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Arron ST, Cañueto J, Siegel J, Fitzgerald A, Prasai A, Koyfman SA, Yom SS. Association of a 40-Gene Expression Profile With Risk of Metastatic Disease Progression of Cutaneous Squamous Cell Carcinoma (cSCC) and Specification of Benefit of Adjuvant Radiation Therapy. Int J Radiat Oncol Biol Phys 2024:S0360-3016(24)00685-0. [PMID: 38810706 DOI: 10.1016/j.ijrobp.2024.05.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 04/20/2024] [Accepted: 05/21/2024] [Indexed: 05/31/2024]
Abstract
PURPOSE Adjuvant radiation therapy (ART) for cutaneous squamous cell carcinoma (cSCC) is recommended based on a number of wide-ranging clinicopathologic features, which encompass a broad array of patients. The 40-gene expression profile (40-GEP) test classifies cSCC tumors into low (Class 1) or higher (Class 2A) or highest (Class 2B) risk of nodal and/or distant metastasis. This study's hypotheses are 1) local recurrence is associated with metastatic disease progression, and 2) 40-GEP, by identifying high risk for metastasis, could predict a metastasis-specific benefit from ART. METHODS Samples were obtained from 920 patients (ART-untreated: 496 Class 1, 335 Class 2A, 33 Class 2B; ART-treated: 11 Class 1, 35 Class 2A, 10 Class 2B) who were matched on clinical risk factors and stratified by ART status, to create 49 matched patient strata. To control for the variety of characteristics and treatment selection bias, randomly sampled pairs of matched ART and non-ART patients comprising 10,000 resampled cohorts were each analyzed for 5-year metastasis-free survival and predicted time to metastatic event. RESULTS Of 96 patients experiencing local recurrence, 56.3% experienced metastasis; of those experiencing both, 88.9% had local recurrence before (75.9%) or concurrently (13.0%) with metastasis. After matching for clinicopathological risk, median 5-year disease progression rates for resampled cohorts demonstrated approximately 50% improvement for Class 2B ART-treated as compared to ART-untreated cohorts. Class 2B ART-treated cohorts had a 5-fold delay in predicted time to metastatic event and deceleration of disease progression as compared to ART-untreated cohorts (Kolmogorov-Smirnov test, p<0.01); this was not observed for Class 1 or 2A patients (p>0.05 for each). No risk factor or staging system combined with ART status identified groups that would benefit from ART as well as 40-GEP. CONCLUSION 40-GEP identifies patients at highest risk of nodal/distant metastasis who may derive greatest benefit from ART, as well as patients who may have clinical indications for ART but are at low risk of metastasis. Compared to current guidelines, 40-GEP could provide greater specificity concerning the benefit of ART in individual patients.
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Affiliation(s)
| | - Javier Cañueto
- Department of Dermatology, Universitario de Salamanca, Salamanca, Spain
| | | | | | | | - Shlomo A Koyfman
- Department of Radiation Oncology, Taussig Cancer Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Sue S Yom
- Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, USA.
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Chen CI, Jalbert JJ, Wu N, Ruiz ES. Patterns of major cutaneous surgeries and reconstructions in patients with cutaneous squamous cell carcinoma in the USA. Future Oncol 2024; 20:691-701. [PMID: 37994593 DOI: 10.2217/fon-2023-0389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2023] Open
Abstract
Aim: Since use of major cutaneous surgeries/reconstructions among patients with cutaneous squamous cell carcinoma (CSCC) is not well described, we sought to quantify major cutaneous surgeries/reconstructions among patients with CSCC who were newly diagnosed and for those treated with systemic therapy, stratified by immune status. Methods: We used the Optum® Clinformatics® Data Mart database (2013-2020) and Kaplan-Meier estimators to assess risk of surgeries/reconstructions. Results: 450,803 patients were identified with an incident CSCC diagnosis, including 4111 patients with CSCC who initiated systemic therapy. The respective 7-year risks of major cutaneous surgeries/reconstructions were 10.9% (95% CI: 10.7-11.0) and 21.8% (95% CI: 17.6-25.8). Overall risk of major cutaneous surgeries/reconstructions was higher in patients who were immunocompromised than those who were immunocompetent. Conclusion: Approximately one in nine patients with CSCC will undergo ≥1 major cutaneous surgeries/reconstructions within 7 years of diagnosis; the risk increases in patients who initiate systemic therapy and among those who are immunocompromised.
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Affiliation(s)
- Chieh-I Chen
- Regeneron Pharmaceuticals, Inc., Tarrytown, NY, USA
| | | | - Ning Wu
- Regeneron Pharmaceuticals, Inc., Tarrytown, NY, USA
| | - Emily S Ruiz
- Department of Dermatology, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
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Stan MS, Gamal A, Honda K. Dermatopathology Trends in African Americans: A Retrospective Analysis of Biopsies. Am J Dermatopathol 2024; 46:185-188. [PMID: 38153289 DOI: 10.1097/dad.0000000000002592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
ABSTRACT In a retrospective analysis of biopsies from January 1, 2019 to December 31, 2020, at University Hospitals Cleveland Medical Center, we aimed to determine the frequency of dermatologic conditions biopsied in African Americans (AA). Given that AAs constitute 13.4% of the US population, understanding the skin disease profile within this significant demographic is crucial. From a total of 1701 biopsies collected from 1442 AA patients, benign neoplasms emerged as the most common diagnosis, accounting for 26.7%, predominantly in females. Notably, cutaneous T-cell lymphoma was the most frequently biopsied malignancy, whereas pigmentary disorders were the least common at 1.4%. The study highlighted the higher occurrence of squamous cell carcinoma compared with basal cell carcinoma in AA, contrasting trends in other racial demographics. Moreover, recognizing the unique presentations of skin disorders in different racial backgrounds is essential, especially because disparities have been reported in skin of color training among dermatology residency programs. Understanding these racial differences in skin diseases can assist clinicians in refining their diagnostic approach. Future research could further explore the potential gaps between clinical expectations and histologic findings, improving diagnostic accuracy.
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Affiliation(s)
| | - Ahmed Gamal
- Department of Dermatology, University Hospitals Cleveland Medical Center, Cleveland, OH
| | - Kord Honda
- Department of Dermatology, University Hospitals Cleveland Medical Center, Cleveland, OH
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Wysong A, Somani AK, Ibrahim SF, Cañueto J, Fitzgerald AL, Siegel JJ, Prasai A, Goldberg MS, Farberg AS, Regula C, Bar A, Kasprzak J, Brodland DG, Koyfman SA, Arron ST. Integrating the 40-Gene Expression Profile (40-GEP) Test Improves Metastatic Risk-Stratification Within Clinically Relevant Subgroups of High-Risk Cutaneous Squamous Cell Carcinoma (cSCC) Patients. Dermatol Ther (Heidelb) 2024; 14:593-612. [PMID: 38424384 PMCID: PMC10965857 DOI: 10.1007/s13555-024-01111-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 02/06/2024] [Indexed: 03/02/2024] Open
Abstract
INTRODUCTION The validated 40-gene expression profile (40-GEP) test independently stratifies risk of regional or distant metastasis for cutaneous squamous cell carcinoma (cSCC) tumors with high-risk clinicopathologic features. This study evaluated the stratification of risk by the 40-GEP test in a large cohort of tumors with one or more high-risk factors and in clinically relevant subgroups, including tumors within National Comprehensive Cancer Network (NCCN) high- and very-high-risk groups, lower-stage BWH T1 and T2a tumors, and patients > 65 years old. METHODS This multicenter (n = 58) performance study of the 40-GEP included 897 patients. Kaplan-Meier analyses were performed to assess risk stratification profiles for 40-GEP Class 1 (low), Class 2A (higher) and Class 2B (highest) risk groups, while nested Cox regression models were used to compare risk prediction of clinicopathologic risk classification systems versus risk classification systems in combination with 40-GEP. RESULTS Patients classified as 40-GEP Class 1, Class 2A, or Class 2B had significantly different metastatic risk profiles (p < 0.0001). Integrating 40-GEP results into models with individual clinicopathologic risk factors or risk classification systems (Brigham and Women's Hospital, American Joint Committee on Cancer Staging Manual, 8th Edition) and NCCN demonstrated significant improvement in accuracy for prediction of metastatic events (ANOVA for model deviance, p < 0.0001 for all models). CONCLUSION The 40-GEP test demonstrates accurate, independent, clinically actionable stratification of metastatic risk and improves predictive accuracy when integrated into risk classification systems. The improved accuracy of risk assessment when including tumor biology via the 40-GEP test ensures more risk-aligned, personalized patient management decisions.
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Affiliation(s)
- Ashley Wysong
- Department of Dermatology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Ally-Khan Somani
- Department of Dermatology, Indiana University School of Medicine, Indianapolis, IN, USA
- SkinMD, L.L.C., Orland Park, IL, USA
| | | | - Javier Cañueto
- Department of Dermatology Complejo, Asistencial Universitario de Salamanca, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Instituto de Biología Celular y Molecular de Cáncer (CIC-IBMCC)-CSIC/USAL, Salamanca, Spain
| | | | - Jennifer J Siegel
- Research and Development, Castle Biosciences, Inc., Friendswood, TX, USA
| | - Anesh Prasai
- Research and Development, Castle Biosciences, Inc., Friendswood, TX, USA
| | - Matthew S Goldberg
- Research and Development, Castle Biosciences, Inc., Friendswood, TX, USA
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | | | - Anna Bar
- Department of Dermatology, Oregon Health & Science University, Portland, OR, USA
| | - Julia Kasprzak
- Department of Dermatology, Medical College of Wisconsin, Milwaukee, WI, USA
| | | | - Shlomo A Koyfman
- Department of Radiation Oncology, Cleveland Clinic, Cleveland, OH, USA
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Somani AK, Ibrahim SF, Tassavor M, Yoo J, Farberg AS. Use of the 40-gene Expression Profile (40-GEP) Test in Medicare-eligible Patients Diagnosed with Cutaneous Squamous Cell Carcinoma (cSCC) to Guide Adjuvant Radiation Therapy (ART) Decisions Leads to a Significant Reduction in Healthcare Costs. THE JOURNAL OF CLINICAL AND AESTHETIC DERMATOLOGY 2024; 17:41-44. [PMID: 38298751 PMCID: PMC10826833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
Objective Adjuvant radiation therapy (ART) is often recommended for high-risk cSCC patients but carries significant costs and risks. This study aims to determine if utilizing the 40-GEP test to guide ART can reduce healthcare costs in cSCC management. Methods Medical claims data with new diagnoses of cSCC for the 12 months ending June 2022 in the Medicare (≥65 years) population (source: IQVIA claims database) were obtained and normalized to the general population for missingness. CPT codes associated with radiation therapy within one-year post diagnosis were used to establish adjuvant RT use (defined as 'ART'). Average weighted direct costs for four major ART modalities were calculated from published studies and (IQVIA). Sensitivity analysis was used to assess the financial impact of ART treatment using varying distributions of 40-GEP Class results. Results Normalized medical claims data identified 22,917 Medicare-eligible cSCC patients who received ART within the United States. The weighted average direct cost for ART, which includes the four most used CPT code-defined modalities (IGRT, IMRT, IMPT, and XRT), was $60,693 per patient, amounting to an annual projected ART cost of $1.4 billion. Using the distribution of 40-GEP results from published studies, utilization of a 40-GEP test result to avoid ART in these patients could save up to $972 million in Medicare-eligible population. Sensitivity analysis shows, depending upon the distribution of the 40-GEP results, that for every 10% of Class 2A test results omitting ART, an extra $38-66 million in annual savings is expected. Limitations Potential limitations include a need for more comprehensive patient information and the cost of ART-related complications. Conclusion Utilizing the 40-GEP test results to guide ART decision-making would result in material savings to Medicare.
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Affiliation(s)
- Ally-Khan Somani
- Dr. Somani is with the Department of Dermatology at Indiana's University School of Medicine in Indianapolis, Indiana
| | - Sherrif F Ibrahim
- Dr. Ibrahim is with Rochester Dermatologic Surgery in Victor, New York
| | - Michael Tassavor
- Dr. Tassavor is with Medical Dermatology and Cosmetic Surgery Centers in New York, New York
| | - Jane Yoo
- Dr. Yoo is with the Icahn School of Medicine at Mount Sinai in New York, New York
| | - Aaron S Farberg
- Dr. Farberg is with Baylor Scott and White Health System in Dallas, Texas
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Strober B, Coates LC, Lebwohl MG, Deodhar A, Leibowitz E, Rowland K, Kollmeier AP, Miller M, Wang Y, Li S, Chakravarty SD, Chan D, Shawi M, Yang YW, Thaҫi D, Rahman P. Long-Term Safety of Guselkumab in Patients with Psoriatic Disease: An Integrated Analysis of Eleven Phase II/III Clinical Studies in Psoriasis and Psoriatic Arthritis. Drug Saf 2024; 47:39-57. [PMID: 37906417 PMCID: PMC10764399 DOI: 10.1007/s40264-023-01361-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/04/2023] [Indexed: 11/02/2023]
Abstract
INTRODUCTION The benefit/risk profiles of biologics can be affected by comorbidities, certain demographic characteristics, and concomitant medications; therefore, it is important to evaluate the long-term safety profiles of biologics across broad patient populations. Guselkumab was well tolerated and efficacious across individual pivotal clinical studies in adults with moderate-to-severe psoriasis and/or active psoriatic arthritis (PsA). OBJECTIVES The objective of the current analysis was to evaluate guselkumab safety in a large population of patients with psoriatic disease by pooling adverse event (AE) data from 11 phase II/III studies (seven in psoriasis; four in PsA). METHODS Guselkumab was generally administered as 100 mg subcutaneous injections at Week 0, Week 4, then every 8 weeks (Q8W) in psoriasis studies and at Week 0, Week 4, then every 4 weeks (Q4W) or Q8W in PsA studies. Safety data were summarized for the placebo-controlled period (Weeks 0-16 in psoriasis; Weeks 0-24 in PsA) and through the end of the reporting period (up to 5 years in psoriasis; up to 2 years in PsA). Using the integrated data, incidence rates of key AEs were determined post hoc, adjusted for duration of follow-up, and reported per 100 patient-years (PYs). AE rates were also determined in subgroups of patients defined by sex, age, body mass index (BMI), and prior biologic use. RESULTS During the placebo-controlled period, 1061 patients received placebo (395 PYs) and 2257 received guselkumab (856 PYs). Through the end of the reporting period, 4399 guselkumab-treated patients contributed 10,787 PYs of follow-up. During the placebo-controlled period, in the guselkumab and placebo groups, respectively, rates of AEs were 281 versus 272/100 PYs, and infections were 76.0 versus 72.2/100 PYs. Rates of serious AEs (5.6 vs. 7.8/100 PYs), AEs leading to discontinuation (4.9 vs. 6.6/100 PYs), serious infections (1.0 vs. 2.3/100 PYs), malignancy (0.59 vs. 0.25 patients/100 PYs), and major adverse cardiovascular events (MACE; 0.35 vs. 0.25/100 PYs) were low and comparable between guselkumab and placebo. Among guselkumab-treated patients, safety event rates through the end of the reporting period were numerically lower than or comparable with rates observed during the placebo-controlled period: AEs, 164/100 PYs; infections, 61.2/100 PYs; serious AEs, 5.4/100 PYs; AEs leading to discontinuation, 1.8/100 PYs; serious infections, 1.0/100 PYs; malignancy, 0.6/100 PYs; and MACE, 0.3/100 PYs. No AEs of Crohn's disease, ulcerative colitis, or active tuberculosis were reported among guselkumab-treated patients. In the psoriasis studies, no opportunistic infections were reported among guselkumab-treated patients. Three AEs of opportunistic infections were reported in guselkumab-treated patients with PsA (0.14/100 PYs; all after Week 52 in DISCOVER-2). AE rates were largely consistent across subgroups of guselkumab-treated patients defined by sex, age, BMI, and prior biologic use. CONCLUSIONS In this analysis of 4399 guselkumab-treated patients with psoriatic disease followed for 10,787 PYs, guselkumab had a favorable AE profile. AE rates were similar between guselkumab- and placebo-treated patients and were consistent throughout long-term guselkumab treatment and across broad subgroups of patients with psoriatic disease. CLINICAL TRIALS REGISTRATIONS Clinicaltrials.gov identifiers: NCT01483599, NCT02207231, NCT02207244, NCT02203032, NCT02905331, NCT03090100, NCT02325219, NCT02319759, NCT03162796, NCT03158285, and NCT03796858.
