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MA 10 - Immunotherapy I (ID 664)
- Event: WCLC 2017
- Type: Mini Oral
- Track: Immunology and Immunotherapy
- Presentations: 1
MA 10.06 - Real-World Results in Non-Squamous Non-Small Cell Lung Cancer Patients: Italian Nivolumab Expanded Access Programme (ID 9580)
11:00 - 12:30 | Author(s): G. Puppo
Nivolumab monotherapy has shown survival benefit in patients (pts) with different tumors, including melanoma, lung cancer, renal cell carcinoma, head and neck cancer and Hodgkin lymphoma. Controlled clinical trial setting differs from what experienced by pts and physicians in routine clinical practice. Here, we report efficacy and safety results of nivolumab in pts with non-squamous non-small cell lung cancer (Non-Sq-NSCLC) treated in the Expanded Access Programme in Italy.
Nivolumab was available upon physician request for pts aged ≥18 years who had relapsed after a minimum of one prior systemic treatment for stage IIIB/stage IV non-Squamous NSCLC. Nivolumab 3 mg/kg was administered intravenously every 2 weeks to a maximum of 24 months. Pts included in the analysis had received at least one dose of nivolumab and were monitored for adverse events (AE) using Common Terminology Criteria for Adverse Events.
Overall, 1588 pts were enrolled in the EAP across 168 Italian centers. Baseline characteristics of pts were representative of Non-Sq-NSCLC population, in the advanced disease setting. As of March 2017, median overall survival (OS) was 11 months (10.0-12.0), with a median follow-up of 7.8 months (1-21.9) and a median of 7 doses (1-46). The best overall response rate (BORR) was 18%, including 10 pts (<1%) with complete response and 280 pts (17.6%) with partial response. Stable disease has been defined for 414 pts (26.0%) and totally 274 (17.2%) patients were treated beyond progression. Response rates and survival were comparable among pts regardless age (< and ≥ 75 years), presence of brain metastasis and number of prior therapies. Overall, among 1588 pts, 1254 discontinued treatment for any reason, with only 93 (7%) pts who discontinued treatment due to adverse events, in line with what observed in previous studies.
To date, this is the largest clinical experience with nivolumab in a real-world setting and these EAP data are in line with what reported in the registrative phase 3 clinical trial. According to these results, nivolumab seems to be an effective and safe therapy for pre-treated patients with non-squamous NCSLC, supporting its use in current clinical practice.
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P1.01 - Advanced NSCLC (ID 757)
- Event: WCLC 2017
- Type: Poster Session with Presenters Present
- Track: Advanced NSCLC
- Presentations: 1
- Coordinates: 10/16/2017, 09:30 - 16:00, Exhibit Hall (Hall B + C)
P1.01-065 - Treatment Beyond Progression with Nivolumab in Patients with Advanced Non-Squamous NSCLC: Results from the Italian Expanded Access Program (ID 9333)
09:30 - 16:00 | Author(s): G. Puppo
Because of the novel mechanism of action of immunotherapies like nivolumab, response patterns may differ from other therapies and may provide a rationale for considering treatment beyond progression. Immunotherapy protocols generally allow patients (pts) to continue treatment beyond investigator-assessed progressive disease (PD) as long as there is ongoing clinical benefit. Here we report the analysis of pts treated beyond PD in the Italian nivolumab EAP for pts with non-squamous non small cell lung cancer (Non-Sq-NSCLC).
Nivolumab was provided upon physicians’ request for pts aged ≥18 years who had relapsed after a minimum of one prior systemic treatment for stage IIIB/stage IV non-Sq-NSCLC. Nivolumab 3 mg/kg was administered intravenously every 2 weeks for <24 months. Pts included in the analysis received ≥1 dose of nivolumab and were monitored for adverse events (AEs) using Common Terminology Criteria for Adverse Events. Patients were allowed to continue treatment beyond initial PD as long as they met the following criteria: investigator-assessed clinical benefit, absence of rapid PD, tolerance of program drug, stable performance status and no delay of an imminent intervention to prevent serious complications of PD.
In total, 1588 Italian pts with advanced Non-Sq-NSCLC received at least one dose of nivolumab in the EAP across 168 sites and 1056 (66%) had PD. Of those, 274 pts (26%) were treated beyond progression. Before being treated beyond PD, the disease control rates (DCR) was 28%, with 1 complete response (CR), 27 partial responses (PR) and 49 stable diseases (SD). Post PD, 58 of all pts treated beyond PD achieved a non-conventional benefit, meaning a subsequent tumor reduction or stabilization in tumor lesions. With a median follow-up of 10.3 months (0.1-21.9) and a median of 11 (4-44) doses, median overall survival for pts treated beyond PD was 15.5 months (range: 13.1-17.9). Overall, among pts treated beyond PD, 200 discontinued treatment for any reason, with only 11 (5.5%) pts who discontinued treatment due to adverse events, suggesting no increased safety signals.
As already observed in clinical trials, these preliminary EAP data seem to confirm that a proportion of pts who continued treatment beyond PD demonstrated sustained reductions or stabilization of tumor burden, with an acceptable safety profile. Further investigations are warranted in order to better define and identify pts who can benefit from this treatment strategy.