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The OVA1 Next Generation test is a qualitative serum test that combines the results of five immunoassays into a single numeric result. It is indicated for women who meet the following criteria: over age 18, ovarian adnexal mass present for which surgery is planned, and not yet referred to an oncologist. The OVA1 Next Generation test is an aid to further assess the likelihood that malignancy is present when the physician's independent clinical and radiological evaluation does not indicate malignancy. The test is not intended as a screening or stand-alone diagnostic assay.

The OVA1 Next Generation (NG) test consists of software, instruments, assays and reagents. The software incorporates the results of serum biomarker concentrations from five immunoassays to calculate a single, unitless numeric result indicating a low or high risk of ovarian malignancy. The assays used to generate the numeric result (OVA1 NG test result) are APO, CA 125 II, FSH, HE4 and TRF. Biomarker values are determined using assays on the Roche cobas® 6000 system, which is a fully automated, software-controlled system for clinical chemistry and immunoassay analysis. The biomarker assays are run according to the manufacturer's instructions as detailed in the package insert for each reagent. The OVA1 NG software (OvaCalc v4.0.0) contains a proprietary algorithm that utilizes the results (values) from the five biomarker assays, (APO, CA 125 II, FSH, HE4 and TRF). The assay values from the cobas 6000 system are either imported into OvaCalc through a .csv file or manually entered into the OvaCalc user interface to generate an OVA1 NG test result between 0.0 and 10.0. A low- or high-risk result is then determined by comparing the software-generated risk score to a single cutoff (low-risk result <5. high-risk result ≥5).