The Study of Envafolimab Combined With Concurrent Chemoradiotherapy In LS-SCLC

Sponsor
Cancer Institute and Hospital, Chinese Academy of Medical Sciences (Other)
Overall Status
Not yet recruiting
CT.gov ID
NCT05904015
Collaborator
(none)
80
2
46.9

Study Details

Study Description

Brief Summary

To evaluate the efficacy and safety of envafolimab combined with concurrent chemoradiotherapy in limited stage small cell lung cancer.

Condition or Disease Intervention/Treatment Phase
  • Drug: Envafolimab combined with concurrent chemoradiotherapy (Hypofractionated radiotherapy)
  • Drug: Envafolimab combined with concurrent chemoradiotherapy (Conventional Radiotherapy)
Phase 2

Detailed Description

Envafolimab is the world's first subcutaneous injection of PD-L1 monoclonal antibody. Suitable for adult patients with advanced solid tumors with unresectable or metastatic microsatellite highly unstable (MSI-H) or mismatch repair gene defects (dMMR).

Study Design

Study Type:
Interventional
Anticipated Enrollment :
80 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
A Prospective, Two Cohort, Multicenter Phase II Clinical Study of Envafolimab Combined With Concurrent Chemoradiotherapy and Immune Maintenance Therapy For Limited Stage Small Cell Lung Cancer
Anticipated Study Start Date :
Aug 1, 2023
Anticipated Primary Completion Date :
Dec 30, 2026
Anticipated Study Completion Date :
Jun 30, 2027

Arms and Interventions

Arm Intervention/Treatment
Experimental: Hypofractionated radiotherapy group

Envafolimab: 300mg SC d1,Q3W,2 cycles Cisplatin/carboplatin: Cisplatin: 75 mg/m2 IV d1,Q3W ,2 cycles or Carboplatin:AUC=5/6 IV d1,Q3W,2cycles Etoposide: 100mg/m2 IV d1,Q3W ,2 cycles Radiotherapy: Provide a prescription dose of 45Gy at a 95% PTV dose, with a single split dose of 3Gy, once a day, 5 times a week, for a total of 15 times. Envafolimab maintenance: 300mg,SC, d1. Q3W, up to 2 years or until PD or intolerable.

Drug: Envafolimab combined with concurrent chemoradiotherapy (Hypofractionated radiotherapy)
Envafolimab: 300mg SC d1,Q3W,2 cycles Cisplatin/carboplatin: Cisplatin: 75 mg/m2 IV d1,Q3W ,2 cycles or Carboplatin:AUC=5/6 IV d1,Q3W,2cycles Etoposide: 100mg/m2 IV d1,Q3W ,2 cycles Radiotherapy: Provide a prescription dose of 45Gy at a 95% PTV dose, with a single split dose of 3Gy, once a day, 5 times a week, for a total of 15 times. Envafolimab maintenance: 300mg,SC, d1. Q3W, up to 2 years or until PD or intolerable.
Other Names:
  • Hypofractionated Radiotherapy Group
  • Experimental: Conventional Radiotherapy

    Envafolimab: 300mg SC d1,Q3W,2 cycles Cisplatin/carboplatin:Cisplatin:75 mg/m2 IV d1,Q3W ,2 cycles or Carboplatin:AUC=5/6 IV d1,Q3W,2cycles Etoposide: 100mg/m2 IV d1,Q3W ,2 cycles Radiotherapy: Provide a prescription dose of 60Gy at a 95% PTV dose, with a single split dose of 2Gy, once per day, 5 times per week, for a total of 30 times Envafolimab maintenance: 300mg,SC, d1. Q3W, up to 2 years or until PD or intolerable.

    Drug: Envafolimab combined with concurrent chemoradiotherapy (Conventional Radiotherapy)
    Envafolimab: 300mg SC d1,Q3W,2 cycles Cisplatin/carboplatin:Cisplatin:75 mg/m2 IV d1,Q3W ,2 cycles or Carboplatin:AUC=5/6 IV d1,Q3W,2cycles Etoposide: 100mg/m2 IV d1,Q3W ,2 cycles Radiotherapy: Provide a prescription dose of 60Gy at a 95% PTV dose, with a single split dose of 2Gy, once per day, 5 times per week, for a total of 30 times. Envafolimab maintenance: 300mg,SC, d1. Q3W, up to 2 years or until PD or intolerable.
    Other Names:
  • Conventional Radiotherapy Group
  • Outcome Measures

    Primary Outcome Measures

    1. 2-year PFS rate [From date of randomization until the date of first documented progression or date of death from any cause up to 24 months.]

      2-yaer progression-free survival rate

    Secondary Outcome Measures

    1. ORR [From date of randomization until the date of first documented progression or date of death from any cause up to 24 months.]

      Objective Response Rate

    2. DCR [From date of randomization until the date of intolerance the toxicity or PD up to 24 months.]

      Disease control rate

    3. DOR [From date of randomization until the date of intolerance the toxicity or PD up to 24 months.]

      Duration of response

    4. OS [From date of randomization until the date of death(up to 24 months)]

      Overall survival

    5. Adverse event rate Adverse event rate Adverse event rate [From date of randomization until the date of toxicity or PD (up to 24 months)]

      Number of participants with adverse events as a measure of safety and tolerability

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years to 75 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:
    • The result of histopathological or cytological diagnosis is small cell lung cancer.

    • Diagnosed as limited stage by imaging examination (lesion limited to half chest and one radiotherapy field, without malignant pleural or pericardial effusion); And at least one measurable lesion that meets the RECIST 1.1 standard.

    • Have not received systematic treatment in the past, and initially underwent 2 cycles of etoposide+cisplatin/carboplatin induction therapy.

    • Age 18-75 years old, male or non pregnant female.

    • The expected survival period is>3 months.

    • ECOG score 0-1.

    • Weight>30 kilograms.

    • All patients underwent chest CT, head MRI, abdominal CT or MRI, and whole body bone scan before treatment to clarify.

    • Hematological indicators: white blood cell (WBC) count ≥ 4 * 109/L, absolute neutrophil count (ANC) ≥ 1.5 * 109/L, hemoglobin (Hb) level>100 g/L, platelet (Plt) count>100 * 109/L, serum creatinine (Cr) level<1.5 times the upper limit of normal value, serum alanine transaminase (AST) and glutamic transaminase (ALT) levels<2.5 times the upper limit of normal value, and serum bilirubin level ≤ 1.5 times the upper limit of normal value.

    • The patient has signed an informed notice and is willing and able to comply with the visit, treatment plan, laboratory examination, and other research procedures of the research plan.

    Exclusion Criteria:
    • Patients with non-small cell lung cancer or mixed components of small cell lung cancer in histopathology.

    • Patients with extensive stage small cell lung cancer (ES-SCLC).

    • Merge malignant pleural effusion and pericardial effusion.

    • Pregnant and lactating women.

    • Merge patients with more severe underlying diseases.

    • Patients who have previously been treated with inhibitors of immune regulatory points (CTLA-4, PD-1, PD-L1, etc.).

    • Patients may require long-term use of immunosuppressive drugs or systemic or local use of corticosteroids with immunosuppressive doses for comorbidities.

    • Patients with immunodeficiency disorders and a history of organ transplantation (including but not limited to: interstitial pneumonia, uveitis, enteritis, hepatitis, pituitary inflammation, nephritis, hyperthyroidism, hypothyroidism; vitiligo or childhood asthma. Patients who have completely relieved and do not require any intervention after adulthood can be included; asthma that requires medical intervention with bronchodilators cannot be included).

    • Those whose laboratory test values during the screening period before enrollment do not meet relevant standards.

    • Patients with significantly reduced heart, liver, lung, kidney, and bone marrow function.

    • Serious and uncontrolled internal diseases and infections.

    • Simultaneously using other investigational drugs or in other clinical trials.

    • Refusal or inability to sign informed consent form for participation in the experiment.

    • A history of allergies to etoposide, cisplatin, or any excipients.

    • Researchers have determined that patients are not suitable to participate in the study and are unlikely to comply with the study procedures, limitations, and requirements.

    Contacts and Locations

    Locations

    No locations specified.

    Sponsors and Collaborators

    • Cancer Institute and Hospital, Chinese Academy of Medical Sciences

    Investigators

    • Study Chair: LvHua Wang, Doc, Cancer Hospital Chinese Academy of Medical Sciences,ShenZhen Cencer

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    Responsible Party:
    LVHUA WANG, professor of medicine, Cancer Institute and Hospital, Chinese Academy of Medical Sciences
    ClinicalTrials.gov Identifier:
    NCT05904015
    Other Study ID Numbers:
    • RT-LC03
    First Posted:
    Jun 15, 2023
    Last Update Posted:
    Jun 15, 2023
    Last Verified:
    Jun 1, 2023
    Individual Participant Data (IPD) Sharing Statement:
    No
    Plan to Share IPD:
    No
    Studies a U.S. FDA-regulated Drug Product:
    No
    Studies a U.S. FDA-regulated Device Product:
    No
    Keywords provided by LVHUA WANG, professor of medicine, Cancer Institute and Hospital, Chinese Academy of Medical Sciences
    Additional relevant MeSH terms:

    Study Results

    No Results Posted as of Jun 15, 2023