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ClinicalTrials.gov ID

NCT04363255

Lead Sponsor

Taizhou HospitalOTHER

Overall Status

Unknown status

Study Type

Interventional

Phase

Phase 2

Enrollment

20Estimated

Last Update Posted

Apr 28, 2020Actual

Start Date

May 1, 2020Estimated

Primary Completion Date

Dec 31, 2022Estimated

Completion Date

Mar 31, 2023Estimated

Official Title

Efficacy and Safety of First-line Etoposide/Platinum-based Chemotherapy Followed by Toripalimab Combined With Anlotinib for Maintenance in Extensive Small Cell Lung Cancer: A Single-arm, Multicentral Phase II Study

Brief Summary

Our aim in this study was to evaluate the efficacy and safety of etoposide combined with cisplatin or carboplatin (EC/EP) chemotherapy regimens followed by toripalimab combined with anlotinib for maintenance in extensive small cell lung cancer(ES-SCLC).

Detailed Description

Lung cancer is the most leading malignant tumor, among which small cell lung cancer accounts for about 15%. Approximately 65% of new patients were diagnosed with ES-SCLC at the first visit with less than 6 months of median PFS (mPFS) and 8-13 months of median OS (mOS). Platinum combined with etoposide or irinotecan chemotherapy is the first-line standard chemotherapy treatment. Despite high objective response of initial treatment, it is evitable to develop chemotherapy resistance and the effects of follow-up line treatment is dissatisfying. Therefore, combination therapy may be promising and efficient.

Anlotinib, the brand new multi-target protein tyrosine kinase (PTK) blockers, could normalize distribution of blood vessels in the tumor, gather T cells and enhance effect of immune drugs via vascular endothelial growth factor receptor (VEGFR), platelet-derived growth factor receptor (PDGFR), fibroblast growth factor receptor (FGFR), type Ⅲ tyrosine kinase and others signal pathways, and then inhibit the growth, proliferation and differentiation of lung cancer cells. According to ALTER1202 study, anlotinib played a promising role in local tumor control and effectively prolonged PFS in third line or more for ES-SCLC patients. Meanwhile, immunocheckpoint inhibitors can improve tumor immune microenvironment, relieve VEGF-mediated immunosuppression, reduce Treg activity, promote tumor antigen presenting ability and better infiltrate T cell into the tumor to play an anti-tumor effect. Emerging studies have shown that immunocheckpoint inhibitors, such as Atezolizumab, Pembrolizumab and Nivolumab, can effectively improve ORR, DoR and survival in SCLC patients. In terms of molecular mechanisms, immunocheckpoint inhibitors and vascular targeting drugs complemented and the combination of two drugs has superior efficacy in non-small cell lung cancer (NSCLC), just as it shown in IMpower150 and other studies. However, the role of immunocheckpoint inhibitors in maintenance therapy in SCLC were disappointing in CheckMate451 and a study of pembrolizumab, although it obtained some victories in first line or more for SCLC.

In summary, the investigators proposed that first-line etoposide/platinum-based chemotherapy followed by toripalimab combined with anlotinib for maintenance may prolong chemo-resistance in extensive small cell lung cancer.

• Small Cell Lung Carcinoma

• Etoposide Injection
• Carboplatin Injection
• Cisplatin injection
• Toripalimab
• Anlotinib hydrochloride

Ages Eligible for Study

Adult (18-64)Older Adult (65+)

Sexes Eligible for Study

All

Accepts Healthy Volunteers

No

Eligibility Criteria

Inclusion Criteria:

• 1. Patients must sign a specific informed consent form prior to clinical trial; 2. Extensive stage small cell lung cancer confirmed by histology or cytology; 3. Patients did not receive any system treatment before or only received EP/EC chemotherapy (time from the last medication of chemotherapy to the beginning of maintenance treatment must be ≤21 days); 4. Eastern Cooperative Oncology Group (ECOG) performance status 0-1; 5. An estimated survival duration of >5 months from the beginning of chemotherapy; 6. Age no less than 18; 7. A measurable lesion on image; 8. Patients with asymptomatic brain metastases or symptomatic brain metastases which were stable after treatment; 9. Before the first dose of drugs for study, patients should have appropriate organ function and the laboratory results must meet conditions as following: Blood routine examination: neutrophil absolute value (ANC) ≥1.5×109/L, platelet (PLT) ≥100×109/L, hemoglobin content (HGB) ≥9g/dl; Adequate hepatic function: bilirubin ≤1.5×ULN mg/dl, creatinine clearance ≥ 50 ml/min; Adequate hepatic function: Aspartate aminotransferase (AST) /alanine aminotransferase (ALT)> 2.5 × upper limit of normal (ULN) or > 5 × ULN (patients with liver metastasis), alkaline phosphatase (ALP) ≤2.5×ULN or ≤5×ULN (patients with bone metastasis), Total bilirubin (TB) ≤1.5×ULN, albumin (ALB)>30g/dl; Coagulation function: international normalized ratio (INR) ≤1.5×ULN, activated partial thromboplastin time (APTT) ≤1.5×ULN; Urine routine: 24-hour urine protein<1g (if urine protein ≥2+, additional 24-hour urine protein is required); Others: serum lipase or amylase ≤1.5×ULN or >1.5×ULN (subjects clinically or radiologically diagnosed with pancreatitis).

Exclusion Criteria:

• 1. Patients received EP/EC regiment received the last medication ≥21 days before maintenance treatment, or received other systematic anti-tumor treatment for ES-SCLC; 2. Patients with epidermal growth factor receptor (EGFR) or anaplastic lymphoma kinase (ALK) mutation; 3. Patients received any other experimental drugs or participated in another interventional clinical study within 4 weeks prior to signing the informed consent; 4. Patients received other systemic or local antitumor therapy (including but not limited to the use of other drugs for SCLC maintenance therapy or radiotherapy, but CR/PR subjects are allowed to use prophylactic cranial irradiation (PCI) after induction period treatment); 5. Patients with active and untreated brain metastases or carcinoma meningitis in CT or MRI examination during screening stage; 6. Patients with other malignant tumors within 5 years, except for curable malignant tumors (carcinoma in situ or stage I tumor), such as cervical carcinoma in situ, basal cell or squamous cell skin cancer and so on); 7. Patients received corticosteroids (>10mg/ day methyl prednisolone or equivalent dose) or other immunosuppressants (inhalation or local use of steroids and adrenal replacement treatment were permitted in the absence of an active autoimmune disease) less than 14 days prior to maintenance medications; 8. Patients with chronic or acute active hepatitis B (HBsAg positive and hepatitis B virus (HBV) DNA copy number >ULN), or HCV positive (HCV Ab positive and HCV RNA positive); Hepatitis B patients with previous HBV infection or who have been cured (HBsAg negative, HBcAb positive and HBV DNA copy number < ULN) were allowed to be enrolled; 9. Patients with interstitial lung disease, drug-induced pneumonia, radiation pneumonitis requiring steroid treatment, or active pneumonia with clinical symptoms; or other lung diseases causing moderate or severe lung dysfunction; Active pulmonary tuberculosis or the need for anti-tuberculosis treatment; 10. Patients who were allergy to one of research drugs, or allergy to any one of the immunocheckpoint inhibitors or other platinum; 11. Female patients during pregnant and lactation period, or patients were plan to pregnant; 12. Patients with factors that may cause the study to be forced to terminate halfway according to investigators' judgement, such as poor compliance, other serious diseases requiring combined treatment and so on.

Primary Purpose

Treatment

Allocation

N/A

Interventional Model

Single Group Assignment

Masking

None (Open Label)

Lead Sponsor

Taizhou HospitalOTHER

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