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NCT01934582 · ClinicalTrials.gov registry record · Phase 3

A Pharmacokinetic Substudy of the TDE-PH-304 Protocol

A Phase 3 study, sponsored by United Therapeutics.

Completed
Registry status
Phase 3
Development phase
13
Enrollment target

NCT01934582: Completed Phase 3 study, sponsored by United Therapeutics.

NCT01934582 is a Phase 3 study that has completed, run by United Therapeutics. The registered enrollment target is 13 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01934582, a Phase 3 study, has completed, sponsored by United Therapeutics.

COMPLETED
Registry status
Phase 3
Development phase
13 participants
Enrollment target

Study Summary

A sub-study to the TDE-PH-304 protocol to assess the pharmacokinetics of patients transitioning from a twice daily dosing regimen of oral treprostinil to a three times daily dosing regimen.

Primary Outcome

The PK sampling occurred over a 12-hour period in subjects during BID dosing (PK Visit 1) and during TID dosing (PK Visit 2). Prior to each PK sampling day, subjects must have been receiving a stable dose for at least 5 days.

Interventions

  • DRUG UT-15C SR
  • DRUG treprostinil diethanolamine

Trial Details

FieldValue
Enrollment Target 13 participants
Start Date 2013-08
Est. Completion 2013-11
Phase Phase 3
United Therapeutics

63 total trials

What the finished NCT01934582 record still lists

NCT01934582 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 13 participants, a relatively small participant target, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (98% lower).

The record links to 0 conditions, and to 2 interventions - of which UT-15C SR is the first listed.

NCT01934582 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01934582 about?

NCT01934582 is a clinical study titled "A Pharmacokinetic Substudy of the TDE-PH-304 Protocol". A sub-study to the TDE-PH-304 protocol to assess the pharmacokinetics of patients transitioning from a twice daily dosing regimen of oral treprostinil to a three times daily dosing regimen.

What is the current status of trial NCT01934582?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 13 participants. The study started on 2013-08. Estimated completion is 2013-11.

What interventions are being tested in trial NCT01934582?

The interventions under investigation include: UT-15C SR (DRUG), treprostinil diethanolamine (DRUG).

Who is sponsoring clinical trial NCT01934582?

This trial is sponsored by United Therapeutics, which has 63 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01934582's enrollment target sits among peer trials

13 1984th of 2000 higher than 17 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 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 NCT01934582, the US trial registry maintained by the National Library of Medicine. NCT01934582 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.