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Affiliation(s)
- Bruce Strober
- Yale University, New Haven, CT, USA.
- Central Connecticut Dermatology Research, Cromwell, CT, USA.
| | - Laura C Coates
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Mark G Lebwohl
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Atul Deodhar
- Division of Arthritis and Rheumatic Diseases, Oregon Health & Science University, Portland, OR, USA
| | | | | | | | - Megan Miller
- Janssen Research & Development, LLC, Spring House, PA, USA
| | - Yanli Wang
- Janssen Research & Development, LLC, Spring House, PA, USA
| | - Shu Li
- Janssen Research & Development, LLC, Spring House, PA, USA
| | - Soumya D Chakravarty
- Janssen Scientific Affairs, LLC, Horsham, PA, USA
- Drexel University College of Medicine, Philadelphia, PA, USA
| | - Daphne Chan
- Janssen Scientific Affairs, LLC, Horsham, PA, USA
| | - May Shawi
- Immunology, Janssen Research & Development, LLC, Titusville, NJ, USA
| | - Ya-Wen Yang
- Immunology Global Medical Affairs, Janssen Pharmaceutical Companies of Johnson & Johnson, Horsham, PA, USA
| | - Diamant Thaҫi
- Institute and Comprehensive Center for Inflammatory Medicine, University of Luebeck, Luebeck, Germany
| | - Proton Rahman
- Division of Rheumatology, Craig L. Dobbin Genetics Research Centre, Discipline of Medicine, Memorial University of Newfoundland, St John's, NL, Canada
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Du AL, Rishel CA, Sun EC. Association Between Naloxone Coprescription Mandates and Postoperative Outcomes. Ann Surg 2023; 278:e995-e1002. [PMID: 36805578 PMCID: PMC10439975 DOI: 10.1097/sla.0000000000005821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
INTRODUCTION The opioid epidemic is a public health issue in the United States. The objective of this study was to evaluate the association between naloxone coprescription mandates and postoperative outcomes. BACKGROUND Data on naloxone coprescription mandates show mixed evidence for fatal overdoses in the broader population. How these mandates have impacted surgical patients has not been fully explored. METHODS Healthcare claims data were used to identify all patients undergoing 1 of 50 common procedures between January 1, 2004, and June 30, 2019, and categorized as high risk for opioid overdose. The primary outcomes were an emergency department visit or hospital admission within 30 postoperative days. To reduce confounding, the association between this outcome and the implementation of naloxone coprescription mandates was estimated using a difference-in-differences approach. RESULTS The study included 429,878 surgical patients with an average age of 54.8 years (SD=15.9 years) and with 257,728 females (60.0%). There was no significant association between naloxone prescribing mandates and the primary outcomes. After adjustment for potential confounders, the incidence of hospital admission was 3.26% after implementation of a naloxone coprescription mandate compared with 3.33% before (difference change: -0.08%, 95% CI: -0.44% to 0.29%, P =0.68). The incidence of an emergency department visit was 7.06% after implementation of a naloxone coprescription mandate compared with 7.73% before (difference: -0.67%, 95% CI: -1.39% to 0.05%, P =0.07). These results were robust to a variety of sensitivity and subgroup analyses. CONCLUSIONS Naloxone coprescription mandates were not associated with a statistically or clinically significant change in emergency department visits or hospital admissions within 30 postoperative days.
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Affiliation(s)
- Austin L Du
- School of Medicine, University of California, San Diego, La Jolla, CA
| | - Chris A Rishel
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA
| | - Eric C Sun
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA
- Department of Health Policy, Stanford University School of Medicine, Stanford, CA
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Camacho I, Biro M, Stevenson ML, Deng M. Characteristics of Hispanic patients with nonmelanoma skin cancer undergoing Mohs micrographic surgery: a review of the literature. Int J Dermatol 2023; 62:1317-1323. [PMID: 37737563 DOI: 10.1111/ijd.16855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 08/30/2023] [Accepted: 09/08/2023] [Indexed: 09/23/2023]
Abstract
BACKGROUND Nonmelanoma skin cancer (NMSC) is the most common cancer worldwide and is frequently treated with Mohs micrographic surgery (MMS); however, data regarding characteristics of Hispanic patients undergoing MMS for NMSC are limited. OBJECTIVE To review the characteristics of Hispanic patients undergoing MMS for NMSC in the United States. METHODS A systematic review of PubMed articles from inception through September 2022 providing data for Hispanic patients undergoing MMS for NMSC was completed. RESULTS Overall, six publications met inclusion criteria and provided data for 2,856 Hispanic patients that underwent MMS for 2,955 NMSCs. Results demonstrate 60% of Hispanic patients were male, and the majority of NMSCs were basal cell carcinoma (BCC) (71%), followed by squamous cell carcinoma (SCC) (21%). Additionally, a larger percentage of pigmented BCC was found in the Hispanic population. While there is conflicting data in the literature, Hispanic patients may also have larger MMS defects when controlled for additional variables. Finally, over 64% of NMSCs in Hispanic patients were in high-risk locations. CONCLUSION Literature regarding the characteristics of Hispanic patients undergoing MMS for NMSC demonstrates most patients were male, BCC was the most common tumor subtype, and the majority of NMSCs were in high-risk locations.
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Affiliation(s)
- Isabella Camacho
- Department of Dermatology, MedStar Washington Hospital Center, Washington, DC, USA
- Department of Dermatology, MedStar Georgetown University Hospital, Washington, DC, USA
| | - Mark Biro
- Department of Dermatology, MedStar Washington Hospital Center, Washington, DC, USA
- Department of Dermatology, MedStar Georgetown University Hospital, Washington, DC, USA
| | - Mary L Stevenson
- The Ronald O. Perelman Department of Dermatology, New York University Langone Medical Center, NY, New York, USA
| | - Min Deng
- Department of Dermatology, MedStar Washington Hospital Center, Washington, DC, USA
- Department of Dermatology, MedStar Georgetown University Hospital, Washington, DC, USA
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Cheraghlou S, Doudican NA, Criscito MC, Stevenson ML, Carucci JA. Defining and quantifying histopathologic risk factors for regional and distant metastases in a large cohort of vulvar squamous cell carcinomas. J Am Acad Dermatol 2023; 89:1022-1030. [PMID: 37054818 DOI: 10.1016/j.jaad.2023.03.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 02/16/2023] [Accepted: 03/28/2023] [Indexed: 04/15/2023]
Abstract
BACKGROUND Vulvar squamous cell carcinoma (vSCC) is a rare tumor with a good prognosis when treated at a localized stage. However, once regional/distant metastasis occurs, vSCC can be rapidly fatal. Thus, it is important to identify tumor prognostic features so that high-risk cases can be prioritized for further diagnostic workup and treatment. OBJECTIVE To estimate the risk of regional/distant metastasis at presentation and sentinel lymph node status for vSCC based on histopathologic characteristics. METHODS A retrospective cohort study of 15,188 adult vSCC cases from the National Cancer Database diagnosed from 2012 to 2019. RESULTS We provide specific estimates of the risk of clinically positive nodes and metastatic disease at presentation and sentinel lymph node positivity according to tumor size, moderate/poor tumor differentiation, and lymph-vascular invasion. These histopathologic factors were all significantly associated with the tested clinical outcomes in a multivariable analysis. Moderate (hazard ratio, 1.190; P < .001) and poor differentiation (hazard ratio, 1.204; P < .001) and lymph-vascular invasion (hazard ratio, 1.465; P < .001) were also associated with significantly poorer overall survival. LIMITATIONS Data on disease-specific survival not available in the data set. CONCLUSIONS We demonstrate the association of the histopathologic characteristics of vSCC with clinically important outcomes. These data may provide individualized information when discussing diagnostic/treatment recommendations, particularly regarding sentinel lymph node biopsy. These data may also guide future staging and risk stratification efforts for vSCC.
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Affiliation(s)
- Shayan Cheraghlou
- Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York, New York
| | - Nicole A Doudican
- Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York, New York
| | - Maressa C Criscito
- Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York, New York
| | - Mary L Stevenson
- Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York, New York
| | - John A Carucci
- Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York, New York.
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Song X, Chen CI, Konidaris G, Zimmerman NM, Ruiz E. Real-world analysis of cost, treatment patterns, and outcomes of patients with metastatic cutaneous squamous cell carcinoma in the US. Expert Rev Pharmacoecon Outcomes Res 2023; 23:911-920. [PMID: 37313647 DOI: 10.1080/14737167.2023.2223982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 06/02/2023] [Indexed: 06/15/2023]
Abstract
OBJECTIVES To describe real-world characteristics and treatment patterns of patients with metastatic cutaneous squamous cell carcinoma (mCSCC). METHODS This retrospective observational study used MarketScan Commercial and Medicare Supplemental claims databases (1/1/2013-7/31/2019). Adult patients with mCSCC who initiated non-immunotherapy systemic treatment (i.e. index event) between 1 January 2014 and 31 December 2018 were assessed for treatment patterns, all-cause and CSCC-related healthcare resource utilization, costs, and mortality . RESULTS Overall, 207 patients were included in the study(mean age 64.8 years, 76.3% male), 59.4% had prior radiotherapy, and 58.9% had prior CSCC-related surgery. During follow-up, 75.8%, 51.7%, and 35.7% of patients received chemotherapy, radiotherapy, and targeted therapy as first-line treatment, respectively. Cisplatin (32.9%) and carboplatin (22.7%) were the most common chemotherapy agents, and cetuximab (32.4%) was the most common targeted therapy during the first-line.Probability of death (95% CI) at month 6, year 1, and year 2 was 24% (16-32%), 50% (40 - 59%), and 67% (56 - 75%), respectively. Average CSCC-related healthcare costs were $5,354 per person per month (PPPM), with outpatient costs being the major cost driver at 96.4% ($5,160 PPPM). CONCLUSION During 2014-2018, patients with mCSCC were commonly treated with cisplatin and cetuximab; prognosis was generally poor. These results indicate opportunity for new treatments to improve survival outcomes.
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Affiliation(s)
- Xue Song
- Regeneron Pharmaceuticals, Inc, Sleepy Hollow, NY, USA
| | - Chieh-I Chen
- Regeneron Pharmaceuticals, Inc, Sleepy Hollow, NY, USA
| | | | | | - Emily Ruiz
- Department of Dermatology, Dana-Farber Cancer Institute, Boston, MA, USA
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Lashway SG, Worthen ADM, Abuasbeh JN, Harris RB, Farland LV, O'Rourke MK, Dennis LK. A meta-analysis of sunburn and basal cell carcinoma risk. Cancer Epidemiol 2023; 85:102379. [PMID: 37201363 DOI: 10.1016/j.canep.2023.102379] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/01/2023] [Accepted: 05/03/2023] [Indexed: 05/20/2023]
Abstract
Basal cell carcinoma (BCC) is the most common cancer in the United States. Sunburn is a modifiable risk factor for BCC. The objective of this project was to synthesize research on BCC and sunburn to quantify the impact and severity of sunburn at different life stages on BCC risk in the general population. A systematic literature search of four electronic databases was conducted and data were extracted by two independent reviewers using standardized forms. Data from 38 studies were pooled using both dichotomous and dose-response meta-analytic methods. BCC risk increased with ever experiencing a sunburn in childhood (OR=1.43, 95% CI: 1.19, 1.72) and with ever experiencing a sunburn in life (OR= 1.40, 95% CI: 1.02, 1.45). Every five sunburns experienced per decade in childhood increased BCC risk by 1.86 (95% CI: 1.73, 2.00) times. Every five sunburns experienced per decade in adulthood increased BCC risk by 2.12 (95% CI: 1.75, 2.57) times and every five sunburns per decade of life increased BCC risk by 1.91 (95% CI: 1.42, 2.58) times. The data on sunburn exposure and BCC show that an increase in number of sunburns at any age increased the risk of BCC. This may inform future prevention efforts.
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Affiliation(s)
- Stephanie G Lashway
- Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, 1295 N. Martin Ave., Tucson, AZ 85724, USA.
| | - Aimee D M Worthen
- Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, 1295 N. Martin Ave., Tucson, AZ 85724, USA
| | - Jumanah N Abuasbeh
- Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, 1295 N. Martin Ave., Tucson, AZ 85724, USA
| | - Robin B Harris
- Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, 1295 N. Martin Ave., Tucson, AZ 85724, USA
| | - Leslie V Farland
- Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, 1295 N. Martin Ave., Tucson, AZ 85724, USA
| | - Mary Kay O'Rourke
- Department of Community, Environment and Policy, Mel and Enid Zuckerman College of Public Health, University of Arizona, 1295 N. Martin Ave., Tucson, AZ 85724, USA
| | - Leslie K Dennis
- Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, 1295 N. Martin Ave., Tucson, AZ 85724, USA
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12
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Singh G, Tolkachjov SN, Farberg AS. Incorporation of the 40-Gene Expression Profile (40-GEP) Test to Improve Treatment Decisions in High-Risk Cutaneous Squamous Cell Carcinoma (cSCC) Patients: Case Series and Algorithm. Clin Cosmet Investig Dermatol 2023; 16:925-935. [PMID: 37051586 PMCID: PMC10083143 DOI: 10.2147/ccid.s403330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 03/25/2023] [Indexed: 04/08/2023]
Abstract
Cutaneous squamous cell carcinoma (cSCC) has become a significant public health issue due to its rapidly rising incidence and an estimated 1.8 million newly diagnosed cases annually. As with other cancers, treatment decisions for patients with cSCC are based primarily on a patient's risk for poor outcomes. There has been improvement in clinicopathologic factor-based risk assessment approaches, either through informal methods or ever evolving staging approaches. However, these approaches misidentify patients who will eventually have disease progression as low-risk and conversely, over classify patients as high-risk who do not experience relapse. To improve the accuracy of risk assessment for patients with cSCC, the 40-gene expression profile (40-GEP) test has been validated to show statistically significant stratification of a high-risk cSCC patient's risk of nodal or distant metastasis, independent of currently available risk-assessment methods. The 40-GEP test allows for a more accurate classification of metastatic risk for high-risk cSCC patients, with the aim to influence appropriate allocation of clinician time and therapeutic resources to those patients who will most benefit. The objective of this article is to present a treatment algorithm in which clinicians can easily integrate the results of the 40-GEP test into their current treatment approaches to tailor patient care based on individual tumor biology. The following modalities were considered: surveillance imaging, sentinel lymph node biopsy (SLNB), adjuvant radiation therapy (ART), and clinical follow-up. The authors have contributed their own cases for discussion as to how they have seen the beneficial impact of 40-GEP test results in their own practice. Overall, clinicians can identify risk-aligned treatment pathway improvements with the use of the 40-GEP test for challenging to manage, high-risk cSCC patients.
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Affiliation(s)
| | - Stanislav N Tolkachjov
- Epiphany Dermatology, Dallas, TX, USA
- University of Texas at Southwestern, Dallas, TX, USA
- Baylor University Medical Center, Dallas, TX, USA
- Texas A&M College of Medicine, Dallas, TX, USA
| | - Aaron S Farberg
- Texas A&M College of Medicine, Dallas, TX, USA
- Bare Dermatology, Dallas, TX, USA
- Baylor Scott & White Health System, Dallas, TX, USA
- Correspondence: Aaron S Farberg, Bare Dermatology, 2110 Research Row, Dallas, TX, 75235, USA, Tel +1 847-721-2725, Email
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13
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McCarty MF, Benzvi C, Vojdani A, Lerner A. Nutraceutical strategies for alleviation of UVB phototoxicity. Exp Dermatol 2023. [PMID: 36811352 DOI: 10.1111/exd.14777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 02/11/2023] [Accepted: 02/17/2023] [Indexed: 02/24/2023]
Abstract
Ultraviolet B exposure to keratinocytes promotes carcinogenesis by inducing pyrimidine dimer lesions in DNA, suppressing the nucleotide excision repair mechanism required to fix them, inhibiting the apoptosis required for the elimination of initiated cells, and driving cellular proliferation. Certain nutraceuticals - most prominently spirulina, soy isoflavones, long-chain omega-3 fatty acids, the green tea catechin epigallocatechin gallate (EGCG) and Polypodium leucotomos extract - have been shown to oppose photocarcinogenesis, as well as sunburn and photoaging, in UVB-exposed hairless mice. It is proposed that spirulina provides protection in this regard via phycocyanobilin-mediated inhibition of Nox1-dependent NADPH oxidase; that soy isoflavones do so by opposing NF-κB transcriptional activity via oestrogen receptor-beta; that the benefit of eicosapentaenoic acid reflects decreased production of prostaglandin E2; and that EGCG counters UVB-mediated phototoxicity via inhibition of the epidermal growth factor receptor. The prospects for practical nutraceutical down-regulation of photocarcinogenesis, sunburn, and photoaging appear favourable.
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Affiliation(s)
- Mark F McCarty
- Catalytic Longevity Foundation, San Diego, California, USA
| | - Carina Benzvi
- Chaim Sheba Medical Center, The Zabludowicz Research Center for Autoimmune Diseases, Tel Hashomer, Israel
| | | | - Aaron Lerner
- Chaim Sheba Medical Center, The Zabludowicz Research Center for Autoimmune Diseases, Tel Hashomer, Israel.,Ariel University, Ariel, Israel
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14
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Zakhem GA, Pulavarty AN, Carucci J, Stevenson ML. Association of Patient Risk Factors, Tumor Characteristics, and Treatment Modality With Poor Outcomes in Primary Cutaneous Squamous Cell Carcinoma: A Systematic Review and Meta-analysis. JAMA Dermatol 2023; 159:160-171. [PMID: 36576732 PMCID: PMC9857763 DOI: 10.1001/jamadermatol.2022.5508] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 10/21/2022] [Indexed: 12/29/2022]
Abstract
Importance Primary cutaneous squamous cell carcinoma is usually curable; however, a subset of patients develops poor outcomes, including local recurrence, nodal metastasis, distant metastasis, and disease-specific death. Objectives To evaluate all evidence-based reports of patient risk factors and tumor characteristics associated with poor outcomes in primary cutaneous squamous cell carcinoma and to identify treatment modalities that minimize poor outcomes. Data Sources PubMed, Embase, and SCOPUS databases were searched for studies of the topic in humans, published in the English language, from database inception through February 8, 2022. Study Selection Two authors independently screened the identified articles and included those that were original research with a sample size of 10 patients or more and that assessed risk factors and/or treatment modalities associated with poor outcomes among patients with primary cutaneous squamous cell carcinoma. Data Extraction and Synthesis Data extraction was performed by a single author, per international guidelines. The search terms, study objectives, and protocol methods were defined before study initiation. A total of 310 studies were included for full-text assessment. Owing to heterogeneity of the included studies, a random-effects model was used. Data analyses were performed from May 25 to September 15, 2022. Main Outcomes and Measures For studies of risk factors, risk ratios and incidence proportions; and for treatment studies, incidence proportions. Results In all, 129 studies and a total of 137 449 patients with primary cutaneous squamous cell carcinoma and 126 553 tumors were included in the meta-analysis. Several patient risk factors and tumor characteristics were associated with local recurrence, nodal metastasis, distant metastasis, disease-specific death, and all-cause death were identified. Among all factors reported by more than 1 study, the highest risks for local recurrence and disease-specific death were associated with tumor invasion beyond subcutaneous fat (risk ratio, 9.1 [95% CI, 2.8-29.2] and 10.4 [95% CI, 3.0- 36.3], respectively), and the highest risk of any metastasis was associated with perineural invasion (risk ratio, 5.0; 95% CI, 2.3-11.1). Patients who received Mohs micrographic surgery had the lowest incidence of nearly all poor outcomes; however, in some results, the 95% CIs overlapped with those of other treatment modalities. Conclusions and Relevance This meta-analysis identified the prognostic value of several risk factors and the effectiveness of the available treatment modalities. These findings carry important implications for the prognostication, workup, treatment, and follow-up of patients with primary cutaneous squamous cell carcinoma. Trial Registration PROSPERO Identifier: CRD42022311250.
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Affiliation(s)
- George A. Zakhem
- The Ronald O. Perelman Department of Dermatology, NYU Langone Health, New York, New York
| | - Akshay N. Pulavarty
- The Ronald O. Perelman Department of Dermatology, NYU Langone Health, New York, New York
| | - John Carucci
- The Ronald O. Perelman Department of Dermatology, NYU Langone Health, New York, New York
| | - Mary L. Stevenson
- The Ronald O. Perelman Department of Dermatology, NYU Langone Health, New York, New York
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15
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Immunosuppressed patients are at increased risk of local recurrence, metastasis, and disease specific death from cutaneous squamous cell carcinoma. Arch Dermatol Res 2022; 315:1429-1433. [DOI: 10.1007/s00403-022-02458-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 11/03/2022] [Indexed: 11/24/2022]
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16
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Siauta JF, Windura CA, Putra LK. Cutaneous and lip squamous cell carcinomas in an albinism patient: A case report. Ann Med Surg (Lond) 2022; 81:104556. [PMID: 36147089 PMCID: PMC9486843 DOI: 10.1016/j.amsu.2022.104556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 08/27/2022] [Accepted: 08/28/2022] [Indexed: 10/25/2022] Open
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17
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Immunotherapy for the Treatment of Squamous Cell Carcinoma: Potential Benefits and Challenges. Int J Mol Sci 2022; 23:ijms23158530. [PMID: 35955666 PMCID: PMC9368833 DOI: 10.3390/ijms23158530] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/26/2022] [Accepted: 07/29/2022] [Indexed: 02/01/2023] Open
Abstract
Melanoma and nonmelanoma skin cancers (NMSCs) are recognized as among the most common neoplasms, mostly in white people, with an increasing incidence rate. Among the NMSCs, squamous cell carcinoma (SCC) is the most prevalent malignancy known to affect people with a fair complexion who are exposed to extreme ultraviolet radiation (UVR), have a hereditary predisposition, or are immunosuppressed. There are several extrinsic and intrinsic determinants that contribute to the pathophysiology of the SCC. The therapeutic modalities depend on the SCC stages, from actinic keratosis to late-stage multiple metastases. Standard treatments include surgical excision, radiotherapy, and chemotherapy. As SCC represents a favorable tumor microenvironment with high tumor mutational burden, infiltration of immune cells, and expression of immune checkpoints, the SCC tumors are highly responsive to immunotherapies. Until now, there are three checkpoint inhibitors, cemiplimab, pembrolizumab, and nivolumab, that are approved for the treatment of advanced, recurrent, or metastatic SCC patients in the United States. Immunotherapy possesses significant therapeutic benefits for patients with metastatic or locally advanced tumors not eligible for surgery or radiotherapy to avoid the potential toxicity caused by the chemotherapies. Despite the high tolerability and efficiency, the existence of some challenges has been revealed such as, resistance to immunotherapy, less availability of the biomarkers, and difficulty in appropriate patient selection. This review aims to accumulate evidence regarding the genetic alterations related to SCC, the factors that contribute to the potential benefits of immunotherapy, and the challenges to follow this treatment regime.
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18
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Advances in Cutaneous Squamous Cell Carcinoma Management. Cancers (Basel) 2022; 14:cancers14153653. [PMID: 35954316 PMCID: PMC9367549 DOI: 10.3390/cancers14153653] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/16/2022] [Accepted: 07/25/2022] [Indexed: 01/27/2023] Open
Abstract
Simple Summary Cutaneous squamous cell carcinoma (cSCC) is an increasingly prevalent and morbid cancer worldwide. Management of this cancer has changed significantly in the last decade through improved risk stratification and new therapies offering patients with locally advanced and metastatic disease more effective, less toxic, and more durable treatment options. Ongoing clinical trials are assessing new therapeutic options as well as optimizing existing regimens in efforts to better manage this cancer. The recent developments highlight the need for multidisciplinary care, especially for those with locally advanced and metastatic disease. Abstract cSCC is increasing in prevalence due to increased lifespans and improvements in survival for conditions that increase the risk of cSCC. The absolute mortality of cSCC exceeds melanoma in the United States and approaches that of melanoma worldwide. This review presents significant changes in the management of cSCC, focusing on improvements in risk stratification, new treatment options, optimization of existing treatments, and prevention strategies. One major breakthrough in cSCC treatment is the advent of immune checkpoint inhibitors (ICIs) targeting programmed cell death protein 1 (PD-1) and programmed death-ligand 1 (PD-L1), which have ushered in a renaissance in the treatment of patients with locally advanced and metastatic disease. These agents have offered patients with advanced disease decreased therapeutic toxicity compared to traditional chemotherapy agents, a more durable response after discontinuation, and improved survival. cSCC is an active field of research, and this review will highlight some of the novel and more developed clinical trials that are likely to impact cSCC management in the near future.
