An Open-Label, Multicenter, Phase I Study to Evaluate the Safety, Pharmacokinetics and Preliminary Efficacy of YY201 in Patients With Advanced Solid Tumors and Hematological Malignancies

Exclusion Criteria

• •1\. The adverse reactions of previous antineoplastic therapy have not recovered to CTCAE 5.0 grade ≤1 (except for toxicities without safety risks judged by investigators, such as alopecia, grade 2 peripheral neurotoxicity, and hypothyroidism stable with hormone replacement therapy);
• •2\. Clinically symptomatic parenchymal or leptomeningeal metastases that were judged by the investigator to be ineligible for enrollment and, for AML patients, known central nervous system (CNS) involvement
• •3\. Within 4 weeks before delivery for the first time received chemotherapy, radiation therapy, biological therapy and endocrine therapy, immune therapy, such as antitumor drugs, with the exception of the following situations:
• •* Nitrosourea or mitomycin C within 6 weeks before first use of study drug;
• •* Oral fluorouracils and small-molecule targeted agents are administered 2 weeks before first use of the study drug or within the five half-lives of the drug, whichever is longer;
• •* Have antitumor indications for the study of the first use of drugs of traditional Chinese medicines before 2 weeks;
• •* For peripheral blood leukocyte count (WBC \> 25 x 10\^9 / L) of the patients, allowing use in treatment of the former and YY201 hydroxyurea control peripheral blood leukocytes;
• •* Prophylactic intrathecal chemotherapy (cytarabine, dexamethasone, and methotrexate) unless it is used to prevent central leukemia.
• •4\. Received other unlisted investigational drugs or treatments within 4 weeks before the first dose;
• •5\. Previously received STAT3 inhibitor for anti-tumor treatment;
• •6\. Major organ surgery (excluding needle biopsy) within 4 weeks before the first dose of medication or requiring elective surgery during the trial;
• •7\. Uncontrolled malignant pleural, ascites, or pericardial effusion that was judged by the investigator to be ineligible for enrollment;
• •8.Unable to oral drug swallowing, or by the researchers determine the condition of the seriously affect the gastrointestinal tract absorption, including but not limited to, such as inflammatory bowel disease (crohn's disease and ulcerative colitis, for example), or malabsorption syndrome, or chronic diarrhea;
• •9\. Patients who received a potent inducer or inhibitor of CYP3A4 within 1 week before the first dose or who required continued treatment with these drugs during the study;
• •10\. Patients with active gastric and duodenal ulcer, ulcerative colitis and other gastrointestinal diseases, or unresected tumor with active bleeding, or other conditions that may cause gastrointestinal bleeding or perforation as judged by the investigator;
• •11\. Thromboembolic events (including stroke events and/or transient ischemic attack) occurred within 12 months before the first dose of medication;
• •12\. Clinically significant cardiovascular disease, including but not limited to acute myocardial infarction, severe/unstable angina, or coronary artery bypass grafting within 6 months before the first dose of medication; Congestive heart failure with New York Heart Association (NYHA) grade ≥2; Left ventricular ejection fraction (LVEF) \<50%; A history of primary cardiomyopathy, clinically significant prolongation of the QTc interval, or a screening QTc interval \>470ms in women and \>450ms in men;
• •13\. Patients with active or previous autoimmune diseases with potential recurrence (such as systemic lupus erythematosus, rheumatoid arthritis, vasculitis, etc.), excluding patients with clinically stable autoimmune thyroid diseases and type I diabetes mellitus;
• •14\. Prior immunotherapy with grade ≥3 irAE or grade ≥2 immune-related myocarditis;
• •15\. Researchers to determine the clinical significance of 3 or more electrolyte abnormalities
• •16\. Patients with active infection requiring antiinfective treatment or unexplained fever (body temperature \>38.5 ° C) during screening or before the first dose of medication;
• •17\. Patients with active pulmonary tuberculosis (TB) who are receiving anti-TB treatment or have received anti-TB treatment within 1 year before the first dose; Known human immunodeficiency virus (HIV) infection; Patients with a history of hepatitis B were in the stage of active infection (HBsAg positive and HBV-DNA \> the detection limit of the research center); Patients with a history of hepatitis C were in the active infection stage, defined as positive HCV antibody test and HCV RNA above the local detection cut-off value;
• •18\. Patients who have received hematopoietic stem cell transplantation (HSCT) within 60 days prior to the start of study treatment, or are receiving immunosuppressive therapy after HSCT at screening, or have graft-versus-host disease (GVHD) requiring drug control:
• ••Patients treated with fixed oral dose and/or topical corticosteroids for cutaneous GVHD may be enrolled with approval of the Sponsor.
• •19\. Women who are pregnant (positive pregnancy test within 14 days before medication) or are breastfeeding.
• •20\. Men with fertility needs;
• •21\. Patients with known alcohol or drug dependence;
• •22\. Patients judged by the investigator that may not be able to comply with all study procedures;
• •23\. Any other disease, metabolic abnormality, abnormal physical examinations or laboratory abnormality with significant clinical significance. Investigator reasonably suspects that the patient has a disease or state that is not suitable for using of the study drug, or will affect interpretation of study results, or put the patient at high risk.