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Bedside-to-Bench Report

The efficacy of lorlatinib in a lung adenocarcinoma patient with a novel ALK G1202L mutation: a case report

, , , & ORCID Icon
Pages 1-4 | Received 21 Aug 2019, Accepted 22 Sep 2020, Published online: 30 Dec 2020

Figures & data

Figure 1. Clinical, molecular, and radiological summary of our patient. (a). An illustrated summary of the treatment regimen received by the patient including best response and progression-free survival in each line of treatment. Hematoxylin-eosin staining illustrating the diagnosis of adenocarcinoma (magnification 400X). Chest computed tomography (CT) scans of the patient from baseline (b), at evaluation of partial response (PR) within 2 months of crizotinib therapy (c), at PD after 11 months of crizotinib therapy (d), at PD after 12 months of brigatinib therapy (e), at SD after 2 months of lorlatinib therapy (f) and at PD after 9 months of lorlatinib therapy (g)

Figure 1. Clinical, molecular, and radiological summary of our patient. (a). An illustrated summary of the treatment regimen received by the patient including best response and progression-free survival in each line of treatment. Hematoxylin-eosin staining illustrating the diagnosis of adenocarcinoma (magnification 400X). Chest computed tomography (CT) scans of the patient from baseline (b), at evaluation of partial response (PR) within 2 months of crizotinib therapy (c), at PD after 11 months of crizotinib therapy (d), at PD after 12 months of brigatinib therapy (e), at SD after 2 months of lorlatinib therapy (f) and at PD after 9 months of lorlatinib therapy (g)

Figure 2. Illustration of the novel ALK G1202L mutation detected from the patient at PD from brigatinib therapy. ALK G1202L is a missense mutations resulting from dinucleotide substitution in the exon 23 of the ALK gene (NM_004304.4:c.3604_3605delGGinsCT p.Gly1202Leu). Green column represents reads with c.3605 G > T, while orange column represents reads with c.3604 G > C. Each gray row represents the sequencing read from a DNA fragment. Bottom bar shows the protein sequence annotation of ALK

Figure 2. Illustration of the novel ALK G1202L mutation detected from the patient at PD from brigatinib therapy. ALK G1202L is a missense mutations resulting from dinucleotide substitution in the exon 23 of the ALK gene (NM_004304.4:c.3604_3605delGGinsCT p.Gly1202Leu). Green column represents reads with c.3605 G > T, while orange column represents reads with c.3604 G > C. Each gray row represents the sequencing read from a DNA fragment. Bottom bar shows the protein sequence annotation of ALK

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