repeated drainage.
  4. Patients with uncontrolled tumor-related pain judged by the researcher. Subjects in need of analgesic therapy must have a stable analgesic regimen in place by study entry. Symptomatic lesions suitable for palliative radiotherapy should be treated before entering the study.
  5. The patient has other active virus and bacterial infection with significant clinical significance or systemic fungal infection that cannot be controlled.
  6. Anyone who has had arterial thromboembolism events (including myocardial infarction, cardiac arrest, cerebrovascular accident, cerebral ischemia, and a history of deep vein thrombosis or pulmonary embolism of Class 3 or above by CTCAE5.0) within six months before enrollment.
  7. Patients with a history of severe hemorrhagic disease within 6 months before enrollment, or those who were considered by the investigator to have a clear bleeding tendency (such as esophageal varices at risk for bleeding, locally active ulcer lesions, and fecal occult blood > 2+).
  8. Anyone who is diagnosed with congenital or acquired immunodeficiency (such as HIV-infected), or active hepatitis (HBV, HCV) infection, or other serious infectious diseases.
  9. With clinically significant cardiovascular disease: a) uncontrollable hypertension after treatment (systolic blood pressure ≥160mmHg and/ or diastolic blood pressure ≥110 mmHg); b) Has a history of myocardial infarction or unstable angina within 6 months before enrollment; c) Congestive heart failure or grade II heart failure; d) Arrhythmia in serious need of medical treatment, excluding asymptomatic atrial fibrillation with controllable heart rate.
  10. Patients with a history of allergy to any component of cell products.
  11. Anyone who has participated in or is participating in other clinical trials within three months.
  12. Pregnant or lactating women.
  13. Anyone who was considered by the investigator to be unsuitable to participate in this clinical trial.

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
  • Allocation: N/A
  • Interventional Model: Single Group 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: SZ011 CAR-NK
Drug: SZ011 CAR-NK
In the escalation study, the minimum initial dose was 5.0×10^6 cells, then increased to 5.0×10^7 and 2.0×10^8 cells. The infusion is given every 2 weeks.

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
Number of Adverse Events (AEs)
Time Frame: Up to 6 months after infusion
To evaluate the safety of SZ011 CAR-NK Cells
Up to 6 months after infusion
Objective response rate (ORR)
Time Frame: Up to 6 months after infusion
To evaluate the ORR of SZ011 CAR-NK Cells
Up to 6 months after infusion

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
Overall survival (OS)
Time Frame: Up to 6 months after infusion
To determine the anti-tumor effectivity of SZ011 CAR-NK Cells
Up to 6 months after infusion
Disease control rate (DCR)
Time Frame: Up to 6 months after infusion
To determine the anti-tumor effectivity of SZ011 CAR-NK Cells
Up to 6 months after infusion
Progression-free survival (PFS)
Time Frame: Up to 6 months after infusion
To determine the anti-tumor effectivity of SZ011 CAR-NK Cells
Up to 6 months after infusion
Duration of remission (DOR)
Time Frame: Up to 6 months after infusion
To determine the anti-tumor effectivity of SZ011 CAR-NK Cells
Up to 6 months after infusion

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.
First Affiliated Hospital of Shantou University Medical College

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.
Guangdong ProCapZoom Biosciences Co., Ltd.

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 (Anticipated)

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.
February 1, 2023

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 1, 2024

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.
June 1, 2024

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).
December 22, 2022

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.
January 9, 2023

First Posted (Estimate)

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.
January 16, 2023

Study Record Updates

Last Update Posted (Estimate)

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.
January 16, 2023

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.
January 9, 2023

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.
January 1, 2023

More Information

Terms related to this study

Additional Relevant MeSH Terms

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.
  • PCZCTP-220702-001

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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