OSIREAL - Osimertinib RWE on EGFRm NSCLC in Spain

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

RECRUITING

Total Enrollment

500 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-07-28

Study Completion Date

2029-06-15

Brief Summary

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Lung cancer (LC) is the tumor responsible for the highest mortality worldwide. Lung adenocarcinoma is the major subtype of lung cancer and represents the deadliest human cancer, affecting current-, ex-, and even non-smokers.

Osimertinib is indicated as monotherapy for the first-line (1L) treatment of adult patients with locally advanced or metastatic NSCLC with activating mutations in the EGFR, for the treatment of adult patients with EGFR T790M mutation-positive locally advanced or metastatic NSCLC, for the adjuvant treatment of adult patients with NSCLC stages IB-IIIA after complete resection of the tumor that has activating mutations of the EGFR, for the treatment of adult patients with locally advanced, unresectable NSCLC whose tumours have EGFR exon 19 deletions or exon 21 substitution mutation and whose disease has not progressed during or following platinum-based chemoradiation therapy, and in combination with pemetrexed and platinum-based chemotherapy for the 1L treatment of adult patients with advanced NSCLC whose tumours have EGFR exon 19 deletions or exon 21 substitution mutations.

The FLAURA trial showed that treatment with osimertinib significantly prolongs PFS and improves overall survival (OS) compared to standard EGFR tyrosine kinase inhibitors.

The results of the ADAURA study showed a reduction in the risk of recurrence or death by 83% in stages II to IIIA, and in 80% in stages IB-IIIA. Additionally, osimertinib demonstrated a highly statistically significant improvement in DFS and HRQoL was maintained.

The FLAURA2 trial showed that 1L treatment with osimertinib-chemotherapy led to significantly longer progression-free survival than osimertinib monotherapy among patients with EGFR mutated (EGFRm) advanced NSCLC.

The LAURA trial showed that treatment with osimertinib after chemoradiotherapy resulted in significantly longer PFS than placebo among patients with unresectable stage III EGFRm NSCLC.

To date, there are no real-world data on osimertinib either in 1L treatment in locally advanced or metastatic EGFRm NSCLC nor as adjuvant treatment, in early stages of cancer, regarding effectiveness, adherence, treatment exposure and quality of life (QoL), among others, and in particular for the use of osimertinib in subpopulations less represented in pivotal trials such as elderly or patients with uncommon EGFR mutations. Furthermore, the duration of treatment in real life in Spain is also a gap, as it appears to be longer than in clinical trials, which means that there are patients who are treated beyond progression.

Therefore, this observational ambispective study based on real-world data aims to provide data on osimertinib use as adjuvant treatment in adult patients diagnosed with stages IB-IIIA EGFRm NSCLC, in 1L treatment in patients with locally advanced or metastatic EGFRm NSCLC, as consolidation treatment in patients with locally advanced, unresectable NSCLC whose tumours have EGFR exon 19 deletions or exon 21 substitution mutations and whose disease has not progressed during or following platinum-based chemoradiation therapy, and in combination with pemetrexed and platinum-based chemotherapy in patients with advanced NSCLC whose tumours have EGFR exon 19 deletions or exon 21 (L858R) substitution. Specifically, the study will focus on patient characteristics, adherence, treatment exposure, administration, survival, quality of life, effectiveness and safety providing insights into osimertinib use in daily practice for patients with EGFRm NSCLC, where there are current evidence gaps.

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Detailed Description

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Cancer continues to be one of the leading causes of morbidity and mortality in the world. It is estimated that in the year 2020, approximately 18.1 million new cases of cancer in the world, and that this figure will increase in the next two decades to 27 million. The most frequently diagnosed tumors in the world in 2020 were those of the breast, lung (which occupies the second position), colon and rectum, prostate and stomach, all of them with more than one million cases.

Also, in Spain, cancer is one of the main causes of morbidity and mortality. It is estimated that in 2020 there were 113,054 deaths from cancer in Spain. The number of cancers diagnosed in Spain in 2022 is estimated to reach 280,100 cases according to REDECAN calculations, which represents a slight increase compared to previous years. Lung cancer (LC) is the tumor responsible for the highest mortality worldwide. After prostate cancer, it is the second most common cancer in men and, after breast cancer, in women. Lung adenocarcinoma is the major subtype of lung cancer and represents the deadliest human cancer, affecting current-, ex-, and even non-smokers.

The most frequently diagnosed cancers in Spain in 2023 will be those of the colon and rectum, breast, lung, prostate, and urinary bladder. Lung cancer is a very common cancer in Spain, however, due to its high mortality, its prevalence at five years is relatively low.

Approximately 30% of patients with non-small cell lung cancer (NSCLC) have early-stage disease that is treated with surgery. A high percentage of these patients relapse and die, so patients receive postoperative adjuvant systemic chemotherapy to increase their survival. However, the benefits of this strategy are modest. NSCLC is often associated with druggable molecular alterations that drive lung carcinogenesis. EGFR tyrosine kinase inhibitors (TKIs) have been included in treatment paradigms with the aim of improving the outcome of adjuvant therapy in patients with completely resected, EGFR mutation-positive (EGFRm+) disease.

Osimertinib is indicated as monotherapy for the first-line treatment of adult patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) with activating mutations in the epidermal growth factor receptor (EGFR), for the treatment of adult patients with EGFR T790M mutation-positive locally advanced or metastatic NSCLC, for the adjuvant treatment of adult patients with NSCLC stages IB-IIIA after complete resection of the tumor that has activating mutations of the EGFR (exon 19 deletion or exon 21 substitution (L858R)), for the treatment of adult patients with locally advanced, unresectable NSCLC whose tumours have EGFR exon 19 deletions or exon 21 (L858R) substitution mutations and whose disease has not progressed during or following platinum-based chemoradiation therapy, and in combination with pemetrexed and platinum-based chemotherapy for the first-line treatment of adult patients with advanced NSCLC whose tumours have EGFR exon 19 deletions or exon 21 (L858R) substitution mutations.

The FLAURA trial showed that treatment with osimertinib significantly prolongs progression-free survival (PFS) compared to EGFR TKI comparator (median 18.9 months and 10.2 months, respectively, HR=0.46, 95% CI: 0.37, 0.57; P\<0.0001) (5) and improves overall survival (OS) (HR=0.799 \[95.05% CI: 0.641, 0.997\]) compared to standard EGFR tyrosine kinase inhibitors (TKIs), in patients with EGFR mutation-positive advanced non-small-cell lung cancer (NSCLC). A greater proportion of patients treated with osimertinib were alive at 12, 18, 24 and 36 months (89%, 81%, 74% and 54% respectively) compared to patients treated with EGFR TKI comparator (83%, 71%, 59% and 44% respectively).

The results of the ADAURA trial showed that adjuvant treatment with osimertinib reduced the risk of recurrence or death by 83% in stages II to IIIA, and in 80% in stages IB-IIIA, compared with placebo, in patients with NSCLC with completely resected stage IB to IIIA disease and confirmed EGFR mutation. Additionally, osimertinib demonstrated a highly statistically significant improvement in disease free survival (DFS) and HRQoL was maintained. A DFS benefit favouring osimertinib over placebo was seen across all prespecified subgroups, including those based on disease stage, EGFR sensitizing mutation, ethnicity and receipt of adjuvant chemotherapy. Furthermore, the DFS benefit with osimertinib was similar in patients who had or had not received chemotherapy.

The FLAURA2 trial showed that first-line treatment with osimertinib-chemotherapy led to significantly longer progression-free survival than osimertinib monotherapy among patients with EGFR mutated advanced NSCLC . Investigator-assessed progression-free survival was significantly longer in the osimertinib-chemotherapy group than in the osimertinib group (hazard ratio for disease progression or death, 0.62; 95% confidence interval \[CI\], 0.49 to 0.79; P\<0.001). At 24 months, 57% (95% CI, 50 to 63) of the patients in the osimertinib- chemotherapy group and 41% (95% CI, 35 to 47) of those in the osimertinib group were alive and progression-free. An objective response was observed in 83% of the patients in the osimertinib-chemotherapy group and in 76% of those in the osimertinib group; the median response duration was 24.0 months (95% CI, 20.9 to 27.8) and 15.3 months (95% CI, 12.7 to 19.4), respectively. The safety profile of osimertinib plus pemetrexed and a platinum-based agent was consistent with the established profiles of the individual agents.

The LAURA trial showed that treatment with osimertinib after chemoradiotherapy resulted in significantly longer progression-free survival than placebo among patients with unresectable stage III EGFR-mutated NSCLC. Osimertinib offered a median PFS of 39.1 months, compared with only 5.6 months with placebo (HR 0.16, 95% CI \[0.10, 0.24\]; P\<0.0001). The percentage of patients who were alive and progression free at 12 months was 74% (95% CI, 65 to 80) with osimertinib and 22% (95% CI, 13 to 32) with placebo. The overall safety profile of osimertinib after chemoradiotherapy was consistent with the established profile of osimertinib and chemoradiotherapy.

Conditions

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Non-small Cell Lung Cancer

Study Design

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Observational Model Type

COHORT

Study Time Perspective

OTHER

Study Groups

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Cohort 1

Patients diagnosed with locally advanced or metastatic NSCLC with activating EGFR mutations that received first line treatment with osimertinib (FLAURA regimen).

No interventions assigned to this group

Cohort 2

Patients with stage IB-IIIA NSCLC after complete tumour resection that has activating mutations in the EGFR (deletion of exon 19 or substitution of exon 21 \[L858R\]) that received adjuvant treatment with osimertinib (ADAURA regimen).

No interventions assigned to this group

Cohort 3

Patients with advanced NSCLC whose tumours have EGFR exon 19 deletions or exon 21 (L858R) substitution mutations, that received osimertinib in combination with pemetrexed and platinum-based chemotherapy for the first- line treatment (FLAURA2 regimen).

No interventions assigned to this group

Cohort 4

Patients with locally advanced, unresectable NSCLC treated with osimertinib, whose tumours have EGFR exon 19 deletions or exon 21 (L858R) substitution mutations and whose disease has not progressed during or following platinum-based chemoradiation therapy (LAURA regimen).

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Female or male patients, treated with osimertinib
* Age ≥ 18 years at starts of osimertinib treatment (i.e., index date).
* Patients histologically diagnosed with EGFRm NSCLC (before index date):

* Patients with first-line treatment with EGFRm locally advanced or metastatic NSCLC, not amenable to curative surgery or radiotherapy (Cohort 1).
* Patients with stage IB-IIIA whose tumours have EGFR exon 19 deletions or exon 21 (L858R) substitution mutations, after complete tumor resection (Cohort 2).
* Patients with advanced NSCLC whose tumours have EGFR exon 19 deletions or exon 21 (L858R) substitution mutations, that received osimertinib in combination with pemetrexed and platinum-based chemotherapy for the first-line treatment (Cohort 3).
* Patients with locally advanced, unresectable NSCLC treated with osimertinib, whose tumours have EGFR exon 19 deletions or exon 21 (L858R) substitution mutations and whose disease has not progressed during or following platinum-based chemoradiation therapy (cohort 4).
* Provision of informed consent (for alive patients). Deceased patients who met the selection criteria when they started treatment with osimertinib could also be included in the study.