# Hearing Outcomes Using Fractionated Proton Radiation Therapy for Vestibular Schwannoma

> **NCT01199978** · PHASE2 · ACTIVE_NOT_RECRUITING · sponsor: **Massachusetts General Hospital** · enrollment: 30 (actual)

## Conditions studied

- Vestibular Schwannoma
- Acoustic Neuroma

## Interventions

- **RADIATION:** Fractionated proton radiation
- **DRUG:** Losartan

## Key facts

- **NCT ID:** NCT01199978
- **Lead sponsor:** Massachusetts General Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2011-03-08
- **Primary completion:** 2026-11
- **Final completion:** 2026-11
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2025-10-01

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01199978

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01199978, "Hearing Outcomes Using Fractionated Proton Radiation Therapy for Vestibular Schwannoma". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT01199978. Licensed CC0.

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