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Jifeng Feng
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JCSE01 - Joint IASLC-CSCO-CAALC Session (ID 63)
- Event: WCLC 2019
- Type: Joint IASLC-CSCO-CAALC Session
- Track:
- Presentations: 1
- Now Available
- Moderators:Chunxue Bai, Tony Mok, Yi-Long Wu, Qing Zhou, Nan Wu
- Coordinates: 9/07/2019, 07:00 - 11:15, Toronto (1985)
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JCSE01.09 - A Phase II Umbrella Study of Camrelizumab in Different PD-L1 Expression Cohorts in Pre-Treated Advanced/Metastatic Non-Small Cell Lung Cancer (Now Available) (ID 3423)
07:00 - 11:15 | Author(s): Jifeng Feng
- Abstract
- Presentation
Abstract
Background
The role of PD-L1 expression in 2nd line and beyond non-small cell lung cancer (NSCLC) remains controversial. Camrelizumab (SHR-1210) is a potent anti-PD-1 monoclonal antibody and has shown promising activity in NSCLC in Phase I studies. We report results from the SHR-1210-201 study (NCT03085069), a phase II umbrella study of camrelizumab monotherapy in different PD-L1 expression cohorts in Chinese patients with previously treated advanced or metastatic NSCLC.
Methods
Patients who progressed during or following platinum-based doublet chemotherapy were enrolled and assigned to one of 4 cohorts based on PD-L1 expression. Patients with EGFR or ALK genomic alterations were eligible provided they had disease progression with at least one approved tyrosine kinase inhibitor and with ≥50% PD-L1 expression in tumor. All enrolled patients received camrelizumab at 200 mg IV Q2W until loss of clinical benefit. The primary endpoint was objective response rate (ORR), other endpoints included progression-free survival (PFS) and overall survival (OS).
Results
As of Aug 1st 2018, of all the 259 patients who underwent screen, 229 cases could be pathologically evaluated. PD-L1 expression were 47.6% (109/229) in PD-L1 < 1%, 27.1% (62/229) in PD-L1 ≥1-<25%, 8.7% (20/229) in ≥25-<50% and 16.6% (38/229) in ≥50%. A total of 63.8% (146/229) patients were enrolled. 89.0% of patients had stage IV NSCLC and 54.8% had non-squamous tumor histology. ORR was 18.5% (95%CI: 12.6%–25.8%) in ITT population. Subgroup analysis showed increased PD-L1 expression was associated with better response rate (Table 1). No response was observed in patients with EGFR mutation. The responders had durable response (median: 15.1 months; 95%CI: 5.5–not reached). Median PFS was 3.2 months (95%CI: 2.0–3.4) and median OS was 19.4 months (95%CI: 11.6–not reached) (Table 1). Treatment-related adverse events (AEs) occurred in 87.7% of patients (all Grade); 20.5% had ≥G3 related AE; and 15.8% had related SAE. 21.2% of AEs led to dose interruption and 7.5% led to treatment discontinuation.Table 1 - Efficacy data in subgroups Population No of pts ORR, % (95%CI) PFS (month),
median (95%CI)
1YOS, % (95%CI) OS (month),
median (95%CI)
PD-L1<1% 74 12.2% (5.7%, 21.8%)
2.1 (1.9, 3.2) 47.1% (33.8%, 59.2%) 11.6 (7.8, NR) PD-L1 ≥1% and < 25% 31 19.4% (7.5%, 37.5%) 3.1 (1.8, 4.9) 76.7% (57.2%, 88.2%) NR (NR, NR) PD-L1 ≥25% and < 50% 11 45.5% (16.7%, 76.6%) 6.0 (1.9, NR) 81.8% (44.7%, 95.1%) NR (2.9, NR) PD-L1 ≥50% (without EGFR mutation) 25 28.0% (12.1%, 49.4%) 7.6 (3.3, 11.4) 55.2% (32.3%, 73.2%) NR (8.6, NR) PD-L1 ≥50% (with EGFR mutation) 5 0 1.7 (1.2, NR) 40.0% (5.2%, 75.3%) 10.3 (1.2, NR) ITT 146 18.5% (12.6%, 25.8%) 3.2 (2.0, 3.4) 56.6% (47.3%, 64.9%) 19.4 (11.6, NR) Abbreviation: NR, Not Reached.
Conclusion
In Chinese patients with previously treated advanced/metastatic NSCLC, camrelizumab demonstrated improved ORR, PFS, and OS compared with historical data of the 2nd line chemotherapy. The efficacy in patients with PD-L1 <1% is similar as the 2nd line mono-chemotherapy, while patients with higher PD-L1 expression derived greater benefit from camrelizumab, the ORR, PFS and OS in patients with PD-L1 ≥25% was comparable to the 1st line doublet chemotherapy in advanced NSCLC. Camrelizumab was well tolerated. This phase 2 data warrant further clinical studies of camrelizumab in NSCLC.Only Members that have purchased this event or have registered via an access code will be able to view this content. To view this presentation, please login, select "Add to Cart" and proceed to checkout. If you would like to become a member of IASLC, please click here.
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OA02 - A New Vision of Targets and Strategies (ID 120)
- Event: WCLC 2019
- Type: Oral Session
- Track: Targeted Therapy
- Presentations: 1
- Now Available
- Moderators:Frank Griesinger, Luis Paz-Ares
- Coordinates: 9/08/2019, 10:30 - 12:00, Seoul (2007)
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OA02.03 - The Third Generation EGFR Inhibitor (EGFR-TKI) HS-10296 in Advanced NSCLC Patients with Resistance to First Generation EGFR-TKI (Now Available) (ID 766)
10:30 - 12:00 | Author(s): Jifeng Feng
- Abstract
- Presentation
Background
HS-10296 is an oral, potent, high selective third generation EGFR tyrosine-kinase inhibitor (EGFR-TKI) for sensitizing mutations, and the EGFR Thr790Met (T790M) resistance mutation which has been demonstrated by phase I study. This phase II, open-label, multicenter single-arm study was designed to confirm the efficacy and safety of HS-10296 in a large population of non-small-cell lung cancer (NSCLC) patients with EGFR T790M mutation, who had progressed after first generation EGFR-TKI treatment.
Method
Patients aged at least 18 years with centrally confirmed EGFR T790M-positive mutations, locally advanced or metastatic (stage IIIB/IV) NSCLC after first generation EGFR-TKI treatment received HS-10296 110 mg orally once daily until disease progression, or intolerable toxicity, or patient withdrawal. Patients with asymptomatic, stable brain metastases not requiring steroids were allowed to enroll. The primary endpoint was the objective response rate (ORR) by independent central review using Response Evaluation Criteria in Solid Tumors, version 1.1 every 6 weeks. Response endpoints (ORR and disease control rate [DCR]) were assessed in response analysis set. Secondary end points including progression-free survival (PFS), duration of response (DoR), depth of response (DepOR), overall survival (OS) and safety were evaluated in full analysis set. The final data cutoff was on Jan 5, 2019. The study is still ongoing.
Result
Totally, 244 patients (median age 60.8) entered study in 36 sites in mainland China (189 patients) and Taiwan (55 patients) between May 16, 2018 to Oct 23, 2018. 2 patients were excluded from the evaluable for response analysis set (n=242) due to absence of measurable disease at baseline by independent central review. At data cutoff, 182 (74.6%) patients remained on treatment. The median duration of follow-up was 4.7 months. 160 of 242 patients achieved confirmed partial responses by independent central review. The ORR was 66.1% (95% CI: 59.8-72.1). The DCR was 93.4% (95% CI: 89.5-96.2). The most common adverse reactions (≥ 10%) were blood creatine phosphokinase increased (43 [17.6%]), aspartate aminotransferase increased (29 [11.9%]), pruritus (28 [11.5%]), rash (28 [11.5%]) and alanine aminotransferase increased (26 [10.7%]). The most common all-causality grade 3 and 4 adverse events were blood creatine phosphokinase increased (14 [5.7%]) and hyponatraemia (4 [1.6%]). Serious adverse events were reported in 30 (12.3%) patients, of which 19 (7.8%) were investigator assessed as possibly treatment-related to HS-10296. Three deaths were due to adverse events; one was related to cardiopulmonary failure, other two events occurred after disease progression. There was no interstitial lung disease during study treatment.
