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An Open-Label, Phase II Study of Anti-CTLA-4/PD-1 Bispecific Antibody Combined with Chemotherapy in Advanced Esophageal Squamous Cell Carcinoma Patients Who Failed First-Line Treatment.

An Open-Label, Phase II Study of Anti-CTLA-4/PD-1 Bispecific Antibody Combined with Chemotherapy in Advanced Esophageal Squamous Cell Carcinoma Patients Who Failed First-Line Treatment.

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600116490
Enrollment
Unknown
Registered
2026-01-12
Start date
2026-01-12
Completion date
Unknown
Last updated
2026-01-27

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

Conditions

Esophageal cancer

Interventions

Experimental group:Combination therapy of anti-CTLA-4/PD-1 bispecific antibody with chemotherapy

Sponsors

The Second Affiliated Hospital of Anhui Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1.Be able to understand and voluntarily sign the written informed consent form, which must be signed before performing the specified study procedures required by the research; 2.Male or female aged >=18 years and =6 months; 5.Patients with unresectable or metastatic advanced esophageal squamous cell carcinoma confirmed by histopathological or cytological examination; 6.Have progressed after receiving at least first-line chemotherapy or discontinued first-line chemotherapy due to intolerance; If disease progression occurs during neoadjuvant/adjuvant chemotherapy or radical chemoradiotherapy or within 6 months after the last treatment, it is considered as having received first-line treatment; 7.At least one measurable lesion according to RECIST v1.1 criteria; 8.Meet the indications and basic requirements for chemotherapy, including essentially normal peripheral blood counts, no significant abnormalities in heart, liver, or kidney function, essentially normal electrocardiogram, and no unhealed wounds on the body; Laboratory indicators must meet the following requirements: Peripheral white blood cells (WBC) >=3.5×10^9/L, platelets (PLT) >=80×10^9/L, hemoglobin (Hb) >=80 g/L; Renal function: Serum creatinine (Cr) <=2.0×upper normal limit (UNL), blood urea nitrogen (BUN) <=2.5×UNL. Liver function: serum bilirubin (BIL) <=2.5×UNL, serum transaminase (ALT/AST) <=2.5×UNL; 9.For subjects who have previously used other chemotherapeutic drugs or radiotherapy, a washout period of at least 4 weeks is required before entering this trial; 10.Voluntary participation with good compliance, ability to cooperate with trial observation, and signed written informed consent form.

Exclusion criteria

Exclusion criteria: 1.patients with severe heart disease or history (including angina requiring medication, refractory hypertension, congestive heart failure, myocardial infarction, uncontrolled high-risk arrhythmia, or valvular heart disease); 2.patients with severe dysfunction of vital organs such as lungs, liver, or kidneys; 3.patients with intestinal obstruction, inflammation, unhealed wounds, ulcers, fistulas, or bleeding disorders; 4.subjects with other malignancies within the past 5 years or concurrent malignancies (excluding cured basal cell carcinoma of the skin, carcinoma in situ of the cervix, and breast cancer with no recurrence for >3 years after radical surgery); 5.active or uncontrolled severe infections (>=CTCAE grade 2 infection); 6.patients with current or prior central nervous system (CNS) metastasis; 7.patients requiring antiviral therapy for HIV, HBV, or HCV infection; 8.patients who have received CYP3A inhibitor treatment within the past 2 weeks; 9.patients with uncontrolled neurological or psychiatric disorders, poor compliance, or inability to cooperate and describe treatment responses; 10.patients participating in other clinical trials; 11. any other conditions deemed by the investigator to make the patient unsuitable for this trial.

Design outcomes

Primary

MeasureTime frame
Objective Response Rate, ORR;

Secondary

MeasureTime frame
Time to Relief (TTR);Duration of Response, DOR;Progression-Free Survival, PFS;Disease Control Rate, DCR;Overall Survival, OS;Safety;

Countries

China

Contacts

Public ContactMingjun Zhang

The Second Affiliated Hospital of Anhui Medical University.

michaelhww@zju.edu.cn+86 130 5306 9237

Outcome results

None listed

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