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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03862443
Other study ID # 16-19968
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date May 10, 2017
Est. completion date March 19, 2018

Study information

Verified date March 2019
Source University of California, San Francisco
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This Phase I randomized pilot trial will assess the efficacy of a fixed incentive payment program and drawing incentive payment program versus a control program to promote early childhood caries (ECC) preventive health behaviors (i.e., toothbrushing performance and dental visit attendance) for young children of predominantly Latino parents/caregivers enrolled in/waitlisted for Early Head Start (EHS) home visit programs.


Description:

If both groups are acceptable and feasible, the reward group with toothbrushing outcomes at least 20% better than the other one (and the control) will be chosen for a future Phase II/III trial; if they are similar, the fixed monetary reward will be used because it is simpler to explain, monitor, and implement.


Recruitment information / eligibility

Status Completed
Enrollment 36
Est. completion date March 19, 2018
Est. primary completion date August 13, 2017
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 6 Months to 42 Months
Eligibility Inclusion Criteria for Parent/Caregiver:

- Provide signed and dated informed consent form in English or Spanish.

- Agree to comply with all study procedures and be available for the duration of the study visit.

- Male or female, aged 18 and older.

- Speak, read, and write either English or Spanish.

- Be a parent or caregiver of a child at least 6 months old but less than 3.5 years (42 months), with at least 2 fully erupted teeth and enrolled in, or waitlisted for, one of the three participating Los Angeles County EHS home visit programs.

- Not be planning to move residence for the next 6 months outside the greater Los Angeles area.

- Own a smartphone with the Google Play or iTunes store and be willing to download the smart powered TB app

- Be willing to be contacted via text-messaging (SMS) for study related notifications, such as incentives earned or reminders to sync the TB

Exclusion Criteria:

- Known allergic reaction to components of the study product(s).

- Uncooperative or behaviorally unsuited (assessed during a TB prophylaxis at the initial baseline study visit).

- A sibling of a child already enrolled in the study (the family's oldest child in the eligible age range will be the study child).

- Enrolled in foster care.

- Anything else that would place him/her at increased health risk or preclude the individual's full compliance with or completion of the study.

Study Design


Intervention

Behavioral:
Fixed Incentive
The Fixed Incentive intervention is a fixed reward, in which participants are eligible for fixed weekly payments based on toothbrushing performance collected through smart powered toothbrush synced to a smartphone app.
Drawing Incentive
The Drawing Incentive intervention is a drawing reward, in which participants are eligible for weekly payments based on toothbrushing performance collected through smart powered toothbrush synced to a smartphone app.

Locations

Country Name City State
United States Venice Family Clinic Children First Early Head Start Santa Monica California

Sponsors (2)

Lead Sponsor Collaborator
University of California, San Francisco University of California, Los Angeles

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Mean number of qualifying half-day toothbrushing episodes per week Mean number of qualifying half-day episodes per week in which a parent/caregiver brushes a child's teeth. (A Bluetooth-recorded toothbrushing episode qualifies if it lasts at least one minute within one of 14 half-day windows in the week.) Baseline visit through the Month 2 visit
Primary Proportion of parents/caregivers attending a dental visit In the subset of children at baseline with no dental visit in the EHS ChildPlus health module, whether or not the child has a ChildPlus documented dental visit at the two-month follow-up. Month 2 visit
Secondary Proportion of weeks the parent/caregiver synced toothbrushing data with the app Proportion of weeks the parent/caregiver synced toothbrushing data with the app Baseline visit through Month 2 visit
Secondary Mean number of days per week with parent/caregiver-reported twice daily brushing Twice daily brushing with fluoridated toothpaste, based on parent/caregiver-reported frequency diaries Baseline visit through the Month 2 visit
Secondary Fluoridated toothpaste use Change in child toothpaste pump weight Baseline visit through the Month 2 visit
Secondary Child plaque score The child's Debris Index component (plaque score) of the Simplified Oral Hygiene Index (Greene and Vermillion) modified to include only maxillary incisor teeth after disclosing with plaque solution. The scale (which is a mean value) range is 0 (no debris or stain) to 3 (soft debris covering more than two thirds of the exposed tooth surface). Month 2 visit
Secondary EHS site participation Willingness of LA County EHS to sign memoranda of understanding Month 0
Secondary EHS staff participation Willingness of EHS staff participation in assisting with recruitment Month 0
Secondary Proportion of parents/caregivers who consent Willingness of parents/caregivers to provide informed consent and approve access to ChildPlus dental visit data Baseline visit
Secondary Proportion of parents/caregivers willing to be randomized Willingness of parents/caregivers to be randomized to a study arm as part of the consenting process Baseline visit
Secondary Proportion of parents/caregivers adhering to study procedures Willingness of parents/caregivers to adhere to study procedures, including completing questionnaire instruments, bringing toothbrushing frequency diaries to 2-month follow-up visit, and bringing toothpaste pump to 2-month follow-up visit Baseline visit through the Month 2 visit
Secondary Proportion of children who cooperate Willingness of child to cooperate with study procedures, including dental screening, extraoral photo, and plaque assessment Baseline visit through the Month 2 visit
Secondary Proportion of parents/caregivers willing to use the toothpaste pump Willingness to use the toothpaste pump (percentage with any use and percentage change in pump weight) Baseline visit through the Month 2 visit
Secondary Feasibility of measuring toothbrushing frequency with diaries Bringing toothbrushing diaries to the follow-up visit and willingness to provide them to study staff Month 2 visit
Secondary Feasibility of using toothpaste pump weight as a measure of usage Bringing the toothpaste pump to the follow-up visit for weighing Month 2 visit
Secondary Proportion of parents/caregivers willing to use the disclosing solution Willingness of children to comply with the plaque disclosing procedure Baseline visit and Month 2 visit
Secondary Proportion of parents/caregivers willing to use photographs for central assessment Willingness of the child to allow photographs, the ability to transmit the photographs securely, and the ability of the central clinician to score them reliably and confidently Baseline visit and Month 2 visit
Secondary Proportion of parents/caregivers willing to use smart powered toothbrush Willingness to use the smart powered toothbrush handle (percentage with any brushing data) Baseline visit through Month 2 visit
Secondary Comfort with smart powered toothbrush Child and parent comfort level with using the smart powered toothbrush Baseline visit through Month 2 visit
Secondary Proportion of parents/caregivers willing to use smartphone app Willingness to download the smartphone app and keep it for the duration of the study Baseline visit
Secondary Proportion of parents/caregivers willing to receive text messages Willingness to be contacted with study-related text messages each week during the intervention period Baseline visit
Secondary Feasibility of syncing toothbrush to app Successfully synced the toothbrush to app during baseline visit Baseline visit
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