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Completed Phase 2 Interventional Results available

Study of Cardiovascular Disease and Obstructive Sleep Apnea

ClinicalTrials.gov ID: NCT01637623

Public ClinicalTrials.gov record NCT01637623. 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 9, 2026, 11:12 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

Pharmacologic Interventions for Cardiovascular Disease in Obstructive Sleep Apnea

Brief summary

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

The purpose of this study is to determine if two medicines (allopurinol and losartan) can influence heart and blood vessel health compared to placebo in patients with sleep apnea who are using continuous positive airway pressure (CPAP).

Study identification

NCT ID
NCT01637623
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
87 participants

Conditions and interventions

Eligibility (public fields only)

Age range
21 Years to 65 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
May 31, 2012
Primary completion
May 31, 2015
Completion
May 31, 2015
Last update posted
Aug 13, 2020

2012 – 2015

United States locations

U.S. sites
4
U.S. states
1
U.S. cities
4
Facility City State ZIP Site status
Aurora Bay Care Green Bay Wisconsin 54308
Gundersen Lutheran La Crosse Wisconsin 54601
University of Wisconsin Madison Madison Wisconsin 53705
Marshfield Clinic Marshfield Wisconsin 54449

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 NCT01637623, 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 Aug 13, 2020 · Synced Sep 9, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01637623 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →