CClinicalTrials.gg
CompletedNCT04939519Updated Dec 12, 2025Results posted

SCALE-UP Utah: Community-Academic Partnership to Address COVID-19 Vaccination Rates Among Utah Community Health Centers

An interventional study of Text-Messaging (TM) and Patient Navigation (PN) in Covid19, sponsored by University of Utah. Completed at 1 site in United States. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-12-12.

Sponsored by University of Utah · Not applicable, Interventional, and Screening

Phase
Not applicable
Study type
Interventional
Enrollment
65,300
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

SCALE-UP Utah is a community-academic partnership to address COVID-19 among Utah community health centers. The long-term objective of the project is to increase the reach, acceptance, and uptake of COVID-19 vaccines among Utah's Community Health Center patient population. The study will compare two practical, feasible, scalable interventions to increase COVID-19 vaccine uptake in Utah Community Health Centers:

  1. Text Messaging (TM): population health management (PHM) intervention that analyzes EHR data to automatically identify patients eligible for COVID-19 vaccination and uses bi-directional text messaging to help connect patients to a vaccination site;
  2. Patient Navigation (PN): PHM intervention to increase vaccination uptake among eligible patients (identified via TM) using patient navigation (e.g., motivating patients, addressing logistics and barriers).

The project will employ a rapid cycle research approach in which interventions are tested on a small scale, using short time frames (e.g., \<1 month) and cyclical evaluation cycles.This process involves implementing intervention messages with a small number of clinics or patients, evaluating the outcomes, and either adapting the intervention messages based on findings (and retesting) or disseminating effective approaches to additional clinics or patients. A critical feature of these cycles is the ability to quickly test and refine messages in a limited setting before broader implementation. Throughout the study, intervention messages were updated or adapted in response to evolving public health guidelines, testing procedures, and policy recommendations (e.g., priority populations by age group or geographic area, as advised by the Utah Department of Health and Human Services and relevant federal agencies). However, these updates did not alter the fundamental structure of the intervention arms. Participants were randomized to one of two main conditions-Text Messaging (TM) or Text Messaging plus Patient Navigation (TM+PN)-and all participants within a given arm received interventions aligned with their assigned condition. Adaptations occurred within the content and timing of messages or navigation support, but the core components of the interventions remained consistent across participants within each arm. These adaptations were tracked and incorporated into implementation logs but did not constitute distinct intervention arms or conditions.

The specific aims are to:

  1. Implement and evaluate PHM interventions for increasing the uptake of COVID-19 vaccinations among CHC patients across Utah. Our primary outcome, Uptake-Eligible, is defined as the proportion of patients who receive a COVID-19 vaccination out of those who meet eligibility criteria for vaccination. Our study hypothesis is that patients in the TM+PN cohort will have higher rates of uptake-eligible than those in the TM cohort.
  2. Examine implementation effectiveness outcomes, as well as characteristics of both clinics and patients that may influence intervention effects and implementation outcomes.
Read the detailed description

SCALE-UP Utah is a patient-level intervention involving 12 Community Health Centers (39 individual clinics) across Utah. The study is designed to utilize Community Health Center patient records to proactively reach patients for COVID-19 vaccinations. This intervention includes a randomization component between two interventions, text messaging (TM) or text messaging with patient navigation (TM+PN). These two intervention paths are occurring simultaneously within the same clinics.

Text messaging (TM) and text messaging with patient navigation (TM+PN)

Overview:

Participants in the TM condition will receive HIPAA-compliant bidirectional text messages. These texts will include a brief message alerting patients that they are eligible to receive the vaccine and asking participants if they would like to schedule a vaccine. Participants who reply "yes" will receive an additional message with information about how and where to register for the vaccine. This information will vary depending on local availability. Participants who reply "no" will receive a text requesting they contact their local clinic when they decide to receive the vaccine.

Participants in the TM+PN condition will receive the same text message as the participants in the TM condition. Texts will include a brief message alerting patients that they are eligible to receive the vaccine and asking participants if they would like to schedule a vaccine. Participants who reply "yes" will receive the same information about how and where to receive a vaccine however, they will also receive a message alerting them that a Community Health Worker will contact them to assist with this process, in case they need that. At this time the participant has the option to opt-out of this follow up phone call. The patient navigation from the Community Health Worker includes practical advice in addressing barriers to vaccination such as logistics and transportation, as well as fear, skepticism, and hesitancy.

Step One: Primary Data Extraction To identify the cohort for the TM and TM+PN interventions, a subset of EHR data will be manually extracted from the Community Health Centers as text files generated by EHR reports. The first set of EHR reports will contain all patients seen at each of the Community Health Centers in the last 3 years. Subsequent reports will be obtained weekly, including all encounters in the previous week. Data fields will include risk factors such as age, gender, body mass index, encounter diagnoses for medical co-morbidities, patient demographics (e.g., zip code, insurance status, preferred language, race/ethnicity); as well as cellphone number for text messaging and patient navigation.