Conclusion
HS-10296 has demonstrated good clinical benefit with minimal toxicity in patients with EGFR T790M-positive NSCLC patients who have progressed after first generation EGFR-TKI treatment. The Phase III study has already launched comparing HS-10296 with gefinitib in advanced NSCLC patients with EGFR sensitizing mutations. (The study was sponsored by Jiangsu Hansoh Pharmaceutical Co., Ltd.; ClinicalTrials.gov number, NCT02981108)
Only Members that have purchased this event or have registered via an access code will be able to view this content. To view this presentation, please login, select "Add to Cart" and proceed to checkout. If you would like to become a member of IASLC, please click here.
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OA04 - Immuno Combinations and the Role of TMB (ID 126)
- Event: WCLC 2019
- Type: Oral Session
- Track: Immuno-oncology
- Presentations: 1
- Now Available
- Moderators:Solange Peters, Martin Reck
- Coordinates: 9/08/2019, 15:15 - 16:45, Copenhagen (1980)
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OA04.03 - A Randomized Phase 3 Study of Camrelizumab plus Chemotherapy as 1<sup>st</sup> Line Therapy for Advanced/Metastatic Non-Squamous Non-Small Cell Lung Cancer (Now Available) (ID 1682)
15:15 - 16:45 | Author(s): Jifeng Feng
- Abstract
- Presentation
Background
Platinum-based chemotherapy remains 1st line therapy for advanced non-small cell lung cancer (NSCLC) without oncogenic drivers in China. Camrelizumab (SHR-1210, a potent anti‒PD-1 monoclonal antibody) has shown promising activity in multiple malignancies. Here, we report interim analysis results on efficacy and safety of camrelizumab plus carboplatin/pemetrexed as 1st line treatment in Chinese advanced/metastatic non-squamous NSCLC patients with negative oncogenic drivers.
Method
In this open-label, randomized, multicenter phase 3 study (SHR-1210-303), patients with advanced/metastatic, non-squamous NSCLC with negative EGFR or ALK were stratified by sex and smoking history (≥ 400/year versus ˂ 400/year) and were randomly assigned (1:1) to receive 4 to 6 cycles of carboplatin (AUC=5) plus pemetrexed (500 mg/m2) with or without camrelizumab (200 mg), followed by pemetrexed with or without camrelizumab as maintenance therapy up to disease progression or intolerable toxicity. Treatment was given every 3 weeks. Crossover to camrelizumab monotherapy was permitted for patients in the chemotherapy arm who had confirmed disease progression. The primary endpoint was PFS per blinded independent central review according to RECIST v1.1. Secondary endpoints included ORR, DCR, DoR and OS. Data of subgroup analysis will be reported. Clinical Trials.gov number: NCT03134872.
Result
Between May 12, 2017 and Jun 6, 2018, 419 patients were randomized, among whom 205 received camrelizumab plus chemotherapy and 207 received chemotherapy treatment. After a median follow-up of 11.9 months, median PFS was 11.3 months (95% CI 9.5‒not reached) in camrelizumab plus chemotherapy arm and 8.3 months (95% CI 6.0‒9.7) in chemotherapy arm (HR 0.61 [95% CI 0.46‒0.80], p=0.0002). ORR, DCR, DoR and OS with camrelizumab plus chemotherapy were superior to chemotherapy (Table 1). Grade 3/4 adverse events occurred in 66.8% of patients in camrelizumab plus chemotherapy arm and 51.2% of patients in chemotherapy arm. There were 5 treatment-related deaths in camrelizumab plus chemotherapy arm and 4 in chemotherapy arm.
Table 1. Responses per blinded independent central review and overall survival in the total study population Camrelizumab plus chemotherapy
(n=205)Chemotherapy alone
(n=207)p-value Objective response rate 60.0% (53.0‒66.8) 39.1% (32.4‒46.1) p<0.0001 Disease control rate 87.3% (82.0‒91.6) 74.4% (67.9‒80.2) p=0.0009 Duration of response (months) 17.6 (11.6‒NR) 9.9 (8.5‒13.8) p=0.0356 Overall survival (months) NR (17.1‒NR) 20.9 (14.2‒NR) p=0.0272 Data are shown in % (95% CI) or median (95% CI). NR: not reached.
Conclusion
First-line camrelizumab plus chemotherapy shows substantial clinical benefit in patients with advanced/metastatic non-squamous NSCLC with negative EGFR or ALK in terms of PFS, ORR, and OS and acceptable safety profiles. The combination should become novel standard 1st line therapy for this population.
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P1.01 - Advanced NSCLC (ID 158)
- Event: WCLC 2019
- Type: Poster Viewing in the Exhibit Hall
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:
- Coordinates: 9/08/2019, 09:45 - 18:00, Exhibit Hall
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P1.01-61 - A Phase II Umbrella Study of Camrelizumab in Different PD-L1 Expression Cohorts in Pre-Treated Advanced/Metastatic Non-Small Cell Lung Cancer (ID 1633)
09:45 - 18:00 | Author(s): Jifeng Feng
- Abstract
Background
The role of PD-L1 expression in 2nd line and beyond non-small cell lung cancer (NSCLC) remains controversial. Camrelizumab (SHR-1210) is a potent anti-PD-1 monoclonal antibody and has shown promising activity in NSCLC in Phase I studies. We report results from the SHR-1210-201 study (NCT03085069), a phase II umbrella study of camrelizumab monotherapy in different PD-L1 expression cohorts in Chinese patients with previously treated advanced or metastatic NSCLC.
Method
Patients who progressed during or following platinum-based doublet chemotherapy were enrolled and assigned to one of 4 cohorts based on PD-L1 expression. Patients with EGFR or ALK genomic alterations were eligible provided they had disease progression with at least one approved tyrosine kinase inhibitor and with ≥50% PD-L1 expression in tumor. All enrolled patients received camrelizumab at 200 mg IV Q2W until loss of clinical benefit. The primary endpoint was objective response rate (ORR), other endpoints included progression-free survival (PFS) and overall survival (OS).
Result
As of Aug 1st 2018, of all the 259 patients who underwent screen, 229 cases could be pathologically evaluated. PD-L1 expression were 47.6% (109/229) in PD-L1 < 1%, 27.1% (62/229) in PD-L1 ≥1-<25%, 8.7% (20/229) in ≥25-<50% and 16.6% (38/229) in ≥50%. A total of 63.8% (146/229) patients were enrolled. 89.0% of patients had stage IV NSCLC and 54.8% had non-squamous tumor histology. ORR was 18.5% (95%CI: 12.6%–25.8%) in ITT population. Subgroup analysis showed increased PD-L1 expression was associated with better response rate (Table 1). No response was observed in patients with EGFR mutation. The responders had durable response (median: 15.1 months; 95%CI: 5.5–not reached). Median PFS was 3.2 months (95%CI: 2.0–3.4) and median OS was 19.4 months (95%CI: 11.6–not reached) (Table 1). Treatment-related adverse events (AEs) occurred in 87.7% of patients (all Grade); 20.5% had ≥G3 related AE; and 15.8% had related SAE. 21.2% of AEs led to dose interruption and 7.5% led to treatment discontinuation.
Table 1 - Efficacy data in subgroups Population No of pts ORR, % (95%CI) PFS (month),
median (95%CI)
1YOS, % (95%CI) OS (month),
median (95%CI)
PD-L1<1% 74 12.2% (5.7%, 21.8%)
2.1 (1.9, 3.2) 47.1% (33.8%, 59.2%) 11.6 (7.8, NR) PD-L1 ≥1% and < 25% 31 19.4% (7.5%, 37.5%) 3.1 (1.8, 4.9) 76.7% (57.2%, 88.2%) NR (NR, NR) PD-L1 ≥25% and < 50% 11 45.5% (16.7%, 76.6%) 6.0 (1.9, NR) 81.8% (44.7%, 95.1%) NR (2.9, NR) PD-L1 ≥50% (without EGFR mutation) 25 28.0% (12.1%, 49.4%) 7.6 (3.3, 11.4) 55.2% (32.3%, 73.2%) NR (8.6, NR) PD-L1 ≥50% (with EGFR mutation) 5 0 1.7 (1.2, NR) 40.0% (5.2%, 75.3%) 10.3 (1.2, NR) ITT 146 18.5% (12.6%, 25.8%) 3.2 (2.0, 3.4) 56.6% (47.3%, 64.9%) 19.4 (11.6, NR) Abbreviation: NR, Not Reached.
