How many chiropractic visits work best for Veterans' back pain?
NCT ID NCT04087291
First seen Jun 26, 2026 · Last updated Aug 12, 2026 · Updated 3 times
Summary
This completed study looked at how different amounts of chiropractic care affect chronic low back pain in 766 veterans. In the first phase, participants received either 1-5 or 8-12 visits over 10 weeks. Then, some continued with monthly maintenance visits for 10 months. The goal was to see which dose best reduces pain and disability, and how it affects overall healthcare use.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- chiropractic care (spinal manipulation, myofascial therapy, exercise, education)
- What this could lead to
- If successful, this could help determine the optimal number of chiropractic visits for managing chronic low back pain in veterans, potentially improving care guidelines.
- What could go wrong
- This is a completed pragmatic trial, so results are available. However, findings may not apply to non-veterans or those with different back pain causes. The study compares doses, not chiropractic versus no treatment.
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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766 people
The number who actually took part.
- Started
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Feb 2021
- Finished
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May 2025
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 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: * Veterans aged ≥ 18 years * Self-reported cLBP * Has low back related pain and disability * Able to comprehend study details without need for a proxy * Diagnostic confirmation of neuromusculoskeletal LBP * Willing and able to attend up to 1 year of outpatient chiropractic visits Exclusion Criteria: * Any condition prohibiting or contraindicating chiropractic care * Inability to complete outcomes and/or provide informed consent as determined by the site SC during the consent process * Established plans to move within 3 months * Under active chiropractic care * No phone * No email address * Participating in another study investigating treatment(s) for pain * Current or planned hospice care * Current or planned 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.
Contacts and locations
Locations
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Iowa City VA Health Care System
Iowa City, Iowa, 52246, United States
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Minneapolis VA Health Care System
Minneapolis, Minnesota, 55417, United States
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VA Connecticut Healthcare System
West Haven, Connecticut, 06516, United States
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VA Greater Los Angeles Health Care System
Los Angeles, California, 90073, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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