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A real-world comparison of the clinical and economic utility of OVA1 and CA125 in assessing ovarian tumor malignancy risk.

Aim: This largest-of-its-kind study evaluated the clinical utility of CA125 and OVA1, commonly used as ovarian tumor markers for assessing the risk of malignancy. The research focused on the ability and utility of these tests to reliably predict patients at low risk for ovarian cancer. Clinical utility endpoints were 12-month maintenance of benign mass status, reduction in gynecologic oncologist referral, avoidable surgical interventionand associated cost savings. Materials& methods: This was a multicenter retrospective review of data from electronic medical records and administrative claims databases. Patients receiving a CA125 or OVA1 test between October2018 and September2020 were identified and followed for 12months using site-specific electronic medical records to assess tumor status and utilization outcomes. Propensity score adjustment was used to control for confounding variables. Payer allowed amounts from Merative MarketScan Research Databases were used to estimate 12-month episode-of-care costs per patient, including surgery and other interventions. Results: Among 290 low-risk OVA1 patients, 99.0% remained benign for 12months compared with 97.2% of 181 low-risk CA125 patients. The OVA1 cohort exhibited 75% lower odds of surgical intervention in the overall sample of patients (Adjusted OR: 0.251, p≤0.0001), and 63% lower odds of gynecologic oncologist utilization among premenopausal women (Adjusted OR: 0.37, p=0.0390) versus CA125. OVA1 demonstrated significant savings in surgical interventions ($2486, p≤0.0001) and total episode-of-care costs ($2621, p≤0.0001) versus CA125. Conclusion: This study underscores the utility of a reliably predictive multivariate assay for assessing ovarian cancer risk. For patients assessed at low risk of ovarian tumor malignancy, OVA1 is associated with a significant reduction in avoidable surgeries and substantial cost savings per patient. OVA1 is also associated with a significant reduction in subspecialty referrals for low-risk premenopausal patients.

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Vitamin D insufficiency and serum levels related to the incidence and stage of cutaneous melanoma: a systematic review and meta-analysis.

Cutaneous melanoma (CM) is the deadliest skin cancer, and vitamin D insufficiency has been suggested as a risk factor. We evaluated the relationship between both vitamin D insufficiency and 25-hydroxy vitamin D levels with the incidence and stage of CM. Five databases were searched from inception until 11 July 2022. Inclusion criteria were cohort and case-control studies that reported mean 25-hydroxy vitamin D levels or the presence of vitamin D insufficiency in CM patients and compared with healthy controls; or those that reported vitamin D insufficiency and Breslow tumor depth or the development of metastasis in CM. Fourteen studies were included in the analysis. Statistically significant relationships were found between vitamin D level <20 ng/dl and incidence of CM [pooled RR 1.45, 95% confidence interval (CI) 1.04-2.02]; lower mean vitamin D level and Breslow depth >1 mm (SMD 0.19, 95% CI 0.11-0.28); and vitamin D level >20 ng/dl and Breslow depth <1 mm (pooled RR 0.69, 95% CI 0.58-0.82). Statistical significance was not found in the relationships between vitamin D levels and the presence of metastasis (pooled SMD -0.13, 95% CI, -0.38 to 0.12); or mean vitamin D level and the incidence of CM (pooled SMD -0.39, 95% CI, -0.80 to 0.01). We identified an association of increased incidence of CM and vitamin D insufficiency, as well as less favorable Breslow tumor depth with lower levels of vitamin D and the presence of vitamin D insufficiency.

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