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NCT01948518 · ClinicalTrials.gov registry record · NA

Effect of Sildenafil on Diffusion Capacity in Patients With PH and Parenchymal Lung Disease

A NA study, sponsored by The Cleveland Clinic.

Completed
Registry status
NA
Development phase
15
Enrollment target

NCT01948518: Completed NA study, sponsored by The Cleveland Clinic.

NCT01948518 is a NA study that has completed, run by The Cleveland Clinic. The registered enrollment target is 15 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (99% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01948518, a NA study, has completed, sponsored by The Cleveland Clinic.

COMPLETED
Registry status
NA
Development phase
15 participants
Enrollment target

Study Summary

The purpose of this study was to investigate the acute effects of sildenafil on diffusion capacity, a commonly performed pulmonary function test, which is used to assess the lungs' gas exchange capability. This study does not assess safety or efficacy of the drug. The study does not have clinical end points. The variables studied are diffusion capacity and 6 minute walk after a single dose of sildenafil. This study has been completed.

Primary Outcome

Determine the acute effect of oral sildenafil on diffusion capacity in patients with diffuse parenchymal lung disease and concomitant pulmonary hypertension

Interventions

  • DRUG Oral sildenafil 20 mg

Trial Details

FieldValue
Enrollment Target 15 participants
Start Date 2009-06
Est. Completion 2012-06
Phase NA
The Cleveland Clinic

688 total trials

What the finished NCT01948518 record still lists

NCT01948518 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 15 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (99% lower).

The record links to 0 conditions, and to 1 intervention - of which Oral sildenafil 20 mg is the first listed.

NCT01948518 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01948518 about?

NCT01948518 is a clinical study titled "Effect of Sildenafil on Diffusion Capacity in Patients With PH and Parenchymal Lung Disease". The purpose of this study was to investigate the acute effects of sildenafil on diffusion capacity, a commonly performed pulmonary function test, which is used to assess the lungs' gas exchange capability. This study does not assess safety or efficacy of the drug. The study does not have clinical e...

What is the current status of trial NCT01948518?

This trial is currently completed. It is a NA study. The enrollment target is 15 participants. The study started on 2009-06. Estimated completion is 2012-06.

What interventions are being tested in trial NCT01948518?

The interventions under investigation include: Oral sildenafil 20 mg (DRUG).

Who is sponsoring clinical trial NCT01948518?

This trial is sponsored by The Cleveland Clinic, which has 688 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01948518's enrollment target sits among peer trials

15 1881st of 2000 higher than 92 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT01948518, the US trial registry maintained by the National Library of Medicine. NCT01948518 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.