- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04481009
A Study to Evaluate YH003 in Combination With Toripalimab (Anti-PD-1 mAb) in Subjects With Advanced Solid Tumors
A Multicenter, Open-Label, Phase I/II Dose Escalation and Expansion Study to Evaluate the Safety, Tolerability, Efficacy and Pharmacokinetics of YH003 in Combination With Toripalimab (Anti-PD-1 mAb) in Subjects With Advanced Solid Tumors
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The study is comprised of a dose escalation part (Part I) exploring escalating doses of YH003 in combination with fixed dose toripalimab in subjects with advanced solid tumors (Part I), followed by an expansion part (Part II) with three expansion cohorts.
During Part I, dose escalation part of the study, a traditional 3+3 dose algorithm will be utilized to identify MTD(maximum tolerated dose) and/or RP2D (recommended phase 2 dose).
This dose escalation part will consist two phases, the run-in phase to explore safety and tolerability of YH003 as single agent and the combination phase to explore safety and tolerability of escalating doses of YH003 in combination with fixed dose Toripalimab.
The Phase II expansion part of this clinical trial will include three parallel cohorts(cohort 2A, 2B and 2C) of 20 subjects each treated with a dose around the RP2D of YH003 in combination with Toripalimab to assess the antitumor activity and safety/tolerability. One expansion cohort (2A) is YH003 and toripalimab in subjects with unresectable/metastatic melanoma, the other two expansion cohorts (2B and 2C) are YH003 and toripalimab with or without nab-paclitaxel + gemcitabine in unresectable/ metastatic pancreatic ductal adenocarcinoma.
Subjects will be monitored for safety, tolerability and efficacy throughout the study.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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Western Australia
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Nedlands, Western Australia, Australia, 6009
- Linear Clinical Research
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Subjects must have the ability to understand and willingness to sign a written informed consent document.
Part I dose escalation:
Have histologically advanced or cytologically confirmed solid tumor. Have progressed on after treatment with at least one standard therapy or intolerant of the standard therapy.
Part II dose expansion:
Cohort 2A: Histologically or cytologically confirmed unresectable or metastatic melanoma that had confirmed progressive disease during treatment with an anti-PD-1/PD-L1 therapy with or without additional CTLA-4 therapy. Subjects with BRAF activating mutation could have also received a BRAF inhibitor and/or MEK inhibitor regimen prior to anti-PD-1/PD-L1 therapy.
Cohort 2B, 2C: Subject has histologically or cytologically documented diagnosis of pancreatic ductal adenocarcinoma with unresectable locally advanced/metastatic disease Cohort 2B: had confirmed progressive disease during treatment with first line standard of care of chemotherapy per local standard.
Cohort 2C: treatment-naïve for unresectable locally advanced/metastatic disease.
- Subject must have measurable disease by RECIST 1.1. At least 1 unidimensional measurable target lesion per RECIST v1.1 for study Part II expansion cohorts.
- Subjects must be age 18 years or older.
- Subjects must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. Life expectancy ≥3 months.
- Subjects must have adequate organ function.
- Women of reproductive potential must have negative serum beta human chorionic gonadotropin (β -HCG) pregnancy test.
Exclusion Criteria:
- Part II Cohort 2A: History of life-threatening toxicity or treatment discontinuation due to related to prior anti-PD-1/PD-L1 and with or without CTLA-4 combination treatment for subjects with unresectable/metastatic melanoma.
- Subjects must not have another active invasive malignancy.
- Previous exposure to TNFR such as anti-CD137, OX40, CD27 and CD357 antibodies.
- Subjects must not have received any anticancer therapy or another investigational agent within the shorter of 4 weeks or 5 half-lives before the first dose of the study treatment.
- Subjects with a history of ≥ Grade 3 immune-related adverse events resulted from previous immunotherapy.
- History of clinically significant sensitivity or allergy to monoclonal antibodies and their excipients or known allergies to antibodies produced from Chinese hamster ovary cells, which in the opinion of the Investigator suggests an increased potential for an adverse hypersensitivity to YH003 or Toripalimab. Also history of severe hypersensitivity reaction to Nap-paclitaxel and/or gemcitabine.
- Primary central nervous system (CNS) malignancies or symptomatic CNS metastases.
- History of (non-infectious) pneumonitis that required corticosteroids or current pneumonitis, or history of interstitial lung disease.
- Subjects must not have a known or suspected history of an autoimmune disorder, including but not limited to inflammatory bowel disease, celiac disease, Wegner syndrome, Hashimoto syndrome, systemic lupus erythematosus, scleroderma, sarcoidosis, or autoimmune hepatitis, within 3 years of the first dose of study treatment.
- Clinically uncontrolled intercurrent illness, including an ongoing or active infection, active coagulopathy, uncontrolled diabetes, psychiatric illness that would limit compliance with the study requirements and other serious medical illnesses requiring systemic therapies.
- Severe cardiovascular disease including symptomatic congestive heart failure (New York Heart Association class III or IV), unstable angina, uncontrolled hypertension, cardiac arrhythmia, a history of myocardial infarction within 6 months or a history of arterial thromboembolic event and pulmonary embolism within 3 months of the first dose of investigational agent.
- QTc > 450 ms at baseline; no concomitant medications that would prolong the QT interval; no family history of long QT syndrome.
- Subjects must not have active infection of human immunodeficiency virus (HIV), hepatitis B, or hepatitis C.
- Subjects must not have a history of primary immunodeficiency.
- Subjects from endemic area will be specifically screened for tuberculosis. Subjects with active tuberculosis are excluded.
- Subjects must not receive concurrent or prior use of an immunosuppressive agent within 4 weeks of the first dose of YH003.
