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Safety, Tolerability and Pharmacokinetics of a Monoclonal Antibody Specific to B-and T-Lymphocyte Attenuator (BTLA) as Monotherapy and in Combination With an Anti-PD1 Monoclonal Antibody for Injection in Subjects With Advanced Malignancies

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT04137900
Recruitment Status : Recruiting
First Posted : October 24, 2019
Last Update Posted : May 6, 2023
Sponsor:
Collaborators:
TopAlliance Biosciences, Inc.
CTI Clinical Trial and Consulting Services
Information provided by (Responsible Party):
Shanghai Junshi Bioscience Co., Ltd.

Study Description
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Brief Summary:

The primary objective is to assess the safety and tolerability of TAB004 as monotherapy and in combination with toripalimab in subjects with selected advanced solid malignancies, including lymphoma, and to evaluate the recommended Phase 2 dose.

The secondary objectives are to: 1) describe the pharmacokinetic (PK) profile of TAB004 monotherapy and in combination with toripalimab and to describe the PK profile of toripalimab when administered with TAB004, 2) evaluate antitumor activity of TAB004 monotherapy and in combination with toripalimab; and 3) determine the immunogenicity of TAB004 monotherapy and in combination with toripalimab and to determine the immunogenicity of toripalimab when administered with TAB004.

The exploratory objectives are to: 1) evaluate pharmacodynamic effects of TAB004 on its target receptor BTLA, as well as effects on the immune system; 2) evaluate biomarkers that may correlate with activity of TAB004 as monotherapy and in combination with toripalimab; 3) evaluate the utility of BTLA ligand, herpesvirus-entry mediator (HVEM), and additional exploratory biomarkers that could aid in selection of appropriate subjects for TAB004 monotherapy and in combination with toripalimab.


Condition or disease Intervention/treatment Phase
Advanced Unresectable Solid Tumor Metastatic Solid Tumor Drug: TAB004 Drug: Toripalimab Phase 1

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Study Design
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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 499 participants
Allocation: Non-Randomized
Intervention Model: Sequential Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A First-in-Human, Multicenter, Open-Label, Phase 1 Dose-Escalation and Cohort Expansion Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of TAB004 as Monotherapy and in Combination With Toripalimabin Subjects With Advanced Solid Malignancies Including Lymphoma
Actual Study Start Date : October 30, 2019
Estimated Primary Completion Date : March 2026
Estimated Study Completion Date : March 2026

Resource links provided by the National Library of Medicine


Arms and Interventions
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Arm Intervention/treatment
Experimental: TAB004 0.3 mg/kg repeat dose every 21 days up to 2 years Drug: TAB004
Recombinant humanized IgG4κ monoclonal antibody specific to BTLA for injection
Other Name: JS004
Experimental: TAB004 1 mg/kg repeat dose every 21days up to 2 years Drug: TAB004
Recombinant humanized IgG4κ monoclonal antibody specific to BTLA for injection
Other Name: JS004
Experimental: TAB004 3 mg/kg repeat dose every 21 days up to 2 years Drug: TAB004
Recombinant humanized IgG4κ monoclonal antibody specific to BTLA for injection
Other Name: JS004
Experimental: TAB004 10 mg/kg repeat dose every 21 days up to 2 years Drug: TAB004
Recombinant humanized IgG4κ monoclonal antibody specific to BTLA for injection
Other Name: JS004
Experimental: TAB004 200mg repeat dose every 21 days up to 2 years Drug: TAB004
Recombinant humanized IgG4κ monoclonal antibody specific to BTLA for injection
Other Name: JS004
Experimental: TAB004 20mg and Torpalimab 240mg repeat dose every 21 days up to 2 years Drug: TAB004
Recombinant humanized IgG4κ monoclonal antibody specific to BTLA for injection
Other Name: JS004

Drug: Toripalimab
a human IgG4k monoclonal antibody that specifically binds to the programmed death 1 (PD-1)
Other Names:
  • TAB001
  • JS001
Experimental: TAB004 70mg and Torpalimab 240mg repeat dose every 21 days up to 2 years Drug: TAB004
Recombinant humanized IgG4κ monoclonal antibody specific to BTLA for injection
Other Name: JS004

Drug: Toripalimab
a human IgG4k monoclonal antibody that specifically binds to the programmed death 1 (PD-1)
Other Names:
  • TAB001
  • JS001
Experimental: TAB004 200mg and Torpalimab 240mg repeat dose every 21 days up to 2 years Drug: TAB004
Recombinant humanized IgG4κ monoclonal antibody specific to BTLA for injection
Other Name: JS004

Drug: Toripalimab
a human IgG4k monoclonal antibody that specifically binds to the programmed death 1 (PD-1)
Other Names:
  • TAB001
  • JS001
Experimental: TAB004 500mg and Torpalimab 240mg repeat dose every 21 days up to 2 years Drug: TAB004
Recombinant humanized IgG4κ monoclonal antibody specific to BTLA for injection
Other Name: JS004

