Symptoms and General Pathology

All Conditions

Nervous System Diseases

Rare Diseases

Back Pain

Pain

Neurologic Manifestations

Chronic Graft Versus Host Disease

Analgesics

All Drugs and Chemicals

Central Nervous System Depressants

Anti-Inflammatory Agents

Psychotropic Drugs

Analgesics, Opioid

Antidepressive Agents

Analgesics, Non-Narcotic

This group will consist of eligible, consenting, participants attending centers randomized to ongoing usual medical care.

This group will consist of eligible, consenting, participants attending centers randomized to ongoing usual medical care plus chiropractic care.

In both the intervention and control arms of the study, usual medical care will be defined as any and all medical care provided to patients with chronic non-cancer back or neck pain at an Ontario CHC, including: primary care provider consultation visits, prescription medication (e.g., muscle relaxants, anti-inflammatories, anti-depressants, opioid and non-opioid analgesics), referral for diagnostic testing (e.g., lab work, imaging) or specialist consultation, as well as other co-interventions (e.g., visits with nurses, dieticians, social workers, or physiotherapists) as required. All participants will also receive opioid-reduction encouragement as per each CHC's current practices. Due to socioeconomic disadvantages, most CHC patients will be unlikely to access private health care services, including chiropractic care, elsewhere. Nevertheless, the investigators will collect data on other health care utilization and conduct all analyses using an intention-to-treat principle.

Usual Medical Care

Treatment sessions may include high-velocity, low-amplitude spinal manipulative therapy, as well as any or all of the following: spinal mobilization, soft-tissue massage/trigger point therapy, education and reassurance (e.g., pain management, ergonomic and activities of daily living recommendations), and home advice (e.g., icing, spinal stretching, and core muscle strengthening exercises). Primary care providers will also engage participants in a formal collaborative effort with the chiropractic clinicians to reduce opioid use. Consistent with current clinical practice guidelines, participants will be provided up to a maximum of 12 chiropractic visits during the active care period, although participants may continue with treatment after the 8-week period (e.g., one visit, every 2-4 weeks) to manage further episodes of exacerbation/flare-up. Aside from the experimental intervention, participants in both study groups will follow the same protocol to minimize non-specific effects.

Usual Medical Care + Chiropractic Care

Peter C Emary, DC, PhD

Jason W Busse, DC, PhD

Amy L Brown, DC

The investigators will conduct a pilot cluster randomized controlled trial (RCT) of chiropractic care added to usual medical care, versus usual medical care alone, for adult patients prescribed opioid therapy for chronic non-cancer spinal pain at four community health centers (CHCs) in Ontario, Canada. These centers provide services to communities and vulnerable populations with high unemployment rates, multiple co-morbidities, and high rates of chronic musculoskeletal disorders that are commonly managed with prescription opioids.

The investigators hypothesize that a full-scale (definitive) cluster RCT on the impact of chiropractic care on prescription opioid use for chronic non-cancer spinal pain will be feasible within the Ontario CHC context.

The investigators will conduct a cluster-randomized, 2-arm, data analyst-blinded feasibility RCT at four Ontario CHCs. The CHCs will be paired on clinical characteristics (e.g., size of patient roster, geographic location), and one center from each pair will be randomized to the intervention and control groups. At each of the four centers, the investigators will recruit adult patients with active opioid prescriptions for chronic non-cancer spinal pain (minimum dose of 50 mg morphine equivalents daily) who are not currently receiving chiropractic care and are interested in reducing their opioid dose. Each center (cluster) will be allocated to provide 8 weeks of usual medical care plus chiropractic care or usual medical care alone to enrolled participants. Random cluster allocation will be performed by an investigator blinded to the intervention group assignment. To further minimize the possibility of selection bias, clusters will be identified and recruited before randomization, and all eligible (and consenting) patients in each cluster will be included. The pilot trial will be coordinated by the Methods Centre within the Department of Surgery at McMaster University.

The primary aims of this study will be to: (1) estimate recruitment rates at the individual centers, (2) explore adherence to the study protocol, (3) investigate completeness of data collection, and (4) assess the ability to follow-up participants. The investigators will incorporate qualitative methods during the pilot trial (i.e., convergent, mixed methods experimental design) to complement the feasibility measures. The investigators will also collect preliminary data on the outcomes planned for a definitive trial: opioid use, pain, disability, bothersomeness, satisfaction, other health care utilization, work status, quality of life, and adverse events at 2, 4, 8, and 12 weeks from allocation.

Cluster-randomized, 2-arm, data analyst-blinded feasibility trial

Due to the nature of the intervention, it will not be possible to blind patients, study personnel, or clinicians to treatment allocation. However, data analysts and investigators responsible for interpreting results will be blinded to treatment allocation until all data have been analyzed and interpreted.

The Effect of Chiropractic Care on Opioid Use for Chronic Spinal Pain: A Feasibility Study

Impact of Chiropractic Care on Opioid Use Among Adults With Chronic Non-Cancer Spinal Pain: A Pilot Cluster Randomized Controlled Trial

Supporting information will be made available from the Central Contact Person/Principal Investigator on reasonable request.

Study personnel will collect data on adverse events (e.g., muscle soreness, joint pain, stiffness, headache, dizziness, nausea, vomiting, constipation, radiating symptoms, paresthesia, or fatigue) at each follow-up visit and record this information in an online data capture system (REDCap Cloud). Participants will be asked: "Did you experience any side effects or problems after your last treatment visit? If yes, please specify: (check all that apply) (Pain or stiffness; Numbness/Pins and needles; Headache; Dizziness; Nausea; Vomiting; Constipation; Tiredness/Fatigue; Other, please specify: __________________)".

Recruitment rate of participants, measured as the number of eligible participants recruited (i.e., consented and enrolled) per week at each center.

Participant retention, measured as the percentage of participants successfully followed for the 12-week study period. The investigators will consider the pilot successful if at least 80% follow-up is achieved at 12 weeks for the primary definitive trial outcomes (i.e., total prescribed opioid usage, and levels of pain intensity and function as measured by the Bournemouth Questionnaire).

Participant compliance with appointment schedules, measured as the percentage of scheduled appointments attended. The investigators will consider 70% attendance to signify feasibility.

Measured as the percentage of items completed on patient-reported outcome questionnaires. The investigators will claim feasibility with 80% or greater completion of the Bournemouth and EuroQol 5 Domain (5 level version) questionnaires.

Study personnel will extract opioid prescription data from participants' individual electronic medical records to obtain the number of chronic non-cancer spinal pain-related opioid prescriptions (i.e., unique opioid fills and subsequent refills) from baseline to 12-week follow-up. Opioid dosage will be measured in milligrams (mg) of morphine equivalents daily (MED). To calculate the MED for each prescribed opioid, the investigators will multiply the quantity x the mg per unit dispensed x drug-specific conversion factors. In addition, the investigators will dichotomize opioid dosage as either high (e.g., ≥ 90 mg) MED or low (e.g., \< 90 mg) MED at baseline and each follow-up interval. The threshold for opioid dose will be dependent on the central tendency of MED in the patient sample. The investigators will also conduct a sensitivity analysis using a threshold of 50 mg MED.

The BQ consists of 7 items (i.e., pain intensity, function in activities of daily living, function in social activities, anxiety, depression levels, fear avoidance behavior, and locus of control/self-efficacy), each scored from 0-10 ("0" = no disability, "10" = complete disability) for a total of 70. To optimize interpretability, the investigators will convert mean effects to risk differences using the anchor-based minimally important difference (MID) of the BQ established for chronic low back pain patients.

Self-rated level of bothersomeness on a 5-point Likert scale from "Not at all bothersome" to "Extremely bothersome".

Self-rated satisfaction with care on a 5-point Likert scale from "Very satisfied" to "Very dissatisfied".

(a) Self-rated health status measured on 5 domains (i.e., mobility, self-care, usual activities, pain/discomfort, and anxiety/depression), each rated on a 5-point Likert scale from "No problems" to "Extreme problems"; and (b) Self-rated health status measured on a visual analog scale from 0-100 ("0" = worst health imaginable, "100" = best health imaginable). The investigators will convert mean effects to risk differences using the anchor-based MID of the EQ-5D established for chronic low back pain patients to optimize interpretability.

