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Can a picture replace a drug test? new study aims to find out

NCT ID NCT07464873

Knowledge-focused Sponsor: Phillip Coffin, MD, MIA Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study will test a new visual scale designed to help people who use methamphetamine estimate how much they use each day. Researchers will compare the scale's results with hair samples and other methods to see if it is accurate and easy to use. About 100 people aged 20-40 who use methamphetamine will participate. The goal is to improve how we measure drug use in research and clinical settings.

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.

Participants

About 100 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Jun 2026

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Adults 20-40 years old who use methamphetamine and have scalp hair.

Ages

20 to 40 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Age 20-40 inclusive * English speaking * Self-reports using methamphetamine at least once in the past 7 days (attempts will be made to enroll participants with varied frequencies of methamphetamine use) * At least 1cm of untreated occipital scalp hair * Hair is brown or black * Willing to provide a hair sample Exclusion Criteria: * Participant, in the opinion of the investigators, would be unable to complete study procedures

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Conditions

The condition(s) this trial relates to.

methamphetamine dependence

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Methamphetamine disorders

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • SFDPH Center on Substance Use and Health

    San Francisco, California, 94102, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.