A Study to Investigate Safety and Tolerability of SH3809 Tablet in Patients With Advanced Solid Tumors

Inclusion Criteria:

1. Age between 18 and 75 years inclusive;
2. Histologically or cytologically confirmed advanced malignant solid tumors, eligible patients should be either refractory or intolerant to all available therapies known to confer a clinical benefit as determined by the investigator, except for primary hepatic carcinoma;
3. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1;
4. Life expectancy ≥ 3 months;
5. Adequate hematologic, hepatic and renal function;
6. Participant willing to agree to not father a child/become pregnant and comply with effective contraception criteria;
7. Provision of signed and dated, written informed consent prior to any study-specific evaluation.

Exclusion Criteria:

1. Previous treatment with any SHP2 inhibitors;
2. Spinal cord compression, meningeal metastases or brain metastases unless asymptomatic, stable and not requiring steroids for at least 2 weeks prior to start of study treatment;
3. Life-threatening autoimmune disease or autoimmune disorder with long-term steroid treatment;
4. Active infection with hepatitis B virus (HBV), hepatitis C virus (HCV), human immunodeficiency virus (HIV) and treponema pallidum (TP);
5. Patients who have impaired cardiac function or clinically significant cardiac diseases;
6. Active, clinically significant interstitial lung disease or pneumonitis;
7. Females who are pregnant or breastfeeding;
8. Judgment by the investigator that the patient should not participate in the study.