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Poster Display session 1

1497 - Brigatinib (BRG) in Asian vs non-Asian patients (pts) with crizotinib (CRZ)-refractory ALK+ NSCLC in the phase 2 ALTA trial

Date

28 Sep 2019

Session

Poster Display session 1

Topics

Tumour Site

Non-Small Cell Lung Cancer

Presenters

Dae Ho Lee

Citation

Annals of Oncology (2019) 30 (suppl_5): v602-v660. 10.1093/annonc/mdz260

Authors

D.H. Lee1, D. Kim2, D..R. Camidge3, C.J. Langer4, R.M. Huber5, M. Tiseo6, H.L. West7, H.J.M. Groen8, K.L. Reckamp9, M.J. Hochmair10, N.B. Leighl11, K.H. Hansen12, S.N. Gettinger13, L. Paz-Ares14, E.S. Kim15, E.F. Smit16, S. Kim17, Q. Ni18, P. Zhang19, M. Ahn20

Author affiliations

  • 1 Oncology, Asan Medical Center, 138-931 - Seoul/KR
  • 2 Department Of Internal Medicine, Seoul National University Hospital, 110-744 - Seoul/KR
  • 3 Cancer Center, University of Colorado, Aurora/US
  • 4 Abramson Cancer Center, University of Pennsylvania, 19104 - Philadelphia/US
  • 5 Thoracic Oncology Centre Munich, LMU Klinikum der Universität München, 80336 - Munich/DE
  • 6 Medical Oncology Unit, University Hospital of Parma, 43126 - Parma/IT
  • 7 Oncology, Swedish Cancer Institute, Seattle/US
  • 8 Faculty Of Medical Sciences, University of Groningen and University Medical Center Groningen, 9700 RB - Groningen/NL
  • 9 Comprehensive Cancer Center, City of Hope, 91010 - Duarte/US
  • 10 Department Of Respiratory And Critical Care Medicine, Otto Wagner Spital, 1140 - Vienna/AT
  • 11 Department Of Medical Oncology, Princess Margaret Cancer Centre, M5G 2C1 - Toronto/CA
  • 12 Department Of Oncology, Odense University Hospital, Odense/DK
  • 13 Oncology, Yale Cancer Center, 06520 - New Haven/US
  • 14 Medical Oncology, University Hospital 12 De Octubre, 28041 - Madrid/ES
  • 15 Levine Cancer Institute, Atrium Health, Charlotte/US
  • 16 Pulmonary Diseases Dept, VU University Medical Center, 1066 CX - Amsterdam/NL
  • 17 Medical Oncology, Asan Medical Center, Seoul/KR
  • 18 Biostatistics, Millennium Pharmaceuticals, Inc., a wholly owned subsidiary of Takeda Pharmaceutical Company Limited, Cambridge/US
  • 19 Clinical Research, Millennium Pharmaceuticals, Inc., a wholly owned subsidiary of Takeda Pharmaceutical Company Limited, Cambridge/US
  • 20 Hematology-oncology, Samsung Medical Center, 135-710 - Seoul/KR

Resources

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Abstract 1497

Background

We report an analysis of Asian vs non-Asian pts with CRZ-refractory, ALK+ NSCLC from ALTA (NCT02094573).

Methods

Pts were stratified by presence of baseline (BL) CNS metastases and best response to prior CRZ and randomized 1:1 to BRG 90 mg qd (arm A) or 180 mg qd with a 7-day lead-in at 90 mg (arm B). Primary endpoint: Investigator-assessed confirmed ORR by RECIST v1.1.

Results

222 pts were randomized; 69 Asian (A/B, n = 39/30), 153 non-Asian (n = 73/80); median age: Asian, 50/56 y; non-Asian, 51/57 y; 85/70% vs 64/66% had BL CNS metastases. As of Sep 2017, median follow-up was 18.4/22.5 mo (A/B) in Asians vs 22.3/24.5 mo in non-Asians. In Asians, median IRC-assessed PFS (mo) was 9.1 (95% CI 5.6–18.2) in A vs 15.6 (9.2–21.2) in B (HR 0.88 [95% CI 0.48–1.62]; P = 0.6808); in non-Asians, PFS (A/B) was 9.9 (9.0–26.3) vs 17.9 (11.6–23.9; HR 0.72 [0.45–1.13]; P = 0.1510) (Table). Of 7/2 (A/B) Asian pts with measurable BL CNS metastases, 3/1 had confirmed intracranial objective responses; in non-Asian pts with measurable BL CNS metastases, IRC-assessed iORR was 53/69% (n = 19/16). In Asians (A vs B) with any BL CNS metastases, IRC-assessed median iPFS (mo) was 15.6 (5.6–18.4) vs 12.8 (7.3–21.1); in non-Asians, 12.8 (7.4–NR) vs 20.7 (11.1–NR). Most common any-grade TRAEs in Asians (≥20%): increased CPK and amylase; in non-Asians, nausea, diarrhea, and increased CPK. Most common grade ≥3 TRAEs (>3%) in Asians: increased CPK; in non-Asians, increased CPK and lipase, hypertension. Early-onset pulmonary AEs occurred in 3 (4%; 1 grade ≥3) Asian (Korean) and 11 (7%; 6 grade ≥3) non-Asian pts. Dose reductions due to AE: 7.7/30.0% in Asian pts; 7.1/28.8% in non-Asian pts; discontinuations due to AE: 7.7/16.7% in Asian pts; 10.0/20.0% in non-Asian pts.Table:

1543P

Investigator-AssessedIndependent Review Committee (IRC)–Assessed
Asian (n = 69)Non-Asian (n = 153)Asian (n = 69)Non-Asian (n = 153)
Arm A (n = 39)Arm B (n = 30)Arm A (n = 73)Arm B (n = 80)Arm A (n = 39)Arm B (n = 30)Arm A (n = 73)Arm B (n = 80)
Confirmed ORR, %49 (30–67a)67 (45–84a)44 (31–58a)53 (40–65a)56 (40–72b)67 (47–83b)48 (36–60b)53 (41–64b)
Median DoR in responders,c mo13.7 (5.6–19.4b)13.8 (10.2–14.8b)9.5 (7.4–NRb)16.6 (9.0–24.0b)16.4 (5.6–24.9b)13.9 (7.4–19.4b)24.6 (7.4–NRb)15.7 (12.6–30.2b)
Median PFS,c mo Events, %9.2 (5.6–15.6b) 6915.6 (11.1–15.7b) 609.2 (5.7–11.1b) 6914.7 (10.8–24.0b) 589.1 (5.6–18.2b) 6715.6 (9.2–21.2b) 609.9 (9.0–26.3b) 5317.9 (11.6–23.9b) 45
OSc Median, mo 1-y,c % 2-y,c % NR (18.2–NRb) 77 (60–88b) 56 (37–72b) NR (NR–NRb) 92 (73–98b) 79 (57–91b) 29.5 (14.5–NRb) 67 (54–76b) 53 (41–64b) 34.1 (22.6–NRb) 76 (65–84b) 62 (50–71b) – – – – – – – – – – – –

DoR, duration of response; NR, not reached; ORR, objective response rate; OS, overall survival; PFS, progression-free survival. a97.5% CI (primary endpoint); b95% CI; cKaplan-Meier estimate.

Conclusions

BRG showed comparable efficacy and acceptable safety in Asians and non-Asians in CRZ-refractory ALK+ NSCLC, with nonsignificant, numerically improved PFS at the 180-mg (with lead-in) dose.

Clinical trial identification

NCT02094573.

Editorial acknowledgement

Peloton Advantage, LLC, an OPEN Health Company, funded by Millennium Pharmaceuticals, Inc., a wholly owned subsidiary of Takeda Pharmaceutical Company Limited.

Legal entity responsible for the study

ARIAD Pharmaceuticals, Inc., a wholly owned subsidiary of Takeda Pharmaceutical Company Limited.

Funding

ARIAD Pharmaceuticals, Inc., a wholly owned subsidiary of Takeda Pharmaceutical Company Limited.

