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Human Immunodeficiency Virus Is Associated With Poor Overall Survival Among Patients With Head and Neck Cancer
Abstract Background Head and neck squamous cell cancer (HNSCC) occurs at higher rates among persons with HIV (PWH). This study compares the impact of sociodemographic and clinicopathologic characteristics on outcomes among PWH-HNSCC compared with HNSCC patients without HIV. Methods Patient data from...
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Published in: | Clinical infectious diseases 2023-04, Vol.76 (8), p.1449-1458 |
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Main Authors: | , , , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
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Online Access: | Get full text |
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Summary: | Abstract
Background
Head and neck squamous cell cancer (HNSCC) occurs at higher rates among persons with HIV (PWH). This study compares the impact of sociodemographic and clinicopathologic characteristics on outcomes among PWH-HNSCC compared with HNSCC patients without HIV.
Methods
Patient data from HNSCC individuals were collected at a single academic hospital center between 2002 and 2018. Forty-eight patients with HIV (HIV-HNSCC) and 2894 HNSCC patients without HIV were included. Multivariate analysis determined predictors of survival using Cox proportional hazards regression model. HIV-positive and -negative tumors were analyzed by quantitative immunofluorescence for expression of CD4, CD8, CD20 and PD-L1.
Results
HIV-HNSCC patients had a lower median overall survival than HNSCC patients without HIV (34 [18–84] vs 94 [86–103] months; P < .001). In multivariate analysis that included age, sex, race/ethnicity, stage, site, tobacco use, time to treatment initiation, and insurance status, HIV was an independent predictor of poorer survival, with a hazard ratio of 1.98 (95% CI: 1.32–2.97; P < .001). PWH with human papillomavirus (HPV)–positive oropharyngeal tumors also had worse prognosis than HPV-positive oropharyngeal tumors in the population without HIV (P < .001). The tumor microenvironment among HIV-HNSCC patients revealed lower intratumoral CD8 infiltration among HIV+ HPV+ tumors compared with HIV– HPV+ tumors (P = .04).
Conclusions
HIV-HNSCC patients had worse prognosis than the non-HIV population, with HIV being an independent predictor of poor clinical outcomes when accounting for important sociodemographic and clinicopathologic factors. Our findings highlight differences in tumor biology that require further detailed characterization in large cohorts and increased inclusion of PWH in immunotherapy trials.
HIV remains a powerful predictor of poor outcomes among head and neck squamous cell cancer patients in multivariate analysis that accounts for important clinicopathologic, sociodemographic and lifestyle factors. Differences in tumor biology among persons with HIV may hinder response to immunotherapy. |
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ISSN: | 1058-4838 1537-6591 |
DOI: | 10.1093/cid/ciac924 |