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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06367699
Other study ID # H-44821
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date June 2024
Est. completion date December 2027

Study information

Verified date June 2024
Source Tufts Medical Center
Contact Michael Paasche-Orlow, MD, MPH
Phone 617-636-1029
Email michael.paasche-orlow@tuftsmedicine.org
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The objective of this study is to assess the use of and satisfaction with the ECA-HPV intervention over a 16-month period, its ability to increase HPV vaccination, and the comparative effectiveness of clinic notification and adolescent ECA components on these factors.


Description:

In the US, universal Human Papillomavirus (HPV) vaccination has the potential to decrease overall burdens of certain cancers. However, HPV vaccination rates for US adolescents of all races, ethnicities, and income levels remain below national targets. Embodied Conversational Agents (ECAs) are animated computer agents that simulate face-to-face conversation between a patient and a caregiver, to provide a natural and intuitive computer interface that is accessible to patients of all levels of health and computer literacy. In this project, we produced smartphone ECAs for HPV vaccination to provide vaccine recommendations and motivational interviewing to parents/guardians and vaccine-eligible adolescents and facilitate communication with clinic staff. In this study, we will be using the ECA-HPV system to administer interactive information to parents and adolescents in the form of a smartphone app. We will obtain data from participants by asking subjects to fill out surveys on REDCap and electronically from use of the ECA system. The parent/guardian and adolescent participants will each complete 3 surveys over a 16-month period occurring at baseline, after the first well child visit, and after the second well child visit (anticipated to be ~1 year after their initial well child visit). Additionally, a randomly selected subset of adolescent and parent/guardian participant dyads who were in an intervention group where adolescents also had the ECA-HPV adolescent app will be interviewed after their first well child visit about their experience. Lastly, for healthcare providers who have interacted with at least 5 study participants in any of the intervention groups, they will be recruited to participate in qualitative interviews. For this RCT, the participant dyads (parent/guardian and adolescent) will be randomly assigned into one of five groups (N = 875 dyads). The control group will receive usual standard care (n = 175 dyads). The other four groups are intervention groups in which all will get the ECA-HPV app for the parent/guardian. Additionally, these four groups will receive either (1) the complete ECA-HPV, including the ECA-HPV adolescent app and the clinic notification feature (on both the parent/guardian and adolescent apps) (n = 175 dyads), (2) the ECA-HPV app and adolescent ECA-HPV app with the clinic communication function disabled (n = 175 dyads), (3) the ECA-HPV app with clinic notification with no adolescent ECA-HPV app (n = 175 dyads), or (4) the ECA-HPV app with no clinic communication feature and no adolescent ECA-HPV app (n = 175 dyads). For this study, we will evaluate whether (1) adolescents who receive the ECA-HPV intervention will have a higher rate of HPV vaccine series completion, (2) participating parents/guardians will have higher vaccine knowledge and greater intention to vaccinate, and (3) vaccine series completion rates will be higher for those receiving the full ECA-HPV intervention, compared to those who get ECA-HPV without the adolescent or clinic notification components.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 1750
Est. completion date December 2027
Est. primary completion date September 2027
Accepts healthy volunteers No
Gender All
Age group 9 Years to 12 Years
Eligibility Inclusion Criteria: For parent/guardian participants: 1. Speaks English fluently 2. Able to independently consent 3. Has adequate corrected vision to use the ECA-HPV system (based on their ability to go through the consent form) 4. Has adequate hearing to use the ECA-HPV system (based on their ability to hear the research staff member conducting the consent process) 5. Has a smartphone that is able to support the ECA-HPV app For adolescent participants: 1. Is between the ages of 9-12 at the time of the index (first) well child visit 2. Has received either 1 or none of the HPV vaccine series 3. Speaks English fluently 4. Able to independently assent 5. Has adequate corrected vision to use the ECA-HPV system 6. Has adequate hearing to use the ECA-HPV system 7. Has a smartphone or has access to parent/guardian's smartphone (that is able to support the ECA-HPV app) 8. Has an upcoming well child visit at Boston Medical Center Exclusion Criteria (for all participants): 1. Is not able to use the ECA-HPV system 2. Has already participated in the study before

