NCT05413239Completed
Healthy And Positive Pathways for Young People With Type 1 Diabetes (HAPPY T1D)
Improving Glycemia & Reducing Diabetes Distress in Adolescents & Young Adults With T1D: Healthy And Positive Pathways for Young People With Type 1 Diabetes (HAPPY T1D)
Source: ClinicalTrials.gov · Last updated 12 Mar 2026
Brief summary (registry, in English)
In this 2-year randomized clinical trial, we will implement and assess the impact of a behavioral/psychoeducational intervention to reduce diabetes distress and improve glycemic outcomes in adolescents and young adults, aged 14-25 years, with T1D in order to optimize their short-term and long-term health.
- Status (registry)
- Completed
- Study type
- Interventional
- Enrollment
- 217 (actual)
- First submitted
- 7 Jun 2022
- Start date
- 26 Jul 2022
- Primary completion date
- 30 Nov 2024
- Lead sponsor
- Joslin Diabetes Center
- Diseases
- Type 1 diabetes
- NCT number
- NCT05413239
What you commit to
- Study type: Interventional
- Participants enrolled: 217
- From 26 Jul 2022 to the primary completion date, 30 Nov 2024
- 2 sites in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- Physical or mental health condition that in the determination of the investigators may limit the ability to fully participate in the study (e.g., autism)
Other
- Participation in another intervention study within the last 3 months
- Currently pregnant or intending to become pregnant during the study (assessed by self-report)
Who the study is looking for
- Age 14-25 years
- Diagnosis of type 1 diabetes (according to ADA criteria)
- Type 1 diabetes duration ≥12 months
- A1c 7-13%
- Smartphone or regular access to wifi via computer
- Fluency in English at a 5th grade level or higher (based on investigator assessment of grade level in school or highest grade level achieved and presence in mainstream academic classes)
Age in the registry: 14 years to 25 years · Sex: All · Does not accept healthy volunteers
Sites (2)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Joslin Diabetes Center Coordinator of this site? Confirm its status | Boston | United States | Unknown status |
| Stanford University Coordinator of this site? Confirm its status | Palo Alto | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.