Disclosure

D.H. Lee: Honoraria (self): AbbVie, AstraZeneca, Boehringer Ingelheim, Bristol-Myers Squibb, ChongKunDang, CJ Healthcare, Eli Lilly, Genexine, Janssen, Merck, MSD, Mundipharma, Novartis, Ono, Pfizer, Roche, Samyang Biopharm, ST Cube, Takeda. D. Kim: Research grant / Funding (institution): Alpha Biopharma, Astrazeneca/MedImmune, Hanmi, Janssen, Merus, Mirati Therapeutics, MSD, Novartis, ONO Pharmaceutical, Pfizer, Roche/Genentech, Takeda, TP Therapeutics, Xcovery, Yuhan. D.R. Camidge: Honoraria (self): AstraZeneca, Takeda, Genoptix, G1 Therapeutics [DSMB], Mersana Therapeutics, Roche, Ignyta, Daiichi Sankyo [ILD adjudication committee], Hansoh SRC, Bio-Thera DSMB, Lycera, Revolution Med; Research grant / Funding (self): Takeda. C.J. Langer: Honoraria (self): Bristol-Myers Squibb, Eli Lilly, Roche/Genentech; Advisory / Consultancy: Abbott, ARIAD, AstraZeneca, Bayer/Onyx, Bristol-Myers Squibb, Cancer Support Community, Celgene, Clarient, Clovis Oncology, Eli Lilly, Merck, Roche/Genentech, Takeda; Research grant / Funding (self): Advantagene, ARIAD, Celgene, Clovis Oncology, GlaxoSmithKline, Inovio, Merck, Roche/Genentech, Stemcentrx; Advisory / Consultancy: Amgen, Lilly, Peregrine Pharmaceuticals, Synta. R.M. Huber: Honoraria (self): ARIAD, AstraZeneca, Boehringer Ingelheim, Bristol-Myers Squibb, Pfizer, Roche; Advisory / Consultancy: Boehringer Ingelheim, Bristol-Myers Squibb, Celgene, Clovis Oncology, Eli Lilly, Novartis, Roche; Research grant / Funding (self): Pierre Fabre. M. Tiseo: Advisory / Consultancy, Speaker Bureau / Expert testimony: AstraZeneca, BMS, Boehringer Ingelheim, Eli Lilly, MSD, Novartis, Otsuka, Pfizer, Pierre Fabre, Roche. H.L. West: Advisory / Consultancy: AbbVie, ARIAD, AstraZeneca, Boehringer Ingelheim, Bristol-Myers Squibb, Celgene, Merck, PharmaMar, Roche/Genentech, Spectrum, Takeda; Speaker Bureau / Expert testimony: ARIAD, Bristol-Myers Squibb, Roche/Genentech. H.J.M. Groen: Advisory / Consultancy: AbbVie, BMS, Eli Lilly, MSD, Novartis, Pfizer, Roche/Genentech; Research grant / Funding (self): Eli Lilly, Roche. K.L. Reckamp: Advisory / Consultancy: Amgen, ARIAD, Astellas, Takeda, Tesaro; Research grant / Funding (self): Adaptimmune, ARIAD, BMS, Boehringer Ingelheim, AbbVie, Novartis, Pfizer, Roche/Genentech, Xcovery. M.J. Hochmair: Honoraria (self): AstraZeneca, Bristol-Myers Squibb, Boehringer Ingelheim, Merck Sharp & Dohme, Pfizer, Roche, Takeda; Advisory / Consultancy: Boehringer Ingelheim, Merck Sharp & Dohme, Novartis, Roche, Takeda. N.B. Leighl: Travel / Accommodation / Expenses: AstraZeneca, BMS, MSD, Pfizer. K.H. Hansen: Honoraria (self): AstraZeneca, Boehringer Ingelheim, Lilly, Novartis, Roche; Advisory / Consultancy: AstraZeneca, BMS, Boehringer Ingelheim, Lilly, MSD, Roche; Travel / Accommodation / Expenses: BMS, Boehringer Ingelheim, MSD, Pfizer, Roche. S.N. Gettinger: Advisory / Consultancy: Alexion Pharmaceuticals, ARIAD, Bristol-Myers Squibb, Pfizer; Research grant / Funding (self): ARIAD, Bristol-Myers Squibb, Incyte, Pfizer, Roche/Genentech. L. Paz-Ares: Honoraria (self), Spouse / Financial dependant: Eli Lilly, MSD, BMS, Roche, PharmaMar, Merck, AstraZeneca, Novartis, Boehringer Ingelheim, Celgene, Servier, Sysmex, Amgen, Incyte, Pfizer, Ipsen, Adacap, Sanofi, Bayer, Blueprint; Officer / Board of Directors: Genomica; Research grant / Funding (institution): MSD, BMS, AstraZeneca, Pfizer. E.S. Kim: Advisory / Consultancy: AstraZeneca, Celgene, Eli Lilly; Honoraria (self): Eli Lilly, AstraZeneca, Celgene. E.F. Smit: Advisory / Consultancy: Eli Lilly; Research grant / Funding (self): AstraZeneca, Bayer, Boehringer Ingelheim, Roche/Genentech. Q. Ni: Full / Part-time employment: Takeda. P. Zhang: Full / Part-time employment: Takeda. M. Ahn: Honoraria (self): AstraZeneca, Boehringer Ingelheim, Lilly, MSD; Advisory / Consultancy: AstraZeneca, Boehringer Ingelheim, Lilly, MSD. All other authors have declared no conflicts of interest.

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