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19
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Shao K, Feng H. Racial and Ethnic Healthcare Disparities in Skin Cancer in the United States: A Review of Existing Inequities, Contributing Factors, and Potential Solutions. THE JOURNAL OF CLINICAL AND AESTHETIC DERMATOLOGY 2022; 15:16-22. [PMID: 35942012 PMCID: PMC9345197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective Racial and ethnic health disparities affect the diagnosis and management of melanoma and nonmelanoma skin cancers, leading to deleterious outcomes. Non-Hispanic White patients make up the majority of skin cancers cases, yet racial and ethnic minorities have poorer prognoses and outcomes. The skin cancer literature is fragmented with regards to potential contributors to these healthcare disparities. In this article, we provide a comprehensive review of the skin cancer literature to briefly quantify racial and ethnic inequities, highlight contributing factors, and propose practical changes that can be made. Methods A PubMed search was completed to identify articles related to racial and ethnic health care disparities in the context of melanoma, basal cell carcinoma, squamous cell carcinoma, Merkel cell carcinoma, and dermatofibrosarcoma protuberans. Results Relative to non-Hispanic White patients, patients of racial and ethnic minorities have differing clinical presentations of skin cancers and genetic risk factors. Insurance, access to specialty care, cultural beliefs, and available educational resources further contribute to racial and ethnic disparities. Limitations We are limited to the level of detail provided in the existing literature, and at some times are unable to distinguish race of Hispanic populations. We also acknowledge that there are different nationalities grouped under these broad labels as well as multi-racial populations that may not be accounted for. Conclusion Awareness of and familiarization with innate factors and potentially more modifiable contributors can help inform efforts to close the observed gap in racial and ethnic inequities.
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Affiliation(s)
- Kimberly Shao
- Both authors are with the Department of Dermatology at University of Connecticut, Farmington, Connecticut
| | - Hao Feng
- Both authors are with the Department of Dermatology at University of Connecticut, Farmington, Connecticut
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20
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Ihira H, Goto A, Yamagishi K, Iso H, Iwasaki M, Sawada N, Tsugane S. Validity of claims data for identifying cancer incidence in the Japan public health center-based prospective study for the next generation. Pharmacoepidemiol Drug Saf 2022; 31:972-982. [PMID: 35726806 DOI: 10.1002/pds.5494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 11/05/2022]
Abstract
PURPOSE This study determined the validity of claims-based definitions for identifying the incidence of total and site-specific cancers in a population-based cohort study. METHODS Claims data were obtained for 21 946 participants aged 40-74 years enrolled in the Japan Public Health Center-based Prospective Study for the Next Generation. We defined total and site-specific cancer incidence using combinations of codes from claims data, including diagnosis and procedure codes for cancer therapy. Data from the cancer registry were used as the gold standard to evaluate validity. RESULTS Among 21 946 participants, 454 total, 89 stomach, 67 colorectal, 51 lung, 39 breast and 99 prostate invasive cancer cases were newly diagnosed in the cancer registry. For invasive cancer, the sensitivity and specificity of the definition that combined codes for diagnosis and procedures for cancer therapy were 87.0% and 99.4% for total, 88.8% and 99.9% for stomach, 80.6% and 99.9% for colorectal, 86.3% and 99.9% for lung, 100% and 99.9% for breast and 91.9% and 99.9% for prostate cancer, respectively. Furthermore, for invasive and/or in situ cancer, the sensitivity and specificity of the definition were 84.5% and 99.5% for total, 66.7% and 99.9% for colorectal and 100% and 99.9% for breast cancer. CONCLUSIONS Our findings suggest that claims-based definitions using diagnosis and procedure codes generally have high validity for total, stomach, lung, breast and prostate cancer incidence, but may underestimate colorectal cancer incidence.
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Affiliation(s)
- Hikaru Ihira
- Division of Cohort Research, Institute for Cancer Control, National Cancer Center, Tokyo, Japan
| | - Atsushi Goto
- Department of Health Data Science, Graduate School of Data Science, Yokohama City University, Yokohama, Japan
| | - Kazumasa Yamagishi
- Department of Public Health Medicine, Faculty of Medicine, and Health Services Research and Development Centre, University of Tsukuba, Tsukuba, Japan.,Ibaraki Western Medical Center, Chikusei, Ibaraki, Japan
| | - Hiroyasu Iso
- Department of Public Health Medicine, Faculty of Medicine, and Health Services Research and Development Centre, University of Tsukuba, Tsukuba, Japan.,Public Health, Department of Social and Environmental Medicine, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Motoki Iwasaki
- Division of Cohort Research, Institute for Cancer Control, National Cancer Center, Tokyo, Japan.,Division of Epidemiology, Institute for Cancer Control, National Cancer Center, Tokyo, Japan
| | - Norie Sawada
- Division of Cohort Research, Institute for Cancer Control, National Cancer Center, Tokyo, Japan
| | - Shoichiro Tsugane
- Division of Cohort Research, Institute for Cancer Control, National Cancer Center, Tokyo, Japan.,National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition, Tokyo, Japan
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21
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Quadri M, Marconi A, Sandhu SK, Kiss A, Efimova T, Palazzo E. Investigating Cutaneous Squamous Cell Carcinoma in vitro and in vivo: Novel 3D Tools and Animal Models. Front Med (Lausanne) 2022; 9:875517. [PMID: 35646967 PMCID: PMC9131878 DOI: 10.3389/fmed.2022.875517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 04/19/2022] [Indexed: 12/07/2022] Open
Abstract
Cutaneous Squamous Cell Carcinoma (cSCC) represents the second most common type of skin cancer, which incidence is continuously increasing worldwide. Given its high frequency, cSCC represents a major public health problem. Therefore, to provide the best patients’ care, it is necessary having a detailed understanding of the molecular processes underlying cSCC development, progression, and invasion. Extensive efforts have been made in developing new models allowing to study the molecular pathogenesis of solid tumors, including cSCC tumors. Traditionally, in vitro studies were performed with cells grown in a two-dimensional context, which, however, does not represent the complexity of tumor in vivo. In the recent years, new in vitro models have been developed aiming to mimic the three-dimensionality (3D) of the tumor, allowing the evaluation of tumor cell-cell and tumor-microenvironment interaction in an in vivo-like setting. These models include spheroids, organotypic cultures, skin reconstructs and organoids. Although 3D models demonstrate high potential to enhance the overall knowledge in cancer research, they lack systemic components which may be solved only by using animal models. Zebrafish is emerging as an alternative xenotransplant model in cancer research, offering a high-throughput approach for drug screening and real-time in vivo imaging to study cell invasion. Moreover, several categories of mouse models were developed for pre-clinical purpose, including xeno- and syngeneic transplantation models, autochthonous models of chemically or UV-induced skin squamous carcinogenesis, and genetically engineered mouse models (GEMMs) of cSCC. These models have been instrumental in examining the molecular mechanisms of cSCC and drug response in an in vivo setting. The present review proposes an overview of in vitro, particularly 3D, and in vivo models and their application in cutaneous SCC research.
