Reference Detail

Ref Type Journal Article
PMID (29074098)
Authors Shaw AT, Felip E, Bauer TM, Besse B, Navarro A, Postel-Vinay S, Gainor JF, Johnson M, Dietrich J, James LP, Clancy JS, Chen J, Martini JF, Abbattista A, Solomon BJ
Title Lorlatinib in non-small-cell lung cancer with ALK or ROS1 rearrangement: an international, multicentre, open-label, single-arm first-in-man phase 1 trial.
Journal The Lancet. Oncology
Vol 18
Issue 12
Date 2017 Dec
URL
Abstract Text Most patients with anaplastic lymphoma kinase (ALK)-rearranged or ROS proto-oncogene 1 (ROS1)-rearranged non-small-cell lung cancer (NSCLC) are sensitive to tyrosine kinase inhibitor (TKI) therapy, but resistance invariably develops, commonly within the CNS. This study aimed to analyse the safety, efficacy, and pharmacokinetic properties of lorlatinib, a novel, highly potent, selective, and brain-penetrant ALK and ROS1 TKI with preclinical activity against most known resistance mutations, in patients with advanced ALK-positive or ROS1-positive NSCLC.In this international multicentre, open-label, single-arm, first-in-man phase 1 dose-escalation study, eligible patients had advanced ALK-positive or ROS1-positive NSCLC and were older than 18 years, with an Eastern Cooperative Oncology Group performance status of 0 or 1, and adequate end-organ function. Lorlatinib was administered orally to patients at doses ranging from 10 mg to 200 mg once daily or 35 mg to 100 mg twice daily, with a minimum of three patients receiving each dose. For some patients, tumour biopsy was done before lorlatinib treatment to identify ALK resistance mutations. Safety was assessed in patients who received at least one dose of lorlatinib; efficacy was assessed in the intention-to-treat population (patients who received at least one dose of study treatment and had either ALK or ROS1 rearrangement). The primary endpoint was dose-limiting toxicities during cycle 1 according to investigator assessment; secondary endpoints included safety, pharmacokinetics, and overall response. This study is ongoing and is registered with ClinicalTrials.gov, number NCT01970865.Between Jan 22, 2014, and July 10, 2015, 54 patients received at least one dose of lorlatinib, including 41 (77%) with ALK-positive and 12 (23%) with ROS1-positive NSCLC; one patient had unconfirmed ALK and ROS1 status. 28 (52%) patients had received two or more TKIs, and 39 (72%) patients had CNS metastases. The most common treatment-related adverse events among the 54 patients were hypercholesterolaemia (39 [72%] of 54 patients), hypertriglyceridaemia (21 [39%] of 54 patients), peripheral neuropathy (21 [39%] of 54 patients), and peripheral oedema (21 [39%] of 54 patients). One dose-limiting toxicity occurred at 200 mg (the patient did not take at least 16 of 21 prescribed total daily doses in cycle 1 because of toxicities attributable to study drug, which were grade 2 neurocognitive adverse events comprising slowed speech and mentation and word-finding difficulty). No maximum tolerated dose was identified. The recommended phase 2 dose was selected as 100 mg once daily. For ALK-positive patients, the proportion of patients who achieved an objective response was 19 (46%) of 41 patients (95% CI 31-63); for those who had received two or more TKIs, the proportion of patients with an objective response was 11 (42%) of 26 patients (23-63). In ROS1-positive patients, including seven crizotinib-pretreated patients, an objective response was achieved by six (50%) of 12 patients (95% CI 21-79).In this phase 1, dose-escalation study, lorlatinib showed both systemic and intracranial activity in patients with advanced ALK-positive or ROS1-positive NSCLC, most of whom had CNS metastases and had previously had two or more TKI treatments fail. Therefore, lorlatinib might be an effective therapeutic strategy for patients with ALK-positive NSCLC who have become resistant to currently available TKIs, including second-generation ALK TKIs, and is being investigated in a phase 3 randomised controlled trial comparing lorlatinib to crizotinib (ClinicalTrials.gov, NCT03052608).Pfizer.

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Molecular Profile Treatment Approach
Gene Name Source Synonyms Protein Domains Gene Description Gene Role
Therapy Name Therapy Description
Drug Name Trade Name Synonyms Drug Classes Drug Description
Variant Impact Protein Effect Variant Description Associated with drug Resistance
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
ALK rearrange non-small cell lung carcinoma sensitive Lorlatinib Phase II Actionable IIn a Phase II trial, Lorbrena (lorlatinib) treatment resulted in an objective response (OR) rate of 90% (27/30; 1 complete response (CR) and 26 partial responses (PR)) and an intracranial response rate of 66.7% (2/3) in treatment-naive non-small cell lung cancer (NSCLC) patients harboring an ALK rearrangement, and an OR rate of 47% (93/198; 4 CR, 89 PR) and an objective intracranial response rate of 63% (51/81) in ALK-rearranged NCSLC patients that had received prior therapy (PMID: 30413378; NCT01970865). 30413378
ALK rearrange non-small cell lung carcinoma sensitive Lorlatinib FDA approved Actionable In a Phase II trial that supported FDA approval, Lorbrena (lorlatinib) treatment resulted in an objective response rate of 48% (103/215, 4% complete response, 44% partial response) in ALK-rearranged non-small cell lung carcinoma patients that had received more than one prior Alk kinase inhibitor therapy, with an estimated median response duration of 12.5 months (J Clin Oncol, May 2018, 36(no. 15_suppl):9032-9032; NCT01970865). detail...
ALK rearrange non-small cell lung carcinoma sensitive Lorlatinib Phase I Actionable In a Phase I trial, Lorbrena (lorlatinib) treatment resulted in an objective response in 46% (19/41) of patients with non-small cell lung carcinoma harboring an ALK rearrangement (PMID: 29074098; NCT03052608). 29074098
ROS1 rearrange non-small cell lung carcinoma sensitive Lorlatinib Phase I Actionable In a Phase I trial, Lorlatinib (PF-06463922) treatment resulted in an objective response in 50% (6/12) of patients with non-small cell lung carcinoma harboring a ROS1 rearrangement (PMID: 29074098; NCT03052608). 29074098