Step Two: Randomization \& Cohort Selection. Once the data are securely housed, all patients will be assigned to either the TM or TM+PN arm of the intervention. This assignment will remain consistent throughout the study. Cohort selection for the text messages will be based on EHR data considering factors such as age, race/ethnicity, language, relevant medical comorbidities, and residence in low-vaccination areas. These selection criteria are consistent with recommendations from Utah Department of Health and the Centers for Disease Control and Prevention.

Step Three: Implementation. SCALE-UP Utah will send HIPPA-compliant bidirectional texts, which is a communication method routinely used by the Community Health Centers, to patients who are eligible for COVID-19 vaccination. Text messages will be designed by the research team and sent using a HIPPA compliant text messaging service. The text messaging service will retrieve the patient cohort from the study database to send the texts to the patients. The text messages will appear to the patients as having originated from their Community Health Center. As part of their general Community Health Center care, patients have agreed to be contacted by their Community Health Center and text message communication is one of those established contact methods. Text messages will be repeated bi-weekly to continuously prompt vaccination update. This process will repeat until the participant indicates that they have either scheduled or received their vaccination. Every text message will include the option to reply STOP to opt-out of receiving text messages at any time.

02

Conditions studied

  • Covid19

Keywords

  • COVID19
  • Community Health
  • Health Information Technology
  • Population Health
  • Patient engagement
  • Rural
  • Scale up
  • Screening
  • vaccinations
  • Text messaging
  • Underserved population
  • Uninsured
  • Utah
  • Uptake
  • Population Health Tool
03

In context

COVID-19

7,640 studies on the registry are indexed under COVID-19; 488 are open to participants now.

This study's enrollment of 65,300 is above the median of 100 across 4,099 interventional studies indexed under COVID-19.

Browse COVID-19 studies →

Lead sponsor

University of Utah is the lead sponsor of 969 studies on the registry; 178 are open to participants now.

Of its 107 completed or terminated interventional studies of FDA-regulated products, 62 (58%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • current patient of a participating community health center
  • have a working cellphone,
  • have phone number listed in existing electronic medical record at their participating clinic
  • speak English or Spanish.

Exclusion criteria

Exclusion Criteria:

  • Minors
05

Study design

Phase
Not applicable
Primary purpose
Screening
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Participant)
Enrollment
65,300 participants (actual)

Study arms

  • Active comparator
    Text-Messaging (TM)

    Population health management intervention that analyzes electronic health record data to automatically identify participants who are eligible for the COVID-19 vaccine and proactively reach those participants for vaccine scheduling. This is a bi-directional text messaging system.

    Behavioral: Text-Messaging (TM)

  • Active comparator
    Text-Messaging plus Patient Navigation

    Population health management intervention that includes the same bi-directional text-messaging system as Arm 1 (the text messaging condition) with the addition of patient navigation. Patient navigation includes real-time assistance from a community health worker to address barriers, provide motivation, and assist with logistics of COIVD vaccination.

    Behavioral: Text-Messaging (TM) · Behavioral: Patient Navigation (PN)

Interventions

  • BehavioralText-Messaging (TM)

    Participants in the TM condition will receive HIPAA-compliant bidirectional text messages. These texts will include a brief message alerting patients that they are eligible to receive the vaccine and asking participants if they would like to schedule a vaccine. Participants who reply "yes" will receive an additional message with information about how and where to register for the vaccine. This information will vary depending on local availability. Participants who reply "no" will receive a text requesting they contact their local clinic when they decide to receive the vaccine.

  • BehavioralPatient Navigation (PN)

    Participants in the PN condition will receive a message alerting them that a Community Health Worker will contact them to assist with the process of scheduling a vaccine. At this time the participant has the option to opt-out of this follow up phone call. The patient navigation from the Community Health Worker includes practical advice in addressing barriers to vaccination such as logistics and transportation, as well as fear, skepticism, and hesitancy.

