A simple nudge could boost shingles shots

NCT ID NCT06238726

Completed Prevention Sponsor: Geisinger Clinic Source: ClinicalTrials.gov ↗

First seen Aug 14, 2026 · Last updated Aug 14, 2026

Summary

This trial tests whether sending reminder messages to older adults before a doctor's appointment can increase the number who get the shingles vaccine. The study will compare different message styles to see which is most effective. Participants are adults aged 50 and older who have not yet received the Shingrix vaccine and have an upcoming primary care appointment.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Behavioral intervention: reminder messages (via SMS, patient portal, email, or other) encouraging patients to ask about the Shingrix vaccine
What this could lead to: If effective, simple reminder messages could significantly increase shingles vaccination rates among older adults, reducing the burden of this painful condition.
What could go wrong: The trial is early and tests different message versions; not all may work. Also, reminders alone may not overcome other barriers to vaccination.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Health Behavior herpes zoster prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BEHAVIOR, HEALTH SHINGLES VACCINATION BEHAVIOR

Contacts and locations

Locations

Geisinger Clinic

Danville, Pennsylvania, 17822, United States

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