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Affiliation(s)
- Marika Quadri
- DermoLAB, Department of Surgical, Medical, Dental and Morphological Science, University of Modena and Reggio Emilia, Modena, Italy
| | - Alessandra Marconi
- DermoLAB, Department of Surgical, Medical, Dental and Morphological Science, University of Modena and Reggio Emilia, Modena, Italy
| | - Simran K Sandhu
- Department of Anatomy and Cell Biology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States.,The George Washington Cancer Center, George Washington University School of Medicine and Health Sciences, Washington, DC, United States.,Department of Dermatology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Alexi Kiss
- Department of Anatomy and Cell Biology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States.,The George Washington Cancer Center, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Tatiana Efimova
- Department of Anatomy and Cell Biology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States.,The George Washington Cancer Center, George Washington University School of Medicine and Health Sciences, Washington, DC, United States.,Department of Dermatology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Elisabetta Palazzo
- DermoLAB, Department of Surgical, Medical, Dental and Morphological Science, University of Modena and Reggio Emilia, Modena, Italy
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22
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Advanced basal cell carcinoma: What dermatologists need to know about diagnosis. J Am Acad Dermatol 2022; 86:S1-S13. [PMID: 35577405 DOI: 10.1016/j.jaad.2022.03.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 03/07/2022] [Accepted: 03/09/2022] [Indexed: 12/07/2022]
Abstract
Basal cell carcinoma (BCC) is the most common human cancer, with approximately 3.6 million cases diagnosed each year. About 2000 deaths annually in the United States are attributed to basal and squamous cell skin cancers. There is a direct link between ultraviolet exposure and the development of BCC, as UV exposure damages DNA and induces mutations in tumor suppressor genes. Aberrations in the hedgehog pathway can also result in BCC, highlighted by the fact that most cases of sporadic BCCs have been found to have mutations in different genes involved in the hedgehog pathway. There are several genetic syndromes that are associated with BCCs, including basal cell nevus syndrome, xeroderma pigmentosum, Bazex-Dupré-Christol syndrome, Rombo syndrome, and Oley syndrome. Other risk factors include age, male gender, occupational hazards, radiation, and immunosuppression. BCCs are not typically staged but are instead stratified by their risk of recurring or metastasizing. Locally advanced BCCs are those tumors that are not amenable to surgery or radiation therapy.
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23
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Hassan S, Louis SJ, Fethiere M, Dure D, Rosen J, Morrison BW. The prevalence of nonmelanoma skin cancer in a population of patients with oculocutaneous albinism in Haiti. Int J Dermatol 2022; 61:867-871. [PMID: 35393655 DOI: 10.1111/ijd.16199] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 02/04/2022] [Accepted: 03/22/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Multiple studies have examined the prevalence of nonmelanoma skin cancers (NMSC) in patients with oculocutaneous albinism (OCA). However, to date, no studies have examined this data in Caribbean populations. METHODS This study is a cross-sectional study of 106 patients with OCA who were seen at the Oculocutaneous Albinism Clinic in Port-au-Prince and Gros Morne, Haiti, between the dates of February 2017 and June 2018. RESULTS In our population, 31/106 (29%) patients were found to have NMSC, 10/31 (32%) had BCC, 12/31 (39%) had SCC, and 9/31 (29%) had both types of NMSC. The most common age groups were 31-40 years, with the overall range of ages being 18-63 years. Also, 60/106 (57%) of the patients had actinic keratoses (AK). CONCLUSIONS Our study provides new data examining the prevalence of NMSC within a population of patients with OCA in Haiti. Overall, it shows that patients with albinism develop NMSC at an earlier age compared with the rest of the population. Therefore, appropriate skin cancer screening and surveillance should be implemented within this high-risk population group.
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Affiliation(s)
- Shahzeb Hassan
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Shesly J Louis
- Department of Dermatology and Sexually Transmitted Diseases, Hospital of the State University of Haiti, Port-Au-Prince, Haiti
| | | | - Danie Dure
- General Dermatology and Pediatric Dermatology, Hopital Universitaire de Mirebalais, Mirebalais, Haiti
| | - Jordan Rosen
- Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Brian W Morrison
- Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
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24
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Zakhem GA, Pulavarty AN, Lester JC, Stevenson ML. Skin Cancer in People of Color: A Systematic Review. Am J Clin Dermatol 2022; 23:137-151. [PMID: 34902111 DOI: 10.1007/s40257-021-00662-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND People of African, Asian, Hispanic or Latino, Pacific Islander, and Native Indian descent are considered people of color by the Skin of Color Society (SOCS). OBJECTIVES In this study, we assess incidence, risk factors, clinical characteristics, histopathology, treatment, and survival for skin malignancies in people of color as defined by the SOCS, by systematically reviewing the literature. METHODS An electronic literature search of the PubMed, EMBASE, and MEDLINE databases was performed. Articles published from 1 January 1990 through 12 December 2020 were included in the search. RESULTS We identified 2666 publications potentially meeting the study criteria. Titles and abstracts of these studies were reviewed and 2353 were excluded. The full text of 313 articles were evaluated and 251 were included in this review. CONCLUSION Differences in incidence, patterns, treatment, and survival exist among people of color for cutaneous malignancies. Further research and initiatives are needed to account for and mitigate these differences.
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Affiliation(s)
- George A Zakhem
- The Ronald O. Perelman Department of Dermatology, New York University School of Medicine, 222 East 41st Street, 24th Floor, New York, NY, 10017, USA
| | - Akshay N Pulavarty
- The Ronald O. Perelman Department of Dermatology, New York University School of Medicine, 222 East 41st Street, 24th Floor, New York, NY, 10017, USA
| | - Jenna C Lester
- University of California San Francisco, San Francisco, CA, USA
| | - Mary L Stevenson
- The Ronald O. Perelman Department of Dermatology, New York University School of Medicine, 222 East 41st Street, 24th Floor, New York, NY, 10017, USA.
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Shao K, Hooper J, Feng H. Racial/Ethnic Health Disparities in Dermatology in the United States Part 2: Disease-specific Epidemiology, Characteristics, Management, and Outcomes. J Am Acad Dermatol 2022; 87:733-744. [PMID: 35143915 DOI: 10.1016/j.jaad.2021.12.062] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 12/02/2021] [Accepted: 12/15/2021] [Indexed: 10/19/2022]
Abstract
Racial and ethnic disparities in dermatology negatively affect outcomes such as mortality and quality of life. Dermatologists and dermatologic surgeons should be familiar with disease-specific inequities that may influence their practice. The second article in this two-part continuing medical education series highlights gaps in frequency, clinical presentation, management, and outcomes by race and ethnicity. We review cutaneous malignancies including basal cell carcinoma, squamous cell carcinoma, melanoma, Merkel cell carcinoma, dermatofibrosarcoma protuberans, and cutaneous T cell lymphoma, and inflammatory disorders including atopic dermatitis, psoriasis, hidradenitis suppurativa, acne vulgaris, and rosacea.
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Affiliation(s)
- Kimberly Shao
- Department of Dermatology, University of Connecticut Health Center, Farmington, CT
| | - Jette Hooper
- Department of Dermatology, University of Connecticut Health Center, Farmington, CT
| | - Hao Feng
- Department of Dermatology, University of Connecticut Health Center, Farmington, CT.
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Moy LS, Hands JM, Shitabata PK. Trends in Cancers of the Skin: Insights from a Three-year Observational Cohort in Manhattan Beach, California. THE JOURNAL OF CLINICAL AND AESTHETIC DERMATOLOGY 2022; 15:42-47. [PMID: 35309270 PMCID: PMC8903227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
BACKGROUND There exists significant heterogeneity in the presentation of "common" skin cancers such as cutaneous melanoma (CM), cutaneous squamous cell carcinoma (cSCC) and basal cell carcinoma (BCC). Meaningful differences are often observed among the trio concerning age, sex, site at presentation and laterality. OBJECTIVE In this paper, we endeavor to elucidate such heterogeneity, reaffirm burgeoning trends in skin cancer incidence, and offer new insights in the presentation of common skin cancers. RESULTS While agreement with current consensus was achieved with regard to various aspects of sex, age, and site-specific findings, several novel results emerged: (1) the percentage of subjects presenting with CM was demonstrably higher than population averages would estimate; (2) melanoma exhibited a pronounced right-side bias; (3) cSCC was not head and neck preferring as other reviews have documented (4) cSCC exhibited greater female bias. CONCLUSION In this study, we documented insights from 663 cases (397 unique subjects) across a range of factors including age, laterality, site of presentation, and sex specific differences in incidence. The results of our analysis generally accord well with previous findings, replicating several of the most prominent results.
