# Rare CNS Tumors Outcomes &Risk

> **NCT03251989** · — · COMPLETED · sponsor: **National Cancer Institute (NCI)** · enrollment: 326 (actual)

## Conditions studied

- High Grade Meningioma
- Ependymoma
- Medulloblastoma
- PNET
- Primary CNS Sarcoma

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03251989
- **Lead sponsor:** National Cancer Institute (NCI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2017-08-21
- **Primary completion:** 2025-05-06
- **Final completion:** 2025-05-06
- **Target enrollment:** 326 (ACTUAL)
- **Last updated:** 2026-03-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03251989

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03251989, "Rare CNS Tumors Outcomes &Risk". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT03251989. Licensed CC0.

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