Can friends and trusted messengers boost COVID testing in opioid users?
NCT ID NCT04873401
First seen Jun 27, 2026 · Last updated Jul 23, 2026 · Updated 2 times
Summary
This study tested two methods to encourage COVID-19 testing among people who use opioids: having friends refer others (chain referral) and using trusted community members (credible messengers). About 500 people took part. The goal was to see which method got more people tested and linked to care.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
-
498 people
The number who actually took part.
- Started
-
Apr 2021
- Finished
-
Jan 2023
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 80 years
- Sex
-
Anyone
- Healthy volunteers
-
Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Endorse opioid use in the past 6 months * Speak English or Spanish * Age 18+ Exclusion Criteria: * Deny history of opioid use (but will be offered COVID-19 testing)
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for COVID-19 are added.
Genom att skicka in godkänner du våra Användarvillkor
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
New York State Psychiatric Institute
New York, New York, 10032, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Does COVID-19 hide in the gut? scientists probe stool for clues
- Blood samples and health records could reveal why some COVID-19 cases turn severe
- Can a Three-Session couples program cut drug use and HIV risk?
- Home antibody tests put to the test: can you read your own COVID-19 result?
- Can lung ultrasound reveal COVID-19's signature in the lungs?
- When the immune system Can't fight back: tracking three respiratory viruses