# A Retrospective Chart Review to Evaluate Diagnosis and Treatment of Chronic Migraine and Headache

> **NCT01946126** · — · COMPLETED · sponsor: **Allergan** · enrollment: 459 (actual)

## Conditions studied

- Migraine Disorders
- Headache

## Interventions

- **OTHER:** No Intervention

## Key facts

- **NCT ID:** NCT01946126
- **Lead sponsor:** Allergan
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2014-03
- **Primary completion:** 2014-04
- **Final completion:** 2014-04
- **Target enrollment:** 459 (ACTUAL)
- **Last updated:** 2016-03-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01946126

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01946126, "A Retrospective Chart Review to Evaluate Diagnosis and Treatment of Chronic Migraine and Headache". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT01946126. Licensed CC0.

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