這是一項第一期b／第二期、開放標籤、劑量遞增、劑量擴展及劑量優化研究，旨在評估ADG126-pembrolizumab聯合方案在晚期／轉移性實體瘤患者中的安全性、耐受性、藥物動力學及免疫原性。 研究藥物ADG126是一種抗CTLA-4全人源單克隆抗體，特異性結合人類CTLA-4。Pembrolizumab是一種PD-1受體阻斷抗體（人源化IgG4單克隆抗體）。
適應症：Advanced/Metastatic Solid Tumors
收案條件
納入條件
- ≥18 years of age at the time of informed consent.
- Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1.
- Wash out period from previous antitumor therapies
- At least 1 measurable lesion at baseline according to the definition of RECIST v1.1.
- Adequate organ function.
- An archival tumor biopsy is required and should be taken within 2 years of enrollment. If not available, a fresh tumor biopsy is acceptable.
- For Dose Escalation Phase Only: Patients with histologically or cytologically confirmed, locally advanced or metastatic solid tumors, who have progressed after all standard therapies, or for whom no further standard therapy exists.
- Dose Expansion Phase Only: Tumor tissues (archived tissue) before treatment are required for all patients.
排除條件
- Pregnant or breastfeeding females.
- Childbearing potential who does not agree to the use of contraception during the treatment period.
- Treatment with any investigational drug within washout period.
- Prior treatment with a PD-1, PD-L1 targeting agent or a next-generation anti-CTLA-4 therapy with enhanced ADCC function.
- History of significant irAEs or irAE.
- Central nervous system (CNS) disease involvement.
- History or risk of autoimmune disease.
- Patients requiring systemic treatment with corticosteroids or other immunosuppressive medications (\>10 mg/day prednisone or equivalent).
- Any uncontrolled active infections requiring systemic antimicrobial treatment (viral, bacterial, or other), or uncontrolled or poorly controlled, asthma, chronic obstructive pulmonary disease (COPD).
- Major surgery within 4 weeks prior to the first dose of the study drug.
- Has had an allogeneic tissue/solid organ transplant.
- Has received a COVID-19 vaccine within 7 days prior to the first dose of study treatment. Has received a live or live-attenuated vaccine within 30 days prior to the first dose of study treatment. Note: Administration of killed vaccines are allowed.
- A positive COVID-19 test within 14 days of Cycle 1 Day 1.
- History of Hypersensitivity or known to be allergic to protein drugs or recombinant protein.
- Active hemoptysis or central airway invasion by metastatic tumor.
收案條件維持 ClinicalTrials.gov 原始英文登錄資料，實際收案資格以研究團隊的正式評估與受試者同意書為準。資料來源：ClinicalTrials.gov，每兩週自動更新，最後同步：2026年10月8日。