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Brief Title: Durvalumab and Chemotherapy Induction Followed by Durvalumab and Radiotherapy in Large Volume Stage III NSCLC
Official Title: BRIDGE Trial: Phase II Trial of durvalumaB and chemotheRapy Induction Followed by Durvalumab and Radiotherapy in larGe volumE Stage III NSCLC
Study ID: NCT04765709
Brief Summary: Standard treatment for stage III Non-Small Cells Lung Cancer (NSCLC) not eligibile for surgery is concomitant chemoradiotherapy. However median progression free survival and overall survival is still poor with only 15% of patients alive at 5 years. The addition of maintenance therapy with durvalumab after chemoradiation showed a significant benefit in PFS and OS, with good tolerability and no concerns in terms of safety. However, about 30% of patients with stage III are not eligible to concurrent chemoradiotherapy because of large volumes of the tumor. To date, these patients are initially treated with chemotherapy with the aim of reducing tumor volumes and allowing sequential radiotherapy. Response rate ranges between 25-30% and majority of patients will not become suitable for radiotherapy. The combination of immunotherapy plus standard chemotherapy in advanced stages doubles response rates and provides major tumor shrinkage compared to standard chemotherapy alone. For these reasons, the investigators want to exploit the synergistic effect of immunotherapy combined with chemotherapy in the induction phase, in order to render suitable for radiotherapy a larger number of patients, and in a second phase the synergistic effect with radiotherapy. Based on these premises the investigators designed a single arm, phase 2 trial to determine the efficacy and safety of combining immunotherapy with the drug durvalumab in association with standard chemotherapy and subsequently with standard radiotherapy, followed by a treatment of maintenance with only durvalumab. The study population includes patients with NSCLC not eligible for surgery or concurrent chemoradiation at diagnosis because of large tumor volumes. BRIDGE trial aims to evaluate the proportion of patients who did not progress and who achieved a mean lung dose \<20 Gy and/or a lung V20\<35% (response) after part 1. The primary objective of the study is to increase the proportion of patients eligible for immunotherapy plus radiotherapy after induction with durvalumab and chemotherapy, in comparison with historical controls. This study will last approximately 60 months and will include approximately 65 eligible patients in 3 international cancer centres of excellence.
Detailed Description: Standard treatment for stage III Non-Small Cells Lung Cancer (NSCLC) not eligibile for surgery is concomitant chemoradiotherapy. However median progression free survival and overall survival is still poor with only 15% of patients alive at 5 years. The addition of maintenance therapy with durvalumab after chemoradiation showed a significant benefit in PFS and OS, with good tolerability and no concerns in terms of safety. However, about 30% of patients with stage III are not eligible to concurrent chemoradiotherapy because of large volumes of the tumor. To date, these patients are initially treated with chemotherapy with the aim of reducing tumor volumes and allowing sequential radiotherapy. Response rate ranges between 25-30% and majority of patients will not become suitable for radiotherapy. The combination of immunotherapy plus standard chemotherapy in advanced stages doubles response rates and provides major tumor shrinkage compared to standard chemotherapy alone. For these reasons, the investigators want to exploit the synergistic effect of immunotherapy combined with chemotherapy in the induction phase, in order to render suitable for radiotherapy a larger number of patients, and in a second phase the synergistic effect with radiotherapy. Based on these premises the investigators designed a single arm, phase 2 trial to determine the efficacy and safety of combining immunotherapy with the drug durvalumab in association with standard chemotherapy and subsequently with standard radiotherapy, followed by a treatment of maintenance with only durvalumab. The study population includes patients with NSCLC not eligible for surgery or concurrent chemoradiation at diagnosis because of large tumor volumes. The study consists of 3 parts: * Part 1: induction with durvalumab plus chemotherapy. * Part 2: patients with a sufficient tumor shrinkage to be considered eligible for part 2 and they will be treated concomitantly with durvalumab and radiotherapy. * Part 3: patients with partial response or stable disease after part 2 will be eligible for durvalumab maintenance, for up to 2 years or until disease progression or unacceptable toxicity. BRIDGE trial aims to evaluate the proportion of patients who did not progress and who achieved a mean lung dose \<20 Gy and/or a lung V20\<35% (response) after part 1. The primary objective of the study is to increase the proportion of patients eligible for immunotherapy plus radiotherapy after induction with durvalumab and chemotherapy, in comparison with historical controls. This study will last approximately 60 months and will include approximately 65 eligible patients in 3 international cancer centres of excellence.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Gustave Roussy Institute, Paris, , France
Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, , Italy
Vall d'Hebron Barcelona Hospital, Barcelona, , Spain
Name: Valter Torri
Affiliation: Istituto di Ricerche Farmacologiche Mario Negri IRCCS
Role: STUDY_CHAIR
Name: Roberto Ferrara
Affiliation: Fondazione IRCCS ISTITUTO NAZIONALE TUMORI
Role: PRINCIPAL_INVESTIGATOR