# Intraoperative Sonographically Versus Fluorescence-guided Resection of Contrast-enhancing Gliomas and Brain Metastases

> **NCT05475522** · NA · SUSPENDED · sponsor: **Sklifosovsky Institute of Emergency Care** · enrollment: 134 (estimated)

## Conditions studied

- Gliomas, Malignant
- Metastases to Brain

## Interventions

- **DEVICE:** Ultrasound guided brain tumor resection
- **DEVICE:** 5-aminolevulinic acid fluorescence-guided brain tumor resection

## Key facts

- **NCT ID:** NCT05475522
- **Lead sponsor:** Sklifosovsky Institute of Emergency Care
- **Sponsor class:** OTHER_GOV
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** SUSPENDED
- **Start date:** 2022-09-01
- **Primary completion:** 2027-08-31
- **Final completion:** 2027-08-31
- **Target enrollment:** 134 (ESTIMATED)
- **Why stopped:** technical issues
- **Last updated:** 2025-05-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05475522

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05475522, "Intraoperative Sonographically Versus Fluorescence-guided Resection of Contrast-enhancing Gliomas and Brain Metastases". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT05475522. Licensed CC0.

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