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
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Condition or disease | Intervention/treatment | Phase |
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Solid Tumor | Drug: SHR2150 Drug: Anti-Cancer Agent | Phase 1 Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 50 participants |
Allocation: | Non-Randomized |
Intervention Model: | Sequential Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | 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 |
Estimated Study Start Date : | October 10, 2020 |
Estimated Primary Completion Date : | November 30, 2021 |
Estimated Study Completion Date : | November 30, 2022 |
Arm | Intervention/treatment |
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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.
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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. |
Experimental: Phase 2 Dose-Expansion
SHR2150 RP2D will be combined with chemotherapy plus PD-1 or CD47 antibody in 3-week treatment cycles.
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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. |
- 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.
- 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.
- 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.

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Ages Eligible for Study: | 18 Years to 80 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Subjects must have histologically proven unresectable/ metastatic solid tumors.
- ≥ 18 years old.
- Life expectancy of at least 6 months.
- Eastern Cooperative Oncology Group performance status 0-3.
- Subjects must have at least one measurable lesion ≥ 1 cm as defined by response criteria.
- Subjects must have received at least two frontlines therapies, except for patients initially diagnosed with local advanced or metastatic pancreatic cancer or cholangiocarcinoma.
- 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.
- Adequate organ function.
- 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.
- 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:
- Subjects with any autoimmune disease or history of syndrome that requires corticosteroids or immunosuppressive medications.
- Serious uncontrolled medical disorders or active infections, pulmonary infection especially.
- Prior organ allograft.
- Women who are pregnant or breastfeeding.
- Women with a positive pregnancy test on enrollment or prior to investigational product administration.
- Subjects who are compulsorily detained for treatment of either a psychiatric or physical (eg, infectious disease) illness.

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): NCT04588324
Contact: Weidong Han, M.D. | +861066937463 | hanwdrsw@sina.com |
China, Beijing | |
Biotherapeutic Department of Chinese PLA General Hospital | Recruiting |
Beijing, Beijing, China, 100853 | |
Contact: Weidong D Han, M.D. +86-10-66937463 hanwdrsw@sina.com | |
Contact: C | |
Principal Investigator: Weidong Han | |
Sub-Investigator: Qian Mei | |
Sub-Investigator: Yang Liu | |
Sub-Investigator: Qingming Yang | |
Sub-Investigator: Meixia Chen | |
Sub-Investigator: Yan Zhang | |
Sub-Investigator: Zhipeng Guo | |
Sub-Investigator: Jiejie Liu | |
Sub-Investigator: Miaomiao Bai |
Principal Investigator: | Weidong Han | Biotherapeutic Department of Chinese PLA General Hospital |
Responsible Party: | Han weidong, Principal Investigator, Chinese PLA General Hospital |
ClinicalTrials.gov Identifier: | NCT04588324 |
Other Study ID Numbers: |
CHN-PLAGH-BT-059 |
First Posted: | October 19, 2020 Key Record Dates |
Last Update Posted: | October 19, 2020 |
Last Verified: | October 2020 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Undecided |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
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