At a glance
ClinicalIndex Comparison RecordN/ACompleted· 139,503 enrolled
Drug / intervention
Reminderbehavioral
Likely dose
Not stated in record
Key inclusion· 5
- ✓Aged 18 or older as of October 2022
- ✓Active Geisinger patient with ≥1 encounter in the last 2 years as of October 2022
- ✓Has an assigned Geisinger PCP in Community Medicine, Pediatrics, or Internal Medicine, OR completed an appointment in an approved specialty within the last 2 years
- ✓Has NOT received a flu shot during the 2022–23 flu season as of ~1 week prior to message date
Key exclusion· 5
- ✕Allergy to flu vaccine documented in any EHR allergy table
- ✕Health maintenance modifier indicating permanent discontinuation from seasonal flu shots
- ✕Cannot be contacted via the study's communication modality (e.g., missing contact info or opted out)
- ✕On Geisinger's dismissed patient list
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
Nudging Flu Vaccination by Making it Easy for Patients to Schedule a Flu Shot
In Brief
A clinical study evaluating Reminder for Influenza. Completed, enrolled 139,503 participants across 1 site.
Detailed Summary
The purpose of this study is to test whether messages that make it easy to schedule a flu shot appointment will increase flu shot rates in patients without an upcoming appointment. The study will also test which message versions and message timing are most effective for increasing flu vaccination.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsInfluenza
CountriesUnited States
Timeline
N/ACompletedFinished
2023202420252026
First PostedAug 2022
Enrollment StartNov 2022
Primary CompletionJan 2023
TodayJul 2026
First PostedAug 9, 2022
Enrollment StartNov 8, 2022
Primary CompletionJan 3, 2023
TodayJul 2, 2026
Enrollment to primary: 2 monthsPosted 3.9 years ago
Interventions
Reminderbehavioral
Patient portal, SMS, email, and/or another modality