Abstract 1192
Background
REACH (NCT01140347) and REACH-2 (NCT02435433) studied ramucirumab (RAM) 8 mg/kg Q2W in patients with HCC after sorafenib, with REACH-2 only enrolling patients with baseline AFP ≥400 ng/mL. In REACH-2 RAM treatment improved overall survival (OS) compared to placebo (P), consistent with REACH (AFP ≥400 ng/mL) patients. Here we describe exposure–response analyses (efficacy and safety) in patients from the studies.
Methods
Individual patient data from patients with Child–Pugh A, BCLC stage B/C, and AFP ≥400 ng/mL were pooled for exposure–response analyses (n = 311 RAM with evaluable RAM exposure vs n = 216 P). Estimates of exposure (minimum concentration after first dose [Cmin,1]) were treated as either continuous or categorical (group to quartiles) to evaluate the relationship to OS, progression-free survival (PFS), and as categorical to evaluate the relationship to selected safety endpoints. Multivariate Cox regression or case-matched control analysis was used to evaluate OS/PFS and adjust potential imbalance in baseline prognostic factors between each quartile and the P groups.
Results
Several poor prognostic factors, including Child–Pugh A6 and macrovascular invasion, appeared to be more frequent in the lower exposure quartiles. Increasing RAM exposure was significantly associated with improved OS (p < 0.0001), but not PFS (p = 0.12), when treated as a continuous variable. While smaller hazard ratios were observed in the higher exposure quartiles for OS, a strong RAM treatment effect on PFS was observed over all exposure ranges (Table). No apparent association between increased RAM exposure and incidences of selected adverse events was observed except Grade ≥3 hypertension.Table:
758P Cox regression of overall survival and progression-free survival for matched case-control groups for patients with HCC and AFP ≥400 ng/mL
Matched Case-Control Group Cmin,1 Quartiles | Ramucirumab (Case) N/Events | Placebo (Control) N/Events | Hazard Ratio (95% CI) |
---|---|---|---|
Overall survivala,b | |||
Q1 | 77/67 | 77/65 | 0.967 (0.687, 1.362) |
Q2 | 78/63 | 78/63 | 0.821 (0.578, 1.164) |
Q3 | 78/60 | 78/66 | 0.613 (0.431, 0.870) |
Q4 | 78/51 | 78/61 | 0.547 (0.377, 0.794) |
Progression-free survivala,c | |||
Q1 | 77/69 | 77/74 | 0.589 (0.423, 0.820) |
Q2 | 78/66 | 78/72 | 0.575 (0.410, 0.808) |
Q3 | 78/72 | 78/77 | 0.488 (0.352, 0.676) |
Q4 | 78/66 | 78/75 | 0.458 (0.328, 0.639) |
Evaluated using case-matched control analysis
bMatching factors adjusted for OS: macrovascular invasion, baseline ECOG PS, and baseline AFP (log-transformed)
cMatching factors adjusted for PFS: age (<65 years vs ≥ 65 years) and baseline AFP (log-transformed) CI, confidence interval; Q1–Q4, Cmin,1 quartiles, Q1 being the lowest exposure quartile and Q4 the highest exposure quartile;.
Conclusions
RAM 8 mg/kg Q2W is a safe and effective dosing regimen for patients with HCC and AFP ≥400 ng/mL, after sorafenib. Potential disease-PK interaction may confound interpretation of exposure-efficacy relationships and warrants further exploration.
Clinical trial identification
REACH (NCT01140347) and REACH-2 (NCT02435433).
Editorial acknowledgement
Sotiris Georgantopoulos and Gillian Gummer, Rx Communications, Mold, UK.
Legal entity responsible for the study
Eli Lilly and Company.
Funding
Eli Lilly and Company.
Disclosure
J. Llovet: Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Bayer Healthcare Pharmaceuticals; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): EISAI Inc; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Bristol-Myers Squibb; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Ipsen; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Blueprint; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Incyte; Advisory / Consultancy, Speaker Bureau / Expert testimony: Eli Lilly; Advisory / Consultancy, Speaker Bureau / Expert testimony: Celsion Corporation; Advisory / Consultancy, Speaker Bureau / Expert testimony: Exelixis; Advisory / Consultancy, Speaker Bureau / Expert testimony: Merck; Advisory / Consultancy, Speaker Bureau / Expert testimony: Glycotest; Advisory / Consultancy, Speaker Bureau / Expert testimony: Navigant; Advisory / Consultancy, Speaker Bureau / Expert testimony: Leerink Swann LLC; Advisory / Consultancy, Speaker Bureau / Expert testimony: Midatech Ltd; Advisory / Consultancy, Speaker Bureau / Expert testimony: Fortress Biotech Inc; Advisory / Consultancy, Speaker Bureau / Expert testimony: Spring Bank Pharmaceuticals; Advisory / Consultancy, Speaker Bureau / Expert testimony: Nucleix. M. Kudo: Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Bayer; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Eisai; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): MSD; Speaker Bureau / Expert testimony: Ajinomoto; Research grant / Funding (institution): Chugai; Research grant / Funding (institution): Otsuka; Research grant / Funding (institution): Takeda; Research grant / Funding (institution): Taiho; Research grant / Funding (institution): Daiichi Sankyo; Research grant / Funding (institution): AbbVie; Research grant / Funding (institution): Astellas Pharma; Research grant / Funding (institution): Bristol-Myers Squibb; Advisory / Consultancy: BMS; Advisory / Consultancy: Ono Pharmaceutical. Y. Kang: Advisory / Consultancy: Ono; Advisory / Consultancy: Roche/Genentech; Advisory / Consultancy, Research grant / Funding (self): DAE HWA Pharmaceutical; Advisory / Consultancy: Merck Serono; Advisory / Consultancy: Bristol-Myers Squibb; Advisory / Consultancy: Astellas Pharma; Advisory / Consultancy, Research grant / Funding (self): LSK Biopharma. R.S. Finn: Advisory / Consultancy: AstraZeneca; Advisory / Consultancy: Bayer; Advisory / Consultancy: Bristol-Myers Squibb; Advisory / Consultancy: Eli Lilly; Advisory / Consultancy: Pfizer; Advisory / Consultancy: Merck; Advisory / Consultancy: Novartis; Advisory / Consultancy: Roche/Genentech; Advisory / Consultancy: Eisai. P.R. Galle: Advisory / Consultancy, Speaker Bureau / Expert testimony: Bayer; Advisory / Consultancy, Speaker Bureau / Expert testimony: BMS; Advisory / Consultancy, Speaker Bureau / Expert testimony: MSD; Advisory / Consultancy, Speaker Bureau / Expert testimony: Merck; Advisory / Consultancy, Speaker Bureau / Expert testimony: SIRTEX; Advisory / Consultancy, Speaker Bureau / Expert testimony: AstraZeneca; Advisory / Consultancy, Speaker Bureau / Expert testimony: Sillajen; Advisory / Consultancy, Speaker Bureau / Expert testimony: Lilly. T. Okusaka: Honoraria (self), Honoraria (institution), Research grant / Funding (institution): Novartis Pharma K.K.; Research grant / Funding (institution): Kowa K.K.; Research grant / Funding (institution): Takeda Bio Development Centre Ltd; Advisory / Consultancy, Research grant / Funding (institution): Nippon Boehringer Ingelheim Co.,Ltd.; Honoraria (self), Honoraria (institution), Advisory / Consultancy, Research grant / Funding (institution): Dainippon Simitomo Pharma Co., Ltd; Honoraria (self), Honoraria (institution), Research grant / Funding (institution): Pfizer Jana Inc.; Honoraria (self), Honoraria (institution), Research grant / Funding (institution): Bayer Yakuhin, Ltd.; Honoraria (self), Honoraria (institution), Research grant / Funding (institution): Chugai Pharmaceutical Co., Ltd.; Honoraria (self), Honoraria (institution), Research grant / Funding (institution): Yakuruto Honsha