REAL-WORLD DURVALUMAB IN EXTENSIVE-STAGE SMALL CELL LUNG CANCER

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

71 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-07-30

Study Completion Date

2025-01-23

Brief Summary

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Primary lung cancer is one of the most common malignancies and causes of cancer-related death worldwide \[Passiglia et al., 2019; Bade and Dela Cruz, 2020\].

Lung cancer is classified into different types, among which small cell lung cancer (SCLC), accounting for 13%-20% of all lung cancer cases \[Pezzuto et al., 2019; Torres-Durán et al., 2021\], is an aggressive form of neuroendocrine malignancy characterized by rapid growth, tendency to disseminate early and high relapse rates \[El Sayed and Blais, 2021\].

There are persistently limited treatment options for SCLC \[DiBonaventura et al., 2019; El Sayed and Blais, 2021\], and the current clinical approach to SCLC treatment is chosen irrespective of biological subtype \[Rudin et al., 2021; Keogh et al., 2022\]. First-line treatments for ES-SCLC have been platinum-based chemotherapy combinations for decades, without significant differences in Overall Survival (OS) between cisplatin and carboplatin, valuing flexibility in the choice of platinum agent in treatment decision making for individual patients \[Dingemans et al., 2021\]. However, despite the high initial response rate, the prognosis remains poor \[Zhang et al., 2021; Johal et al., 2021\].

In recent years, immunotherapy has dramatically modified cancer treatment across several malignancies and has been an active area of investigation in SCLC \[Calles et al., 2019; Dingemans et al., 2021\]. Treatments that combine chemotherapy and immune checkpoint inhibitors (ICIs), such as durvalumab and atezolizumab, can increase immune responses to tumor cells, resulting in improved efficacy in ES-SCLC compared to chemotherapy alone \[Esposito et al., 2020; Konala et al., 2020; Hiddinga et al., 2021; Lim and Kang, 2021\]. These treatment regimens have been approved in many countries \[Wang et al., 2022\] and are now the standard of care in the ES-SCLC first-line setting, according to the ESMO \[Dingemans et al., 2021\] and the NCCN Clinical Practice Guidelines in Oncology \[Ganti et al., 2022\].

Durvalumab is a fully human, immunoglobulin G1 kappa (IgG1κ) monoclonal antibody that selectively blocks the interaction of programmed cell death ligand-1 (PD-L1) with PD-1 and CD80 \[IMFINZI® (durvalumab) Summary of Product Characteristics\]. The phase III CASPIAN study (ClinicalTrials.gov identifier: NCT03043872) showed that the addition of durvalumab to a combination regimen of etoposide with either cisplatin or carboplatin significantly improved OS compared with etoposide and platinum alone, with a manageable tolerability profile \[Paz-Ares et al., 2019; Goldman et al., 2021; Paz-Ares et al., 2022\].

Following the CASPIAN study, an Early Access Programme (EAP) to provide pre-approval access to durvalumab plus platinum-etoposide for ES-SCLC patients eligible to receive first-line platinum-based chemotherapy (D419QR00007 EAP, hereafter called 'CASPIAN EAP') was activated in Italy in March 2020, including 125 subjects across 39 oncology centers.

Clinical trials have demonstrated significant efficacy and a favorable safety profile of durvalumab combined with chemotherapy in ES-SCLC \[Paz-Ares et al., 2022\]. On the other hand, it is estimated that stringent eligibility criteria may exclude up to 70% of patients with lung cancer from ICI clinical trials \[von Itzstein et al., 2020\]. Understanding the efficacy and safety of ICIs in a more heterogeneous patient population than in randomized controlled trials is critical to realizing the full potential of these therapies. To fill the gap between strictly controlled clinical trial populations and actual lung cancer patients managed in clinical practice, observational studies from real-world settings are emerging \[von Itzstein et al., 2020\]. Although real-world studies are unable to achieve the high internal validity of randomized controlled trials (RCTs), accurately performed analyses of real-world data can provide valuable complementary results \[Nazha et al., 2021\].

In conclusion, considering that ES-SCLC are often elderly patients with multiple comorbidities \[Schulkes et al., 2016\] for whom the treatment decision-making is challenging \[DiBonaventura et al., 2019\], the ARAL observational study will contribute to filling the information gap by collecting real-world data from the CASPIAN EAP to better describe durvalumab treatment outcomes and treatment patterns among patients diagnosed with ES-SCLC in Italy.

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Detailed Description

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Conditions

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Small Cell Lung Carcinoma

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Interventions

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Durvalumab

PATIENTS INCLUDED IN AN EARLY ACCESS PROGRAMME TREATED WITH DURVALUMAB IN COMBINATION WITH PLATINUM AND ETOPOSIDE AS FIRST-LINE THERAPY

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Patients with diagnosis of extensive-stage Small Cell Lung Cancer (ES-SCLC).
2. Patients entered, at least 24 months prior to the study inclusion, the D419QR00007 Early Access Programme (CASPIAN EAP) implemented in Italy.
3. Adult patients (aged ≥ 18 years) at the time of inclusion in the CASPIAN EAP.
4. Patients having performed at least one administration of durvalumab treatment in the CASPIAN EAP.
5. Patients (or their legally acceptable representatives) who have signed the subject informed consent and privacy form, if applicable.