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Can ketamine ease chronic pain? new study seeks answers

NCT ID NCT05477004

Symptom relief Sponsor: Theresa Lii 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at adults with chronic pain who receive ketamine infusions at Stanford's Pain Management Center. Researchers want to understand which patients improve and what factors predict a good response. The goal is to better tailor this treatment to individuals.

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.

Started

Jun 2022

Expected to finish

Dec 2026

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.

Who is studied

This study population consists of adults who receive a ketamine infusion for the treatment of any chronic pain condition. All patients who are scheduled for a ketamine infusion through Stanford's Pain Management Center during this study's enrollment period are contacted for screening.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Has been seen at Stanford's Pain Management Center for a doctor's visit at least once. * Is scheduled to undergo at least 1 ketamine infusion for the treatment of any chronic pain condition. * Have a valid email address and consents to receiving surveys by email. * Able to read, understand, and respond to English-language surveys on an electronic device such as a cell phone, tablet, or computer. * Able to read, understand, and provide written, dated informed consent. Exclusion Criteria: * Has their ketamine infusion cancelled, which may occur before or after consenting to this study.

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Conditions

The condition(s) this trial relates to.

Chronic Pain chronic pain syndrome complex regional pain syndrome neuralgia Pain, Intractable somatoform disorder

As listed by the trial registrant

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

Chronic pain

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Stanford University

    Stanford, California, 94305, United States

More trials for these conditions

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