ReviewOptimal management of immune-related toxicities associated with checkpoint inhibitors in lung cancer
Section snippets
Background
Cytotoxic chemotherapy and targeted therapies have improved outcomes for lung cancer patients. Survival in early stage non-small cell lung cancer (NSCLC) is improved with adjuvant chemotherapy and, when combined with radiotherapy, improves survival in stage III inoperable NSCLC and small cell lung cancer (SCLC) [1], [2]. In the palliative setting chemotherapy can provide symptom relief and survival benefit [1], [3]. Targeted therapies against the epidermal growth factor receptor (EGFR) have
Immune related toxicity
The spectrum and mechanism of toxicity related to immune checkpoint inhibition is autoimmune in nature and distinct to that of other cancer therapies [14]. The incidence of ipilimumab and PD-1 inhibitor toxicity by organ system are outlined in Table 1 [7], [15].
A pooled analysis of ipilimumab studies demonstrated that approximately two-thirds of patients experienced an immune related adverse event (irAE) with the majority being grade 1 and 2 [16]. Most commonly reported irAEs were
Managing immune related adverse events
A critical first step in managing irAEs is awareness of this class of toxic effect and requires education of the multi-disciplinary team. Patient education about potential side effects and appropriate steps to take is also critically important to ensure early recognition and treatment of irAEs. There is evidence that early intervention reduces both the maximum severity and duration of irAEs [23].
The severity of toxicity should be graded using the Common Terminology Criteria for Adverse Events
Colitis
The impact on the gastrointestinal system reported with the use of immunotherapy has been associated with death due to bowel perforation. In phase 3 studies of ipilimumab in metastatic melanoma, total rates of diarrhoea were 27.5% (3 mg/kg) and 32.8% (10 mg/kg) and rates of colitis 7.6% and 4.5% respectively [17], [18]. Typically diarrhoea tends to commence around 6–7 weeks following commencement of treatment [19]. Bloody diarrhoea may be an indication of more severe colitis but is uncommon.
At
Discussion
Although the spectrum of irAEs varies between agents, experience so far suggests a class effect of these drugs that can be managed in the main with a common approach. For lower grades of toxicity, management involves increased monitoring and supportive treatment; immunotherapy does not usually have to be interrupted. For higher grade toxicity, treatment should be interrupted and high dose corticosteroids commenced. If admitted under the care of a non-oncology team, the opinion of the treating
Conflict of interest statement
Howell, Lee and Fusi declared no conflicts of interest. Bowyer declared honorarium from GaxoSmithKline. Lorigan declared personal fees from Bristol-Myers Squibb (BMS), Merck Sharp & Dohme (Merck), Glaxo Smith Kline (GSK), Roche, Novartis, Amgen, Celgene outside the submitted work.
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Colitis following the use of immune checkpoint inhibitors: A real-world analysis of spontaneous reports submitted to the FDA adverse event reporting system
2020, International ImmunopharmacologyCitation Excerpt :The ranges of time to onset after ICI therapy are quite broad but generally occurs within weeks to a couple of months after the initiation of therapy, though infrequently can occur even up to a year after the therapy has been discontinued [14]. Immune-mediated colitis and diarrhea typically occur 5–10 weeks after the second or third dose, but they have also been documented to occur as late as 4 months after the last dose and may even recur one to two years after discontinuation of treatment [13,45,46]. The median time of colitis onset following the last dose of ipilimumab was 11 days, ranged from 0 to 59 days [11,33].
Imaging manifestations of immune-related adverse effects in checkpoint inhibitor therapies: A primer for the radiologist
2020, Clinical ImagingCitation Excerpt :It is important to raise awareness of these cardiac irAE, as the need to initiate steroid therapy and/or halt immunotherapy may prevent progression of cardiac manifestations and further deterioration in the patient's condition. Pulmonary involvement occurs most frequently in the form of pneumonitis, with an incidence of ~9% [80–83]. Decreased lung reserve, preexisting lung disease and radiation therapy may also increase risk of pulmonary irAEs [80,82].
Peritumoural ground-glass opacity associated with tumour pseudoprogression in a patient with non-small cell lung cancer treated with nivolumab
2017, ESMO OpenCitation Excerpt :Recent meta-analyses showed that incidence of anti-PD-1 inhibitor-related pneumonitis in patients with NSCLC was 3.8%–4.1% for all-grade and 1.8% for grade 3 or higher.8 9 Several studies have described distinct clinical and radiographic manifestations of pneumonitis related to anti-PD-1/programmed death ligand 1 (PD-L1) therapy in patients with advanced cancers, including lymphoma, melanoma and NSCLC.7 10–14 In these studies, median time from therapy initiation to pneumonitis was reported to be 2.2–2.8 months.7 11 12
Radiological assessment of immunotherapy effects and immune checkpoint-related pneumonitis for lung cancer
2024, Journal of Cellular and Molecular MedicineChinese expert consensus on immunotherapy for advanced non-small lung cancer with oncogenic driver mutations (2023 edition)
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