# Relationship Between Serum Vitamin D Levels and Postherpetic Neuralgia.

> **NCT06232486** · — · ACTIVE_NOT_RECRUITING · sponsor: **Feng Gao** · enrollment: 144 (estimated)

## Conditions studied

- Postherpetic Neuralgia

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT06232486
- **Lead sponsor:** Feng Gao
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2023-12-01
- **Primary completion:** 2025-12-31
- **Final completion:** 2026-12-31
- **Target enrollment:** 144 (ESTIMATED)
- **Last updated:** 2024-01-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06232486

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06232486, "Relationship Between Serum Vitamin D Levels and Postherpetic Neuralgia.". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT06232486. Licensed CC0.

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