# Transvaginal Ultrasonography as a Screening Method for Ovarian Cancer

> **NCT04473833** · NA · RECRUITING · sponsor: **John R van Nagell** · enrollment: 65000 (estimated)

## Conditions studied

- Ovarian Cancer

## Interventions

- **PROCEDURE:** Serial Transvaginal Ultrasonography

## Key facts

- **NCT ID:** NCT04473833
- **Lead sponsor:** John R van Nagell
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 1988-12-19
- **Primary completion:** 2026-12-31
- **Final completion:** 2026-12-31
- **Target enrollment:** 65000 (ESTIMATED)
- **Last updated:** 2025-11-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04473833

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04473833, "Transvaginal Ultrasonography as a Screening Method for Ovarian Cancer". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04473833. Licensed CC0.

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