Completed NA INTERVENTIONAL 5-arm NCT04800965

Text-based Interventions to Promote COVID-19 Vaccinations

Sponsor: Carnegie Mellon University

Interventions Enhanced Follow through Message Patient Educational Video Patient MyChart Scheduling Link

Updated 5 times since 2021 Last updated: Sep 11, 2022 Started: Jan 31, 2021 Primary completion: Dec 31, 2021 Completion: Jan 1, 2022

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04800965, this NA trial focuses on Covid19, Vaccines and remains completed. Sponsored by Carnegie Mellon University, it has been updated 5 times since 2021, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

Change History

5 versions recorded

Sep 2025 — Present [monthly]

Completed NA
Sep 2024 — Sep 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Sep 2022 — Jul 2024 [monthly]

Completed NA

Status: Enrolling By Invitation → Completed
Apr 2021 — Sep 2022 [monthly]

Enrolling By Invitation NA

First recorded

Jan 2021

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Carnegie Mellon University
University of California, Los Angeles

Data source: University of California, Los Angeles

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Westwood, Los Angeles, United States