A Study of SI-B003 and BL-B01D1+SI-B003 in Patients With Locally Advanced or Metastatic Non-small Cell Lung Cancer, Nasopharyngeal Carcinoma and Other Solid Tumors

Summary

Phase II: To explore the efficacy, safety and tolerability of BL-B01D1+SI-B003 in patients with locally advanced or metastatic non-small cell lung cancer and nasopharyngeal carcinoma, and to further explore the optimal dose and mode of combination.

Eligibility

Inclusion Criteria:

1. Sign the informed consent form voluntarily and follow the protocol requirements;
2. Gender is not limited;
3. Age: ≥18 years old and ≤75 years old;
4. Expected survival time ≥3 months;
5. Patients with histologically and/or cytologically confirmed locally advanced or metastatic solid tumors such as non-small cell lung cancer and nasopharyngeal carcinoma;
6. Consent to provide archival tumor tissue samples or fresh tissue samples from primary or metastatic lesions within 2 years;
7. At least one measurable lesion meeting the RECIST v1.1 definition was required;
8. ECOG 0 or 1;
9. The toxicity of previous antineoplastic therapy has returned to ≤ grade 1 as defined by NCI-CTCAE v5.0;
10. No severe cardiac dysfunction, left ventricular ejection fraction ≥50%;
11. No blood transfusion, no use of cell growth factors and/or platelet raising drugs within 14 days before the first use of the study drug, and the level of organ function must meet the requirements;
12. Coagulation function: international normalized ratio ≤1.5, and activated partial thromboplastin time≤1.5 ULN;
13. Urinary protein ≤2+ or ≤1000mg/24h;
14. For premenopausal women with childbearing potential, a pregnancy test must be performed within 7 days before starting treatment, serum or urine must be negative for pregnancy, and must be non-lactating; All enrolled patients (male or female) were advised to use adequate barrier contraception throughout the treatment cycle and for 6 months after the end of treatment.

Exclusion Criteria:

1. For stage 3 Cohort\_A, patients with MET 14 exon skipping detected by gene sequencing report before signing informed consent;
2. Chemotherapy, biological therapy and other anti-tumor therapies have been used within 4 weeks or 5 half-lives before the first dose; Mitomycin and nitrosoureas were administered within 6 weeks before the first dose; Oral drugs such as fluorouracil;
3. Had received immunotherapy and developed ≥ grade 3 irAE or ≥ grade 2 immune-related myocarditis;
4. Use of immunomodulatory drugs within 14 days before the first dose of study drug;
5. History of severe heart disease;
6. QT prolongation, complete left bundle branch block, III degree atrioventricular block;
7. Systemic corticosteroids or immunosuppressive agents are required within 2 weeks before study dosing;
8. Active autoimmune and inflammatory diseases;
9. Other malignancies diagnosed within 5 years before the first dose;
10. Hypertension poorly controlled by two antihypertensive drugs;
11. Pulmonary disease was defined as grade ≥3 according to CTCAE v5.0; Patients with current or history of ILD;
12. Unstable thrombotic events requiring therapeutic intervention within 6 months before screening;
13. Patients with a large amount of serous cavity effusion, or serous cavity effusion with symptoms, or within 4 weeks before signing informed consent;
14. Patients with active central nervous system metastases;
15. Patients with a history of allergy to recombinant humanized antibody or human-mouse chimeric antibody or to any excipients of the test drug;
16. Prior organ transplantation or allogeneic hematopoietic stem cell transplantation;
17. Human immunodeficiency virus antibody positive, active tuberculosis, active hepatitis B virus infection or hepatitis C virus infection;
18. Active infection requiring systemic therapy;
19. Had participated in another clinical trial within 4 weeks before the first dose;
20. The investigator did not consider it appropriate to use other conditions for participation in the trial.

Conditions4

Interventions2

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