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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

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05774873
Enrollment
28
Registered
2023-03-20
Start date
2023-08-09
Completion date
2025-03-20
Last updated
2026-01-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Advanced Solid Tumors

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.

Interventions

DRUGIBI334

There are six dose of IBI334 ,QW IV in first cycle and Q2W IV behind the first cycle

Sponsors

Innovent Biologics (Suzhou) Co. Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

: 1. 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; 2. Male or female subjects ≥ 18 years old; 3. Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1; 4. Anticipated life expectancy of ≥ 12 weeks; 5. 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;

Exclusion criteria

: 1. Participate in any other interventional clinical research except observational (non-interventional) study or in the follow-up phase of the interventional study; 2. Received live vaccines within 4 weeks prior to first dose of the study drug or plan on receiving any live vaccine during the study; 3. History of immunodeficiency disease, including congenital or acquired immunodeficiency diseases; 4. Severe allergic or hypersensitive to other EGFR or B7H3 antibodies or any ingredients of IBI334; 5. 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;

Design outcomes

Primary

MeasureTime frame
Number of patients with treatment-related adverse eventsUp to 60 days post last dose
Percentage of subjects woth Dose-Limitine toxicities(DLTs)Up to 28 days following first dose

Secondary

MeasureTime frame
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
Prevalence and incidence of anti-IBI334 antibodies.Day 1 up to treatment duration reaches 24 months
Preliminary efficacy : objective response rate (ORR) as evaluated per the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 criteriaDay 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: area under the curve (AUC)Day 1 up to treatment duration reaches 24 months
Preliminary efficacy : disease control rate (DCR) as evaluated per the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 criteriaDay 1 up to treatment duration reaches 24 months
Preliminary efficacy :time to response (TTR) as evaluated per the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 criteriaDay 1 up to treatment duration reaches 24 months
Preliminary efficacy :progression-free survival (PFS) as evaluated per the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 criteriaDay 1 up to treatment duration reaches 24 months
Preliminary efficacy :overall survival (OS)Day 1 up to treatment duration reaches 24 months
Preliminary efficacy : duration of response (DoR) as evaluated per the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 criteriaDay 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

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 26, 2026