Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT05454930 · ClinicalTrials.gov registry record · NA

Effect of Commute Traffic on Vascular Function

A NA study, sponsored by University of Washington.

Completed
Registry status
NA
Development phase
16
Enrollment target

NCT05454930: Completed NA study, sponsored by University of Washington.

NCT05454930 is a NA study that has completed, run by University of Washington. The registered enrollment target is 16 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.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT05454930, a NA study, has completed, sponsored by University of Washington.

COMPLETED
Registry status
NA
Development phase
16 participants
Enrollment target

Study Summary

The investigators will assess the vascular effects of riding in a car in heavily trafficked roadways, and whether filtering the car's air reduces those effects.

Primary Outcome

Ultrasound assessment of brachial artery diameter, in millimeters.

Interventions

  • OTHER Filtered Air

Trial Details

FieldValue
Enrollment Target 16 participants
Start Date 2015-01
Est. Completion 2016-12
Phase NA
University of Washington

1,048 total trials

What the finished NCT05454930 record still lists

NCT05454930 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 16 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 Filtered Air is the first listed.

NCT05454930 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05454930 about?

NCT05454930 is a clinical study titled "Effect of Commute Traffic on Vascular Function". The investigators will assess the vascular effects of riding in a car in heavily trafficked roadways, and whether filtering the car's air reduces those effects.

What is the current status of trial NCT05454930?

This trial is currently completed. It is a NA study. The enrollment target is 16 participants. The study started on 2015-01. Estimated completion is 2016-12.

What interventions are being tested in trial NCT05454930?

The interventions under investigation include: Filtered Air (OTHER).

Who is sponsoring clinical trial NCT05454930?

This trial is sponsored by University of Washington, which has 1,048 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05454930's enrollment target sits among peer trials

16 1871st of 2000 higher than 120 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

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT02422641 · 16 participants · Phase 2

    Prospective Evaluation Of High-Dose Systemic Methotrexate In Patients With Breast Cancer And Leptomeningeal Metastasis

  • NCT02851758 · 16 participants · NA

    Transplantation of Autologously Derived Mitochondria Following Ischemia

  • NCT03291028 · 16 participants

    Analysis of Primary and Metastatic Tumors in Patients With Renal Cell Carcinoma and Urothelial Carcinoma

  • NCT03425526 · 16 participants · Phase 1

    Donor T Cell Therapy in Treating Immunocompromised Patients With Adenovirus-Related Disease

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT05454930, the US trial registry maintained by the National Library of Medicine. NCT05454930 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.