# Retinal Nerve Fiber Layer Thickness Changes in Migraine: A Meta-Analysis of Case-control Studies

> **NCT02196532** · — · UNKNOWN · sponsor: **Yifan Feng** · enrollment: 500 (estimated)

## Conditions studied

- Migraine

## Interventions

- **DEVICE:** Device: Optical coherence tomography

## Key facts

- **NCT ID:** NCT02196532
- **Lead sponsor:** Yifan Feng
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2014-07
- **Primary completion:** 2015-07
- **Final completion:** 2015-07
- **Target enrollment:** 500 (ESTIMATED)
- **Last updated:** 2014-07-22

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02196532

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02196532, "Retinal Nerve Fiber Layer Thickness Changes in Migraine: A Meta-Analysis of Case-control Studies". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT02196532. Licensed CC0.

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