Conclusion
In Chinese patients with previously treated advanced/metastatic NSCLC, camrelizumab demonstrated improved ORR, PFS, and OS compared with historical data of the 2nd line chemotherapy. The efficacy in patients with PD-L1 <1% is similar as the 2nd line mono-chemotherapy, while patients with higher PD-L1 expression derived greater benefit from camrelizumab, the ORR, PFS and OS in patients with PD-L1 ≥25% was comparable to the 1st line doublet chemotherapy in advanced NSCLC. Camrelizumab was well tolerated. This phase 2 data warrant further clinical studies of camrelizumab in NSCLC.
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P2.01 - Advanced NSCLC (ID 159)
- Event: WCLC 2019
- Type: Poster Viewing in the Exhibit Hall
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:
- Coordinates: 9/09/2019, 10:15 - 18:15, Exhibit Hall
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P2.01-99 - A Phase IIIb Open-Label Study of Afatinib in EGFR TKI-Naïve Patients with EGFR Mutation-Positive NSCLC: Final Analysis (ID 1671)
10:15 - 18:15 | Author(s): Jifeng Feng
- Abstract
Background
The safety and efficacy of afatinib, an orally administered irreversible EGFR TKI, have been demonstrated in patients with EGFR mutation-positive (EGFRm+) NSCLC in several Phase III clinical trials. However, prospective evidence supporting the clinical benefit of afatinib in the real-world setting is limited. Here, we report final data from a Phase IIIb open-label, multicenter trial evaluating safety and efficacy of afatinib in EGFR TKI-naïve Asian patients with locally advanced/metastatic EGFRm+ NSCLC, in a setting similar to real-world practice.
Method
EGFR TKI-naïve patients with locally advanced/metastatic EGFRm+ NSCLC were recruited from 34 sites in China, Hong Kong, India, Singapore, and Taiwan. Patients received 40 mg/day afatinib. Dose reduction to minimum 20 mg/day was permitted. Treatment continued until lack of clinical benefit as determined by the investigator. The primary and secondary safety endpoints were number of patients with serious adverse events (SAEs), and number of patients with drug-related AEs, respectively. The secondary efficacy endpoint was time to symptomatic progression (TTSP). Further endpoints included progression free survival (PFS), objective response, and duration of disease control.
Result
In total, 541 patients received afatinib. Baseline characteristics were representative of patients with EGFRm+ NSCLC (median age, 59 years; female, 52.9%; never smoked, 69.3%; EGFR mutations, common [Del19/L858R]/uncommon: 88.2% [48.2%/40.5%]/11.8%; ECOG performance status 0/1, 18.3%/79.7%; brain metastases, 19%). SAEs were reported in 164 patients (30.3%). 34 patients (6.3%) had drug-related SAEs, most commonly (grouped terms): diarrhea (1.8%), stomatitis (0.7%), and vomiting (0.7%). Drug-related AEs (DRAEs) of any grade were reported in 528 patients (97.6%). AEs leading to dose reduction occurred in 154 patients (28.5%); TRAEs leading to treatment discontinuation were reported in 17 patients (3.1%). Three patients experienced DRAEs leading to death (decreased appetite, dyspnea, and respiratory failure). Median TTSP was 14.0 months (95% confidence interval [CI]: 12.9, 15.9) and median PFS was 12.1 months (95% CI: 11.0, 13.6). Objective responses were reported in 312 patients (57.7%) by week 52; the median duration of response was 12.2 months (95% CI: 11.0, 13.5). 483 patients (89.3%) achieved disease control of median duration 13.6 months (95% CI: 12.1, 14.4).
Conclusion
Safety data for afatinib in this patient population were consistent with previously reported data, with no new safety signals. AEs were manageable and did not lead to discontinuation in most patients. This study also demonstrated the efficacy and clinical benefit of afatinib in Asian patients with locally advanced or metastatic EGFRm+ NSCLC in a near real-world setting.
