Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT03700320 · ClinicalTrials.gov registry record · Phase 3

Study to Evaluate the Safety and Tolerability of Treatment With Atogepant 60 mg Daily for the Prevention of Migraine in Participants With Episodic Migraine

A Phase 3 study, sponsored by Allergan.

Completed
Registry status
Phase 3
Development phase
744
Enrollment target

NCT03700320: Completed Phase 3 study, sponsored by Allergan.

NCT03700320 is a Phase 3 study that has completed, run by Allergan. The registered enrollment target is 744 participants, roughly in line with the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT03700320, a Phase 3 study, has completed, sponsored by Allergan.

COMPLETED
Registry status
Phase 3
Development phase
744 participants
Enrollment target

Study Summary

This study will evaluate safety and tolerability of treatment with atogepant for the prevention of episodic migraine over the course of one year.

Primary Outcome

An adverse event (AE) is any untoward medical occurrence in a patient or clinical investigation participant administered a pharmaceutical product and which does not necessarily have a causal relationship with this treatment. An AE can therefore be any unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal (investigational) product, whether or not related to the medicinal (investigational) product. A TEAE is an AE that occ

Interventions

  • DRUG Atogepant
  • DRUG Standard of Care (SOC) Migraine Preventive Medication

Trial Details

FieldValue
Enrollment Target 744 participants
Start Date 2018-10-08
Est. Completion 2020-05-21
Phase Phase 3
Allergan

314 total trials

What the finished NCT03700320 record still lists

NCT03700320 is an interventional study that assigns participants to a tested intervention. The registered 744 participants enrollment target is mid-sized for trials with a published cap, roughly in line with the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target.

The record links to 0 conditions, and to 2 interventions - of which Atogepant is the first listed.

NCT03700320 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03700320 about?

NCT03700320 is a clinical study titled "Study to Evaluate the Safety and Tolerability of Treatment With Atogepant 60 mg Daily for the Prevention of Migraine in Participants With Episodic Migraine". This study will evaluate safety and tolerability of treatment with atogepant for the prevention of episodic migraine over the course of one year.

What is the current status of trial NCT03700320?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 744 participants. The study started on 2018-10-08. Estimated completion is 2020-05-21.

What interventions are being tested in trial NCT03700320?

The interventions under investigation include: Atogepant (DRUG), Standard of Care (SOC) Migraine Preventive Medication (DRUG).

Who is sponsoring clinical trial NCT03700320?

This trial is sponsored by Allergan, which has 314 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03700320's enrollment target sits among peer trials

744 475th of 2000 higher than 1,525 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT05619185 · 744 participants · NA

    A SMART Evaluation of an Adaptive Web-based AUD Treatment for Service Members and Their Partners

  • NCT06417814 · 744 participants · Phase 3

    A Study to Investigate the Efficacy and Safety of Dato-DXd With or Without Osimertinib Compared With Platinum Based Doublet Chemotherapy in Participants With EGFR-Mutated Locally Advanced or Metastatic Non-Small Cell Lung Cancer

  • NCT07046351 · 744 participants · NA

    weSIPsmarter: Evaluating a Digital Health Intervention Aimed at Reducing Sugary Drinks Among Rural Head Start Preschoolers and Their Parents

  • NCT07199569 · 744 participants · Phase 2

    Comparability Trial of the MVA-BN Vaccine Manufactured in Different Production Cells

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT03700320, the US trial registry maintained by the National Library of Medicine. NCT03700320 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.