Drug: Toripalimab
a human IgG4k monoclonal antibody that specifically binds to the programmed death 1 (PD-1)
Other Names:
  • TAB001
  • JS001


Outcome Measures
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Primary Outcome Measures :
  1. Number of participants with treatment-related adverse events as assessed by CTCAE v4.0 [ Time Frame: 2 years ]
    Treatment-related adverse events as assessed by CTCAE v4.0


Secondary Outcome Measures :
  1. Objective Response Rate (ORR) by RECIST 1.1 [ Time Frame: 2 years ]
    ORR

  2. Duration of Response (DOR) by RECIST 1.1 [ Time Frame: 2 years ]
    DOR

  3. Disease Control Rate (DCR) by RECIST 1.1 [ Time Frame: 2 years ]
    DCR

  4. Time to response (TTR) by RECIST 1.1 [ Time Frame: 2 years ]
    TTR

  5. Progression-free survival (PFS) by RECIST 1.1 [ Time Frame: 2 years ]
    PFS

  6. Overall survival (OS) by RECIST 1.1 [ Time Frame: 2 years ]
    OS

  7. BTLA receptor occupancy (RO) of blood [ Time Frame: 2 years ]
    RO

  8. Maximum Plasma Concentration (Cmax) after single dose injection of TAB004 and for toripalimab [ Time Frame: 2 years ]
    Cmax

  9. Peak Time (Tmax) after single dose injection of TAB004 and for toripalimab [ Time Frame: 2 years ]
    Tmax

  10. Area Under the Curve (AUC) after single dose injection of TAB004 and for toripalimab [ Time Frame: 2 years ]
    AUC

  11. t1/2 after single dose injection of TAB004 and for toripalimab [ Time Frame: 2 years ]
    t1/2 half life

  12. Plasma clearance (CL) after single dose injection of TAB004 and for toripalimab [ Time Frame: 2 years ]
    Plasma clearance (CL)

  13. Apparent volume of distribution (V) after single dose injection of TAB004 and for toripalimab [ Time Frame: 2 years ]
    volume of distribution (V)

  14. Minimum Plasma Concentration (Cmin) of steady state after multiple dose injection of TAB004 and for toripalimab [ Time Frame: 2 years ]
    Cmin

  15. Apparent volume of distribution of steady state (Vss) after multiple dose injection of TAB004 and for toripalimab [ Time Frame: 2 years ]
    volume of distribution of steady state (Vss)

  16. The presence of anti-drug antibody (ADA) after multiple dose injection of TAB004 and for toripalimab [ Time Frame: 2 years ]
    ADA

  17. Accumulation after multiple dose in injection of TAB004 and for toripalimab [ Time Frame: 2 years ]
    Accumulation


Other Outcome Measures:
  1. Correlation analysis of HVEM expression of tumor and ORR [ Time Frame: 3 years ]
    BTLA ligand expression with ORR, PD-L1 expression with ORR

  2. Correlation analysis of HVEM expression of tumor and DCR [ Time Frame: 3 years ]
    BTLA ligand expression with DCR,PD-L1 expression with DCR

  3. Correlation analysis of HVEM expression of tumor and PFS [ Time Frame: 3 years ]
    BTLA ligand expression with PFS, PD-L1 expression with PFS

  4. Correlation analysis of HVEM expression of tumor and OS [ Time Frame: 3 years ]
    BTLA ligand expression with OS, PD-L1 expression with OS


Eligibility Criteria
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Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • 1. Able to understand and willing to sign the Informed Consent Form;
  • 2. Male or female ≥ 18 years;
  • 3. Subjects with histologically or cytologically confirmed advanced unresectable or metastatic solid tumor, including lymphoma that have progressed following prior treatment. In Part A, subjects must have received, or be ineligible for or intolerant of all available approved or standard therapies known to confer clinical benefit including immunotherapy, or for whom no standard therapy exists; in Part B, subjects with advanced or metastatic solid tumors, including but not limited to lymphoma, melanoma, NSCLC, or other tumors with agreement of the Sponsor, who must have received at least one line of therapy for advanced or metastatic disease, but are not required to have received all standard therapies known to confer clinical benefit; In Part C, subjects must have received at least one line of therapy for advanced or metastatic disease but are not required to have received all standard therapies known to confer clinical benefit; In Part D, subjects with advanced or metastatic solid tumors that may include but not limited to lymphoma, melanoma, NSCLC, RCC or UC who must have received at least one line of therapy for advanced or metastatic disease, but are not required to have received all standard therapies known to confer clinical benefit.
  • 4. Measurable disease per RECISTv1.1 and iRECIST, or RECIL 2017 for lymphoma
  • 5. ECOG performance status of 0 or 1 with life expectancy of 3 months in the opinion of the investigator.

  • 6. Adequate organ and marrow function, as defined below:

    1. Hemoglobin 8.0 g/dL within first 2 weeks prior to first dose of TAB004 (are not requiring a transfusion within 14 days prior to dosing)
    2. Absolute neutrophil count (ANC) 1.0 x 109 /L (1,000 /mm3)
    3. Absolute lymphocyte count ≥ 0.6 x 109/L (600/mm3)
    4. Platelet count 75 x 109 /L (75,000 /mm3), and not requiring platelet transfusions within the 5 days prior to dosing
    5. Total bilirubin ≤ 1.5 x ULN except subjects with documented Gilbert's syndrome who must have a baseline total bilirubin ≤ 3.0 mg/dL
    6. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 2.5 x ULN; for subjects with hepatic metastases, ALT and AST ≤ 5 x ULN
    7. Serum creatinine ≤ 1.5 x ULN OR calculated creatinine clearance (CrCl) or 24 hour urine CrCl ≥ 40 mL/minute Cockcroft-Gault formula will be used to calculate CrCl. 24-hour urine CrCl will be derived using the measured creatinine clearance formula
    8. International normalized ratio (INR) ≤ 2.0 and activated partial thromboplastin time (aPTT) ≤ 1.5 x ULN; applies only to subjects who do not receive therapeutic anticoagulation; subjects receiving therapeutic anticoagulation (such as low-molecular weight heparin or warfarin) should be on a stable dose
  • 7. Willingness to provide consent for biopsy samples (In Part A, fresh pre-treatment biopsies will be requested from subjects with safely accessible lesions. For subjects who cannot provide a fresh pre-treatment biopsy, request for the most recent accessible archival specimen will be required. In Part B, C and D, fresh pre-treatment biopsies will be required from subjects with safely accessible lesions. The most recent archival specimens will also be requested).
  • 8. Females of childbearing potential who are sexually active with a nonsterilized male partner must use effective contraception from time of screening, and must agree to continue using such precautions for 90 days after the final dose of TAB004 or toripalimab; cessation of birth control after this point should be discussed with a responsible physician. Periodic abstinence, the rhythm method, and the withdrawal method are not acceptable methods of birth control.
  • 9. Females of childbearing potential are defined as those who are not surgically sterile (i.e., bilateral tubal ligation, bilateral oophorectomy, or complete hysterectomy) or postmenopausal (defined as at least 12 months with no menses confirmed by follicle-stimulating hormone [FSH] levels. FSH testing will be conducted at the Screening visit to confirm post-menopausal status).
  • 10. Subjects must use effective contraception. Nonsterilized males who are sexually active with a female partner of childbearing potential must use effective contraception from Day 1 and for 90 days after receipt of the final dose of TAB004 or toripalimab.

Exclusion Criteria:

  • 1. Concurrent enrollment in another clinical study, unless it is an observational (non interventional) clinical study or the follow-up period of an interventional study.
  • 2. Any concurrent anti-cancer therapy, such as but not limited to chemotherapy, targeted therapy, radiotherapy, immunotherapy, or biologic therapy. Radiation treatment for palliative intent is allowed provided that lesions other than those receiving radiation are available to measure response. Concurrent use of hormones for non-cancer-related conditions (e.g., insulin for type 2 diabetes and hormone replacement therapy) is acceptable.

Note: Local treatment of isolated lesions for palliative intent is acceptable (e.g., by local surgery or radiotherapy).

  • 3. Receipt of any investigational anticancer therapy within 28 days prior to the first dose of TAB004 or, provided documentable, 5 half lives whichever is shorter, except for lymphoma in which the exclusionary period is 2 weeks for immune checkpoint inhibitors only.
  • 4. Current or prior use of immunosuppressive medication within 2 weeks prior to the first dose of TAB004, with the exception of intranasal and inhaled corticosteroids or systemic corticosteroids not to exceed 10 mg/day of prednisone or equivalent.
  • 5. Prior exposure to anti-BTLA, or anti-HVEM antibodies for subjects enrolled into Part A and B only; prior treatment with anti-PD-1 or anti-PDL-1is allowed,including toripalimab for all subjects.
  • 6. Prior allogeneic bone marrow transplantation or prior solid organ transplantation.
  • 7. Subjects with another malignancy, or history or other malignancy within 3 years that is not expected to relapse. Subjects with non-melanomatous skin cancer or cervical cancer that has been curatively surgically resected are eligible.
  • 8. Major surgery (as defined by the investigator) within 28 days prior to first dose of TAB004 or has not recovered to at least Grade 1 from adverse effects from such procedure, or anticipation of the need for major surgery during study treatment.
  • 9. Unresolved toxicities from prior anticancer therapy, defined as having not resolved to baseline or to NCI-CTCAE v5.0 Grade 0 or 1, or to levels dictated in the inclusion/exclusion criteria with the exception of neuropathies that are stable or improving and alopecia. Subjects with irreversible toxicity that is not reasonably expected to be exacerbated by TAB004 may be included (e.g., hearing loss) after consultation with the medical monitor.
  • 10. Active or prior documented autoimmune disease, such as but not limited to systemic lupus erythematosus, multiple sclerosis, inflammatory bowel diseases, rheumatoid arthritis, autoimmune hepatitis, systemic sclerosis, autoimmune vasculitis, autoimmune neuropathies or type 1 insulin-dependent diabetes mellitus.

