Veterans Response to Dosage in Chiropractic Therapy

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

COMPLETED

Clinical Phase

NA

Total Enrollment

766 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-02-22

Study Completion Date

2025-05-20

Brief Summary

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This study evaluates how Veterans with chronic low back pain (cLBP) respond to varying doses of chiropractic therapy and how health services utilization are impacted as a result.

There are 2 phases in this study. In Phase 1, half of participants will receive a low dose (1-5 visits) of chiropractic care for 10 weeks, while the other half will receive a higher dose (8-12 visits) for 10 weeks. At the end of Phase 1, participants in each group will be randomized again to receive either chronic chiropractic pain management (CCPM) (1 scheduled chiropractic visit per month x 10 months) or no CCPM for 10 months.

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Detailed Description

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The combination of chronic low back pain (cLBP) and high medication use negatively impacts Veterans' work productivity and quality of life, and generates substantial risk for long-term disability and opioid addiction. Although non-pharmacological therapies, such as those commonly used by doctors of chiropractic (DCs), are recommended by recent guidelines for treatment of cLBP, the optimal patterns of chiropractic use, clinical impact of chiropractic treatment on other health services utilization, and long-term effectiveness of chiropractic care is unknown.

This is a pragmatic, parallel groups, multisite randomized trial. Veterans with cLBP are randomly allocated to undergo a course of a low dose (1-5 visits) or a higher dose (8-12 visits) of multimodal, evidence-based chiropractic care for 10 weeks (Phase 1). The investigators hypothesize that a higher dose (8-12 visits) of chiropractic care will be more effective in improving function and reducing pain intensity and pain-related interference in Veterans with cLBP compared to a low dose (1-5 visits).

After Phase 1, participants within each treatment arm will be randomly allocated again to receive either chronic chiropractic pain management (CCPM) consisting of scheduled monthly chiropractic care or no CCPM for 10 months. The investigators hypothesize that CCPM (1 scheduled chiropractic visit per month x 10 months) will result in improved function, and reduced pain intensity, pain-related interference, and average number of days per week with low back pain (LBP) in Veterans with cLBP compared to no CCPM.

This study will also evaluate the impact of CCPM on health services outcomes compared to no CCPM. Evaluation of health services utilization at 52 weeks will include use of prescription medications, including opioids, referrals and number of visits to other healthcare professionals or service lines (physical therapy, injections, surgery, etc.), and hospitalizations for any cause and for cLBP.

Finally, the investigators will evaluate patient and clinician perceptions of non-specific treatment factors, effectiveness of study interventions, and impact of the varying doses of standard chiropractic care and the CCPM on clinical outcomes across 4 VA facilities using a mixed method, process evaluation approach.

Conditions

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Low Back Pain Patient Acceptance of Health Care Veterans Health

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

This pragmatic, parallel groups, multisite randomized trial will include Veterans with cLBP who will be randomly allocated to undergo a course of a low dose (1-5 visits) or a higher dose (8-12 visits) of multimodal, evidence-based chiropractic care for 10 weeks (Phase 1). Group allocation will occur through a 1:1 ratio by a predetermined, computer-generated, restricted randomization scheme with random block sizes, stratified by site and sex. After Phase 1, participants within each treatment arm will be randomly allocated again to receive either chiropractic chronic pain management (CCPM) consisting of scheduled monthly chiropractic care or no CCPM for 10 months. This second group allocation will also occur through a 1:1 ratio to Phase 2 within low dose or higher dose in Phase 1 by a predetermined, computer-generated, restricted randomization scheme with random block sizes, stratified by site and sex.

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

DOUBLE

Investigators Outcome Assessors

Doctors of Chiropractic (DCs), site study coordinators (SCs), participants and interviewers will not be blinded to treatment group assignment; DCs will not see research outcome measures; statisticians will be blinded to treatment group assignment during data analysis; and research personnel conducting Computerized Adaptive Testing Interviews (CATIs) will be blinded to study group.

Study Groups

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Phase 1: Low Dose (1-5 visits)

Veterans with cLBP who will be randomly allocated to undergo a course of a low dose (1-5 visits) of multimodal, evidence-based chiropractic care for 10 weeks (Phase 1).

Group Type ACTIVE_COMPARATOR

Chiropractic Care

Intervention Type OTHER

Chiropractic interventions:

1. Patient education.
2. Passive interventions, such as spinal manipulation and myofascial therapies which include thrust type (high velocity-low amplitude) spinal manipulation for the low back, non-thrust manipulation (joint mobilization), and use of manually held instruments, such as an Activator. Myofascial therapies are also commonly used, such as myofascial release and trigger point therapy.
3. Transitional interventions, such as therapeutic exercise.
4. Recommendations for active interventions, such as general exercise and mind-body therapies.
5. Self-management advice, which refers to advice given to build the capacity of a person to self-monitor, control, and/or reduce the impact of a condition over time.

Phase 1: Higher Dose (8-12 visits)

Veterans with cLBP who will be randomly allocated to undergo a course of a higher dose (8-12 visits) of multimodal, evidence-based chiropractic care for 10 weeks (Phase 1).

Group Type ACTIVE_COMPARATOR

Chiropractic Care

Intervention Type OTHER

Chiropractic interventions:

1. Patient education.
2. Passive interventions, such as spinal manipulation and myofascial therapies which include thrust type (high velocity-low amplitude) spinal manipulation for the low back, non-thrust manipulation (joint mobilization), and use of manually held instruments, such as an Activator. Myofascial therapies are also commonly used, such as myofascial release and trigger point therapy.
3. Transitional interventions, such as therapeutic exercise.
4. Recommendations for active interventions, such as general exercise and mind-body therapies.
5. Self-management advice, which refers to advice given to build the capacity of a person to self-monitor, control, and/or reduce the impact of a condition over time.

Phase 2: CCPM

After Phase 1, Veterans with cLBP who will be randomly allocated again to receive chiropractic chronic pain management (CCPM) consisting of scheduled monthly chiropractic care for 10 months.

Group Type ACTIVE_COMPARATOR

Chiropractic Care

Intervention Type OTHER

Chiropractic interventions:

1. Patient education.
2. Passive interventions, such as spinal manipulation and myofascial therapies which include thrust type (high velocity-low amplitude) spinal manipulation for the low back, non-thrust manipulation (joint mobilization), and use of manually held instruments, such as an Activator. Myofascial therapies are also commonly used, such as myofascial release and trigger point therapy.
3. Transitional interventions, such as therapeutic exercise.
4. Recommendations for active interventions, such as general exercise and mind-body therapies.
5. Self-management advice, which refers to advice given to build the capacity of a person to self-monitor, control, and/or reduce the impact of a condition over time.

Phase 2: No CCPM

After Phase 1, Veterans with cLBP who will be randomly allocated again to receive no CCPM in which they will receive no chiropractic care for 10 months.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Chiropractic Care

Chiropractic interventions:

1. Patient education.
2. Passive interventions, such as spinal manipulation and myofascial therapies which include thrust type (high velocity-low amplitude) spinal manipulation for the low back, non-thrust manipulation (joint mobilization), and use of manually held instruments, such as an Activator. Myofascial therapies are also commonly used, such as myofascial release and trigger point therapy.
3. Transitional interventions, such as therapeutic exercise.
4. Recommendations for active interventions, such as general exercise and mind-body therapies.
5. Self-management advice, which refers to advice given to build the capacity of a person to self-monitor, control, and/or reduce the impact of a condition over time.

Intervention Type OTHER

Other Intervention Names

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Manipulation, Chiropractic

Eligibility Criteria

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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

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No