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Completed Phase 2 Interventional Results available

Phase 2 Efficacy, Safety, and Tolerability Study of Natalizumab in Focal Epilepsy

ClinicalTrials.gov ID: NCT03283371

Public ClinicalTrials.gov record NCT03283371. 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 23, 2026, 10:49 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 Randomized, Double-Blind, Placebo-Controlled, Phase 2 Study Exploring the Efficacy, Safety, and Tolerability of Natalizumab (BG00002) as Adjunctive Therapy in Adult Subjects With Drug-Resistant Focal Epilepsy

Study identification

NCT ID
NCT03283371
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Biogen
Industry
Enrollment
67 participants

Conditions and interventions

Interventions

  • Natalizumab Drug
  • Placebo Other

Drug · Other

Eligibility (public fields only)

Age range
18 Years to 75 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
Mar 19, 2018
Primary completion
Jan 10, 2020
Completion
Nov 17, 2020
Last update posted
Dec 13, 2021

2018 – 2020

United States locations

U.S. sites
31
U.S. states
19
U.S. cities
29
Facility City State ZIP Site status
Research Site Birmingham Alabama 35294
Research Site Phoenix Arizona 85004
Research Site Phoenix Arizona 85054
Research Site San Diego California 92103
Research Site Santa Monica California 90404
Research Site Washington D.C. District of Columbia 20037
Research Site Jacksonville Florida 32209
Research Site Maitland Florida 32751
Research Site Orlando Florida 32803
Research Site Tallahassee Florida 32308
Research Site Tampa Florida 33606
Research Site Honolulu Hawaii 96817
Research Site Chicago Illinois 60612
Research Site Bethesda Maryland 20817
Research Site Chevy Chase Maryland 20815
Research Site Boston Massachusetts 02111
Research Site Boston Massachusetts 02115
Research Site Saginaw Michigan 48602
Research Site St Louis Missouri 63110
Research Site Camden New Jersey 08103
Research Site Rochester New York 14642
Research Site Syracuse New York 13210
Research Site The Bronx New York 10467
Research Site Asheville North Carolina 28806
Research Site Chapel Hill North Carolina 27514
Research Site Durham North Carolina 27705
Research Site Akron Ohio 44320
Research Site Philadelphia Pennsylvania 19104
Research Site Charleston South Carolina 29425
Research Site Dallas Texas 75390
Research Site Renton Washington 98055

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03283371, 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 Dec 13, 2021 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03283371 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →