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SKB264 in combination with apatinib for third-line treatment of advanced gastric cancer

A single-arm, single-center phase II clinical trial of sacituzumab tirumotecan (SKB264) in combination with apatinib for third-line treatment of patients with advanced gastric cancer

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500109428
Enrollment
Unknown
Registered
2025-09-18
Start date
2025-10-01
Completion date
Unknown
Last updated
2025-09-22

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

Conditions

Advanced gastric cancer

Interventions

sacituzumab tirumotecan in combination with apatinib:sacituzumab tirumotecan in combination with apatinib

Sponsors

Yantai Yuhuangding Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Age >=18 years at the time of signing the informed consent form, regardless of gender. 2.Histologically or pathologically confirmed adenocarcinoma of the stomach and gastroesophageal junction. 3.Previous failure of standard second - line systemic treatment. 4.For patients with brain metastases, those with asymptomatic or stable - symptomatic brain metastases are eligible for enrollment. 5.According to RECIST v1.1, at least one measurable target lesion should be identified by the investigator. 6.Eastern Cooperative Oncology Group (ECOG) performance status score of 0 - 2. 7.Expected survival time >=12 weeks. 8.Adequate organ and bone marrow function. 9.For female subjects of child - bearing potential and male subjects whose partners have reproductive potential, effective medical contraceptive measures must be agreed to from the time of signing the informed consent form until 6 months after the last dose. 10.Subjects voluntarily participate in this study, sign the informed consent form, and are able to comply with the visit and related procedures stipulated in the protocol.

Exclusion criteria

Exclusion criteria: 1.Participated in other drug clinical trials within 4 weeks before enrollment. 2.Previously received apatinib or other anti - angiogenic drugs; those with imaging showing tumor invasion of major blood vessels, or those judged to be highly likely to have the tumor invade important blood vessels during the subsequent study period, leading to fatal massive hemorrhage; those with a tendency to bleed, such as acute gastrointestinal bleeding, persistent bleeding diseases, or coagulation disorders. 3.Those with multiple factors affecting oral drug intake (such as inability to swallow, post - gastrointestinal resection, chronic diarrhea, and intestinal obstruction, etc.). 4.Previously received treatment targeting TROP2 and/or treatment with topoisomerase I inhibitors. 5.Had other malignancies within the past 5 years, excluding cured carcinoma in situ of the cervix, cutaneous basal cell carcinoma, or cutaneous squamous cell carcinoma. 6.Known history of allergy to the drugs in this protocol and their components. 7.Positive result in human immunodeficiency virus (HIV) test or history of acquired immunodeficiency syndrome (AIDS); known active syphilis infection. 8.History of allogeneic organ transplantation and allogeneic hematopoietic stem cell transplantation. 9.Received live vaccines within 30 days before the first study drug administration. 10.History of (non - infectious) interstitial lung disease (ILD) or non - infectious pneumonia requiring steroid treatment, currently having ILD or non - infectious pneumonia, or having suspicious ILD or non - infectious pneumonia that cannot be excluded by imaging examination at the time of screening; clinically severe lung damage caused by pulmonary comorbidities, including but not limited to any underlying pulmonary diseases (such as pulmonary embolism within 3 months before drug administration, severe asthma, severe chronic obstructive pulmonary disease, restrictive lung disease, pleural effusion, etc.) or any autoimmune, connective tissue, or inflammatory diseases that may involve the lungs (i.e., rheumatoid arthritis, Sjögren’s syndrome, sarcoidosis, etc.), or previous total pneumonectomy. 11.Suffering from active autoimmune diseases that required systemic treatment within the past 2 years (hormone replacement therapy is not considered systemic treatment, such as type I diabetes, hypothyroidism only requiring thyroxine replacement therapy, adrenal or pituitary insufficiency only requiring physiological - dose glucocorticoid replacement therapy). 12.Active infection requiring systemic treatment within 2 weeks before the first drug administration. 13.According to the investigator’s judgment, having concomitant diseases that seriously endanger the patient’s safety or affect the patient’s completion of the study, including but not limited to uncontrolled hypertension with drugs, severe diabetes, active infection, etc. 14.Documented severe dry eye syndrome, severe meibomian gland disease, and/or blepharitis, or history of corneal diseases that impede delayed corneal healing. 15.Pregnant or lactating female patients, female patients of child - bearing potential with a positive baseline pregnancy test, and female patients of child - bearing potential who are unwilling to take effective contraceptive measures during the treatment with the test drug and within 6 months after the last dose. 16.Any other conditions that, in the investigator’s opinion, make the patient unsuitable for participation

Design outcomes

Primary

MeasureTime frame
Objective Response Rate;

Secondary

MeasureTime frame
Progression-Free Survival;safety;

Countries

China

Contacts

Public ContactJian Chen

Yantai Yuhuangding Hospital

chenj@qq.com+86 535 6691999

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026