# A Multicenter Study to Evaluate the Efficacy of a 91-Day Extended Cycle Oral Contraceptive for Menstrually-Related Migraine Headaches

> **NCT00781456** · PHASE2 · COMPLETED · sponsor: **Duramed Research** · enrollment: 109 (actual)

## Conditions studied

- Migraine

## Interventions

- **DRUG:** 91-day Levonorgestrel Oral Contraceptive
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00781456
- **Lead sponsor:** Duramed Research
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-01
- **Primary completion:** 2011-08
- **Final completion:** 2011-08
- **Target enrollment:** 109 (ACTUAL)
- **Last updated:** 2017-02-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00781456

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00781456, "A Multicenter Study to Evaluate the Efficacy of a 91-Day Extended Cycle Oral Contraceptive for Menstrually-Related Migraine Headaches". Retrieved via AI Analytics 2026-06-10 from https://api.ai-analytics.org/clinical/NCT00781456. Licensed CC0.

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