Participants will be asked: "Have you sought help from any other practitioner, such as your GP \[general practitioner\] or another healthcare professional, for this present episode of your painful complaint? If yes, please specify: (check all that apply) (GP; Nurse practitioner; Nurse; Dietician; Social worker; Community health worker; Physiotherapist; Other, please specify: __________________)."

Participants will be asked: "Since starting treatment at this clinic, have you sought help from any other practitioner, such as your GP or another healthcare professional, for your complaint? If yes, please specify: (check all that apply) (GP; Nurse practitioner; Nurse; Dietician; Social worker; Community health worker; Physiotherapist; Other, please specify: __________________)."

Participants will be asked: (a) "Are you currently employed? If yes, what is your occupation: __________________. If no, are you: (please check only one answer) (Retired; Home-maker; Student; Home on doctor's advice; Unemployed; Other, please specify: __________________)"; (b) "Are you receiving any disability benefits because of your spine pain? (please check only one answer) (Yes; No, but it's possible that I will; No, but it's likely I will; No, and it's very unlikely I will)"; and (c) "Are you currently involved with a lawyer (or ongoing litigation) as a result of your spine pain? (please check only one answer) (Yes; No, but it's possible that I will; No, but it's likely I will; No, and it's very unlikely I will)".

Surgical Methods Centre, McMaster University

Michael G. DeGroote Institute for Pain Research and Care

Ontario Chiropractic Association

Alliance for Healthier Communities

Michael G. DeGroote National Pain Centre

Canadian Chiropractic Research Foundation

McMaster University

Postdoctoral fellow, Michael G. DeGroote Institute for Pain Research and Care

Neoplasms

Digestive System Diseases

Behaviors and Mental Disorders

Colonic Neoplasms

Colorectal Neoplasms

Intestinal Neoplasms

Gastrointestinal Neoplasms

Digestive System Neoplasms

Gastrointestinal Diseases

Colonic Diseases

Intestinal Diseases

Quality of Life

Herbal and Botanical

Cola

Chiropractic high velocity low amplitude adjustment

HVLA cervical chiropractic adjustments

Stephanie Sullivan, DC, PhD

Yoram Gidron, PhD

The main objectives of this single-arm pilot trial are to investigate the feasibility of our protocol in terms of 1) recruitment, 2) adherence, 3) tolerability, 4) acceptability and 5) retention. We aim to recruit 20 participants with advanced colon cancer (stage 3-4) who will have assessments of their autonomic nervous system function, carcinoembryonic antigen (CEA) levels, and patient-reported outcomes. Thereafter, patients will be directed to a nearby field clinic to receive twice-weekly cervical assessments \& high-velocity, low-amplitude (HVLA) cervical adjustments for a period of 6 weeks. Re-assessments will be performed following 2 weeks and 6 weeks of chiropractic care.

After providing informed consent, individuals will undergo 6 weeks of chiropractic care. Throughout these 6 weeks there will be three assessments (Day 1, Week 2, and Week 6) that each include the following:

1. Isometric hand grip
2. Postural challenge
3. Patient-reported outcome surveys
4. Off-site blood draw for CEA level testing (only Day 0 and Week 6)

Each assessment will consist of the following recordings:

1. Electrodermal activity \[EDA\]
2. Impedance cardiography \[ICG\]
3. Electrocardiogram \[ECG\]

The Effects of Chiropractic in Adults With Colon Cancer

The Effects of Chiropractic Care on the Quality of Life and Autonomic Nervous System in Adults With Colon Cancer: a Single-arm Pilot Trial

Length of time needed to recruit target number of participants

Proportion of participants able to adhere to the testing \& treatment protocol/schedule

Proportion of participants able to perform all aspects of the testing regimen

8-item Theoretical Framework of Acceptability questionnaire

Proportion of enrolled participants who complete the full trial

2 sensors on first and second digits of non-dominant hand

5 questionnaires: EORTC QLQ-C30, COMPASS-31, PROMIS-29, PROMIS-Cog, Perceived Stress Scale

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
The Effect of Chiropractic Care on Opioid Use for Chronic Spinal Pain: A Feasibility Study	NCT06160947	Back Pain	Usual Medical C... Usual Medical C...	18 Years -	McMaster University
The Effects of Chiropractic in Adults With Colon Cancer	NCT05310565	Colon Cancer St... Colon Cancer St...	HVLA cervical c...	18 Years -	Life University

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