# The Study on the Esketamine in the Treatment of Postherpetic Neuralgia

> **NCT04664530** · PHASE4 · UNKNOWN · sponsor: **Second Affiliated Hospital, School of Medicine, Zhejiang University** · enrollment: 48 (estimated)

## Conditions studied

- Postherpetic Neuralgia
- Esketamine

## Interventions

- **DRUG:** esketamine
- **DRUG:** Saline

## Key facts

- **NCT ID:** NCT04664530
- **Lead sponsor:** Second Affiliated Hospital, School of Medicine, Zhejiang University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-11-25
- **Primary completion:** 2022-06-01
- **Final completion:** 2023-12-01
- **Target enrollment:** 48 (ESTIMATED)
- **Last updated:** 2020-12-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04664530

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04664530, "The Study on the Esketamine in the Treatment of Postherpetic Neuralgia". Retrieved via AI Analytics 2026-05-30 from https://api.ai-analytics.org/clinical/NCT04664530. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*