# Dose-staged Gamma Knife Radiosurgery Versus Microsurgical Resection

> **NCT04857905** · NA · UNKNOWN · sponsor: **Medical University of Vienna** · enrollment: 100 (estimated)

## Conditions studied

- Brain Metastases

## Interventions

- **PROCEDURE:** Microsurgical resection
- **PROCEDURE:** Gamma Knife radiosurgery

## Key facts

- **NCT ID:** NCT04857905
- **Lead sponsor:** Medical University of Vienna
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-07-01
- **Primary completion:** 2025-07-01
- **Final completion:** 2025-12-01
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2024-01-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04857905

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04857905, "Dose-staged Gamma Knife Radiosurgery Versus Microsurgical Resection". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04857905. Licensed CC0.

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