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Usual Care
Parent/guardian and adolescent participants will not receive the ECA-HPV system intervention. A survey will be given via REDCap to the parent/guardian and adolescent participants at baseline, after the first well child clinic visit, and after the second well child clinic visit to assess self-reported vaccination attitudes and behaviors. Adolescent participants will receive usual care.
ECA-HPV App with Clinic Notification and Adolescent Functions Disabled
Parent/guardian participants will interact with the ECA-HPV smartphone-based system over a period of ~16 months. The ECA-HPV is designed to interact with parents/guardians to increase vaccine acceptability prior to the clinic visit. A survey will be given via REDCap at baseline, after the first well child clinic visit, and after the second well child clinic visit to both the parent/guardian and adolescent to assess self-reported vaccination attitudes and behaviors. Parent/guardian participants will also be asked questions about the ECA-HPV app. The clinic notification and adolescent functions of the complete ECA-HPV app are disabled. Adolescent participants will receive usual care.
ECA-HPV App with Clinic Notification Function Enabled
Parent/guardian participants will interact with the ECA-HPV smartphone-based system over a period of ~16 months. The ECA-HPV is designed to interact with parents/guardians to increase vaccine acceptability prior to the clinic visit. A survey will be given via REDCap at baseline, after the first well child clinic visit, and after the second well child clinic visit to both the parent/guardian and adolescent to assess self-reported vaccination attitudes and behaviors. Parent/guardian participants will also be asked questions about the ECA-HPV app and the clinic notification feature. The clinic notification is enabled on the parent/guardian ECA-HPV app, however, the adolescent does not have access to the adolescent ECA-HPV app. Adolescent participants will receive usual care.
ECA-HPV App with Adolescent Function Enabled
Parent/guardian participants will interact with the ECA-HPV smartphone-based system over a period of ~16 months. The ECA-HPV is designed to interact with parents/guardians to increase vaccine acceptability prior to the clinic visit. A survey will be given via REDCap at baseline, after the first well child clinic visit, and after the second well child clinic visit to both the parent/guardian and adolescent to assess self-reported vaccination attitudes and behaviors as well as ECA-HPV app use and satisfaction. The adolescent function is enabled, however, the clinic notification function is disabled. Thus, the ECA-HPV system app will have an adolescent-facing feature for adolescent participants to engage with the agent. Adolescent participants will receive usual care and will be able to engage with the adolescent version of the ECA-HPV app throughout the duration of the study.
ECA-HPV App with Clinic Notification and Adolescent Functions Enabled
Parent/guardian participants will interact with the complete ECA-HPV smartphone-based system over a period of ~16 months. The ECA-HPV is designed to interact with parents/guardians to increase vaccine acceptability prior to the clinic visit. A survey will be given to parent/guardian participants via REDCap at baseline, after the first well child clinic visit, and after the second well child clinic visit to both the parent/ guardian and adolescent to assess self-reported vaccination attitudes and behaviors as well as ECA-HPV app use and satisfaction and questions about the clinic notification feature. The complete ECA-HPV app includes the parent version and adolescent versions of the ECA-HPV app. Both versions have the clinic notification feature enabled. Adolescent participants will receive usual care and can engage with the adolescent version of the ECA-HPV app throughout the study.

Locations

Country Name City State
United States Boston Medical Center Boston Massachusetts

Sponsors (3)

Lead Sponsor Collaborator
Tufts Medical Center Boston Medical Center, Northeastern University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary HPV vaccination series completion comparing the control group to the intervention groups HPV vaccination series completion for the control group will be compared to the collective rate for the intervention groups. A review of medical records at the T2 timepoint will be done for vaccination series completion. 16 months
Primary HPV vaccination series completion comparing the intervention groups HPV vaccination series completion will be assessed between participants randomized to the full ECA-HPV versus people randomized to the ECA-HPV with no adolescent app function and no clinic notification function. A review of medical records at the T2 timepoint will be done for vaccination series completion. 16 months
Secondary HPV Knowledge The parent/guardian participants will be asked questions about their HPV knowledge in all three surveys: at baseline (T0), post-first well child visit (T1), and post-second well child visit (T2). Participants will fill out the surveys in REDCap. The outcomes for this measure at T1 and T2 will be compared to the outcome at T0. 16 months
Secondary HPV Attitudes Both the parent/guardian and adolescent participants will be asked questions about their attitudes towards HPV in all three surveys: at baseline (T0), post-first well child visit (T1), and post-second well child visit (T2). Participants will fill out these surveys in REDCap. The outcomes for this measure at T1 and T2 will be compared to the outcome at T0. 16 months
Secondary General Vaccine Attitudes The parent/guardian participants will be asked questions about their attitudes towards vaccines in general in all three surveys: at baseline (T0), post-first well child visit (T1), and post-second well child visit (T2). Participants will fill out these surveys in REDCap. The outcomes for this measure at T1 and T2 will be compared to the outcome at T0. 16 months
Secondary ECA-HPV App Satisfaction If participants are in an intervention group with the ECA-HPV app, their post-first well child visit survey will include questions about use and satisfaction of the app. Participants will fill out these surveys in REDCap. 16 months
Secondary Clinic Notification Feature Satisfaction If participants are in an intervention group with the ECA-HPV app and the clinic notification function enabled, their post-first well child visit survey will include questions about use and satisfaction of this feature. Participants will fill out these surveys in REDCap 16 months
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