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Study tests whether 40-Hour mental health training changes police behavior

NCT ID NCT05606289

Knowledge-focused Sponsor: Columbia University 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 07, 2026 · Updated 2 times

Summary

This study looked at whether a 40-hour Crisis Intervention Team (CIT) training program helps police officers improve their verbal de-escalation skills and decision-making when responding to mental health crises. About 242 officers were randomly assigned to receive the training or not, and their skills were measured at 3 and 6 months using video ratings. The goal was to see if the training leads to better communication, empathy, and safer outcomes during real-world encounters.

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

242 people

The number who actually took part.

Started

Jan 2023

Expected to finish

Dec 2027

An estimate. End dates often move.

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 years and older

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: * 18 years or older * English-speaking * Has not yet taken part in CIT training * Willing and able to be tested, randomized to CIT training or no training, and re-tested at 3-months and 6-months * Employment as a police officer from participating site Exclusion Criteria: \-

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Conditions

The condition(s) this trial relates to.

Behavior Psychological Well-Being

As listed by the trial registrant

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

Officers' skills and behaviors

Contacts and locations

Locations

  • Columbia University in the CIty of New York

    New York, New York, 10032, United States