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AzTrials

Adherence to Vaccination SchedulesSMSVaxGuateNCT02567006

SMS Mobile Technology to Improve Early Childhood Vaccine Coverage in Guatemala

A study testing SMS message in people with Adherence to Vaccination Schedules and Timeliness of Vaccination, run by University of Colorado, Denver at 2 sites in Guatemala.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This project plans to learn more about whether sending text messages to parents on their mobile phones to remind them when their child is due for his or her next vaccination will improve children getting vaccinated on time. Read more about this study

Who is it for?
Ages 6 weeks to 6 monthsHealthy volunteers can take part
What is being tested?
SMS message
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
720 participants
Where
2 sitesGuatemala
Study dates
1 Mar 2016to 10 Jul 2017
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 6 weeks to 6 months
  • All sexes
  • Healthy volunteers accepted
  • Child

Who may be able to join

  • First dose of primary vaccination series
  • Parents owning a mobile phone and able to decipher SMS messages
  • Consent form signed

Who cannot join

  • Moving away from the study site in the next 12 months
  • Ineligible for primary vaccination series by the MOH

Trial locations and contacts

2 sites in 1 country.

Guatemala2 sites
  • Fundacion para la Salud Integral de los Guatemaltecos CU

    Coatepeque, Departamento de Quetzaltenango

  • University del Valle, Guatemala

    Guatemala City, 01015

Other trials in Guatemala

About this study

This project plans to learn more about whether sending text messages to parents on their mobile phones to remind them when their child is due for his or her next vaccination will improve children getting vaccinated on time.

Read the detailed description

This project plans to learn more about whether sending text messages to parents on their mobile phones to remind them when their child is due for his or her next vaccination will improve children getting vaccinated on time. The vaccines that will be given are the same routine vaccinations registered in Guatemala and used by the Ministry of Health regardless of enrollment in the study.

Being tested
SMS message, Usual care
Keywords
vaccines, reminders, immunization timeliness, vaccine coverage

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • SMS messageBehavioural

    Also called text messages

    SMS messages will be delivered at 6, 4, and 2 days before the next scheduled date of the primary vaccines for the intervention group

  • Usual careOther

    Health clinic nurse provides regular appointment in the vaccination card with no active reminders

Study groups in NCT02567006
Study groupRoleWhat they receive
Short Message Service (SMS) groupActive comparatorReceiving SMS message reminders 1 week before scheduled vaccination
Receives: Behavioral: SMS message
Usual carePlacebo comparatorNot receiving SMS messages
Receives: Other: Usual care

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Completion of vaccine primary series

    Completion of 2nd and 3rd dose of vaccines by 1 year of age

    Measured: 12 months of age

Secondary outcomes (3)
  1. Factors associated with immunization delays

    Demographic, education and behavioral factors associated with days late for vaccination

    Measured: 12 months

  2. Acceptability of SMS vaccine reminders

    Qualitative data from focus groups to evaluate acceptability of SMS program

    Measured: 12 months

  3. Timeliness of immunization

    Days delayed from date for 2nd and 3rd dose of vaccination

    Measured: 12 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Oct 2015 (estimated)
  2. Study start1 Mar 2016
  3. Primary completion7 Jul 2017
  4. Study completion10 Jul 2017

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Health services research
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
720 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02567006
Sponsor's protocol ID
14-2170
Other IDs
1R21HD084115-01
Acronym
SMSVaxGuate
Status last verified
Sep 2019
First submitted
30 Sep 2015
Last updated
26 Sep 2019
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Gurman TA, Rubin SE, Roess AA. Effectiveness of mHealth behavior change communication interventions in developing countries: a systematic review of the literature. J Health Commun. 2012;17 Suppl 1:82-104. doi: 10.1080/10810730.2011.649160.

    PubMed 22548603
  • Head KJ, Noar SM, Iannarino NT, Grant Harrington N. Efficacy of text messaging-based interventions for health promotion: a meta-analysis. Soc Sci Med. 2013 Nov;97:41-8. doi: 10.1016/j.socscimed.2013.08.003. Epub 2013 Aug 13.

    PubMed 24161087
  • Palmer MJ, Henschke N, Bergman H, Villanueva G, Maayan N, Tamrat T, Mehl GL, Glenton C, Lewin S, Fonhus MS, Free C. Targeted client communication via mobile devices for improving maternal, neonatal, and child health. Cochrane Database Syst Rev. 2020 Jul 14;8(8):CD013679. doi: 10.1002/14651858.CD013679.

    PubMed 32813276
  • Domek GJ, Contreras-Roldan IL, Bull S, O'Leary ST, Bolanos Ventura GA, Bronsert M, Kempe A, Asturias EJ. Text message reminders to improve infant immunization in Guatemala: A randomized clinical trial. Vaccine. 2019 Sep 30;37(42):6192-6200. doi: 10.1016/j.vaccine.2019.08.046. Epub 2019 Sep 3.

    PubMed 31492475
  • Domek GJ, O'Leary ST, Bull S, Bronsert M, Contreras-Roldan IL, Bolanos Ventura GA, Kempe A, Asturias EJ. Measuring vaccine hesitancy: Field testing the WHO SAGE Working Group on Vaccine Hesitancy survey tool in Guatemala. Vaccine. 2018 Aug 23;36(35):5273-5281. doi: 10.1016/j.vaccine.2018.07.046. Epub 2018 Jul 27.

    PubMed 30061026

Questions about this trial

What is this clinical trial studying?

A study testing SMS message in people with Adherence to Vaccination Schedules and Timeliness of Vaccination, run by University of Colorado, Denver at 2 sites in Guatemala.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 26 Sep 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Guatemala. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Completion of vaccine primary series (time frame: 12 months of age). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02567006, which also lists 5 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Sep 2019.

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