# Contrast-enhanced vs. B-mode Ultrasound-guided Percutaneous Biopsy of Retroperitoneal Tumors

> **NCT05659433** · NA · COMPLETED · sponsor: **Iuliu Hatieganu University of Medicine and Pharmacy** · enrollment: 160 (actual)

## Conditions studied

- Retroperitoneal Neoplasms

## Interventions

- **PROCEDURE:** CEUS-guided percutaneous biopsy
- **PROCEDURE:** B-mode US-guided percutaneous biopsy

## Key facts

- **NCT ID:** NCT05659433
- **Lead sponsor:** Iuliu Hatieganu University of Medicine and Pharmacy
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2015-01-01
- **Primary completion:** 2022-09-15
- **Final completion:** 2022-11-30
- **Target enrollment:** 160 (ACTUAL)
- **Last updated:** 2022-12-21

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05659433

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05659433, "Contrast-enhanced vs. B-mode Ultrasound-guided Percutaneous Biopsy of Retroperitoneal Tumors". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT05659433. Licensed CC0.

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