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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05867563
Other study ID # TQB2103-I-01
Secondary ID
Status Recruiting
Phase Phase 1
First received
Last updated
Start date July 4, 2023
Est. completion date May 2025

Study information

Verified date September 2022
Source Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

TQB2103 injection is an antibody-drug conjugate (ADC) targeting claudin (CLDN) 18.2. This study aimed to evaluate the safety and tolerability, pharmacokinetic characteristics and immunogenicity of TQB2103 injection in patients with advanced malignant tumors as well as its initial effectiveness.


Recruitment information / eligibility

Status Recruiting
Enrollment 71
Est. completion date May 2025
Est. primary completion date May 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: - Patients with advanced malignant tumours confirmed by histology or cytology, disease progression or intolerance after adequate standard treatment, or lack of standard treatment options, or standard treatment is not applicable currently . - Age: 18-75 years old; Eastern Cooperative Oncology Group Performance Status (ECOG PS) score: 0-1; The expected survival time is more than 3 months. - Patients who can provide fresh-collected or stored tumour tissue samples within 2 years for Claudin 18.2 expression level detection were preferentially enrolled, and those who cannot provide samples during the dose-escalation stage were also eligible to participate in the study; In the dose-expansion stage, subjects who could not provide tumour tissue samples for Claudin 18.2 expression level detection needed to be discussed with the investigators on a case-by-case basis, and enrollment may be allowed according to the specific situation. - At least one evaluable tumour lesion according to Response Evaluation Criteria In Solid Tumors (RECIST) v1.1 in the dose-escalation study and at least one measurable lesion in the dose-expansion study (the lesion that received radiotherapy can be used as the target lesion after definite progression according to RECIST v1.1 evaluation). - Good function of major organs. - Fertile subjects should agree that contraception must be used during the study and for 6 months after the end of the study; Women of childbearing age had a negative serum pregnancy test within 7 days prior to study enrollment and had to be non-lactating subjects. - Evidence of a personally signed and dated informed consent document indicating that the patient has been informed of all pertinent aspects of the study. Exclusion Criteria: - Comorbidities and medical history: 1. Have developed or are currently concurrent with other malignant tumors within the past 5 years. 2. Have a high risk of Gastrointestinal (GI) bleeding, or have active severe GI disease. 3. Patients with current interstitial lung disease or pulmonary fibrosis, pneumoconiosis, radiation pneumonitis, severe impairment of lung function, etc., which may interfere with the detection and management of suspected drug-related pulmonary toxicity. 4. All reversible adverse events caused by any previous treatment have not recovered to CTCAE 5.0 grade = grade 1, before the first dose of the investigational drug. 5. Major surgical treatment, open biopsy, or significant traumatic injury within 4 weeks before the start of study treatment; Elective surgery was required during the trial; Or have wounds, ulcers or fractures that have not healed for a long time. 6. Occurrence of arterial/venous thrombosis events within 6 months, such as cerebrovascular accident, deep vein thrombosis, and pulmonary embolism; People who have a history of psychotropic drug abuse and cannot abstain from it or have mental disorders. 7. Subjects with any severe and/or uncontrolled illness. - Cancer-related symptoms and treatment: 1. Received systemic antineoplastic therapy such as radical surgery, chemotherapy, radical radiotherapy or immunotherapy, biological therapy or participated in Clinical trials of other interventional antineoplastic drugs within 4 weeks before the initiation of study treatment. 2. Prior therapy against the Claudin18.2 target, such as Claudin18.2 monoclonal antibodies, bispecific antibody, ADC, or chimeric antigen receptor T-cell immunotherapy (CAR-T). 3. Tumour has invaded important blood vessels on imaging (Computed Tomography (CT) or Magnetic Resonance Imaging(MRI)) or judged by the investigator to be highly likely to invade important blood vessels during the follow-up study. 4. Poorly controlled pleural, pericardial or peritoneal effusion requiring repeated drainage, judged by the investigator to be unsuitable for enrollment. 5. Subjects with known active central nervous system metastases and/or meningeal metastases or spinal cord compression. - Study treatment-related: 1. A history of vaccination with the live attenuated vaccine within 28 days before initiation of study treatment or a planned vaccination with live attenuated vaccine during the study. 2. The subject has a history of severe hypersensitivity after previous exposure to a humanized monoclonal antibody or acute or delayed hypersensitivity or intolerance to known components of TQB2103. 3. Requiring systemic therapy within 2 years before initiation of study treatment. - Subjects with concomitant diseases that seriously endanger the safety of the subjects or affect the completion of the study, or subjects who are considered to be unsuitable for enrollment for other reasons, according to the judgment of the investigators.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
TQB2103 for injection
TQB2103 for injection is an antibody-drug conjugate targeting CLDN18.2. The drug structure mainly includes anti-humanized CLDN 18.2 antibody, linker and cytotoxic DDDXD, with Drug antibody Ratio (DAR) of 8.