Co., Ltd.; Honoraria (self), Honoraria (institution), Advisory / Consultancy, Research grant / Funding (institution): Ono Pharmaceutical Co., Ltd.; Honoraria (self), Honoraria (institution), Research grant / Funding (institution): Eisai Co., Ltd.; Honoraria (self), Honoraria (institution), Research grant / Funding (institution): AstraZeneca K.K.; Honoraria (self), Honoraria (institution), Research grant / Funding (institution): Merck Serono Co., Ltd.; Research grant / Funding (institution): OncoTherapy Science Inc.; Research grant / Funding (institution): Kyowa Hakko Kirin Co.,; Research grant / Funding (institution): Shizuoka Industry; Honoraria (self), Honoraria (institution), Research grant / Funding (institution): Baxter; Advisory / Consultancy, Research grant / Funding (institution): Nano Carrier Co., Ltd.; Advisory / Consultancy, Research grant / Funding (institution): Zeria Pharmaceutical Co., Ltd.; Research grant / Funding (institution): Glaxo Smith Kline K.K.; Honoraria (self), Honoraria (institution), Research grant / Funding (institution): Nobelpharma Co., Ltd.; Honoraria (self), Honoraria (institution): Bristol-Myers Squibb Company; Honoraria (self), Honoraria (institution): Nipponchemofa; Honoraria (self), Honoraria (institution): EA Pharma Co., Ltd.; Honoraria (self), Honoraria (institution): FUJIFILM RI Pharma Co., Ltd.; Honoraria (self), Honoraria (institution): Astellas Pharma Inc.; Honoraria (self), Honoraria (institution): Nippon Kayaku Co., Ltd.; Honoraria (self), Honoraria (institution), Advisory / Consultancy: Daiichi Sankyo Co., Ltd.; Honoraria (self), Honoraria (institution): Celgene, K.K.; Honoraria (self), Honoraria (institution): MSD, K.K.; Honoraria (self), Honoraria (institution): Teijin Pharma, Ltd. T. Berg: Advisory / Consultancy, Research grant / Funding (institution), Non-remunerated activity/ies: AbbVie; Advisory / Consultancy, Research grant / Funding (institution), Non-remunerated activity/ies: Gilead; Advisory / Consultancy, Research grant / Funding (institution): BMS; Advisory / Consultancy: Bayer; Advisory / Consultancy, Research grant / Funding (institution): Janssen; Advisory / Consultancy, Research grant / Funding (institution): Roche; Advisory / Consultancy: Intercept; Advisory / Consultancy, Research grant / Funding (institution): Merck/MSD; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Sequana Medical; Advisory / Consultancy, Speaker Bureau / Expert testimony: SIRTEX; Advisory / Consultancy, Speaker Bureau / Expert testimony: Alexion; Research grant / Funding (institution): Lilly; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Esai; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Ipsen. C. Hsu: Honoraria (self), Honoraria (institution), Advisory / Consultancy, Research grant / Funding (institution): Bristol-Myers Squibb; Honoraria (self), Honoraria (institution), Advisory / Consultancy, Research grant / Funding (institution): Ono Pharmaceutical; Honoraria (self), Honoraria (institution), Advisory / Consultancy, Research grant / Funding (institution): Merck Sharp & Dohme; Honoraria (self), Honoraria (institution): Roche; Advisory / Consultancy, Research grant / Funding (institution): Merck Serono; Research grant / Funding (institution): AstraZeneca; Research grant / Funding (institution): Genetech; Research grant / Funding (institution): Taiho Pharmaceutical. M. Ikeda: Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution): Eli Lilly and Company - Japan; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution): Novartis Pharma; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution): Bayer Yakuhin; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution): Eisai; Honoraria (self): Taiho Pharmaceutical; Honoraria (self): Sumitomo Dainippon Pharma; Honoraria (self), Advisory / Consultancy: Teijin Pharma; Honoraria (self): EA Pharma; Honoraria (self): Kaken Pharmaceutical; Honoraria (self): MSD; Honoraria (self): Gilead; Advisory / Consultancy: Otsuka Pharmaceutical; Advisory / Consultancy: Daiichi-Sankyo; Advisory / Consultancy: Shire; Advisory / Consultancy, Research grant / Funding (institution): ASLAN Pharmaceuticals; Advisory / Consultancy, Research grant / Funding (institution): Chugai Pharmaceutical; Advisory / Consultancy: Astellas Pharma; Advisory / Consultancy: Micron; Research grant / Funding (institution): Bristol-Myers Squibb; Research grant / Funding (institution): Yakult; Research grant / Funding (institution): Ono Pharmaceutical; Research grant / Funding (institution): AstraZeneca; Research grant / Funding (institution): Merck Serono; Research grant / Funding (institution): Nano Carrier; Research grant / Funding (institution): Takeda Pharmaceutical; Research grant / Funding (institution): J-Pharma. Y. Hsu: Shareholder / Stockholder / Stock options, Full / Part-time employment: Eli Lilly and Company. K. Liang: Shareholder / Stockholder / Stock options, Full / Part-time employment: Eli Lilly and Company. R. Widau: Shareholder / Stockholder / Stock options, Full / Part-time employment: Eli Lilly and Company. W. Schelman: Shareholder / Stockholder / Stock options, Full / Part-time employment: Eli Lilly and Company. L. O’Brien: Shareholder / Stockholder / Stock options, Full / Part-time employment: Eli Lilly and Company. L. Gao: Shareholder / Stockholder / Stock options, Full / Part-time employment: Eli Lilly and Company. A.X. Zhu: Advisory / Consultancy: EISAI; Advisory / Consultancy, Research grant / Funding (institution): Bristol-Myers Squibb; Advisory / Consultancy, Research grant / Funding (institution): Merck; Advisory / Consultancy, Research grant / Funding (institution): Novartis; Advisory / Consultancy: Sanofi; Advisory / Consultancy: AstraZeneca; Advisory / Consultancy, Research grant / Funding (institution): Bayer; Advisory / Consultancy, Research grant / Funding (institution): Lilly; Advisory / Consultancy: Exelixis. All other authors have declared no conflicts of interest.
Resources from the same session
5629 - Outcome of triple negative inflammatory breast cancers (TNIBC) treated with dose dense neoadjuvant epirubicin cyclophosphmide, prognostic impact of pre and post neoadjuvant chemotherapy (NAC) tumor infiltrating lymphocytes (TIL) and post NAC lymphovascular invasion
Presenter: Luca Campedel
Session: Poster Display session 2
Resources:
Abstract
5792 - A novel PET parameter for cancer stem cell metabolism: early prediction of chemosensitivity to neoadjuvant chemotherapy in locally advanced breast cancer
Presenter: Chanwoo Kim
Session: Poster Display session 2
Resources:
Abstract
3728 - Using nodal ratio to predict recurrence in patients with 4 or more positive lymph nodes early stage breast cancer
Presenter: Besma Graja
Session: Poster Display session 2
Resources:
Abstract
3395 - Re-sentinel node biopsy for local recurrence after breast-conserving surgery
Presenter: Yuka Matsubara
Session: Poster Display session 2
Resources:
Abstract
4302 - Assessment of prognostic and therapeutic factors in men with breast cancer
Presenter: Daniel Herrero Rivera
Session: Poster Display session 2
Resources:
Abstract
4263 - Genomic Profiling of Chinese Breast Cancer Patients
Presenter: Zhonghua Tao
Session: Poster Display session 2
Resources:
Abstract
2406 - Genome copy number alteration burden represents predictor of response in long-term, never relapse exceptional responders of trastuzumab-treated HER2+ metastatic breast cancer
Presenter: Naomi Walsh
Session: Poster Display session 2
Resources:
Abstract
2575 - Next-generation DNA Sequencing (NGS) Results for Tumors From Phase 2 ABRAZO Study of Talazoparib After Platinum or Cytotoxic Non-Platinum Regimens in Patients (pts) With Advanced Breast Cancer (ABC) and Germline BRCA1/2 (gBRCA) Mutations
Presenter: Nicholas C. Turner
Session: Poster Display session 2
Resources:
Abstract
4499 - FGFR1 and CCND1 gene amplifications are associated with breast cancer resistance to aromatase inhibitors
Presenter: Evgeny Imyanitov
Session: Poster Display session 2
Resources:
Abstract
4110 - Clinicopathologic features of BRCA mutated breast cancer patients: Hacettepe Experience
Presenter: Sercan Aksoy
Session: Poster Display session 2
Resources:
Abstract