Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT03233022 · ClinicalTrials.gov registry record · NA
An Online Trial of Five Well-being Programs
A NA study, sponsored by Happify.
- Completed
- Registry status
- NA
- Development phase
- 14,000
- Enrollment target
NCT03233022: Completed NA study, sponsored by Happify.
NCT03233022 is a NA study that has completed, run by Happify. The registered enrollment target is 14,000 participants, above the 1,403-participant average among 58,714 other NA trials with a reported enrollment target (898% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03233022, a NA study, has completed, sponsored by Happify.
- COMPLETED
- Registry status
- NA
- Development phase
- 14,000 participants
- Enrollment target
Study Summary
Participants complete an 8-week program and complete assessment measures to track their outcomes over time.
Primary Outcome
9-item measure of depressive symptoms
Interventions
- BEHAVIORAL Happify
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 14,000 participants |
| Start Date | 2016-02 |
| Est. Completion | 2018-03 |
| Phase | NA |
What the finished NCT03233022 record still lists
NCT03233022 is an interventional study that assigns participants to a tested intervention. Its 14,000 participants enrollment target places it among the larger protocols in the corpus, above the 1,403-participant average among 58,714 other NA trials with a reported enrollment target (898% higher).
The record links to 0 conditions, and to 1 intervention - of which Happify is the first listed.
NCT03233022 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03233022 about?
NCT03233022 is a clinical study titled "An Online Trial of Five Well-being Programs". Participants complete an 8-week program and complete assessment measures to track their outcomes over time.
What is the current status of trial NCT03233022?
This trial is currently completed. It is a NA study. The enrollment target is 14,000 participants. The study started on 2016-02. Estimated completion is 2018-03.
What interventions are being tested in trial NCT03233022?
The interventions under investigation include: Happify (BEHAVIORAL).
Who is sponsoring clinical trial NCT03233022?
This trial is sponsored by Happify, which has 6 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03233022's enrollment target sits among peer trials
14,000 13th of 2000 higher than 1,988 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT06058767 · 13,764 participants · NA
Preschool Hearing Screening
- NCT05591066 · 14,400 participants · NA
The Patient and Family Centered I-PASS LISTEN Study: Language, Inclusion, Safety, and Teamwork for Equity Now
- NCT05359016 · 14,600 participants · NA
Evaluating Innovative Technologies and Approaches to Addressing Cervical Cancer in Gaza and Maputo Cidade Provinces in Mozambique
- NCT05141396 · 13,400 participants · NA
Telehealth-Enabled, Real-time Audit and Feedback for Clinician AdHerence (TEACH)
Similar registry start date
- NCT05988463 · started 2027-01-01 · Phase 1
Dose-Escalation Study of Artesunate Patients With IPF
- NCT07219706 · started 2026-12-10 · NA
Dietary Fiber and Time Restricted Eating
- NCT02831335 · started 2026-12-01
Technical Development of Multi-Parametric Renocerebral MRI
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia