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NCT04473599 · ClinicalTrials.gov registry record · NA
Stay Well at Home: a Text-messaging Study Social Distancing
A NA study, sponsored by University of California, Berkeley.
- Completed
- Registry status
- NA
- Development phase
- 1,000
- Enrollment target
NCT04473599: Completed NA study, sponsored by University of California, Berkeley.
NCT04473599 is a NA study that has completed, run by University of California, Berkeley. The registered enrollment target is 1,000 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (29% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04473599, a NA study, has completed, sponsored by University of California, Berkeley.
- COMPLETED
- Registry status
- NA
- Development phase
- 1,000 participants
- Enrollment target
Study Summary
The investigators have developed supportive text-messages in English and Spanish to help people cope with the stress and anxiety of COVID-19 social distancing. The purpose of this study is to examine if automated text-messages will improve depression and anxiety symptoms and enhance positive mood. Additionally, the investigators will compare the effectiveness of sending messages on a random schedule (using a micro-randomized trial design) or sent by a reinforcement learning policy on overall change in depression and anxiety symptoms and daily mood during the 8-week study.
Primary Outcome
Patient Health Questionnaire 9 item (PHQ-9). The PHQ-9 has scores from 0 to 27. Higher scores mean a worse outcome.
Interventions
- BEHAVIORAL Uniform random message delivery
- BEHAVIORAL Reinforcement learning message delivery
- BEHAVIORAL Mood ratings only
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 1,000 participants |
| Start Date | 2020-04-17 |
| Est. Completion | 2023-01-10 |
| Phase | NA |
What the finished NCT04473599 record still lists
NCT04473599 is an interventional study that assigns participants to a tested intervention. Its 1,000 participants enrollment target places it among the larger protocols in the corpus, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (29% lower).
The record links to 0 conditions, and to 3 interventions - of which Uniform random message delivery is the first listed.
NCT04473599 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04473599 about?
NCT04473599 is a clinical study titled "Stay Well at Home: a Text-messaging Study Social Distancing". The investigators have developed supportive text-messages in English and Spanish to help people cope with the stress and anxiety of COVID-19 social distancing. The purpose of this study is to examine if automated text-messages will improve depression and anxiety symptoms and enhance positive mood. ...
What is the current status of trial NCT04473599?
This trial is currently completed. It is a NA study. The enrollment target is 1,000 participants. The study started on 2020-04-17. Estimated completion is 2023-01-10.
What interventions are being tested in trial NCT04473599?
The interventions under investigation include: Uniform random message delivery (BEHAVIORAL), Reinforcement learning message delivery (BEHAVIORAL), Mood ratings only (BEHAVIORAL).
Who is sponsoring clinical trial NCT04473599?
This trial is sponsored by University of California, Berkeley, which has 72 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04473599's enrollment target sits among peer trials
1,000 107th of 2000 higher than 1,880 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
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