Combination treatment for advanced non-small cell lung cancer

A Phase Ib/II Clinical Trial to Evaluate the Safety and Efficacy of SI-B001+SI-B003 With or Without Chemotherapy (SI-B001+SI-B003± Chemotherapy) in the Treatment of Locally Advanced or Metastatic Non-small Cell Lung Cancer (NSCLC)

This study is testing a new combination of two drugs for people with advanced non-small cell lung cancer to see if it works better than standard treatments.

Quick facts

• Phase: Phase1; Phase2
• Study type: Interventional
• Enrollment: 160 (estimated)
• Ages: 18 Years to 75 Years
• Sex: All
• Sponsor: Sichuan Baili Pharmaceutical Co., Ltd. (Industry-sponsored)
• Drugs / interventions: chemotherapy, immunotherapy
• Locations: 1 site (Shanghai, Shanghai Municipality)
• Trial ID: NCT05949606 on ClinicalTrials.gov

What this trial studies

This clinical trial evaluates the safety and efficacy of a combination of two investigational drugs, SI-B001 and SI-B003, in patients with locally advanced or metastatic non-small cell lung cancer. The study is conducted in two phases: the first phase focuses on determining the recommended dose and assessing tolerability, while the second phase aims to evaluate the effectiveness of the drug combination with or without chemotherapy. Participants will undergo ctDNA testing to identify specific genetic markers related to their cancer.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 to 75 with locally advanced or metastatic non-small cell lung cancer who have not responded to standard therapies.

Not a fit: Patients with specific driver gene mutations that are not eligible for this trial may not benefit from this treatment.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with advanced non-small cell lung cancer.

How similar studies have performed: Other studies have shown promise with similar combinations of targeted therapies in lung cancer, suggesting potential for success in this approach.

Eligibility criteria

Inclusion Criteria:

1. Voluntarily sign the informed consent form and comply with the protocol requirements;
2. No gender restrictions;
3. Age ≥18 years and ≤75 years;
4. Expected survival time ≥3 months;
5. Subjects must agree to complete ctDNA testing during the screening period;
6. Histologically or cytologically confirmed locally advanced or metastatic non-small cell lung cancer (NSCLC) patients;
7. Agree to provide archived or fresh tumor tissue samples from primary or metastatic lesions;
8. Must have at least one measurable lesion as defined by RECIST v1.1;
9. Performance status score: ECOG ≤1;
10. Toxicity from prior anti-tumor therapy has recovered to ≤ Grade 1 as defined by NCI-CTCAE v5.0;
11. No severe cardiac dysfunction, with left ventricular ejection fraction (LVEF) ≥50%;
12. Organ function levels must meet the requirements without transfusion, albumin, colony-stimulating factors, any cell growth factors, and/or platelet-raising drugs within 14 days before the first dose of the study drug;
13. Coagulation function: International Normalized Ratio (INR) ≤1.5, and activated partial thromboplastin time (APTT) ≤1.5 × ULN;
14. Urine protein ≤1+ or ≤1000 mg/24h;
15. Female subjects of childbearing potential or male subjects with partners of childbearing potential must use highly effective contraception from 7 days before the first dose until 24 weeks after the last dose. Female subjects of childbearing potential must have a negative serum pregnancy test within 7 days before the first dose.

Exclusion Criteria:

1. Prior to signing the informed consent form, relevant genetic alterations were indicated;
2. For patients enrolled in Phase II, any of the following conditions apply: a) Patients suitable for and willing to undergo local therapy; b) Patients who have received systemic chemotherapy;
3. Symptomatic brain parenchymal or leptomeningeal metastases, deemed ineligible by the investigator;
4. Participation in any other clinical trial within 4 weeks prior to the administration of this trial's investigational product (based on the last dose date);
5. Use of chemotherapy, biologic therapy, immunotherapy, etc., within 4 weeks or 5 half-lives prior to the first dose, or palliative radiotherapy, small-molecule targeted therapy, or other antitumor treatments within 2 weeks before the first dose;
6. Major surgery (as defined by the investigator) within 4 weeks prior to the first dose;
7. Requirement for systemic corticosteroids or immunosuppressive therapy within 2 weeks before the study drug administration;
8. Pulmonary diseases graded as ≥3 according to NCI-CTCAE v5.0; history of interstitial lung disease (ILD), current ILD, or suspected ILD during screening;
9. Concurrent pulmonary disease resulting in clinically significant respiratory impairment;
10. Unstable thrombotic events requiring therapeutic intervention within 6 months before screening (excluding catheter-related thrombosis);
11. Active infection requiring intravenous anti-infective therapy;
12. Imaging findings indicating tumor invasion or encasement of major thoracic, cervical, or pharyngeal blood vessels, with a risk of bleeding post antitumor therapy;
13. Prior immunotherapy leading to ≥Grade 3 immune-related adverse events (irAE) or ≥Grade 2 immune-related myocarditis;
14. Use of live attenuated vaccines within 4 weeks before the first dose of the study drug;
15. Use of immunomodulatory drugs within 14 days before the first dose of the study drug;
16. Patients at risk of active autoimmune diseases or with a history of autoimmune diseases;
17. History of other malignancies within 5 years before the first dose;
18. Positive for human immunodeficiency virus (HIV) antibodies, active tuberculosis, active hepatitis B virus (HBV) infection, or hepatitis C virus (HCV) infection;
19. Poorly controlled hypertension (systolic blood pressure \>150 mmHg or diastolic blood pressure \>100 mmHg);
20. History of severe cardiovascular or cerebrovascular diseases;
21. Patients with significant serous cavity effusion, symptomatic effusion, or poorly controlled effusion;
22. History of allogeneic stem cell, bone marrow, or organ transplantation;
23. History of hypersensitivity to recombinant humanized antibodies or any excipients of SI-B001 or SI-B003;
24. History of autologous or allogeneic stem cell transplantation;
25. Pregnant or lactating women;
26. Any other condition deemed unsuitable for participation in this clinical trial by the investigator.

Where this trial is running

Shanghai, Shanghai Municipality

• Shanghai Pulmonary Hospital — Shanghai, Shanghai Municipality, China (Recruiting)

Study contacts

• Principal investigator: Caicun Zhou, PHD — Shanghai Pulmonary Hospital, Shanghai, China
• Study coordinator: Sa Xiao, PHD

Conditions Non-small Cell Lung Cancer