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NCT01305252 · ClinicalTrials.gov registry record · Phase 4

A 48-week Study of the Effect of Dual Therapy (Inhaled Treprostinil and Tadafafil) Versus Monotherapy (Tadalafil).

A Phase 4 study, sponsored by Stanford University.

Completed
Registry status
Phase 4
Development phase
21
Enrollment target

NCT01305252: Completed Phase 4 study, sponsored by Stanford University.

NCT01305252 is a Phase 4 study that has completed, run by Stanford University. The registered enrollment target is 21 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (96% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

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The verdict

NCT01305252, a Phase 4 study, has completed, sponsored by Stanford University.

COMPLETED
Registry status
Phase 4
Development phase
21 participants
Enrollment target

Study Summary

The Study Hypothesis: Aggressive, upfront, dual therapy for treatment-naïve NYHA I/II/III PAH is superior to a traditional "step-up" approach. The study will evaluate: 1. Impact of dual, upfront, therapy on cardiovascular parameters in PAH as gauged by cardiac magnetic resonance imaging (cMRI) at 24 weeks and event free survival at outcome at 48 weeks. 2. Value of novel biomarkers (NT-pro BNP, Mts1/S100A4, and insulin resistance) and cutting-edge imaging technologies (cardiac MRI) as newer endpoints for clinical trials in PAH. 3. Utility of longer clinical trial design with the use of combined clinical events as time to clinical worsening surrogate

Primary Outcome

Effect of dual-upfront therapies versus mono-therapy on percent change of right ventricular function assesed by cardiac MRI (cMRI) at 24 weeks compared with the baseline.

Interventions

  • DRUG tadalafil
  • DRUG treprostinil inhalations

Trial Details

FieldValue
Enrollment Target 21 participants
Start Date 2010-07
Est. Completion 2014-09
Phase Phase 4
Stanford University

1,744 total trials

What the finished NCT01305252 record still lists

NCT01305252 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 21 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (96% lower).

The record links to 0 conditions, and to 2 interventions - of which tadalafil is the first listed.

NCT01305252 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01305252 about?

NCT01305252 is a clinical study titled "A 48-week Study of the Effect of Dual Therapy (Inhaled Treprostinil and Tadafafil) Versus Monotherapy (Tadalafil).". The Study Hypothesis: Aggressive, upfront, dual therapy for treatment-naïve NYHA I/II/III PAH is superior to a traditional "step-up" approach. The study will evaluate: 1. Impact of dual, upfront, therapy on cardiovascular parameters in PAH as gauged by cardiac magnetic resonance imaging (cMRI) at...

What is the current status of trial NCT01305252?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 21 participants. The study started on 2010-07. Estimated completion is 2014-09.

What interventions are being tested in trial NCT01305252?

The interventions under investigation include: tadalafil (DRUG), treprostinil inhalations (DRUG).

Who is sponsoring clinical trial NCT01305252?

This trial is sponsored by Stanford University, which has 1,744 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01305252's enrollment target sits among peer trials

21 1742nd of 2000 higher than 248 of 2,000 other Phase 4 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 4 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 NCT01305252, the US trial registry maintained by the National Library of Medicine. NCT01305252 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.