This study is an open-label, multicenter Phase I clinical trial to evaluate the safety, tolerability, pharmacokinetic profiles, and preliminary efficacy of HLX97 ( KAT6A/B inhibitor) in patients with advanced/metastatic solid tumors.
Subjects must voluntarily agree to participate in the trial and sign a written informed consent form;
18-80 years of age, either sex;
Subjects who meet the corresponding requirements below will be enrolled.
Part 1A will enroll subjects with histologically or cytologically confirmed advanced/metastatic HR-positive, HER2-negative breast cancer (BC), castration-resistant prostate cancer (CRPC), or non-small cell lung cancer (NSCLC) who have failed standard therapy or for whom no standard therapy exists.
History of any second malignancy within 3 years prior to signing the ICF. Exceptions include early-stage malignancies (carcinoma in situ or Stage I tumors) that have been curatively treated, such as non-melanoma skin cancer, cervical carcinoma in situ, localized prostate cancer, ductal carcinoma in situ of the breast, or papillary thyroid cancer.