- Major surgery within 4 weeks prior to study entry and Minor surgery within 2 weeks prior to the first dose of YH003.
- Subjects must not have received a live attenuated vaccine within 28 days before the first dose of YH003, and subjects, if enrolled, should not receive live vaccines during the study or for 180 days after the last dose of YH003.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: YH003 with Toripalimab after PD-1/L1 +/- CTLA-4 treatment
YH003 in combination with Toripalimab in subjects with unresectable /metastatic melanoma after having failed PD-1/L1 +/- CTLA-4 treatment.
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YH003 will be administered intravenously over 60 minutes every 21-day cycle.
Toripalimab with fixed dose of 240 mg administered intravenously followed by YH003 administered intravenously every 21-day cycle.
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Experimental: YH003 with Toripalimab in subjects with PDAC
YH003 in combination with Toripalimab in subjects with unresectable/ metastatic pancreatic ductal adenocarcinoma (PDAC) as 2nd line treatment.
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YH003 will be administered intravenously over 60 minutes every 21-day cycle.
Toripalimab with fixed dose of 240 mg administered intravenously followed by YH003 administered intravenously every 21-day cycle.
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Experimental: YH003 with Toripalimab plus standard chemotherapy
YH003 in combination with Toripalimab plus standard chemotherapy (Nab-paclitaxel + Gemcitabine) in subjects with unresectable/metastatic PDAC as 1st line treatment
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YH003 will be administered intravenously over 60 minutes every 21-day cycle.
Toripalimab with fixed dose of 240 mg administered intravenously followed by YH003 administered intravenously every 21-day cycle.
Nab-paclitaxel will be administered each 21-day cycle.
Gemcitabine will be administrated each 21-day cycle.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall safety and tolerability profile of YH003 in combination with Toripalimab.
Time Frame: From screening up to 1 year
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The safety profile of YH003 in combination with Toripalimab will be assessed by monitoring the adverse events (AE) per NCI CTCAE v5.0
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From screening up to 1 year
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Maximum tolerated dose (MTD) and Recommended phase 2 dose (RP2D)
Time Frame: Cycle 1 of each cohort. Duration of one cycle is 3 weeks
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The MTD and RP2D will be determined based on the data of safety and tolerability
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Cycle 1 of each cohort. Duration of one cycle is 3 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Area under the serum concentration versus time curve (AUC)
Time Frame: Up to 1 year
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To determine the PK profile of YH003 alone and in combination with Toripalimab
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Up to 1 year
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Maximum serum concentration (Cmax)
Time Frame: Up to 1 year
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To determine the PK profile of YH003 alone and in combination with Toripalimab
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Up to 1 year
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Trough concentration before the next dose is administered (Ctrough)
Time Frame: Up to 1 year
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To determine the PK profile of YH003 alone and in combination with Toripalimab
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Up to 1 year
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Time to reach maximum serum concentration (Tmax)
Time Frame: Up to 1 year
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To determine the PK profile of YH003 alone and in combination with Toripalimab
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Up to 1 year
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Clearance (CL)
Time Frame: Up to 1 year
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To determine the PK profile of YH003 alone and in combination with Toripalimab
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Up to 1 year
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Volume of distribution (Vd)
Time Frame: Up to 1 year
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To determine the PK profile of YH003 alone and in combination with Toripalimab
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Up to 1 year
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Volume of distribution at steady state (Vss)
Time Frame: Up to 1 year
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To determine the PK profile of YH003 alone and in combination with Toripalimab
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Up to 1 year
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Terminal half-life (T1/2)
Time Frame: Up to 1 year
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To determine the PK profile of YH003 alone and in combination with Toripalimab
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Up to 1 year
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Dose proportionality
Time Frame: Up to 1 year
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To determine the PK profile of YH003 alone and in combination with Toripalimab
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Up to 1 year
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Incidence of anti-drug antibodies (ADAs)
Time Frame: Up to 1 year
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To assess the immunogenicity of YH003 in combination with Toripalimab
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Up to 1 year
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Incidence of neutralizing antibodies (NAbs)
Time Frame: Up to 1 year
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To assess the immunogenicity of YH003 in combination with Toripalimab
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Up to 1 year
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Objective response rate (ORR)
Time Frame: Up to 1 year
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To assess the preliminary antitumor activity of YH003 in combination with Toripalimab
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Up to 1 year
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Duration of response (DOR)
Time Frame: Up to 1 year
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To assess the preliminary antitumor activity of YH003 in combination with Toripalimab
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Up to 1 year
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Time to response (TTR)
Time Frame: Up to 1 year
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To assess the preliminary antitumor activity of YH003 in combination with Toripalimab
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Up to 1 year
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Progression free survival (PFS)
Time Frame: Up to 1 year
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To assess the preliminary antitumor activity of YH003 in combination with Toripalimab
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Up to 1 year
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Overall survival (OS)
Time Frame: Up to 1 year
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To assess the preliminary antitumor activity of YH003 in combination with Toripalimab
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Up to 1 year
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Disease control rate (DCR)
Time Frame: Up to 1 year
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To assess the preliminary antitumor activity of YH003 in combination with Toripalimab
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Up to 1 year
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Duration of disease control (DDC)
Time Frame: Up to 1 year
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To assess the preliminary antitumor activity of YH003 in combination with Toripalimab
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Up to 1 year
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Neoplasms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antiviral Agents
- Enzyme Inhibitors
- Antimetabolites, Antineoplastic
- Antimetabolites
- Antineoplastic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Tubulin Modulators
- Antimitotic Agents
- Mitosis Modulators
- Antineoplastic Agents, Phytogenic
- Gemcitabine
- Paclitaxel
Other Study ID Numbers
- YH003002
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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