Lymphomatous Meningitis From Anaplastic Lymphoma Kinase+ Anaplastic Large T-Cell Lymphoma Treated With Lorlatinib: A Case Report.
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SUBMITTER: Mellacheruvu S
PROVIDER: S-EPMC8865515 | biostudies-literature | 2022 Feb
REPOSITORIES: biostudies-literature
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Lymphomatous Meningitis From Anaplastic Lymphoma Kinase+ Anaplastic Large T-Cell Lymphoma Treated With Lorlatinib: A Case Report.
Mellacheruvu Smitha S Sayegh Mark N MN Sica R Alejandro RA Cheng Haiying H Santos-Zabala Maria Laureana ML Gebrael Jacob H JH Hermanto Ulrich U Rosen Norman L NL
JCO precision oncology 20220201
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Project description:BACKGROUND:Anaplastic large cell lymphoma (ALCL) is a type of T-cell lymphoma that can be divided into two categories: anaplastic lymphoma kinase-positive (ALK+) and ALK-negative. Gastrointestinal ALK+ ALCL is rare. Multiple lymphomatous polyposis (MLP) is thought to be a representative form of gastrointestinal lesion in mantle cell lymphoma, and T-cell lymphomas seldom show this feature. Here, we report the first known case of ALK+ ALCL with gastroduodenal involvement to present with MLP. CASE SUMMARY:The patient was a 43-year-old man who was complained of a mass in the left inguinal area and was performed open biopsy. ALK+ ALCL was diagnosed pathologically. Computed tomography scan demonstrated multiple lymph node lesions in the abdomen - pelvis/inguinal region, and scattered nodular lesions in both lung fields. He did not complain of gastrointestinal symptoms. While, esophagogastroduodenoscopy identified MLP lesions from the antrum of the stomach to the descending portion of the duodenum and mild thickened folds on the corpus of the stomach, and biopsy showed invasion of ALK+ ALCL. We treated this patient with six cycles of CHOEP (Cyclophosphamide, Doxorubicin, Vincristine, Etoposide, and Prednisone) chemotherapy. At the conclusion of treatment, there was complete remission. Numerous white scars were found on the stomach, endoscopically consistent with a remission image of lymphoma. The endoscopic features of this case were thought to be similar to those of MCL. CONCLUSION:The macroscopic/endoscopic features of gastrointestinal ALK+ ALCL may be more similar to those of B-cell lymphomas rather than T-cell lymphomas.
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Project description:BackgroundLymphomas originating in bone but not involving visceral or regional lymph nodes are diagnosed as primary bone lymphoma (PBL). Few case reports of anaplastic large-cell lymphoma (ALCL) originating in bone have been reported. The purpose of this report is to describe the difficulty in diagnosing and complete treatment process of this rare type of bone lymphoma.Case descriptionWe describe a case of anaplastic lymphoma kinase positive (ALK+) ALCL patient with primary multiple bone lesions. The patient was initially in the local hospital due to lumbosacral pain and was diagnosed with multiple myeloma. However, after receiving two cycles of bortezomib, lenalidomide and dexamethasone (VRD) chemotherapy, the patient's pain increased. After discussion with the patient and his family, the patient finally agreed to accept the biopsy of the T10 and L2 vertebral bodies and diagnosed as ALK+ ALCL stage IV with primary bone involvement. After receiving multiple cycles of chemotherapy, local bone radiotherapy and denosumab treatment, the patient's bone pain and osteolytic lesions were improved. Regular follow-up shows that the patient's bone pain has been controlled and he is generally in good condition.ConclusionsALK+ ALCL originating primarily in the bone may be easily misdiagnosed and hence require appropriate evaluation in the upfront setting. In consideration of the lack of relevant experience due to the rarity of the disease, choosing a suitable treatment regimen requires comprehensive consideration. In the next clinical work, we must observe relevant cases to summarize the treatment experience better.
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Project description:IntroductionAnaplastic large cell lymphomas (ALCL) are a subtype of non-Hodgkin lymphoma categorized into systemic and cutaneous (cALCL) subtypes. cALCL are frequently characterized by their lack of ALK receptor expression, which differentiates them from their systemic counterparts. cALCLs present as solitary or grouped skin lesions. Due to their rarity, cALCLs are frequently misdiagnosed as other skin conditions.Case presentationWe report the case of a female with a 30-year history of expanding skin lesions on the upper and lower limbs, abdomen, and back. During her initial presentation, the lesions were thought to be due to an arthropod bite. However, lesion biopsy revealed ALK-negative cALCL and methicillin-resistant Staphylococcus aureus. A full workup excluded systemic ALCL and, therefore, confirmed the diagnosis of primary cALCL. The patient was placed on methotrexate to treat the lesions and sulfamethoxazole/trimethoprim to treat the infection.ConclusionOur case highlights the need to consider cALCL in the differential diagnosis of patients with persistent skin lesions.