06

What researchers measure

Primary outcomes

  1. Uptake-Total

    Proportion of patients who receive a COVID-19 vaccine out of the total patient population

    Time frame: 12 months

Secondary outcomes

  1. Reach-TM Engage

    Proportion of patients that respond to the Text Messaging intervention

    Time frame: 12 months

  2. Reach-PN Engage- Logistics Assistance

    Proportion of patients offered Logistics Assistance Patient Navigator (PN-LA) that talk to a PN

    Time frame: 12 months

  3. Reach-PN Engage- Requested Navigation

    Proportion of patients offered Requested Navigation Patient Navigator (PN-RN) that talk to a PN

    Time frame: 12 months

07

Results

Posted Dec 12, 2025
Limitations and caveats
During the analysis portion of this project, the investigators decided that the original primary outcome and a secondary outcome were duplicative due to the eventual widespread availability of the COVID-19 Vaccine. Therefore, the investigators decided to delete the primary outcome and keep the secondary outcome as the primary. Study protocol and Statistical Analytic plan were amended to reflect the changes.

Participant flow

Participant flow — Overall Study
MilestoneText-Messaging (TM)Text-Messaging Plus Patient Navigation
Started3259432706
Completed3259432706
Not completed00

Outcome measures

PrimaryUptake-Total

Proportion of patients who receive a COVID-19 vaccine out of the total patient population

Time frame:
12 months
Reported as:
Count of participants · Participants
Uptake-Total
ParticipantsText-Messaging (TM)Text-Messaging Plus Patient Navigation
Uptake-Total1430814381
SecondaryReach-TM Engage

Proportion of patients that respond to the Text Messaging intervention

Time frame:
12 months
Reported as:
Count of participants · Participants
Reach-TM Engage
ParticipantsText-Messaging (TM)Text-Messaging Plus Patient Navigation
Reach-TM Engage55385587
SecondaryReach-PN Engage- Logistics Assistance

Proportion of patients offered Logistics Assistance Patient Navigator (PN-LA) that talk to a PN

Time frame:
12 months
Reported as:
Count of participants · Participants
Reach-PN Engage- Logistics Assistance
ParticipantsText-Messaging (TM)Text-Messaging Plus Patient Navigation
Reach-PN Engage- Logistics Assistance0592
SecondaryReach-PN Engage- Requested Navigation

Proportion of patients offered Requested Navigation Patient Navigator (PN-RN) that talk to a PN

Time frame:
12 months
Reported as:
Count of participants · Participants
Reach-PN Engage- Requested Navigation
ParticipantsText-Messaging (TM)Text-Messaging Plus Patient Navigation
Reach-PN Engage- Requested Navigation0122

Adverse events

Collected over This project used a non-systematic assessment method to evaluate adverse events. Although adverse events were not routinely assessed, data on adverse events were collected for up to 23 months after a participant's enrollment in the project.. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Text-Messaging (TM)0/32,594 (0%)0/32,594 (0%)0/32,594 (0%)
Text-Messaging Plus Patient Navigation0/32,706 (0%)0/32,706 (0%)0/32,706 (0%)

Baseline characteristics

Age, Customized
Age, Customized(Participants)Text-Messaging (TM)Text-Messaging Plus Patient NavigationTotal
18-29 years old9210909618306
30-64 years old199022003339935
65 and older348235777059
Sex/Gender, Customized
Sex/Gender, Customized(Participants)Text-Messaging (TM)Text-Messaging Plus Patient NavigationTotal
Female175351737634911
Male133871368727074
Other or unknown167216433315
Ethnicity (NIH/OMB)
Ethnicity (NIH/OMB)(Participants)Text-Messaging (TM)Text-Messaging Plus Patient NavigationTotal
Hispanic or Latino127921282025612
Not Hispanic or Latino162011632432525
Unknown or Not Reported360135627163
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)Text-Messaging (TM)Text-Messaging Plus Patient NavigationTotal
American Indian or Alaska Native White7287631491
Asian206241447
Black or African American380330710
Native Hawaiian or Pacific Islander226217443
More than one race444445889
Other Race360235617163
White218882200243890
Unknown or Not Reported5120514710267
08

Study locations

1 site
  • Huntsman Cancer Institute/ University of Utah
    Salt Lake City, Utah 84112, United States
09

References and documents

Study documents

  • Study protocol · Feb 23, 2022

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 12, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT04939519
Lead sponsor
University of Utah
Collaborators
Association for Utah Community Health, Utah Department of Health, National Institutes of Health (NIH), National Center for Advancing Translational Sciences (NCATS)
Responsible party
David Wetter (Director, Center for Health Outcomes and Population Equity, University of Utah) — Principal investigator
First posted
Jun 25, 2021
Start date
Mar 29, 2021
Primary completion
Jun 17, 2022
Completion
Feb 28, 2023
Results posted
Dec 12, 2025
Last update
Dec 12, 2025

Study contacts

David Wetter, MS, PhD
principal investigator · University of Utah
Rachel Hess, MD, MS
principal investigator · University of Utah
Guilherme Del Fiol, MD, PhD
principal investigator · University of Utah

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Dec 2025. You cannot join it, but the record below documents what was studied.

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