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Observational Study of Ketamine Infusions for the Treatment of Chronic Pain

NCT ID: NCT05477004

Last Updated: 2025-12-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ENROLLING_BY_INVITATION

Total Enrollment

100 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-06-01

Study Completion Date

2026-12-31

Brief Summary

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This observational study will collect prospectively specified data on patient characteristics and clinically relevant outcomes in patients who receive a ketamine infusion at Stanford Pain Management Center for the treatment of chronic pain, with the goal of identifying treatment responders and relationships between patient characteristics and treatment response.

Detailed Description

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Ketamine is a type of anesthetic drug which has been used off-label to treat chronic pain. The effectiveness of intravenous ketamine and its duration of effect are not well-understood. There is high variability in response to ketamine, and it remains unclear which patient characteristics are associated with favorable outcomes. This observational study will collect a wide range of patient-reported outcomes via digital surveys: once at baseline before treatment, and up to 7 follow-up surveys for up to 12 months following a single ketamine infusion. Survey data will be supplemented by clinical data obtained from electronic medical records.

Conditions

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Chronic Pain

Keywords

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ketamine chronic pain pain syndrome neuropathic pain complex regional pain syndrome intractable pain

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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Open label ketamine

Patients who receive a ketamine infusion for the treatment of chronic pain in the course of usual clinical care

Ketamine

Intervention Type DRUG

A multi-day continuous ketamine infusion delivered intravenously at subanesthetic doses in a monitored setting

Interventions

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Ketamine

A multi-day continuous ketamine infusion delivered intravenously at subanesthetic doses in a monitored setting

Intervention Type DRUG

Other Intervention Names

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Ketalar

Eligibility Criteria

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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.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Theresa Lii

OTHER

Sponsor Role lead

Responsible Party

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Theresa Lii

Clinical Scholar

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Theresa Lii, MD

Role: PRINCIPAL_INVESTIGATOR

Stanford University

Locations

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Stanford University

Stanford, California, United States

Site Status

Countries

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United States

Other Identifiers

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62561

Identifier Type: -

Identifier Source: org_study_id