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Project description:IntroductionPatients with anaplastic lymphoma kinase (ALK)-rearranged non-small cell lung cancer (NSCLC) are at increased risk of central nervous system (CNS) metastasis at initial diagnosis and throughout treatment. In a phase 3 trial, lorlatinib, a third-generation ALK tyrosine kinase inhibitor, significantly improved progression-free survival. In further analysis, lorlatinib revealed superior intracranial efficacy and prolonged time to intracranial progression compared with crizotinib.Case presentationHerein, we report a case of ALK-positive NSCLC with leptomeningeal metastasis that was successfully treated with lorlatinib after progression to brigatinib and alectinib. This case demonstrates the potential of lorlatinib in managing leptomeningeal metastasis in ALK-positive NSCLC.ConclusionThe case suggests a paradigm shift in therapeutic approaches for CNS metastasis, including brain and leptomeningeal metastases.
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Project description:Lorlatinib is a potent, brain-penetrant, third-generation anaplastic lymphoma kinase (ALK)/ROS proto-oncogene 1 (ROS1) tyrosine kinase inhibitor (TKI) that is active against most known resistance mutations. This is an ongoing phase 1/2, multinational study (NCT01970865) investigating the efficacy, safety and pharmacokinetics of lorlatinib in ALK-rearranged/ROS1-rearranged advanced non-small cell lung cancer (NSCLC) with or without intracranial (IC) metastases. Because patterns of ALK TKI use in Japan differ from other regions, we present a subgroup analysis of Japanese patients. Patients were enrolled into six expansion (EXP) cohorts based on ALK/ROS1 mutation status and treatment history. The primary endpoint was the objective response rate (ORR) and the IC-ORR based on independent central review. Secondary endpoints included pharmacokinetic evaluations. At data cutoff, 39 ALK-rearranged/ROS1-rearranged Japanese patients were enrolled across the six expansion cohorts; all received lorlatinib 100 mg once daily. Thirty-one ALK-rearranged patients previously treated with ≥1 ALK TKI (EXP2 to EXP5) were evaluable for ORR and 15 were evaluable for IC-ORR. The ORR and the IC-ORR for Japanese patients in EXP2-5 were 54.8% (95% confidence interval [CI]: 36.0-72.7) and 46.7% (95% CI: 21.3-73.4), respectively. Among patients who had received prior alectinib only (EXP3B), the ORR was 42.9%; 95% CI: 9.9-81.6). The most common treatment-related adverse event (TRAE) was hypercholesterolemia (79.5%). Hypertriglyceridemia was the most common grade 3/4 TRAE (25.6%). Single-dose and multiple-dose pharmacokinetic profiles among Japanese patients were similar to those in non-Japanese patients. Lorlatinib showed clinically meaningful responses and IC responses among ALK-rearranged Japanese patients with NSCLC who received ≥1 prior ALK TKI, including meaningful responses among those receiving prior alectinib only. Lorlatinib was generally well tolerated.
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Project description:EBV-positive nodal T- and NK-cell lymphoma (EBV+ NT/NKCL) is a recently recognized entity in the 5th edition of the WHO Classification of Tumors of Hematopoietic and Lymphoid Tissues. Notably, CD30 positivity is frequently observed in (EBV+ NT/NKCL), creating diagnostic challenges to distinguish it from ALK-negative anaplastic large cell lymphoma (ALCL). Furthermore, cases of EBV+ ALCL have been documented in the literature, predating the inclusion of EBV+ nodal cytotoxic T-cell lymphoma as a variant of peripheral T-cell lymphoma. We present a case of a 47-year-old male presenting with multiple lymphadenopathies. The histomorphologic and immunophenotypic features of the lymph node closely resemble ALK-negative ALCL, characterized by uniform CD30 expression and a subcapsular distribution of lymphoma cells. However, the lymphoma cells exhibit diffuse positivity for EBV, consistent with EBV+ NT/NKCL. A case of ALK-negative ALCL with an immunophenotype identical to the EBV-positive case is included for comparison. Given that EBV+ NT/NKCL represents an aggressive neoplasm requiring unique clinical management compared to ALK-negative ALCL, it is critical to accurately differentiate EBV+ NT/NKCL from ALK-negative ALCL with a cytotoxic T-cell immunophenotype.
