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Completed Phase 2 Interventional Results available

Study to Evaluate the Efficacy and Safety of AMG 301 in Migraine Prevention

ClinicalTrials.gov ID: NCT03238781

Public ClinicalTrials.gov record NCT03238781. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 12:11 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2a Randomized Double-blind Placebo Controlled Study to Evaluate the Efficacy and Safety of AMG 301 in Migraine Prevention

Study identification

NCT ID
NCT03238781
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Amgen
Industry
Enrollment
343 participants

Conditions and interventions

Interventions

  • Placebo Drug
  • AMG 301 Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 60 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 5, 2017
Primary completion
Oct 15, 2018
Completion
Feb 3, 2019
Last update posted
Feb 6, 2020

2017 – 2019

United States locations

U.S. sites
21
U.S. states
13
U.S. cities
21
Facility City State ZIP Site status
Research Site Long Beach California 90806
Research Site Santa Monica California 90404
Research Site Boulder Colorado 80301
Research Site East Hartford Connecticut 06118
Research Site Stamford Connecticut 06905
Research Site Jacksonville Florida 32216
Research Site Orlando Florida 32801
Research Site West Palm Beach Florida 33407
Research Site Worcester Massachusetts 01605
Research Site Ann Arbor Michigan 48104
Research Site City of Saint Peters Missouri 63303
Research Site St Louis Missouri 63141
Research Site Plainview New York 11803
Research Site Greensboro North Carolina 27405
Research Site Cleveland Ohio 44195
Research Site Memphis Tennessee 38119
Research Site Nashville Tennessee 37203
Research Site Austin Texas 78731
Research Site Dallas Texas 75214
Research Site Round Rock Texas 78681
Research Site Salt Lake City Utah 84109

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 28 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03238781, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 6, 2020 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03238781 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →