POLARIS-3: A study recruiting people with SDH-deficient gastrointestinal stromal tumours (GIST) who have had prior treatment to evaluate how safe and effective a targeted therapy called Olverembatinib isA Single-Arm Registrational Phase III Study of Olverembatinib in the Treatment of Patients With SDH-Deficient Gastrointestinal Stromal Tumor (POLARIS-3)

Exclusion

1. Received antitumor cytotoxic chemotherapy, radiotherapy, biologic drug therapy, immunotherapy, or other investigational agents within 14 days or less than 5 times the half-life prior to the first dose.
2. Tyrosine kinase inhibitor (TKI) therapy within 7 days prior to the first dose.
3. Use of drugs that have drug interactions with the study drug within 7 days prior to the first dose.
4. Adverse events due to prior treatment have not recovered (> NCI CTCAE v5.0 Grade 1).
5. Absorption disorder syndrome or other conditions that affect the absorption of oral medications.
6. With clinically significant, uncontrolled or active cardiovascular disease or thrombotic disease.
7. Poorly controlled hypertension after hypertension medication.
8. Severe cardiovascular and cerebrovascular diseases during previous use of TKIs.
9. Uncontrolled Hyperlipidemia.
10. Major surgery, open biopsy, or major traumatic injury within 14 days prior to initiation of study drug.
11. With brain metastases.
12. Other malignancies within 2 years.
13. Uncontrolled systemic active fungal, bacterial, and/or viral infections.
14. Female patients who are pregnant or lactating, or female patients who are expecting to become pregnant within the period of this study.
15. Any symptoms or disease of the patient, in the judgment of the investigator or sponsor, that may jeopardize their safety or interfere with the safety evaluation of the investigational drug.