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Project description:Anaplastic lymphoma kinase-(ALK-) positive large B-cell lymphoma (ALK+ LBCL) is a rare, aggressive tumor characterized by an immunoblastic or plasmablastic morphologic appearance, expression of ALK, CD138, CD45, EMA, and often IgA by immunohistochemistry, and characteristic chromosomal translocations or rearrangements involving the ALK locus. The morphologic and immunophenotypic overlap of this tumor with other hematologic and nonhematologic malignancies may result in misdiagnosis. The tumor has been identified in both pediatric and adult populations and demonstrates a male predominance. Presentation is most often nodal, particularly cervical. No association with immunocompromise or geographic location has been recognized. The most common gene rearrangement is between clathrin and ALK (t(2;17)(p23;q23)), resulting in the CLTC-ALK chimeric protein, although other fusions have been described. Response to conventional chemotherapy is poor. The recent introduction of the small molecule ALK inhibitor, crizotinib, may provide a potential new therapeutic option for patients with this disease.
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Project description:Patients with anaplastic lymphoma kinase-positive anaplastic large cell lymphoma often present with B-symptoms or hemophagocytosis and generate an anti-tumor immune response. Specific serum cytokine levels or profiles may reflect the tumor burden, non-specific immune stimulation by the tumor or differences in the strength of the patients' anti-lymphoma immunity. We systematically correlated pretreatment concentrations of 25 cytokines with clinical and biological characteristics in a well-characterized cohort of 119 uniformly treated pediatric patients with anaplastic large cell lymphoma. Fifteen patients with anaplastic large cell lymphoma in remission and 11 patients with low-stage B-cell lymphoma served as controls. Concentrations of interleukin-9, interleukin-10, interleukin-17a, hepatocyte growth factor, soluble interleukin-2 receptor, and soluble CD30 were significantly higher in initial sera of patients than in the sera of subjects from both control groups, indicating an anaplastic large cell lymphoma-type cytokine signature. The levels of interleukin-6, interferon-γ, interferon γ-induced protein, and soluble interleukin-2 receptor correlated with the stage, initial general condition, minimal disseminated disease, anaplastic lymphoma kinase-antibody titers, and the risk of relapse among patients with anaplastic lymphoma kinase-positive anaplastic large cell lymphoma. Only interleukin-6 showed an independent prognostic value in multivariate analyses. Pretreatment cytokine profiles in patients with anaplastic large cell lymphoma reflect a tumor signature as well as tumor burden and also differences in the strength of the patients' immune response.
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Project description:BackgroundMore than 80% of anaplastic lymphoma kinase (ALK)-positive anaplastic large cell lymphoma (ALCL) patients harbor the (nucleophosmin) NPM1-ALK fusion gene t(2;5) chromosomal translocation. We evaluated the preclinical and clinical efficacy of ceritinib treatment of this aggressive lymphoma.Materials and methodsWe studied the effects of ceritinib treatment in NPM1-ALK+ T-cell lymphoma cell lines in vitro and on tumor size and survival advantage in vivo utilizing tumor xenografts. We treated an NPM1-ALK+ ALCL patient with ceritinib. We reviewed all hematologic malignancies profiled by a large hybrid-capture next-generation sequencing (NGS)-based comprehensive genomic profiling assay for ALK alterations.ResultsIn our in vitro experiments, ceritinib inhibited constitutive activation of the fusion kinase NPM1-ALK and downstream effector molecules STAT3, AKT, and ERK1/2, and induced apoptosis of these lymphoma cell lines. Cell cycle analysis following ceritinib treatment showed G0/G1 arrest with a concomitant decrease in the percentage of cells in S and G2/M phases. Further, treatment with ceritinib in the NPM1-ALK+ ALCL xenograft model resulted in tumor regression and improved survival. Of 19 272 patients with hematopoietic diseases sequenced, 58 patients (0.30%) harbored ALK fusions that include histiocytic disorders, multiple myeloma, B-cell neoplasms, Castleman's disease, and juvenile xanthogranuloma. A multiple relapsed NPM1-ALK+ ALCL patient treated with ceritinib achieved complete remission with ongoing clinical benefit to date, 5 years after initiation of therapy.ConclusionsThis ceritinib translational study in NPM1-ALK+ ALCL provides a strong rationale for a prospective study of ceritinib in ALK+ T-cell lymphomas and other ALK+ hematologic malignancies.
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