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Study of SHR2150 (TLR7 Agonist) in Combination With Chemotherapy Plus PD-1 or CD47 Antibody in Subjects With Unresectable/ Metastatic Solid Tumors

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ClinicalTrials.gov Identifier: NCT04588324
Recruitment Status : Recruiting
First Posted : October 19, 2020
Last Update Posted : October 19, 2020
Sponsor:
Information provided by (Responsible Party):
Han weidong, Chinese PLA General Hospital

Tracking Information
First Submitted Date  ICMJE September 30, 2020
First Posted Date  ICMJE October 19, 2020
Last Update Posted Date October 19, 2020
Estimated Study Start Date  ICMJE October 10, 2020
Estimated Primary Completion Date November 30, 2021   (Final data collection date for primary outcome measure)
Current Primary Outcome Measures  ICMJE
 (submitted: October 8, 2020)
  • Safety of the combined regimen of SHR2150, chemotherapy, PD-1 or CD47 antibody [ Time Frame: 60 days after last dose ]
    Incidence, nature, and severity of adverse events graded according to the NCI CTCAE v5.0. AEs were considered to be treatment-related if they had started or worsened within the interval from first study drug administration until the follow-up visit.
  • Identify a RP2D of SHR2150 when given in combined regimen [ Time Frame: 30 days ]
    The Recommended Phase 2 Dose (RP2D) of SHR2150 in the combined regimen will be identified at Phase 1 dose escalation period, and will be used in the phase 2 dose expansion period.
  • Object response rate (ORR) [ Time Frame: 24 month ]
    ORR is defined as the proportion of subjects who achieved a partial response (PR) or complete response (CR) according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1.
Original Primary Outcome Measures  ICMJE Same as current
Change History
Current Secondary Outcome Measures  ICMJE
 (submitted: October 8, 2020)
  • Disease control rate (DCR) [ Time Frame: 24 months ]
    DCR is defined as the proportion of subjects who achieved a stable disease (SD), partial response (PR) or complete response (CR) according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1.
  • Progression-free survival (PFS) [ Time Frame: 24 months ]
    PFS was measured from study entry to the first documentation of disease progression or death. Disease progression was determined per the RECIST V1.1.
  • Duration of Response (DOR) [ Time Frame: 24 months ]
    DOR is defined as the time from the date of first documented response that is subsequently confirmed until date of documented progression or death in the absence of disease progression, the end of response should coincide with the date of progression or death from any cause used for the PFS endpoint. If the disease does not progress after a response, their duration of response will use the PFS censoring time.
  • Overall survival (OS) [ Time Frame: 24 months ]
    OS was measured from the study entry to the date of death.
  • Time to Response (TTR) [ Time Frame: 6 months ]
    TTR is defined as the period from the date of first dose to the date of the first evaluated response of CR or PR. If the response is not confirmed, it will not be included.
Original Secondary Outcome Measures  ICMJE Same as current
Current Other Pre-specified Outcome Measures
 (submitted: October 15, 2020)
  • Number of participants with laboratory test abnormalities [ Time Frame: Approximately 6 months ]
    The bead-based immunoassay of serum cytokines and chemokines, such as IFN-α/β/γ, IL-6 and so on, will be performed on day 1 and 3 of each cycle, and the abnormality will be determined by the investigator.
  • Number of participants with pathological immunology marker change [ Time Frame: Approximately 6 months ]
    Tumor tissues will be collected by biopsy at baseline and specified time points for all subjects. Tumor samples were analyzed by immunohistochemical pathological analysis and multiplex immunostaining.
Original Other Pre-specified Outcome Measures
 (submitted: October 8, 2020)
  • Number of participants with laboratory test abnormalities [ Time Frame: Approximately 6 months ]
    The bead-based immunoassay of serum cytokines and chemokines, such as IFN-α/β/γ, IL-6 and so on, will be performed on day 1 and 3 of each cycle, and the abnormality will be determined by the investigator.
  • Evaluate the effect by pathological analysis [ Time Frame: Approximately 6 months ]
    Tumor tissues will be collected by biopsy at baseline and specified time points for all subjects. Tumor samples were analyzed by immunohistochemical pathological analysis and multiplex immunostaining.
 
