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Revisiting the association between skin toxicity and better response in advanced cancer patients treated with immune checkpoint inhibitors.

ABSTRACT: BACKGROUND:Immune checkpoint inhibition (ICI) improves survival outcomes for patients with several types of cancer including metastatic melanoma (MM), but serious immune-related adverse events requiring intervention with immunosuppressive medications occur in a subset of patients. Skin toxicity (ST) has been reported to be associated with better response to ICI. However, understudied factors, such as ST severity and potential survivor bias, may influence the strength of these observed associations. METHODS:To examine the potential confounding impact of such variables, we analyzed advanced cancer patients enrolled prospectively in a clinicopathological database with protocol-driven follow up and treated with ICI. We tested the associations between developing ST, stratified as no (n?=?617), mild (n?=?191), and severe (n?=?63), and progression-free survival (PFS) and overall survival (OS) in univariable and multivariable analyses. We defined severe ST as a skin event that required treatment with systemic corticosteroids. To account for the possibility of longer survival associating with adverse events instead of the reverse, we treated ST as a time-dependent covariate in an adjusted model. RESULTS:Both mild and severe ST were significantly associated with improved PFS and OS (all P?

SUBMITTER: Gulati N

PROVIDER: S-EPMC7659132 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Revisiting the association between skin toxicity and better response in advanced cancer patients treated with immune checkpoint inhibitors.

Gulati Nicholas N Donnelly Douglas D Qian Yingzhi Y Moran Una U Johannet Paul P Zhong Judy J Osman Iman I

Journal of translational medicine 20201111 1

<h4>Background</h4>Immune checkpoint inhibition (ICI) improves survival outcomes for patients with several types of cancer including metastatic melanoma (MM), but serious immune-related adverse events requiring intervention with immunosuppressive medications occur in a subset of patients. Skin toxicity (ST) has been reported to be associated with better response to ICI. However, understudied factors, such as ST severity and potential survivor bias, may influence the strength of these observed as ...[more]

PMID: 33176813

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Project description:BackgroundReal-world data enables evaluation of immune checkpoint inhibitor (ICI) use in advanced melanoma management. We examined characteristics and outcomes of ICI-treated patients with advanced melanoma and organ dysfunction (baseline and emergent).Materials and methodsThis retrospective observational study used electronic health records derived from a nationwide data set to examine advanced melanoma patients treated with first-line ICIs (2011-2018). Clinical characteristics, real-world time to treatment discontinuation (rwTTD), and overall survival (OS) were analyzed for patients with normal organ function and those with organ dysfunction prior to ICI initiation. Patients with emergent dysfunction in the 90 days following ICI initiation were identified, and potentially associated characteristics were explored.ResultsOf 2,407 patients included, 1,884 and 1,717 had evaluable renal and hepatic laboratory values, respectively. Patients with baseline renal dysfunction (2.4%) were older and more frequently male, and less frequently treated with ICI combinations, than patients with normal renal function. Patients with baseline hepatic dysfunction (2.8%) were similar to patients with normal hepatic function regarding demographics and treatments received. Patients with baseline organ dysfunction displayed shorter rwTTD and OS. Among patients with normal baseline organ function, 4.6% and 7.4% developed renal and hepatic dysfunction within 90 days of ICI initiation, respectively; this was associated with combination ICI treatment.ConclusionPatients with advanced melanoma and baseline organ dysfunction frequently receive ICI treatment but have poorer clinical outcomes than patients with normal organ function. Among patients with normal renal and hepatic function at ICI initiation, emergent organ dysfunction rates in this real-world cohort are similar to those reported in clinical trials.Implications for practiceReal-world data provide an opportunity to understand treatment patterns, toxicity, and clinical outcomes among patients treated outside of clinical trials. This study confirms that patients with advanced melanoma and baseline renal or hepatic dysfunction are being treated with ICI therapy more frequently as monotherapy than in combination therapy. For those real-world patients with normal baseline organ function, emergent renal and hepatic dysfunction are both more common in patients treated with combination versus ICI monotherapy.

Project description:BackgroundSeveral studies have reported an association between the occurrence of immune-related adverse events (irAEs) and prognosis in patients with melanoma treated with immune checkpoint inhibitors (ICIs), but the results remain controversial. We conducted a systematic review and meta-analysis to investigate the association between irAEs and survival in patients with melanoma treated with ICIs.MethodsWe searched the PubMed, Web of Science, and China National Knowledge Infrastructure databases through May 5, 2022 for clinical studies evaluating the association between irAEs and in melanoma patients treated with ICIs. Combined hazard ratios (HRs) for overall survival (OS) and progression-free survival (PFS) were calculated using fixed- or random-effects models based on heterogeneity.ResultsA total of 60 articles were included, with 16,520 patients. In patients with melanoma treated with ICIs, the occurrence of irAEs was significantly associated with better OS (HR, 0.58; 95% confidence interval [CI], 0.51-0.66; P<0.00001) and PFS (HR, 0.61; 95%CI, 0.51-0.72; P<0.00001). Endocrine irAEs (OS, HR, 0.81; 95%CI, 0.72-0.92; P=0.001; PFS: HR, 0.84; 95%CI, 0.73-0.96, P=0.009), skin irAEs (OS, HR, 0.59; 95%CI, 0.41-0.85; P=0.004; PFS: HR, 0.43; 95%CI, 0.36-0.52; P<0.00001), vitiligo (OS, HR, 0.22; 95%CI, 0.15-0.31; P<0.00001; PFS, HR, 0.33; 95%CI, 0.25-0.44; P<0.00001), and grade 1-2 irAEs (OS, HR, 0.67; 95%CI, 0.58-0.78; P<0.00001; PFS, HR, 0.62; 95%CI, 0.51-0.76; P<0.00001) showed similar results. However, thyroid, lung, gastrointestinal, liver, and grade 3-4 irAEs were not significantly associated with OS and PFS. The occurrence of non-thyroid endocrine irAEs was significantly associated with better OS (HR, 0.22; 95%CI, 0.15-0.31; P<0.00001). In patients with melanoma treated with anti-programmed cell death protein 1 (OS, HR, 0.61; 95%CI, 0.51-0.72; P<0.00001; PFS, HR, 0.59; 95%CI, 0.47-0.74; P<0.00001), the association between irAEs and clinical benefit was clearer than in patients treated with anti-cytotoxic T-lymphocyte-associated protein 4 (OS, HR, 0.68; 95%CI, 0.52-0.89; P=0.005; PFS, HR, 0.93; 95%CI, 0.49-1.78; P=0.83).ConclusionAmong patients with melanoma treated with ICIs, those who developed non-thyroid endocrine irAEs and cutaneous irAEs have better prognosis. This suggests that non-thyroid endocrine irAEs and cutaneous irAEs may be a prognostic biomarker for patients with melanoma treated with ICIs.Systematic review registrationhttps://www.crd.york.ac.uk/PROSPERO/, identifier CRD42022338308.

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Revisiting the association between skin toxicity and better response in advanced cancer patients treated with immune checkpoint inhibitors.

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Revisiting the association between skin toxicity and better response in advanced cancer patients treated with immune checkpoint inhibitors.

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