Veterans' fibromyalgia pain: can exercise and brain chemistry offer clues?
NCT ID NCT06574165
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at how mood, brain inflammation, and exercise are linked to pain in 60 veterans with fibromyalgia. Participants will do a 6-week supervised walking program and complete pain, mood, and blood tests. The goal is to understand these connections and design a better exercise program for veterans.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Moderate Intensity Continuous Training (aerobic exercise program)
- What this could lead to
- If successful, this could point toward a personalized exercise program that helps veterans with fibromyalgia better manage chronic pain.
- What could go wrong
- This is an early-stage, small study (60 participants) focused on understanding links, not testing a treatment. Results may not apply to all fibromyalgia patients.
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
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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
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About 60 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2024
- Expected to finish
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Oct 2026
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a US federal agency other than the NIH.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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19 to 85 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: Inclusion Criteria for Veterans living with FM: * Inclusion Criteria (FM) Age 19 years or older * Widespread pain index (WPI) 7 and symptom severity scale (SSS) score 5 OR WPI 4-6 and SSS score 9 * Generalized pain, defined as pain in at least 4 of 5 regions, is present * Symptoms have been present at a similar level for at least 3 months * A diagnosis of FM is valid irrespective of other diagnoses. A diagnosis of FM does not exclude the presence of other clinically important illnesses * PTSD Checklist-Stressor-Specific Version 1 re-experiencing (intrusion) symptom, 3 avoidance (numbing) symptoms, and 2 hyperarousal symptoms, each present at the level of moderate or higher during the past month, and if the total severity score is 50 or higher Inclusion Criteria for Veterans living without FM: * Age-matched to participant with FM Exclusion Criteria: Exclusion Criteria for Veterans living with FM: * Neurological disorder * Body mass index \> 40 * Chronic kidney disease * Severe cardiac condition (chronic heart failure, stenosis, history of cardiac arrest, defibrillator, angina) * Ischemic heart disease * 90 days of daily opioid use * Beta-blocker * Inability to consent for study participation (9) Significant cognitive impairment, defined as a known diagnosis of dementia (10) MRI contraindications (11) Pregnancy Exclusion Criteria for Veterans living without FM: * Active use of medications affecting pain responses * Neurological disorder * Body mass index \> 40 * MRI contraindications * Pregnancy
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Birmingham VA Medical Center, Birmingham, AL
RECRUITINGBirmingham, Alabama, 35233-1927, United States
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