# Tomosynthesis (TS) or Ultrasound (US) in Mammography-negative Dense Breasts (TOMUS). National Multicenter Trial

> **NCT03033030** · — · UNKNOWN · sponsor: **University of Genova** · enrollment: 8000 (estimated)

## Conditions studied

- Breast Cancer

## Interventions

- **DIAGNOSTIC_TEST:** Ultrasound

## Key facts

- **NCT ID:** NCT03033030
- **Lead sponsor:** University of Genova
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2014-02
- **Primary completion:** 2018-09
- **Final completion:** 2021-09
- **Target enrollment:** 8000 (ESTIMATED)
- **Last updated:** 2017-01-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03033030

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03033030, "Tomosynthesis (TS) or Ultrasound (US) in Mammography-negative Dense Breasts (TOMUS). National Multicenter Trial". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT03033030. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*