A Phase Ⅰa Clinical Study Exploring Efficacy of SIBP-03 When Treating the Patients With Advanced Malignant Solid Tumors.

  • STATUS
    Recruiting
  • End date
    Oct 26, 2023
  • participants needed
    68
  • sponsor
    Shanghai Institute Of Biological Products
Updated on 24 March 2022
carcinoma
breast cancer
HER2
blood transfusion
primary cancer
targeted therapy

Summary

The main purpose of

• To evaluate the safety, tolerability and pharmacokinetic characteristics of SIBP-03(Recombinant anti-HER3 humanized monoclonal antibody injection).

A secondary purpose

  • Assess the immunogenicity of SIBP-03. Exploratory purpose
  • Explore potential biomarkers;
  • Preliminary evaluation of the antitumor efficacy of SIBP-03.

Description

To evaluate the safety, tolerability, pharmacokinetics, immunogenicity and preliminary efficacy of recombinant anti-HER3 humanized monoclonal antibody injection when treating the patients with advanced malignant solid tumors. This study is an open, multi-dose escalation and extension study of single and multiple dosing. This study was divided into two phases: the first phase was dose escalation phase, the second phase was joint expansion phase, in which the dose escalation phase was a single-center study, and the joint expansion phase was a multi-center study. Stage 1, dose escalation stage: Six dose groups of 2, 5, 10, 15, 20 and 40 mg/kg were planned, then exploring the most appropriate dose. The second stage, combined use extension stage: According to the preliminary data of drug safety, tolerance, pharmacokinetics and efficacy obtained in the dose escalation stage, combined with the clinical study results of similar drugs, 5mg/kg and 10mg/kg dose levels were selected to enter the combined extension stage and used in patients with advanced head and neck squamous cell carcinoma or with breast cancer.

Details
Condition Tumor
Treatment SIBP-03
Clinical Study IdentifierNCT05203601
SponsorShanghai Institute Of Biological Products
Last Modified on24 March 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Male and female aged between 18 and 75 years old
The enrolled subjects shall conform to the following criteria (Dose Escalation phase): Histologically or cytologically confirmed locally advanced or metastatic solid tumours resistant or refractory to conventional treatment, for which no conventional therapy exists or is not considered appropriate by the Investigator. (Priority for inclusion but not limited to head and neck squamous cell carcinoma, esophageal squamous cell carcinoma and breast cancer with high HER2 expression)
The enrolled subjects shall conform to the following criteria (Joint extension phase): Cohort 1: Patients in recurrent/metastatic advanced head and neck squamous cell carcinoma (HNSCC) who is histologically or cytologically confirmed. The patient is also unsuitable for radical surgical resection, failed from standard treatment, or previously treated by PD-1 mAb therapy (unless patient is not suitable for PD-1 therapy). Cohort 2: Patients in advanced breast cancer (BC) with her2-overexpression who is histopathologically or cytologically confirmed, previously untreated with anti-HER2-targeted therapy such as trastuzumab or eligible for re-use though once been treated with trastuzumab
At least one targeted lesion that is measurable (according to RECIST V1.1 criteria, CT or MRI) and that lesion has not received radiation therapy
ECOG fitness score is between 0 and 1
Life expectancy of at least 3 mouths
Adequate organ function(No blood transfusion, granulocyte colony-stimulating factor (G-CSF injection, or other medical support within 14 days prior to the use of the investigational drug)
The blood pregnancy test for women of reproductive age was negative during the screening period, and subjects of reproductive age (including male subjects) have no pregnancy plan and shall voluntarily use effective contraception during the trial and 6 months after the last dose
Voluntarily participate in this study and provide written informed consent

Exclusion Criteria

Subjects with the following tumors: Malignancy other than the tumor treated in this study during the past 5 years (except for thyroid cancer, cured basal cell carcinoma of the skin, and carcinoma in situ of the cervix). Untreated central nervous system (CNS) primary tumors or metastases. Meningeal metastatic carcinoma. Patients with BMS who had previously received systemic and radical BMS treatment (radiotherapy or surgery), and who had been stable without any clinical symptoms for at least 4 weeks with systemic hormone therapy been stopped for more than 2 weeks
Subjects who have any of the following treatment history or surgical history, or who plan to receive any of the following antitumor treatments during the trial period: Patients who received proprietary Chinese medicines whose specifications explicitly included antitumor effects within 2 weeks prior to the first dose. Patients undergoing maintenance therapy within 6 months after surgery. Patients who have not recovered to normal or ≤level 1 toxicity from previous treatment (except for hair loss). Patients who received major surgery, radiation, biotherapy, or chemotherapy within 4 weeks prior to initial dose, or who were systematically treated by other investigational agents with unhealed surgical wounds, ulcers or fractures. Patients scheduled to receive any other antitumor therapy during the trial period should be excluded (except for testosterone reduction therapy in prostate cancer patients). Patients received immunosuppressants or any systemic corticosteroids within 1 week prior to the first dose. Patients previously treated with anti-HER3 drug
The subject's past medical history or laboratory examination shows any of the following abnormalities: Abnormal coagulation function with bleeding tendency or receiving thrombolytic or anticoagulant therapy or with blood loss/donation of more than 200 mL within 2 months prior to drug administration. A history of immunodeficiency, including positive HIV, or other acquired or congenital immunodeficiency disease, or a history of organ transplantation. A past history of neurological or psychiatric disorders, including epilepsy or dementia
Patients with positive TP test during screening period; with active HBV、HCV infection; except for stable hepatitis B infection by drug therapy (DNA titer not higher than 500 IU/mL or copy number <1000 copies/mL) and cured hepatitis C infection(negative HCV RNA test)
Ascites, pleural effusion and pericardial effusion with clinical symptoms during the screening period, or patients requiring drainage or previously drained within 4 weeks prior to initial dose
Concommitted with a serious, progressive, or uncontrolled illness, assessed by the investigator to increase the risk of study participation during the screening period, including but not limited to: Cerebrovascular accident or transient ischemic attack (within 6 months prior to screening). Heart disease judged by the investigator to be unsuitable for the study, abnormal cardiac function or renal function with severity≥grade II
Concomitant diseases (e.g. severe hypertension, diabetes, thyroid disease, active infection, etc.) that seriously endanger patients' safety or affect patients' ability to complete the study, according to the investigator's judgment
Have a history of severe allergy, or allergic to protein products, CHO cell products, other recombinant human or humanized antibodies or components of the investigational drug
Female who is pregnant or lactating
Patients deemed unsuitable for inclusion by the investigator
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