A Study of RC48-ADC Combined With JS001 for Advanced Extramammary Paget Disease of the Scrotum (NCT06791070) | Clinical Trial Compass
RecruitingPhase 2
A Study of RC48-ADC Combined With JS001 for Advanced Extramammary Paget Disease of the Scrotum
China20 participantsStarted 2025-01
Plain-language summary
The goal of this clinical trial is to learn if Disitamab Vedotin combined with Toripalimab works to treat advanced HER2-positive extramammary Paget disease of the scrotum. It will also learn about the safety of this combination. The main questions it aims to answer are: Does this combination reduce tumor volume and delay disease progression? What medical problems do participants have when receving this combination? Participants will: Intravenous using this combination every 3 weeks until disease progression or intolerable adverse reactions occur. Visit the clinic once every 3 weeks for checkups and tests.
Who can participate
Age range18 Years – 80 Years
SexMALE
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Inclusion Criteria:
Voluntarily sign the informed consent form and comply with the requirements of the protocol.
Age ≥ 18 years old. Confirmed diagnosis by histological examination, combined with imaging assessment for scrotal extramammary Paget's disease; pathologically confirmed as HER2 positive, i.e., immunohistochemical test HER2 ≥ 1+.
ECOG score: 0 to 1. At least one measurable lesion (according to the RECIST criteria, non-nodal lesions with a longest diameter on CT scan ≥10 mm, and nodal lesions with a shortest diameter on CT scan ≥15 mm); or skin lesions that can be evaluated according to the WHO criteria.
Adequate organ function: Blood routine: Absolute Neutrophil Count (ANC) ≥1.5×10\^9/L, Platelet (PLT) ≥70×10\^9/L, Hemoglobin (HGB) ≥80g/L; Liver function: Total Bilirubin (TBIL) ≤1.5×Upper Limit of Normal Value (ULN); Alanine Aminotransferase (ALT) and Aspartate Aminotransferase (AST) ≤3×ULN; Serum Albumin ≥28 g/L; Alkaline Phosphatase (ALP) ≤5×ULN; If the subject has received routine liver protection treatment and meets the above standards, and is stable for at least one week after assessment by the researcher, they may be enrolled; Renal function: Serum Creatinine (Cr) ≤1.5×ULN, or Creatinine Clearance ≥50 mL/min (using the standard Cockcroft-Gault formula): Coagulation function: International Normalized Ratio (INR) ≤1.5 / Prothrombin Time (PT) ≤1.5×ULN, Activated Partial Thromboplastin Time (aPTT) ≤1.5×ULN; If the subject is receiving anticoagulant therapy, as…