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Affiliation(s)
- Lawrence S Moy
- Dr. Moy and Mr. Hands are with the South Bay Institute of Clinical Research in Hermosa Beach, California
- Dr. Shitabata is with Harbor-UCLA Dermatology and David Geffen School of Medicine at UCLA
| | - Jacob M Hands
- Dr. Moy and Mr. Hands are with the South Bay Institute of Clinical Research in Hermosa Beach, California
- Dr. Shitabata is with Harbor-UCLA Dermatology and David Geffen School of Medicine at UCLA
| | - Paul K Shitabata
- Dr. Moy and Mr. Hands are with the South Bay Institute of Clinical Research in Hermosa Beach, California
- Dr. Shitabata is with Harbor-UCLA Dermatology and David Geffen School of Medicine at UCLA
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Veerabagu SA, Cheng B, Wang S, Etzkorn JR, Kilaru AS, Noe MH, Miller CJ, Sobanko JF, Shin TM, Higgins HW, McMurray SL, Krausz AE, Walker JL, Giordano CN. Rates of Opioid Prescriptions Obtained After Mohs Surgery: A Claims Database Analysis From 2009 to 2020. JAMA Dermatol 2021; 157:1299-1305. [PMID: 34550299 DOI: 10.1001/jamadermatol.2021.3468] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Importance To curtail the opioid epidemic, physicians have been advised to limit opioid prescriptions. Objective To characterize the frequency and changes over time (2009-2020) of opioid prescriptions following Mohs micrographic surgery. Design, Setting, and Participants This cross-sectional study using Optum Clinformatics DataMart (Optum CDM), a nationally representative insurance claims database, included patients aged 18 years and older who had Mohs micrographic surgery insurance claims in the Optum CDM database from 2009 to 2020. Data were analyzed from November 11, 2020, to March 30, 2021. Exposures Opioid prescription following Mohs surgery. Main Outcomes and Measures The primary outcome was the proportion of patients who underwent Mohs surgery and obtained an opioid prescription within 2 days of surgery. Secondary outcomes included type and opioid quantity prescribed. Results Among 358 012 patients with Mohs micrographic surgery claims (mean [SD] age, 69 [13] years; 205 609 [57.4%] were men), the proportion of patients obtaining an opioid prescription after Mohs micrographic surgery increased from 2009 (34.6%) to 2011 (39.6%). This proportion then declined each year, reaching a low of 11.7% in 2020 (27.9% absolute decrease from 2011 to 2020). Hydrocodone, codeine, oxycodone, and tramadol were the 4 most commonly prescribed opioids. By 2020, hydrocodone was obtained less (2009: 47.5%; 2011: 67.1%; 2020: 45.4%; 21.7% absolute decrease from 2011 to 2020) and tramadol was obtained more (2009: 1.6%; 2020: 27.9%; 26.3% absolute increase from 2009 to 2020). Conclusions and Relevance In this cross-sectional study of Mohs micrographic surgery claims, patients obtained fewer postsurgery opioid prescriptions over the study period, suggesting responsiveness of patients and dermatologic surgeons to public health concerns regarding the opioid epidemic. During this decline, prescriptions for hydrocodone decreased and tramadol increased.
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Affiliation(s)
| | - Brian Cheng
- University of South Carolina School of Medicine, Columbia
| | - Sonia Wang
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia
| | - Jeremy R Etzkorn
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
| | - Austin S Kilaru
- Department of Emergency Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia
| | - Megan H Noe
- Department of Dermatology, Brigham and Women's Hospital, Harvard School of Medicine, Boston, Massachusetts
| | - Christopher J Miller
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
| | - Joseph F Sobanko
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
| | - Thuzar M Shin
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
| | - H William Higgins
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
| | - Stacy L McMurray
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
| | - Aimee E Krausz
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
| | - Joanna L Walker
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
| | - Cerrene N Giordano
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
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Tang E, Fung K, Chan AW. Incidence and mortality rates of keratinocyte carcinoma from 1998-2017: a population-based study of sex differences in Ontario, Canada. CMAJ 2021; 193:E1516-E1524. [PMID: 34607845 PMCID: PMC8568084 DOI: 10.1503/cmaj.210595] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/21/2021] [Indexed: 01/10/2023] Open
Abstract
Background: Keratinocyte carcinoma is the most common malignant disease, but it is not captured in major registries. We aimed to describe differences by sex in the incidence and mortality rates of keratinocyte carcinoma in Ontario, Canada. Methods: We conducted a population-based retrospective study of adults residing in Ontario between Jan. 1, 1998, and Dec. 31, 2017, using linked health administrative databases. We identified the first diagnosis of keratinocyte carcinoma using a validated algorithm of health insurance claims, and deaths related to keratinocyte carcinoma from death certificates. We calculated the incidence and mortality rates of keratinocyte carcinoma, stratified by sex, age and income quintile. We evaluated trends using the average annual percentage change (AAPC) based on joinpoint regression. Results: After decreasing from 1998 to 2003, the incidence rate of keratinocyte carcinoma increased by 30% to 369 per 100 000 males and 345 per 100 000 females in 2017 (AAPC 1.9%, 95% confidence interval [CI] 1.7 to 2.1 from 2003 to 2017). The incidence rate was higher in females younger than 55 years, but higher in males aged 55 years or older. Between 2008 and 2017, the incidence rate rose faster in females than males aged 45–54 years (AAPC 1.2% v. 0.5%, p = 0.01) and 55–64 years (1.2% v. 0.1%, p < 0.01). The incidence was higher in males than females in the higher income quintiles. Between 1998 and 2017, the mortality rate of keratinocyte carcinoma was 1.8 times higher in males than females, on average, and rose 4.8-fold overall (AAPC 8.9%, 95% CI 6.4 to 11.4 in males; 8.0%, 95% CI 5.3–10.8 in females). Interpretation: The population burden of keratinocyte carcinoma is growing, and the incidence and mortality rates rose disproportionately among certain sex- and age-specific groups. This warrants further investigation into causal factors and renewed preventive public health measures.
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Affiliation(s)
- Evan Tang
- Faculty of Medicine (Tang), University of Toronto; ICES (Fung, Chan); Division of Dermatology, Department of Medicine (Tang, Chan), Women's College Research Institute, Women's College Hospital, Toronto, Ont
| | - Kinwah Fung
- Faculty of Medicine (Tang), University of Toronto; ICES (Fung, Chan); Division of Dermatology, Department of Medicine (Tang, Chan), Women's College Research Institute, Women's College Hospital, Toronto, Ont
| | - An-Wen Chan
- Faculty of Medicine (Tang), University of Toronto; ICES (Fung, Chan); Division of Dermatology, Department of Medicine (Tang, Chan), Women's College Research Institute, Women's College Hospital, Toronto, Ont.
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Kleinerman RA, Schonfeld SJ, Abramson DH, Francis JH, Seddon JM, Morton LM, Tucker MA. Increased risk of skin cancer in 1851 long-term retinoblastoma survivors. J Invest Dermatol 2021; 141:2849-2857.e3. [PMID: 34153328 DOI: 10.1016/j.jid.2021.05.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 11/24/2022]
Abstract
Hereditary retinoblastoma patients are at risk for developing cutaneous melanoma, but little is known about the role of sun exposure or other factors, and incidence of non-melanoma skin cancer (NMSC) is poorly understood. We investigated the incidence of melanoma and NMSC in a cohort of 1851 white, long-term retinoblastoma survivors (1020 hereditary and 831 nonhereditary) diagnosed from 1914-2006. During follow-up through 2016, 33 hereditary and 7 nonhereditary survivors developed melanoma, and 26 hereditary and 9 nonhereditary survivors developed NMSC. Most NMSC were on the head/neck whereas melanomas were more broadly distributed with patterns similar to melanoma-prone families. For both outcomes, median age at diagnosis was ∼20 years younger among hereditary than nonhereditary survivors. Fifty years following retinoblastoma diagnosis, the cumulative incidence in hereditary survivors was 4.5% for melanoma and 3.7% for NMSC; for nonhereditary survivors, it was 0.7% and 1.5%, respectively. Sun sensitivity and phenotypic characteristics generally did not vary by skin cancer status. Hereditary retinoblastoma survivors have an increased risk for melanoma and NMSC that occurred earlier compared with nonhereditary survivors, likely reflecting genetic factors. These findings among white retinoblastoma survivors support consensus-based recommendations for skin cancer screening and sun protection starting at young ages and continuing long-term.
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Affiliation(s)
- Ruth A Kleinerman
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD.
| | - Sara J Schonfeld
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD
| | - David H Abramson
- Ophthamic Oncology Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Jasmine H Francis
- Ophthamic Oncology Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Johanna M Seddon
- Department of Ophthalmology and Visual Sciences, University of Massachusetts, Worcester, MA
| | - Lindsay M Morton
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD
| | - Margaret A Tucker
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD
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