The Primary Objective of This Study to Evaluate the Safety and Tolerability of IBI334 and Determine the Maximum Tolerated Dose (MTD) and the Recommended Phase 2 Dose (RP2D)and Anti Tumor Activity of IBI334.
A Phase I/II Study of IBI334 in Subjects With Unresectable, Locally Advanced or Metastatic Solid Tumors
1 other identifier
interventional
28
1 country
1
Brief Summary
This is open-label, multicenter, Phase I/II study is designed to evaluate the Safety and tolerability and Efficacy of IBI334 Monotherapy in participants with advanced solid tumors.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1
Started Aug 2023
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 8, 2023
CompletedFirst Posted
Study publicly available on registry
March 20, 2023
CompletedStudy Start
First participant enrolled
August 9, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 20, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
March 20, 2025
CompletedJanuary 6, 2026
December 1, 2025
1.6 years
February 8, 2023
December 31, 2025
Conditions
Outcome Measures
Primary Outcomes (2)
Number of patients with treatment-related adverse events
Up to 60 days post last dose
Percentage of subjects woth Dose-Limitine toxicities(DLTs)
Up to 28 days following first dose
Secondary Outcomes (12)
PK profile: major PK parameters of single and multiple doses of drugs, including but not limited to: area under the curve (AUC)
Day 1 up to treatment duration reaches 24 months
PK profile: major PK parameters of single and multiple doses of drugs, including but not limited to:maximum concentration (Cmax)
Day 1 up to treatment duration reaches 24 months
PK profile: major PK parameters of single and multiple doses of drugs, including but not limited to: clearance (CL)
Day 1 up to treatment duration reaches 24 months
PK profile: major PK parameters of single and multiple doses of drugs, including but not limited to: apparent volume of distribution (V)
Day 1 up to treatment duration reaches 24 months
PK profile: major PK parameters of single and multiple doses of drugs, including but not limited to: half-life (t1/2).
Day 1 up to treatment duration reaches 24 months
- +7 more secondary outcomes
Study Arms (1)
IBI334 in advanced solid tumors
EXPERIMENTALInterventions
There are six dose of IBI334 ,QW IV in first cycle and Q2W IV behind the first cycle
Eligibility Criteria
You may qualify if:
- Subjects with the ability to understand and give written informed consent for participation in this trial, including all evaluations and procedures as specified by this protocol;
- Male or female subjects ≥ 18 years old;
- Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1;
- Anticipated life expectancy of ≥ 12 weeks;
- At least 1 evaluable lesion per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1with Phase Ia ;At least 1 measurable lesion per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 with Phase Ib+II;
You may not qualify if:
- Participate in any other interventional clinical research except observational (non-interventional) study or in the follow-up phase of the interventional study;
- Received live vaccines within 4 weeks prior to first dose of the study drug or plan on receiving any live vaccine during the study;
- History of immunodeficiency disease, including congenital or acquired immunodeficiency diseases;
- Severe allergic or hypersensitive to other EGFR or B7H3 antibodies or any ingredients of IBI334;
- Plan to receive other antitumor therapy during the study excluding palliative radiotherapy for the purpose of symptom (like pain) relief, which must not affect tumor assessment throughout the study;
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Affiliated Cancer Hospital of Shandong First Medical university
Jinan, Shandong, 250117, China
Related Publications (1)
Guan J, Chia T, Li B, Zhu T, Liao Z, Deng J, Fu F, Wu W, Liu C, Liu Y, Li N, Yue L, Cao L, Lu J, Zhu M, Ling X, Zheng H, Lin S, Li L, Zhou S, He K. B7-H3-mediated cis-inhibition of EGFR by a tumor-selective bispecific antibody enhances anti-tumor efficacy and minimizes toxicities. Nat Commun. 2026 Feb 24. doi: 10.1038/s41467-026-69703-7. Online ahead of print.
PMID: 41735305DERIVED
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 8, 2023
First Posted
March 20, 2023
Study Start
August 9, 2023
Primary Completion
March 20, 2025
Study Completion
March 20, 2025
Last Updated
January 6, 2026
Record last verified: 2025-12