The purpose of this study is to evaluate the safety, tolerability, dosimetry and preliminary efficacy of \[177Lu\]Lu-NNS309 and the safety and imaging properties of \[68Ga\]Ga-NNS309 in patients aged ≥ 18 years with locally advanced or metastatic pancreatic ductal adenocarcinoma (PDAC), non-small cell lung cancer (NSCLC), HR+/HER2- ductal and lobular breast cancer (BC), triple negative breast cancer (TNBC) and colorectal cancer (CRC).
Age ≥ 18 years old
Locally advanced unresectable or metastatic PDAC with disease progression following, or intolerance to cytotoxic chemotherapy, unless patient was ineligible to receive such therapy
Locally advanced unresectable or metastatic NSCLC without any actionable genomic alterations with disease progression following, or intolerance to chemotherapy and immunotherapy, unless patient was ineligible to receive such therapy, or locally advanced unresectable or metastatic NSCLC with an actionable genomic alteration with disease progression following, or intolerance to targeted therapy, unless patient was ineligible to receive such therapy
Locally advanced unresectable or metastatic HR+/HER2- ductal or lobular BC with disease progression following, or intolerance to, at least 2 lines of therapy, unless patient was ineligible to receive such therapy
Absolute neutrophil count (ANC) < 1.5 x 109/L, hemoglobin < 9 g/dL, or platelet count < 100 x 109/L
QT interval corrected by Fridericia's formula (QTcF) ≥ 470 msec
Creatinine clearance < 60 mL/min
Unmanageable urinary tract obstruction or urinary incontinence