Clinical Validation of the InterVenn Ovarian CAncer Liquid Biopsy

This is a prospective, international, multi-center, observational study with a goal of collecting de-identified samples and data from 1,200 women with a known pelvic mass. Participants will consent to baseline and follow-up data and biospecimen collections.

Inclusion criteria

• Women age 18 years or older
• Able to provide a written informed consent and who understand and agree to all study procedures required
• A newly diagnosed adnexal mass as confirmed by imaging (computed tomography, ultrasonography, or magnetic resonance imaging) prior to enrollment
• Planned diagnostic procedure or surgery by the subject's physician to remove adnexal masses within 90 days of imaging. (Note that diagnostic procedure typically includes biopsy (needle core or laparoscopic-directed), ascites cytology, pleural effusion cytology or FNA)

Exclusion criteria

• Had/Has a diagnosis of invasive malignancy (exception: non-melanoma skin cancers) in the previous 5 years.
• Currently receiving or ever received any of the following prior cancer therapies in the previous 5 years. This includes curative surgical resection, local or systemic chemotherapy, targeted therapy, immunotherapy including cancer vaccines, hormone therapy, and/or radiation therapy.
• Pregnancy
• Current febrile illness
• Acute exacerbation or flare of an inflammatory condition requiring escalation in therapy
• Recipient of organ transplant
• Poor health status or unfit to tolerate blood draw

In addition, this study will include a small subgroup of women with a newly diagnosed clinically benign adnexal mass(es) for whom surgery is not planned as determined by the treating physician. This subgroup will follow the same exclusion criteria as listed above.