Locations

Country Name City State
China Hunan Cancer Hospital Changsha Hunan
China Zhejiang Cancer Hospital Hangzhou Zhejiang
China Xuzhou Central Hospital Xuzhou Jiangsu
China Henan Cancer Hospital Zhengzhou Henan

Sponsors (1)

Lead Sponsor Collaborator
Chia Tai Tianqing Pharmaceutical Group Nanjing Shunxin Pharmaceutical Co., Ltd.

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Dose limiting toxicity (DLT) DLT was defined as toxicities that meet pre-defined severity criteria according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) v5.0, and assessed as having suspected relationship to investigational drug that occurred within the first treatment cycle (21 days). During the first treatment cycle (21 days).
Primary Maximum tolerated dose (MTD) MTD was defined as the highest dose at which dose limiting toxicity (DLT) occurred in less than 33% of patients. During the first treatment cycle (21 days).
Primary Recommended Phase II Dose (RP2D) The RP2D of anticancer agents is determined traditionally by dose-limiting toxicities. Nontoxicity or biological endpoints such as pharmacokinetics, pharmacodynamics, and efficacy can also be used to identify RP2D. During the first treatment cycle (21 days).
Secondary The area under the curve (AUC) The area under the curve (AUC) of serum or plasma concentration of ADC drug, total antibody, and small molecule toxin. 2 hours pre-dose, 0, 2, 4, 7, 24, 72, 144, 312, 504 hours (when necessary) after dose on cycle 1 and cycle 3; 2 hours pre-dose, 0 hour, 504 hours (when necessary) after dose on cycle 2, cycle 4, cycle 6, cycle 8. Each cycle is 21 days.
Secondary Peak concentration (Cmax) Maximum observed concentration (Cmax) of ADC drug, total antibody and small molecule toxin after administration. 2 hours pre-dose, 0, 2, 4, 7, 24, 72, 144, 312, 504 hours (when necessary) after dose on cycle 1 and cycle 3; 2 hours pre-dose, 0 hour, 504 hours (when necessary) after dose on cycle 2, cycle 4, cycle 6, cycle 8. Each cycle is 21 days.
Secondary Immunogenicity Incidence of anti-drug antibody (ADA) 120 minutes pre-dose on Cycle 1 Day 1, Cycle 2 Day1, Cycle 4 Day1, Cycle 7 Day1, Cycle 12 Day1; 90 days after the last infusion. Each cycle is 21 days.
Secondary Terminal half-life (T1/2) T1/2 is the time required to decrease the concentration of a drug within the body by one-half. 2 hours pre-dose, 0, 2, 4, 7, 24, 72, 144, 312, 504 hours (when necessary) after dose on cycle 1 and cycle 3; 2 hours pre-dose, 0 hour, 504 hours (when necessary) after dose on cycle 2, cycle 4, cycle 6, cycle 8. Each cycle is 21 days.
Secondary Apparent Clearance (CL/F) Apparent clearance refers to the rate of drug removal in the body, which reflects the degree of drug elimination in the body, as well as the bioavailability of the drug in the body. 2 hours pre-dose, 0, 2, 4, 7, 24, 72, 144, 312, 504 hours (when necessary) after dose on cycle 1 and cycle 3; 2 hours pre-dose, 0 hour, 504 hours (when necessary) after dose on cycle 2, cycle 4, cycle 6, cycle 8. Each cycle is 21 days.
Secondary Apparent distribution volume (Vss/F) When the drug distribution in plasma and tissue reaches equilibrium, the required body fluid volume for drug distribution in the body according to the plasma drug concentration at this time. 2 hours pre-dose, 0, 2, 4, 7, 24, 72, 144, 312, 504 hours (when necessary) after dose on cycle 1 and cycle 3; 2 hours pre-dose, 0 hour, 504 hours (when necessary) after dose on cycle 2, cycle 4, cycle 6, cycle 8. Each cycle is 21 days.
Secondary Objective Response Rate (ORR) Defined as the percentage of complete response (CR) and partial response (PR) assessed by Response Evaluation Criteria In Solid Tumors (RECIST) v1.1 criteria. Up to 2 years
Secondary Disease control rate (DCR) Defined as the proportion of subjects with CR, PR, or stable disease (SD). Up to 2 years
Secondary Duration of Response (DOR) Defined as the time from first documented response to documented disease progression. Up to 2 years
Secondary Progress Free Survival (PFS) Defined as the time from the first dose of TQB2103 to the first occurrence of disease progression or death from any cause. Up to 2 years
Secondary Overall Survival (OS) Overall survival refers to the time from the first treatment to death from any cause. Up to 2 years
Secondary Adverse event rate The occurrence of all adverse events (AEs), serious adverse events (SAEs) and treatment-related adverse events (TEAEs) evaluated by Common Terminology Criteria for Adverse Events (CTCAE) 5.0. Up to 2 years
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