# An Observation Study on Neuropsychology and Serum Melatonin Level in Patients With Medication Overuse Headache

> **NCT03655184** · — · UNKNOWN · sponsor: **The First Affiliated Hospital with Nanjing Medical University** · enrollment: 90 (estimated)

## Conditions studied

- Medication Overuse Headache

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03655184
- **Lead sponsor:** The First Affiliated Hospital with Nanjing Medical University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2017-09-10
- **Primary completion:** 2019-06-30
- **Final completion:** 2019-06-30
- **Target enrollment:** 90 (ESTIMATED)
- **Last updated:** 2019-06-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03655184

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03655184, "An Observation Study on Neuropsychology and Serum Melatonin Level in Patients With Medication Overuse Headache". Retrieved via AI Analytics 2026-06-15 from https://api.ai-analytics.org/clinical/NCT03655184. Licensed CC0.

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