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Completed Phase 3 Interventional Results available

A Study to Evaluate Efficacy and Safety of Oral BAY63-2521 in Patients With CTEPH.

ClinicalTrials.gov ID: NCT00855465

Public ClinicalTrials.gov record NCT00855465. 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 Sep 6, 2026, 4:41 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

Randomized, Double-blind, Placebo-controlled, Multi-centre, Multi-national Study to Evaluate the Efficacy and Safety of Oral BAY63-2521 (1 mg, 1.5 mg, 2 mg, or 2.5 mg Tid) in Patients With Chronic Thromboembolic Pulmonary Hypertension (CTEPH)

Brief summary

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

The aim of the study is to assess the efficacy and safety of different doses of BAY63-2521, given orally for 16 weeks, in patients with Chronic Thromboembolic Pulmonary Hypertension (CTEPH).

Study identification

NCT ID
NCT00855465
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Bayer
Industry
Enrollment
262 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 80 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
Feb 22, 2009
Primary completion
Jun 26, 2012
Completion
Jun 26, 2012
Last update posted
Nov 20, 2023

2009 – 2012

United States locations

U.S. sites
9
U.S. states
7
U.S. cities
9
Facility City State ZIP Site status
Not listed La Jolla California 92093
Not listed Sacramento California 95817
Not listed Miami Florida 33136
Not listed Iowa City Iowa 52242
Not listed Baltimore Maryland 21205
Not listed Boston Massachusetts 02118
Not listed Cleveland Ohio 44195
Not listed Columbus Ohio 43221
Not listed Dallas Texas 75390

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 80 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00855465, 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 Nov 20, 2023 · Synced Sep 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00855465 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →