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NCT04536038 · ClinicalTrials.gov registry record · NA
Framing Clinical Trial Enrollment for Patients With Peripheral Artery Disease
A NA study, sponsored by University of Pennsylvania.
- Completed
- Registry status
- NA
- Development phase
- 5,176
- Enrollment target
NCT04536038: Completed NA study, sponsored by University of Pennsylvania.
NCT04536038 is a NA study that has completed, run by University of Pennsylvania. The registered enrollment target is 5,176 participants, above the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (269% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04536038, a NA study, has completed, sponsored by University of Pennsylvania.
- COMPLETED
- Registry status
- NA
- Development phase
- 5,176 participants
- Enrollment target
Study Summary
It is uncertain whether opt-out framing will increase participation in a clinical trial intended to promote physical activity in patients with peripheral artery disease (PAD). This study will test whether opt-in or opt-out framing of study participation upon initial contact affects the proportion of patients who ultimately enroll in the study and the demographic characteristics of enrolled patients.
Primary Outcome
The proportion of patients that enroll in the GAMEPAD intervention study
Interventions
- BEHAVIORAL Opt-out
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 5,176 participants |
| Start Date | 2020-10-05 |
| Est. Completion | 2024-01-08 |
| Phase | NA |
What the finished NCT04536038 record still lists
NCT04536038 is an interventional study that assigns participants to a tested intervention. Its 5,176 participants enrollment target places it among the larger protocols in the corpus, above the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (269% higher).
The record links to 0 conditions, and to 1 intervention - of which Opt-out is the first listed.
NCT04536038 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04536038 about?
NCT04536038 is a clinical study titled "Framing Clinical Trial Enrollment for Patients With Peripheral Artery Disease". It is uncertain whether opt-out framing will increase participation in a clinical trial intended to promote physical activity in patients with peripheral artery disease (PAD). This study will test whether opt-in or opt-out framing of study participation upon initial contact affects the proportion of...
What is the current status of trial NCT04536038?
This trial is currently completed. It is a NA study. The enrollment target is 5,176 participants. The study started on 2020-10-05. Estimated completion is 2024-01-08.
What interventions are being tested in trial NCT04536038?
The interventions under investigation include: Opt-out (BEHAVIORAL).
Who is sponsoring clinical trial NCT04536038?
This trial is sponsored by University of Pennsylvania, which has 1,423 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04536038's enrollment target sits among peer trials
5,176 25th of 2000 higher than 1,976 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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