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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03262454
Other study ID # NCC2017-0229
Secondary ID ML39728
Status Recruiting
Phase Phase 2
First received
Last updated
Start date January 22, 2018
Est. completion date July 31, 2024

Study information

Verified date April 2022
Source National Cancer Center, Korea
Contact Ji-Youn Han, Ph.D.
Phone +82-31-920-1154
Email jymama@ncc.re.kr
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The investigators hypothesized that local radiation therapy can enhance the effect of anti-PD-L1 monoclonal antibody through priming T-cell effector function against cancer cells. Described as above, The investigators concluded that modest dose of radiation to local site prior to immunotherapy is the best to enhance T-cell-mediated immunity. Accordingly, The investigators will investigate the combining effect of hypofractionated-sublethal dose of radiation therapy followed by anti-PD-L1 monoclonal antibody, atezolizumab, for SCLC patients who are recurrent or refractory for initial platinum-based chemotherapy


Description:

Small cell lung cancer (SCLC), accounting for 10% of all lung cancers (Torre et al., 2015), shows poor outcomes with 7-10 months of median survival in advanced cases (Jett et al., 2013). Despite novel treatment strategies including targeted therapy and immunotherapy for non-small cell lung cancer (NSCLC) have been introduced, the treatment options for SCLC still remain limited. Many clinical trials, which tested the efficacy of molecular targeted agents for SCLC, failed to show clinical benefit compared with conventional platinum-based chemotherapy (Koinis et al., 2016). Nevertheless, recent studies demonstrated that immunotherapy using anti-CTLA-4 or anti-PD1 monoclonal antibody can be novel therapeutic strategies for SCLC (Ott et al., 2015; Reck et al., 2013; SJ et al., 2015). In recent years, many studies have shown that radiation therapy can be a useful treatment as a combining treatment with immunotherapy. The abscopal effect refers to the ability of radiation delivered radiation delivered to a local site to treat the other diseases outside radiation field (Tang et al., 2014). A recent study described that abscopal effect was observed in a malignant melanoma patient treated with CTLA4 antagonist and radiotherapy (Postow et al., 2012). Moreover, an animal study presented that blockade of PD-L1 and ionizing radiation showed synergism (Deng et al., 2014). Based on these emerging evidences, the investigators hypothesized that local radiation therapy can enhance the effect of anti-PD-L1 monoclonal antibody through increasing T-cell effector function against tumors. Atezolizumab, which is a humanized anti-PD-L1 monoclonal antibody, act as an inhibitor the interaction between PD-L1 and PD-1, and eventually restore suppressed T-cell immunity leading elimination of cancer cells. In this study, the investigators will investigate the combining effect of hypofractionated-sublethal dose of radiation therapy followed by anti-PD-L1 monoclonal antibody, atezolizumab, for SCLC patients who are recurrent or refractory for initial platinum-based chemotherapy. Based on these emerging evidences, the investigators hypothesized that local radiation therapy can enhance the effect of anti-PD-L1 monoclonal antibody through priming T-cell effector function against cancer cells. Described as above, the investigators concluded that modest dose of radiation to local site prior to immunotherapy is the best to enhance T-cell-mediated immunity.


Recruitment information / eligibility

Status Recruiting
Enrollment 35
Est. completion date July 31, 2024
Est. primary completion date February 23, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Male or female patient aged 18 years or older 2. Histologically confirmed SCLC and available tumor tissues for PD-L1 staining 3. Progression during or after platinum-based chemotherapy. 4. At least one target tumor lesion that has not been irradiated within the past three months and that can accurately be measured in at least one dimension with longest diameter 5. Life expectancy of at least three months 6. Performance status of 0, 1, 2 on the ECOG criteria 7. Adequate hematologic and end-organ function, Patients may be transfused or receive erythropoietic treatment to meet this criterion. 8. Patient has given written informed consent which must be consistent with the International Conference on Harmonization - Good Clinical Practice (ICH-GCP) and local legislation Exclusion Criteria: 1. Previous therapy with anti-PD-1 or -PD-L1 inhibitors 2. Persistence of clinically relevant therapy related toxicities from previous chemotherapy and/or radiotherapy 3. Chemotherapy, treatment with tyrosine kinase inhibitors, or radiotherapy (except for brain and extremities) within the past 3 weeks prior to treatment with the trial drug i.e., the minimum time elapsed since the last anticancer therapy and the first radiotherapy must be 3 weeks 4. Treatment with other investigational drugs or treatment in another clinical trial within the past three weeks before start of therapy or concomitantly with this trial 5. Concomitant yellow fever vaccination 6. Active or untreated CNS metastases as determined by CT or MRI evaluation during screening and prior radiographic assessments 7. Spinal cord compression not definitively treated with surgery and/or radiation or previously diagnosed and treated spinal cord compression without evidence that disease has been clinically stable for 2 weeks prior to randomization 8. Leptomeningeal disease 9. Uncontrolled pleural effusion, pericardial effusion, or ascites requiring recurrent drainage procedures 10. Uncontrolled tumor-related pain 11. Uncontrolled hypercalcemia or symptomatic hypercalcemia requiring continued use of bisphosphonate therapy or denosumab 12. Significant cardiovascular diseases (i.e., hypertension not controlled by medical therapy, unstable angina, history of myocardial infarction within the past 12 months, congestive heart failure > NYHA II, serious cardiac arrhythmia, pericardial effusion) 13. Proteinuria CTCAE grade 2 or greater 14. Significant weight loss (> 10 %) within the past 6 weeks prior to treatment in the present trial 15. Current peripheral neuropathy = CTCAE(version4.0) Grade 2 except due to trauma 16. Major injuries and/or surgery with incomplete wound healing within the past ten days prior to enrollment 17. Serious infections requiring systemic antibiotic (e.g. antiviral, antimicrobial, antifungal) therapy 18. Active hepatitis C and/or B infection 19. Known human immunodeficiency virus (HIV) seropositivity 20. Serious illness or concomitant non-oncological disease such as neurologic-,psychiatric-, infectious disease or active ulcers (gastro-intestinal tract, skin) or laboratory abnormality that may increase the risk associated with study participation or study drug administration and in the judgment of the investigator would make the patient inappropriate for entry into the study 21. Patients who are sexually active and unwilling to use a medically acceptable method of contraception (e.g. such as implants, injectables, combined oral contraceptives, some intrauterine devices or vasectomized partner for participating females, condoms for participating males) during the trial and for at least 5 months after end of active therapy 22. Pregnancy or breast feeding 23. Psychological, familial, sociological or geographical factors potentially hampering compliance with the study protocol and follow-up schedule 24. Patients unable to comply with the protocol 25. Active alcohol or drug abuse 26. Other malignancy within the past three years other than basal cell skin cancer or carcinoma in situ of the cervix

Study Design


Intervention

Drug:
Atezolizumab
Patients undergo hypofractionated radiation therapy with 24 Gy over 4 fractions in days 1-4 of 1st cycle of atezolimumab and receive Atezolizumab 1200 mg fixed dose via intravenous on day 1 of each 3-week cycle until disease progression or unacceptable toxicity occurs.

Locations

Country Name City State
Korea, Republic of National Cancer Center Goyang-si Gyeonggi-do

Sponsors (2)

Lead Sponsor Collaborator
National Cancer Center, Korea Roche Korea co.,Ltd.

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type Measure Description Time frame Safety issue
Primary ORR Objective Response rate using RECIST v1.1 through study completion, and average of 1 years
Secondary PFS Progression Free Survival From date of enroll until the date of first documented progression or date of death from any cause, whichever came first, assessed up to at least 12 months
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