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Brain Imaging and Pain in Irritable Bowel Syndrome

Brain Imaging and Pain: Analysis of Placebo Analgesia

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00065754
Enrollment
50
Registered
2003-08-01
Start date
2003-09-30
Completion date
2007-12-31
Last updated
2011-09-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Irritable Bowel Syndrome

Keywords

Placebo, Analgesia, Pain, Brain mechanism, Expectation

Brief summary

This study examines the mechanisms, including brain imaging of placebo analgesia

Interventions

DRUGplacebo

Sponsors

National Center for Complementary and Integrative Health (NCCIH)
CollaboratorNIH
National Institute of Neurological Disorders and Stroke (NINDS)
CollaboratorNIH
University of Florida
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
FACTORIAL
Masking
DOUBLE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* Irritable Bowel Syndrome * English speaking

Exclusion criteria

* Chronic pain condition other than Irritable Bowel Syndrome * Medical condition that would contraindicate use of lidocaine * Clinical criteria for fibromyalgia * Presence of systemic disease such as diabetes, thyroid, gastrointestinal or liver disease, collagen vascular disease, malignancy, focal or neurological * Seropositive HIV * Pregnancy

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026