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NCT04548765 · ClinicalTrials.gov registry record · NA
Evaluation of Letters Promoting Colorectal Cancer Testing
A NA study, sponsored by Geisinger Clinic.
- Completed
- Registry status
- NA
- Development phase
- 14,644
- Enrollment target
NCT04548765: Completed NA study, sponsored by Geisinger Clinic.
NCT04548765 is a NA study that has completed, run by Geisinger Clinic. The registered enrollment target is 14,644 participants, above the 1,403-participant average among 58,714 other NA trials with a reported enrollment target (944% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04548765, a NA study, has completed, sponsored by Geisinger Clinic.
- COMPLETED
- Registry status
- NA
- Development phase
- 14,644 participants
- Enrollment target
Study Summary
In this evaluation, 4 different versions of letters are being sent with mailers promoting colorectal cancer screening with an at-home test. The researchers hypothesize that the use of behavioral nudges in the message should lead to increased colorectal cancer screening (either with the at-home test or a colonoscopy).
Primary Outcome
Binary variable indicating whether a valid FIT kit was returned for testing
Interventions
- BEHAVIORAL Letter
- BEHAVIORAL Loss Frame and Fear Appeals
- BEHAVIORAL Transparency
- BEHAVIORAL Default Effect and Presentation of Alternatives
- BEHAVIORAL Enhanced Fear Appeals and Decoy Effect
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 14,644 participants |
| Start Date | 2020-07-24 |
| Est. Completion | 2021-07-23 |
| Phase | NA |
What the finished NCT04548765 record still lists
NCT04548765 is an interventional study that assigns participants to a tested intervention. Its 14,644 participants enrollment target places it among the larger protocols in the corpus, above the 1,403-participant average among 58,714 other NA trials with a reported enrollment target (944% higher).
The record links to 0 conditions, and to 5 interventions - of which Letter is the first listed.
NCT04548765 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04548765 about?
NCT04548765 is a clinical study titled "Evaluation of Letters Promoting Colorectal Cancer Testing". In this evaluation, 4 different versions of letters are being sent with mailers promoting colorectal cancer screening with an at-home test. The researchers hypothesize that the use of behavioral nudges in the message should lead to increased colorectal cancer screening (either with the at-home test ...
What is the current status of trial NCT04548765?
This trial is currently completed. It is a NA study. The enrollment target is 14,644 participants. The study started on 2020-07-24. Estimated completion is 2021-07-23.
What interventions are being tested in trial NCT04548765?
The interventions under investigation include: Letter (BEHAVIORAL), Loss Frame and Fear Appeals (BEHAVIORAL), Transparency (BEHAVIORAL), Default Effect and Presentation of Alternatives (BEHAVIORAL), Enhanced Fear Appeals and Decoy Effect (BEHAVIORAL).
Who is sponsoring clinical trial NCT04548765?
This trial is sponsored by Geisinger Clinic, which has 107 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04548765's enrollment target sits among peer trials
14,644 13th of 2000 higher than 1,988 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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