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Terminated Phase 2 Interventional Results available

Trial of Andexanet in Patients Receiving an Oral FXa Inhibitor Who Require Urgent Surgery

ClinicalTrials.gov ID: NCT04233073

Public ClinicalTrials.gov record NCT04233073. 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 23, 2026, 7:53 AM EDT

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

Official title

Prospective, Open-Label Clinical Study of Andexanet Alfa in Patients Receiving FXa (Activated Factor X) Inhibitor Who Require Urgent Surgery

Brief summary

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

Prospective, open-label clinical trial to evaluate the efficacy and safety of andexanet alfa patients who require urgent surgery that have been anticoagulated with the FXa (activated factor X) inhibitors.

Study identification

NCT ID
NCT04233073
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Enrollment
10 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 84 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
Jun 27, 2021 (Actual)
Primary completion
Nov 23, 2021 (Actual)
Completion
Jan 25, 2022 (Actual)
Last update posted
Mar 22, 2023

2021 – 2022

United States locations

U.S. sites
20
U.S. states
13
U.S. cities
18
Facility City State ZIP Site status
Clinical Trial Site Phoenix Arizona 85006 —
Clinical Trial Site Tucson Arizona 85724 —
Clinical Trial Site Long Beach California 90806 —
Clinical Trial Site Moreno Valley California 92555 —
Clinical Trial Site Washington D.C. District of Columbia 20037 —
Clinical Trial Site Sarasota Florida 34239 —
Clinical Trial Site Tampa Florida 33606 —
Clinical Trial Site Iowa City Iowa 52242 —
Clinical Trial Site Boston Massachusetts 02111 —
Clinical Trial Site Boston Massachusetts 02114 —
Clinical Trial Site Camden New Jersey 08103 —
Clinical Trial Site Staten Island New York 10305 —
Clinical Trial Site Charlotte North Carolina 28203 —
Clinical Trial Site Durham North Carolina 27710 —
Clinical Trial Site Columbus Ohio 43210 —
Clinical Trial Site Tulsa Oklahoma 74104 —
Clinical Trial Site Portland Oregon 97239 —
Clinical Trial Site Philadelphia Pennsylvania 19104 —
Clinical Trial Site Pittsburgh Pennsylvania 15212 —
Clinical Trial Site Pittsburgh Pennsylvania 15213 —

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 36 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04233073, 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 Mar 22, 2023 · Synced Oct 23, 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 NCT04233073 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →