Activity and safety of ceritinib in patients with ALK-rearranged non-small-cell lung cancer (ASCEND-1): updated results from the multicentre, open-label, phase 1 trial.
ALK-rearranged non-small-cell lung cancer (NSCLC) is sensitive to ALK tyrosine kinase inhibitors (ALK inhibitors) such as crizotinib, but resistance invariably develops, often with progression in the brain. Ceritinib is a more potent ALK inhibitor than crizotinib in vitro, crosses the blood-brain barrier in vivo, and shows clinical responses in patients with crizotinib-resistant disease. We aimed to assess whole-body activity of ceritinib in both ALK inhibitor-pretreated and ALK inhibitor-naive patients with ALK-rearranged NSCLC.
ASCEND-1 was an open-label, phase 1 trial that recruited patients from 20 academic hospitals or cancer centres in 11 countries in Europe, North America, and Asia-Pacific. Eligible patients were aged 18 years or older with ALK-rearranged locally advanced or metastatic cancer that had progressed despite standard therapy (or for which no effective standard therapy existed), who had at least one measurable lesion at baseline. The primary objective (to determine the maximum tolerated dose) has been reported previously. This updated analysis includes all patients with ALK-rearranged NSCLC given oral ceritinib at the recommended dose of 750 mg/day in the dose-escalation and expansion phases. Here we report the secondary outcomes of overall response, duration of response, and progression-free survival, analysed in all patients who received at least one 750 mg dose of ceritinib. Exploratory analyses included retrospective analysis of intracranial activity by independent neuroradiologists, in patients with untreated or locally treated neurologically stable brain metastases at baseline. Safety was assessed in all patients who received at least one dose of ceritinib. This study is no longer recruiting patients; however, treatment and follow-up are ongoing. This study is registered with ClinicalTrials.gov, number NCT01283516.
Between Jan 24, 2011, and July 31, 2013, 255 patients were enrolled and received at least one dose of ceritinib 750 mg/day, of whom 246 had ALK-rearranged NSCLC. At data cutoff (April 14, 2014), median follow-up was 11·1 months (IQR 6·7-15·2) and 147 (60%) patients had discontinued treatment, 98 (40%) as a result of disease progression. An overall response was reported in 60 (72% [95% CI 61-82]) of 83 ALK inhibitor-naive patients and 92 (56% [49-64]) of 163 ALK inhibitor-pretreated patients. Median duration of response was 17·0 months (95% CI 11·3-non-estimable [NE]) in ALK inhibitor-naive patients and 8·3 months (6·8-9·7) in ALK inhibitor-pretreated patients. Median progression-free survival was 18·4 months (95% CI 11·1-NE) in ALK inhibitor-naive patients and 6·9 months (5·6-8·7) in ALK inhibitor-pretreated patients. Of 94 patients with retrospectively confirmed brain metastases and at least one post-baseline MRI or CT tumour assessment, intracranial disease control was reported in 15 (79% [95% CI 54-94]) of 19 ALK inhibitor-naive patients and in 49 (65% [54-76]) of 75 ALK inhibitor-pretreated patients. Of these 94 patients, 11 had measurable brain lesions and no previous radiotherapy to the brain, six of whom achieved a partial intracranial response. Serious adverse events were recorded in 117 (48%) of 246 patients. The most common grade 3-4 laboratory abnormalities were increased alanine aminotransferase (73 [30%] patients) and increased aspartate aminotransferase (25 [10%]). The most common grade 3-4 non-laboratory adverse events were diarrhoea and nausea, both of which occurred in 15 (6%) patients. Two on-treatment deaths during the study were deemed to be related to study drug by the investigators, one due to interstitial lung disease and one as a result of multiorgan failure that occurred in the context of infection and ischaemic hepatitis.
The durable whole-body responses reported, together with the intracranial activity, support a clinical benefit for treatment with ceritinib in patients with ALK-rearranged NSCLC who have received crizotinib, or as an alternative to crizotinib. A confirmatory phase 2 clinical trial is ongoing to assess ceritinib activity in patients with ALK-rearranged NSCLC and brain or leptomeningeal metastases.
Novartis Pharmaceuticals Corporation.
Kim DW
，Mehra R
，Tan DSW
，Felip E
，Chow LQM
，Camidge DR
，Vansteenkiste J
，Sharma S
，De Pas T
，Riely GJ
，Solomon BJ
，Wolf J
，Thomas M
，Schuler M
，Liu G
，Santoro A
，Sutradhar S
，Li S
，Szczudlo T
，Yovine A
，Shaw AT
... -
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Genetic landscape of patients with ALK-rearranged non-small-cell lung cancer (NSCLC) and response to ceritinib in ASCEND-1 study.
To better understand genetic determinants of response to ceritinib, an exploratory analysis was conducted using tumor biopsies from anaplastic lymphoma kinase (ALK)-rearranged (ALK+) non-small-cell lung cancer (NSCLC) patients treated with ceritinib at doses of ≥ 300 mg in the ASCEND-1 study.
ASCEND-1 was an open-label, multicentre, phase 1, dose-escalation and expansion study of ceritinib (fasted) in ALK inhibitor (ALKi)-naïve or ALKi-pretreated patients with locally advanced or metastatic ALK + NSCLC. Biopsies were assayed by next-generation sequencing (NGS) using a Foundation Medicine panel targeting 295 genes. Somatic alterations were correlated with clinical outcome (cut-off 14-Apr-2014). A total of 285 ALK + NSCLC patients were treated with ceritinib at doses ≥ 300 mg.
NGS data were generated for 85 pts (ALKi-pretreated [n = 54]; ALKi-naïve [n = 31]), 57 were collected from patients before exposure to any ALKi. NGS did not detect ALK rearrangement in 14 of 85 patients; several of these ALK NGS negative cases harbored alternative drivers, e.g. EGFR mutation. Of the 71 biopsies with NGS confirmed ALK rearrangement, the most frequently detected rearrangements were EML4-ALK variant 1 (V1) and EML4-ALK V3 (36.6% [26/71] and 32.4% [23/71] respectively). Eight (six crizotinib-pretreated and two pretreated with crizotinib followed by alectinib) of the 21 ALKi-pretreated patients carried a point mutation of the ALK TKD, and had the biopsy collected between 1 and 14 days before ceritinib; with the exception of one patient with a G1202R point mutation, all patients derived clinical benefit from ceritinib treatment. Of the 14 ALKi-naïve patients, ceritinib was effective in almost all patients, including a patient carrying a concomitant ERBB4 and HGF amplification.
This exploratory analysis highlights the potential role of NGS in improving our understanding of response and resistance to ceritinib. It also illustrates that ceritinib is active against almost all ALK resistance mutations found in ALKi-pretreated patients.
ClinicalTrials.gov, NCT01283516. Registered January 26, 2011, https://clinicaltrials.gov/ct2/show/NCT01283516.
Tan DS
，Thomas M
，Kim DW
，Szpakowski S
，Urban P
，Mehra R
，Chow LQM
，Sharma S
，Solomon BJ
，Felip E
，Camidge DR
，Vansteenkiste J
，Petruzzelli L
，Pantano S
，Shaw AT
... -
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Management of ceritinib therapy and adverse events in patients with ALK-rearranged non-small cell lung cancer.
Anaplastic lymphoma kinase rearrangement (ALK+) occurs in approximately 2-7% of patients with non-small cell lung cancer (NSCLC), contributing to a considerable number of patients with ALK+ NSCLC worldwide. Ceritinib is a next generation ALK inhibitor (ALKi), approved by the European Medicines Agency in 2015. In the first-in-human, phase I study, ceritinib demonstrated rapid and durable responses in ALK patients previously treated with a different ALKi and in those who were ALKi-naive. As ceritinib is starting to be used routinely for the treatment of patients with ALK+ NSCLC, experience is growing with regard to ideal therapy management. In this review we provide a brief background to the development of ceritinib. The optimal treatment management and adverse events associated with ceritinib in clinical trials and in clinical practice are then discussed in detail, and where applicable, an expert consensus on specific recommendations are made. In clinical trials, the most common adverse events related to ceritinib are nausea, vomiting, and diarrhea. However, the majority of these are mild and, in the opinion of the authors, can be effectively managed with dose modifications. Based on clinical data, ceritinib has demonstrated efficacy as a first-line therapy and in patients who have relapsed on crizotinib, including those with brain metastases at baseline. Unfortunately, at some point, all patients experience progressive disease, with the central nervous system being a common site of metastases. Recommendations are made for continuing treatment beyond disease progression as long as a clinical benefit to patients is observed. Here, we review management of ceritinib treatment and adverse events and make recommendations on optimal management of patients.
Califano R
，Greystoke A
，Lal R
，Thompson J
，Popat S
... -
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