A Study of RC108-ADC in Subjects With Advanced Digestive System Malignant Tumor

NCT ID: NCT05628857

Last Updated: 2026-01-06

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: PHASE2
• Total Enrollment: 29 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2022-11-11
• Study Completion Date: 2025-12-31

Brief Summary

A multi-center, open-label, study designed to evaluate the preliminary efficacy, safety and pharmacokinetics of RC108 in patients with c-Me-positive advanced digestive system malignancies.

Detailed Description

The primary purpose of this trial is to evaluate the preliminary efficacy, safety and efficacy of RC108 in patients with c-Me positive advanced gastrointestinal malignancies such as gastric, colorectal, esophageal, hepatic, pancreatic and bile duct cancers.

Conditions

Digestive Cancer

Study Design

• Allocation Method: NON_RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

Cohort 1

gastric cancer patients

Group Type: EXPERIMENTAL

RC108

Intervention Type: DRUG

RC108 is comprised of an antibody component conjoined to a drug component in a lyophilized powder, which is made into solution for intravenous administration.

cohort 2

colorectal cancer patients

Group Type: EXPERIMENTAL

RC108

Intervention Type: DRUG

RC108 is comprised of an antibody component conjoined to a drug component in a lyophilized powder, which is made into solution for intravenous administration.

cohort 3

liver cancer patients

Group Type: EXPERIMENTAL

RC108

Intervention Type: DRUG

RC108 is comprised of an antibody component conjoined to a drug component in a lyophilized powder, which is made into solution for intravenous administration.

cohort 4

other digestive system malignancies, including esophageal cancer, pancreatic cancer, gallbladder cancer, etc.

Group Type: EXPERIMENTAL

RC108

Intervention Type: DRUG

RC108 is comprised of an antibody component conjoined to a drug component in a lyophilized powder, which is made into solution for intravenous administration.

Interventions

RC108

RC108 is comprised of an antibody component conjoined to a drug component in a lyophilized powder, which is made into solution for intravenous administration.

Intervention Type: DRUG

Eligibility Criteria

Inclusion Criteria

1. Voluntary agreement to provide written informed consent.

2. Male or female, aged between 18 to 75 years.

3. Predicted survival for ≥ 12 weeks. Diagnosed with histologically or cytologically confirmed locally advanced or metastatic Digestive System Malignant Tumor.

4. Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1.

5. All female subjects will be considered to be of child-bearing potential unless they are postmenopausal, or have been sterilized surgically. Female subjects of child-bearing potential must agree to use two forms of highly effective contraception. Male subjects and their female partner who are of child-bearing potential must agree to use two forms of highly effective contraception.

6. Willing to adhere to the study visit schedule and the prohibitions and restrictions specified in this protocol.

Adequate organ function, evidenced by the following laboratory result Participant has adequate bone marrow, renal, and hepatic function.

7. bone marrow function: Hemoglobin ≥ 9g/dL; Absolute neutrophil count ≥ 1.5×10^9 /L Platelets ≥ 100×10^9 /L.

8. hepatic function: Total bilirubin ≤ 1.5× ULN; AST and ALT ≤ 2.5×ULN and ≤ 5 x ULN with hepatic metastasis

9. renal, and hepatic function: Serum creatinine ≤1.5×ULN.

10. Cardiac ejection fraction ≥ 50%. Median QTc < 450 ms.

11. c-Met positive as confirmed by the central laboratory.

12. Measurable lesion according to RECIST 1.1.

Exclusion Criteria

1. Known hypersensitivity to the components of RC108-ADC.

2. Toxicity of previous anti-tumor treatment not recovered to CTCAE (v5.0) Grade 0-1 (with exception of Grade 2 alopecia).

3. Uncontrolled pericardial effusion or cardiac tamponade, or pleural or abdominal effusion with clinical symptoms.

4. History of receiving any anti-cancer drug/biologic treatment within 4 weeks prior to trial treatment.

5. History of major surgery within 4 weeks of planned start of trial treatment.

6. Has received a live virus vaccine within 4 weeks of planned start of trial treatment.

7. Currently known active infection with HIV or tuberculosis.

8. Diagnosed with HBsAg, HBcAb positive and HBV DNA copy positive, or HCVAb positive.

9. Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator.

10. History of other malignancy within the previous 5 years, except for appropriately treated carcinoma in situ of the cervix, non-melanoma skin carcinoma, or cancers with a similar curative outcome as those mentioned above.

11. Known central nervous system metastases.

12. Uncontrolled hypertension, diabetes, pulmonary fibrosis, acute lung disease, Interstitial lung disease, or liver cirrhosis;

13. Pregnancy or lactation.

14. Assessed by the investigator to be unable or unwilling to comply with the requirements of the protocol.

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 75 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

RemeGen Co., Ltd.

INDUSTRY

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Jianmin Fang, Ph.D

Role: STUDY_DIRECTOR

RemeGen Co., Ltd.

Locations

Beijing Cancer Hopspital

Beijing, Beijing Municipality, China

Countries

China

Other Identifiers

RC108-C002

Identifier Type: -

Identifier Source: org_study_id