A Study to Evaluate the Tolerance, Efficacy and Pharmacokinetics of TQB3558 Tablets

A Phase I, Open-label, Dose Escalation and Expansion Study to Evaluate the Tolerance, Efficacy and Pharmacokinetics of TQB3558 Tablets

This is a study to evaluate the maximum tolerated dose (MTD) , occurrence of all adverse events (AE) and serious adverse events (SAE) , pharmacokinetic parameters and antitumor effect of TQB3558 tablets in Chinese adult patients with advanced solid tumors .The study is divided into phase Ia and phase Ib. Phase Ia: dose escalation period, to evaluate the safety and tolerability of TQB3558 tablets, determine MTD; Phase Ib: effectiveness exploration period, to expand the safe and effective dose group, recommend appropriate dosage and method for subsequent clinical research.

Inclusion Criteria:

• 1. Histologically or cytologically confirmed advanced malignant solid tumors, without conventional treatment methods or fail or relapse after treatment.

  2. Eastern Cooperative Oncology Group (ECOG) performance status score of 0 to 1; Life expectancy ≥12 weeks.

  3. Has at least one measurable lesion (based on RECIST 1.1) or bone metastases. 4. Adequate organ system function. 5. Patients need to adopt effective methods of contraception. 6. Understood and signed an informed consent form.

Exclusion Criteria:

• 1. Has received TRK inhibitors. 2. Has participated in any other clinical trials, or used other anti-cancer drugs, or received major surgical operations within 4 weeks before first administration.

  3. Has received local radiotherapy within 7 days or bone marrow radiotherapy within 4 weeks before the first administration.

  4. Has other malignant tumors in 2 years, except for cured or locally curable cancers.

  5. Has known spinal cord compression and cancerous meningitis. 6. Has interstitial lung disease, drug-induced interstitial lung disease, history of radiation lung disease requiring steroid therapy.

  7. Uncontrollable pleural effusion, pericardial effusion or ascites requiring repeated drainage.

  8. Obvious cardiovascular diseases. 9. Has a history of autoimmune disease, immunodeficiency. 10. Lactating women. 11. According to the judgement of the researchers, there are other factors that subjects are not suitable for the study.