# Targeting Spreading Depolarization After Chronic Subdural Hematoma Surgery (TASD)

> **NCT04966546** · EARLY_PHASE1 · WITHDRAWN · sponsor: **University of New Mexico**

## Conditions studied

- Chronic Subdural Hematoma

## Interventions

- **DRUG:** Memantine Hydrochloride
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04966546
- **Lead sponsor:** University of New Mexico
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2022-06-01
- **Primary completion:** 2025-12-01
- **Final completion:** 2025-12-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Loss of Departmental support
- **Last updated:** 2026-02-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04966546

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04966546, "Targeting Spreading Depolarization After Chronic Subdural Hematoma Surgery (TASD)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04966546. Licensed CC0.

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