Descriptive Information
Brief Title  ICMJE Study of SHR2150 (TLR7 Agonist) in Combination With Chemotherapy Plus PD-1 or CD47 Antibody in Subjects With Unresectable/ Metastatic Solid Tumors
Official Title  ICMJE Phase I/II Study Evaluating Safety and Clinical Efficacy of SHR2150 (TLR7 Agonist) in Combination With Chemotherapy Plus PD-1 or CD47 Antibody in Subjects With Unresectable/ Metastatic Solid Tumors
Brief Summary This phase I/II trial aims to evaluate safety and efficacy of SHR2150 in combination with chemotherapy plus PD-1 or CD47 antibody in subjects with unresectable/ metastatic solid tumors. Patients will receive the combined regimen in 3-week treatment cycles. During the Phase 1 dose escalation portion of the trial, three oral doses of SHR2150 will be combined with intravenous administration of chemotherapy and PD-1 or CD47 antibody. In the Phase 2 dose expansion portion, patients will be treated with the Recommended Phase 2 Dose (RP2D) of SHR2150 in combination with chemotherapy plus PD-1 or CD47 antibody.
Detailed Description Identification of T cell inhibitory signals, including PD-1/L1, has prompted the development of a new class of cancer immunotherapy that could restore an adequate immunosurveillance against the neoplasm and enhance T-cell-mediated anticancer immune responses. However, elimination of cancer by T cells is only one step in the cancer-immunity cycle, which enable providing several therapeutic targets and tailoring of combinations of immune therapies. SHR2150 is a small molecule agonist of toll-like receptors (TLRs) 7 designed to activate antigen-presenting cells and functions as mucosal immunoadjuvants in pre-clinical studies. This study is a first-in-man, Phase I/II, dose escalation/expansion study of a combined regimen of SHR2150 in combination with chemotherapy plus PD-1 or CD47 antibody in subjects with unresectable/ metastatic solid tumors. This study is designed to assess the safety, tolerability, RP2D and clinical efficacy of this regimen.
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 1
Phase 2
Study Design  ICMJE Allocation: Non-Randomized
Intervention Model: Sequential Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Condition  ICMJE Solid Tumor
Intervention  ICMJE
  • Drug: SHR2150
    Patients will receive escalating doses of SHR-2150 (starting dose 2 mg) in 3-week treatment cycles.
  • Drug: Anti-Cancer Agent
    The previously resistant first-line cytotoxic regimens, anti-PD-1 antibody and/or anti-CD47 antibody will be administered intravenously Q3W.
  • Drug: SHR2150
    Patients will receive SHR-2150 at RP2D in 3-week treatment cycles.
Study Arms  ICMJE
  • Experimental: Phase 1 Dose-Escalation
    With a standard 3+3 dose escalation design, the enrollment will proceed until the MTD has been defined or the highest dose level has been reached.
    Interventions:
    • Drug: SHR2150
    • Drug: Anti-Cancer Agent
  • Experimental: Phase 2 Dose-Expansion
    SHR2150 RP2D will be combined with chemotherapy plus PD-1 or CD47 antibody in 3-week treatment cycles.
    Interventions:
    • Drug: Anti-Cancer Agent
    • Drug: SHR2150
Publications * Not Provided

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Recruiting
Estimated Enrollment  ICMJE
 (submitted: October 8, 2020)
50
Original Estimated Enrollment  ICMJE Same as current
Estimated Study Completion Date  ICMJE November 30, 2022
Estimated Primary Completion Date November 30, 2021   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  1. Subjects must have histologically proven unresectable/ metastatic solid tumors.
  2. ≥ 18 years old.
  3. Life expectancy of at least 6 months.
  4. Eastern Cooperative Oncology Group performance status 0-3.
  5. Subjects must have at least one measurable lesion ≥ 1 cm as defined by response criteria.
  6. Subjects must have received at least two frontlines therapies, except for patients initially diagnosed with local advanced or metastatic pancreatic cancer or cholangiocarcinoma.
  7. Subjects must be off prior therapy for at least 4 weeks prior to Day 1. Subjects with autologous hematopoietic stem-cell transplantation are eligible which must be more than 3 months. Subjects with Anti-PD-1 antibody are eligible which must be resistance.
  8. Adequate organ function.
  9. Female participants of childbearing potential must be willing to use an adequate method of contraception for the course of the study through 120 days after the last dose of study drug.
  10. Male participants of childbearing potential must agree to use an adequate method of contraception, starting with the first dose of study drug through 120 days after the last dose of study drug.

Exclusion Criteria:

  1. Subjects with any autoimmune disease or history of syndrome that requires corticosteroids or immunosuppressive medications.
  2. Serious uncontrolled medical disorders or active infections, pulmonary infection especially.
  3. Prior organ allograft.
  4. Women who are pregnant or breastfeeding.
  5. Women with a positive pregnancy test on enrollment or prior to investigational product administration.
  6. Subjects who are compulsorily detained for treatment of either a psychiatric or physical (eg, infectious disease) illness.
Sex/Gender  ICMJE
Sexes Eligible for Study: All
Ages  ICMJE 18 Years to 80 Years   (Adult, Older Adult)
Accepts Healthy Volunteers  ICMJE No
Contacts  ICMJE
Contact: Weidong Han, M.D. +861066937463 hanwdrsw@sina.com
Listed Location Countries  ICMJE China
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT04588324
Other Study ID Numbers  ICMJE CHN-PLAGH-BT-059
Has Data Monitoring Committee Yes
U.S. FDA-regulated Product
Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
IPD Sharing Statement  ICMJE
Plan to Share IPD: Undecided
Responsible Party Han weidong, Chinese PLA General Hospital
Study Sponsor  ICMJE Chinese PLA General Hospital
Collaborators  ICMJE Not Provided
Investigators  ICMJE
Principal Investigator: Weidong Han Biotherapeutic Department of Chinese PLA General Hospital
PRS Account Chinese PLA General Hospital
Verification Date October 2020

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP