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Juergen R. Fischer
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P1.01 - Advanced NSCLC (Not CME Accredited Session) (ID 933)
- Event: WCLC 2018
- Type: Poster Viewing in the Exhibit Hall
- Track:
- Presentations: 3
- Moderators:
- Coordinates: 9/24/2018, 16:45 - 18:00, Exhibit Hall
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P1.01-70 - Efficacy and Safety of Second- or Third-Line Nab-Paclitaxel + Durvalumab in Patients with Advanced NSCLC (ABOUND.2L+) (ID 13042)
16:45 - 18:00 | Author(s): Juergen R. Fischer
- Abstract
Background
Cytotoxic chemotherapy may enhance the effect of immune checkpoint blockers (ICBs) through interaction with the immune system (immunostimulation) and cancer cells (increased antigenicity). The phase II ABOUND.2L+ trial investigated second-/third-line nab-paclitaxel monotherapy, nab-paclitaxel + CC-486, or nab-paclitaxel + durvalumab in patients with previously treated advanced-stage NSCLC. This report presents an updated analysis of the efficacy and safety from the nab-paclitaxel + durvalumab treatment arm.
a9ded1e5ce5d75814730bb4caaf49419 Method
Patients ≥ 18 years with advanced NSCLC and no more than 1 prior line of platinum-containing chemotherapy (ICBs in prior line, first/second, allowed) were included. Patients were treated with nab-paclitaxel on days 1 and 8 + durvalumab 1125 mg on day 15 of a 21-day cycle until unacceptable toxicity or progressive disease as per Response Evaluation Criteria In Solid Tumors (RECIST) v1.1 or immune-related RECIST v1.1. The primary endpoint was progression-free survival (PFS). Key secondary endpoints included overall response rate (ORR), disease control rate (DCR), overall survival (OS), and safety.
4c3880bb027f159e801041b1021e88e8 Result
A total of 79 patients were assigned to nab-paclitaxel + durvalumab. The median age of patients in that arm was 63.0 years; 68.4% were male, 97.5% were white, 77.2% had ECOG performance status 1, and 69.6% had nonsquamous histology; 8 patients received prior ICBs. Median and 1-year PFS were 4.5 months (95% CI: 3.45-5.88) and 25.7% (95% CI 16.3-36.2); median PFS in those with and without prior ICB treatment was NE (95% CI 1.38-NE) and 4.4 months (95% CI 2.96-5.68) and in those with squamous and nonsquamous histology was 6.0 months (95% CI 2.99-7.75) and 4.2 months (95% CI 2.86-5.75). The ORR was 27.8%, and DCR was 70.9%. Median OS was 10.1 months (95% CI: 7.75-NE). Median percentage of per protocol dose was 87.5% for nab-paclitaxel and 82.9% for durvalumab. All patients had at least 1 treatment-emergent adverse event (TEAE), and 67.9% had at least 1 grade 3 or 4 TEAE. Common TEAEs of special interest (all grades) included peripheral neuropathy (grouped term; 37.2%), diarrhea (34.6%), anemia (30.8%), dyspnea (25.6%), nausea (24.4%), cough (24.4%), pyrexia (19.2%), and neutropenia (17.9%). TEAEs leading to dose interruption/reduction (nab-paclitaxel and/or durvalumab) were reported in 73.1% of patients, and those leading to discontinuation in 11.5%.
8eea62084ca7e541d918e823422bd82e Conclusion
nab-Paclitaxel + durvalumab demonstrated promising antitumor activity and manageable toxicity in second- or third-line treatment of patients with advanced NSCLC. NCT02250326.
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P1.01-79 - CheckMate 817: Safety of Flat-Dose Nivolumab Plus Weight-Based Ipilimumab for the First-line (1L) Treatment of Advanced NSCLC (ID 12004)
16:45 - 18:00 | Author(s): Juergen R. Fischer
- Abstract
Background
CheckMate 227 demonstrated significant, clinically meaningful progression-free survival benefit with 1L nivolumab 3 mg/kg every 2 weeks (Q2W) plus low-dose ipilimumab 1 mg/kg Q6W vs chemotherapy in patients with advanced non-small cell lung cancer (NSCLC) and tumor mutational burden (TMB) ≥10 mutations/megabase. The dose and schedule for this combination regimen were optimized for 1L NSCLC in CheckMate 012 and further validated in CheckMate 568 and CheckMate 227. Flat dosing of nivolumab (240 mg Q2W) may simplify treatment while providing comparable exposure, and was recently approved for previously treated NSCLC. CheckMate 817 (NCT02869789) is a multi-cohort, open-label phase 3b/4 study evaluating the safety and efficacy of flat-dose nivolumab plus weight-based low-dose ipilimumab in recurrent/metastatic NSCLC. We report safety results from Cohort A, which evaluated this regimen in the 1L setting; updated results will be presented.
a9ded1e5ce5d75814730bb4caaf49419 Method
Patients with ECOG PS ≤1 and previously untreated NSCLC were eligible, regardless of tumor programmed death ligand 1 (PD-L1) expression and TMB. Nivolumab 240 mg Q2W plus ipilimumab 1 mg/kg Q6W were administered for 2 years or until disease progression/unacceptable toxicity. The primary endpoint was safety assessed by the incidence of grade ≥3 select treatment-related adverse events (TRAEs; defined as AEs of potential immunologic causes).
4c3880bb027f159e801041b1021e88e8 Result
Enrollment occurred between October 2016 and August 2017, with 391 patients initiating treatment at 68 academic and community-based centers in Europe and North America. Median age was 65 years and 27.9% of patients had squamous histology. PD-L1 expression was evaluable in 91% of patients; of these, 50% had ≥1% tumor PD-L1 expression. At database lock (March 1, 2018), minimum follow-up was 5.4 months and 34.5% of patients remained on treatment. The median (range) number of nivolumab and ipilimumab doses received were 9 (1–28) and 3 (1–10), respectively. Any grade and grade 3–4 TRAEs occurred in 74.4% and 27.6% of patients, respectively; 14.1% of patients discontinued treatment due to TRAEs. Rates of any grade select TRAEs by category ranged from 1.3% (renal) to 28.4% (skin). The most common grade 3–4 select TRAEs by category were hepatic (4.6%), pulmonary (3.1%), and gastrointestinal (3.1%). Two treatment-related deaths were reported; one due to Guillain-Barré syndrome and one due to rhabdomyolysis leading to heart failure.
8eea62084ca7e541d918e823422bd82e Conclusion
The safety profile of flat-dose nivolumab plus low-dose ipilimumab was consistent with previous reports of weight-based nivolumab plus low-dose ipilimumab optimized for NSCLC. Toxicities were manageable with no new safety signals identified.
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P1.01-93 - Quality of Life in Patients with Advanced NSCLC Treated in Second- or Third-Line with Nab-Paclitaxel + Durvalumab: ABOUND.2L+ (ID 12993)
16:45 - 18:00 | Author(s): Juergen R. Fischer
- Abstract
Background
Quality of life (QoL) can be adversely affected in patients with advanced NSCLC, particularly those receiving second- or third-line treatment. In these patients, checkpoint inhibitors are a recommended treatment option. Through multiple mechanisms, including the release of tumor antigens via tumor cell lysis, chemotherapy can augment immunotherapeutic effects, which is the rationale for combining chemotherapy with immunotherapy agents. The phase II ABOUND.2L+ trial investigated second- or third-line nab-paclitaxel either alone or in combination with CC-486 or durvalumab in patients with advanced NSCLC. The objective of this analysis is to report QoL outcomes in patients treated with nab-paclitaxel + durvalumab from the ABOUND.2L+ trial.
a9ded1e5ce5d75814730bb4caaf49419 Method
Enrolled patients were ≥ 18 years with advanced NSCLC and no more than 1 prior line of platinum-containing chemotherapy. Immunotherapy in a prior line, first or second, was allowed. Patients were treated with nab-paclitaxel on days 1 and 8 + durvalumab 1125 mg on day 15 of a 21-day cycle. Treatment continued until unacceptable toxicity or disease progression per Response Evaluation Criteria In Solid Tumors (RECIST) v1.1 or immune-related RECIST v1.1. The primary endpoint was progression-free survival. QoL was a prespecified exploratory endpoint assessed using the Lung Cancer Symptom Scale (LCSS), EuroQol 5D-5L, and EORTC QLQ-C30 on day 1 of each cycle, and was examined through 6 cycles of treatment for this analysis.
4c3880bb027f159e801041b1021e88e8 Result
A total of 79 patients were assigned to the nab-paclitaxel + durvalumab arm. The median age was 63.0 years. Most patients were white (97.5%), male (68.4%), and had ECOG PS of 1 (77.2%). For the entire study, baseline and ≥ 1 postbaseline QoL assessments were completed by 58 (73.4%) patients. 41 patients completed 6 cycles of treatment with nab-paclitaxel + durvalumab. After cycle 6, the mean change from baseline in LCSS total score and pulmonary symptom score was 0.1 and −0.2, respectively. LCSS hemoptysis score improved relative to baseline at every treatment cycle; mean change from baseline after 6 cycles was 0.8. Mean change from baseline in the EuroQol 5D-5L visual analog scale score and EORTC QLQ-C30 global health status/QoL scale score after 6 cycles of treatment was 2.5 and −1.19, respectively.
8eea62084ca7e541d918e823422bd82e Conclusion
In general, patients with advanced NSCLC treated with second- or third-line nab-paclitaxel + durvalumab maintained their QoL through 6 cycles of treatment. NCT02250326.
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