Note: Subjects with the following are not excluded: vitiligo; alopecia; Grave's disease not requiring systemic treatment other than thyroid hormone replacement (within the past 2 years) psoriasis not requiring systemic treatment; controlled celiac disease; subjects with a history of autoimmune hypothyroidism requiring only thyroid hormone replacement therapy; And type 2 diabetes, provided that it is adequately controlled.

  • 11. Clinically significant (intracranial, gastrointestinal) bleeding within 2 weeks prior to screening.
  • 12. Known history of tuberculosis.
  • 13. Subjects with history of or current drug-induced interstitial lung disease or pneumonitis ≥ Grade 2.
  • 14. Subjects who have discontinued prior immune therapy due to immune mediated adverse reaction(s).
  • 15. Subjects who are known to be human immunodeficiency virus positive.
  • 16. Subjects with evidence of hepatitis B or C virus infection, unless their hepatitis is considered to have been cured. (Note that subjects with prior hepatitis B virus infection must have HBV viral load < 100 IU/mL before study enrollment, and must be treated according to local standards; hepatitis C virus infection must have, before study enrollment, no detectable viral load and must be treated according to local standards).
  • 17. Active or prior documented inflammatory bowel disease (e.g., Crohn's disease, ulcerative colitis). Infection-related bowel inflammation, such as Clostridium difficile colitis, is not excluded provided that it has been fully resolved for ≥ 6 weeks.
  • 18. History of anaphylaxis, or eczema that cannot be controlled with topical corticosteroids asthma.
  • 19. Adult asthma that is moderate or severe, or asthma that has required: hospitalization in the last 2 years; invasive mechanical ventilation ever; systemic corticosteroids in the past year for exacerbations; or more than two short acting beta agonist (e.g., albuterol) administrations per month for breakthrough asthma symptoms. A history of childhood asthma or the presence of mild adult asthma that at baseline has symptoms that can be controlled well with inhaled corticosteroids or short acting beta agonists will not be excluded.
  • 20. Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure according to New York Heart Association Functional Classification ≥ 3, uncontrolled hypertension, unstable angina pectoris, cardiac arrhythmia, active peptic ulcer disease or gastritis, or psychiatric illness/social situations that would limit compliance with study requirements, substantially increase risk of incurring adverse events from TAB004, or compromise the ability of the subject to give written informed consent.
  • 21. Untreated central nervous system and leptomeningeal metastases or requiring ongoing treatment for these metastases, including corticosteroids. Subjects with previously treated brain metastases may participate provided they are clinically stable for at least 28 days prior to study entry, have no evidence of new or enlarging metastases, and are off steroids.
  • 22. Receipt of live attenuated vaccination within 28 days prior to study entry or within 30 days of receiving TAB004.
  • 23. Any condition or treatment or diagnostic test that, in the opinion of the investigator or sponsor, would interfere with evaluation of TAB004 or interpretation of subject safety or study results.
  • 24. Pregnancy or breast feeding women.
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04137900


Contacts
Layout table for location contacts
Contact: Richard Curry, MD 800-753-2389 rcurry@ctifacts.com

Locations
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Sponsors and Collaborators
Shanghai Junshi Bioscience Co., Ltd.
TopAlliance Biosciences, Inc.
CTI Clinical Trial and Consulting Services
Investigators
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Study Director: Sheng Yao, PhD TopAlliance Biosciences, Inc.
More Information
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Responsible Party: Shanghai Junshi Bioscience Co., Ltd.
ClinicalTrials.gov Identifier: NCT04137900    
Other Study ID Numbers: TAB004-01
First Posted: October 24, 2019    Key Record Dates
Last Update Posted: May 6, 2023
Last Verified: February 2023

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Shanghai Junshi Bioscience Co., Ltd.:
immunotherapy
BTLA
HVEM
check point inhibitor
solid tumor
non-small cell lung cancer
 NSCLC
melanoma
lymphoma
monoclonal antibody
phase 1 trial
Additional relevant MeSH terms:
Layout table for MeSH terms
Neoplasms