Purpose Given that 40%-50% of primary central nervous system lymphoma (PCNSL) tissues exhibit aberrancy on 9p24.1, immune checkpoint inhibitors (ICI) may work for the disease.
Materials and Methods To define the role of ICIs in PCNSL, we carried out a nationwide retrospect analysis for 22 patients who had been treated with nivolumab monotherapy for relapsed or refractory PCNSL.
Results The median age at diagnosis was 66, and male: female ratio was 1:1. Patients received nivolumab after a median of 3 lines (range, 2 to 6) of therapy and at the median age of 67 years (range, 37 to 82 years). Eleven patients (50%) were refractory to the last treatment prior to nivolumab. With a median follow-up duration of 22.3 months (95% confidence interval [CI], 13.1 to 31.5), nine patients (41%) had an objective response (6 complete responses, 3 partial responses), and the median duration of response was 20.9 months (95% CI, 1.7 to 40.0). The median progression-free survival and overall survival were 2.1 months (95% CI, 0.2 to 4.0) and 18.9 months (95% CI, 5.0 to 32.8), respectively. Nivolumab was generally well-tolerated as no patients required dose reduction and only two patients required delay of treatment.
Conclusion Our study suggests that nivolumab can be a reasonable option with the durable response for RR PCNSL.
Purpose
Immune checkpoint inhibitors (ICI) and targeted small-molecule drugs are mainstay elements of lung cancer chemotherapy. However, they are associated with development of pneumonitis, a rare, but potentially life-threatening event. We analyzed lung cancer patients treated with ICI to evaluate the effect of sequential therapeutic administration on the incidence of pneumonitis.
Materials and Methods
In this retrospective study, 242 patients were included. Serial radiologic findings taken during and immediately after ICI treatment were reviewed. Factors that increased pneumonitis and the relationship between peri-ICI chemotherapy and the development of pneumonitis were evaluated.
Results
Pneumonitis developed in 23 patients (9.5%); severe pneumonitis (grade ≥ 3) occurred in 13 of 23 patients (56%); pneumonitis-related death occurred in six. High-dose thoracic radiation (≥ 6,000 cGy) revealed a tendency toward high risk of pneumonitis (odds ratio, 2.642; 95% confidence interval, 0.932 to 7.490; p=0.068). Among 149 patients followed for ≥ 8 weeks after the final ICI dose, more patients who received targeted agents within 8-weeks post-ICI experienced pneumonitis (3/16, 18.8%) compared with patients who received cytotoxic agents (4/54, 7.4%) or no chemotherapy (4/79, 5.1%) (p=0.162). Targeted therapy was associated with earlier-onset pneumonitis than treatment with cytotoxic agents (35 vs. 62 days post-ICI, p=0.007); the resulting pneumonitis was more severe (grade ≥ 3, 100% vs. 0%, p=0.031).
Conclusion
Sequential administration of small-molecule targeted agents immediately after ICI may increase the risk of severe pneumonitis. The sequence of chemotherapy regimens that include ICI and targeted agents should be carefully planned to reduce the risk of pneumonitis in lung cancer patients.
Citations
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Toxicities associated with sequential or combined use of immune checkpoint inhibitors and small targeted therapies in non-small cell lung cancer: A critical review of the literature Anne-Laure Désage, Michael Duruisseaux, Claire Lafitte, Sophie Bayle-Bleuez, Christos Chouaid, Pierre Fournel, Thomas Pierret Cancer Treatment Reviews.2024; 129: 102805. CrossRef
Deep learning for predicting the risk of immune checkpoint inhibitor-related pneumonitis in lung cancer M. Cheng, R. Lin, N. Bai, Y. Zhang, H. Wang, M. Guo, X. Duan, J. Zheng, Z. Qiu, Y. Zhao Clinical Radiology.2023; 78(5): e377. CrossRef
Evaluating Pneumonitis Incidence in Patients with Non–small Cell Lung Cancer Treated with Immunotherapy and/or Chemotherapy Using Real-world and Clinical Trial Data Qi Liu, Chenan Zhang, Yue Huang, Ruihao Huang, Shiew-Mei Huang, Erin Larkins, Liza Stapleford, Donna R. Rivera, Paul G. Kluetz, Shenggang Wang, Hao Zhu, James Weese, Elizabeth Cromartie, Mahder Teka, Sheetal Walters, Frank Wolf, Thomas D. Brown Cancer Research Communications.2023; 3(2): 258. CrossRef
Pulmonary toxicity in driver gene positive non-small cell lung cancer therapy Yi-Pu Zhao, Yong Long Current Medical Research and Opinion.2022; 38(8): 1369. CrossRef
Immune checkpoint inhibitor-related pneumonitis in non-small cell lung cancer: A review Yuxuan Hao, Xiaoye Zhang, Li Yu Frontiers in Oncology.2022;[Epub] CrossRef
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Sequential or combined immune checkpoint inhibitors and targeted therapy: Navigating uncharted waters K. El Husseini, M. Wislez Respiratory Medicine and Research.2021; 79: 100820. CrossRef
Deep learning model enables the discovery of a novel immunotherapeutic agent regulating the kynurenine pathway Jeong Hun Kim, Won Suk Lee, Hye Jin Lee, Hannah Yang, Seung Joon Lee, So Jung Kong, Soyeon Je, Hyun-Jin Yang, Jongsun Jung, Jaekyung Cheon, Beodeul Kang, Hong Jae Chon, Chan Kim OncoImmunology.2021;[Epub] CrossRef
Jongheon Jung, Kihyun Kim, Sung-Hoon Jung, Sung-Soo Yoon, Jae Hoon Lee, Jin Seok Kim, Ho-Jin Shin, Soo-Mee Bang, Sang Kyun Sohn, Cheolwon Suh, Dok Hyun Yoon, Sun-Young Kong, Chang-Ki Min, Hyeon-Seok Eom, The Korean Multiple Myeloma Working Party
Purpose A three-drug combination of cyclophosphamide, bortezomib, and dexamethasone (CVD) shows significant efficacy and manageable toxicity as induction therapy in patients with multiple myeloma.
Materials and Methods In this phase II study, we enrolled 45 patients who achieved a very good partial response (VGPR) or partial response (PR) after autologous stem cell transplantation (ASCT) and evaluated the efficacy and toxicity of CVD consolidation. CVD consolidation comprised three cycles of cyclophosphamide 300 mg/m2 orally on days 1, 8, and 15, and bortezomib 1.3 mg/m2 subcutaneously on days 1, 8, 15, and 22, along with dexamethasone 20 mg orally or intravenously on days 1 and 2, 8 and 9, 15 and 16, and 22 and 23.
Results At enrollment, 39 patients (86.7%) showed VGPR, and nine (13.3%) presented with PR. Nineteen patients (45.2%) achieved a complete response or better as their best response after the end of consolidation. Overall, 22 of 42 patients (52.4%) experienced an improved response status with CVD consolidation. Three-year overall survival and progression-free survival rates were 89.0% and 42.7%, respectively. The most common non-hematologic toxicities were peripheral neuropathy and infection (20.5%), with no grade ≥ 3 neuropathy observed.
Conclusion These results showed that CVD consolidation therapy improved the response with reasonable toxicity in patients with residual disease after ASCT. This trial was registered with the Clinical Research Information Service, Republic of Korea (KCT0001327).
Citations
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Is There Still a Role for Stem Cell Transplantation in Multiple Myeloma? Morie A. Gertz Hematology/Oncology Clinics of North America.2024; 38(2): 407. CrossRef
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