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Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Bimekizumab in Subjects With Active Ankylosing Spondylitis

ClinicalTrials.gov ID: NCT03928743

Public ClinicalTrials.gov record NCT03928743. 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 Oct 21, 2026, 12:45 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 3, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Efficacy and Safety of Bimekizumab in Subjects With Active Ankylosing Spondylitis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of the study is to demonstrate the efficacy, safety and tolerability of bimekizumab administered subcutaneously (sc) compared to placebo in the treatment of subjects with active ankylosing spondylitis (AS).

Study identification

NCT ID
NCT03928743
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
UCB Biopharma SRL
Industry
Enrollment
332 participants

Conditions and interventions

Interventions

Drug · Other

Eligibility (public fields only)

Age range
18 Years and older
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
Apr 25, 2019 (Actual)
Primary completion
Sep 3, 2021 (Actual)
Completion
Aug 8, 2022 (Actual)
Last update posted
Sep 25, 2026

2019 – 2022

United States locations

U.S. sites
14
U.S. states
9
U.S. cities
13
Facility City State ZIP Site status
As0011 50131 Mesa Arizona 85210 —
As0011 50052 Phoenix Arizona 85032 —
As0011 50058 Phoenix Arizona 85037 —
As0011 50062 Sun City Arizona 85351 —
As0011 50060 Upland California 91786 —
As0011 50056 Sarasota Florida 34239 —
As0011 50015 Hagerstown Maryland 21740 —
As0011 50016 St Louis Missouri 63141 —
As0011 50054 Oklahoma City Oklahoma 73103 —
As0011 50020 Duncansville Pennsylvania 16635 —
As0011 50001 Jackson Tennessee 38305 —
As0011 50012 Memphis Tennessee 38119 —
As0011 50057 Dallas Texas 75231 —
As0011 50036 Mesquite Texas 75150 —

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 69 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03928743, 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 Sep 25, 2026 · Synced Oct 21, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03928743 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →