About this trial
This study was an open-label phase Ⅱ study to evaluate the safety and efficacy of SSGJ-705 Monotherapy and Combination Therapy in patients with advanced HER2-Expressing Solid Tumors.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Males and/or females over age 18.
Histologically and/or cytologically documented local advanced or metastatic non-Small Cell Lung Cancer(NSCLC),Breast Cancer(BC)or Gastric/Gastroesophageal Junction Cancer (G/GEJC).
Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.
Expected survival >3 months.
Disqualifiers
Any remaining adverse events (AEs) > grade 1 from prior anti-tumor treatment as per Common Terminology Criteria for Adverse Events(CTCAE) v5. 0, with exception of hair loss, fatigue, and grade 2 peripheral neurotoxicity.
Pregnant or nursing women or women/men who are ready to give birth.
symptomatic central nervous system metastasis.
Allergy to other antibody drugs or any excipients in the study drugs.
Trial design
Single group
Treatments tested in this trial
SSGJ-705
Druganti-PD-1 (programmed cell death protein 1) and anti-HER2 (Human Epidermal GrowthFactor Receptor 2)bispecifc antibody
PD-1/L1 inhibitor combined with chemotherapy
DrugImmune checkpoint inhibitors
SSGJ-705 combined with chemotherapy
Druganti-PD-1 and anti-HER2 bispecifc antibody
Treatment groups
Trial outcomes
Primary outcomes
Objective response rate (ORR)
The primary efficacy end point
Incidence of Treatment-Emergent Adverse Events
The primary safety end point
Severity of Treatment-Emergent Adverse Events
The primary safety end point
Secondary outcomes
Progression-Free-Survival (PFS)
The secondary efficacy end point
Sponsors and contacts
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