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This pilot randomized controlled trial aims to recruit 66 community-dwelling older adults with chronic low back pain and follow up them for 8 weeks. This study aims to test the preliminary effect of a mindfulness-based meditation (MBM) intervention on pain and symptoms among community-dwelling older adults with chronic low back pain, and also to test the effect of the MBM intervention on the host Gut-Brain Axis (GBA).
Aim 1: to test the preliminary effect of a mindfulness-based meditation (MBM) intervention on pain and symptoms among community-dwelling older adults with chronic low back pain.
Hypothesis: We hypothesize that our active mindfulness-based meditation intervention will be feasible and acceptable to community-dwelling older adults with chronic low back pain and improve pain and symptoms to a greater extent than older adults randomized to a sham mindfulness-based meditation group.
Aim 2: to test the effect of the mindfulness-based meditation intervention on the host Gut-Brain Axis (GBA).
Hypothesis: We hypothesize that older adults randomized to the active mindfulness-based meditation intervention will have significantly improved compositional patterns and functional profiles of gut microbiota and increased pain-related cortical response measured by functional near-infrared spectroscopy (fNIRS) to a greater extent than older adults randomized to the sham mindfulness-based meditation group at 2-weeks post-intervention, and 8-weeks follow up.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Active MBM | Experimental | The active MBM is designed to be applied for 20 minutes per session daily. |
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| Sham MBM | Sham Comparator | The sham MBM intervention matches the active MBM |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Active MBM | Behavioral | The MBM is designed to be applied for 20 minutes per session daily for two weeks. The recording will instruct participants to close their eyes, connect to the openness of one's minds, and mindfully maintain and deepen the connection through breathing with more openness and awareness. The MBM intervention will include three recordings that gradually take the participant into a more profound meditation practice. Participants will be instructed to listen to Meditation 1 for the first three days of the intervention, then switch to Meditation 2 for days 4-6 and Meditation 3 for the remainder of the 2-week intervention. The participants will be asked to practice meditation for eight weeks (6 weeks after the initial two weeks of MBM practice). |
| Measure | Description | Time Frame |
|---|---|---|
| Change in pain intensity and interference | Pain Inventory (BPI) will be used to assess the multidimensional aspects of pain, its location, intensity, and interference. A higher score indicated higher pain intensity with 0 indicating no pain and 10 indicating the worst pain. A higher score of pain interference means daily functions are more impacted by pain, and 0 indicates no pain interference, and 10 means the worst pain interference. | Baseline and 2 weeks and 8 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Change in pain sensitivities | Quantitative sensory testing (QST) will be used to measure sensitivity to experimental pain with standardized stimuli to test both nociceptive and non-nociceptive systems. | Baseline and 2 weeks and 8 weeks |
| Change in pain modulation |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Jie Chen | Contact | (850) 645-0657 | jc22db@fsu.edu |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Florida State University | Recruiting | Tallahassee | Florida | 32308 | United States |
Deidentified data will be available upon reasonable request. Requests to access these datasets should be directed to jc22db@fsu.edu.
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| Sham MBM | Behavioral | The sham MBM intervention was also recorded. The sham recording will instruct participants to relax and take deep breaths every 3 minutes without the specific mindfulness-based instructions (e.g., practicing mindful attention to the breath in a non-evaluative manner). All other aspects of the sham MBM intervention (e.g., body position, time spent listening to instructions, eyes closed) will match the active MBM. |
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Conditioned pain modulation (CPM) will also be measured. The CPM effect will be calculated as the pressure pain threshold difference between the rating at the initiation and the rating at the 60 seconds of the cold stimuli. |
| Baseline and 2 weeks and 8 weeks |
| Change in chronic pain self-efficacy | Chronic Pain Self-Efficacy Scale (CPSES) will be used to measure pain self-efficacy with scores from 0-100, higher scores indicating improved self-efficacy. | Baseline and 2 weeks and 8 weeks |
| Change in anxiety | The Patient-Reported Outcomes Measurement Information System (PROMIS) profile will be used to measure the co-occurring anxiety. The T-score of PROMIS measurement ranges from 0 to 100 and a higher T-score indicates a more severe symptom reported by the subjects. A T-score greater than 50 means participants have more severe symptoms than the healthy population. | Baseline and 2 weeks and 8 weeks |
| Change in depression | The Patient-Reported Outcomes Measurement Information System (PROMIS) profile will be used to measure the co-occurring depression. The T-score of PROMIS measurement ranges from 0 to 100 and a higher T-score indicates a more severe symptom reported by the subjects. A T-score greater than 50 means participants have more severe symptoms than the healthy population. | Baseline and 2 weeks and 8 weeks |
| Change in fatigue | The Patient-Reported Outcomes Measurement Information System (PROMIS) profile will be used to measure the co-occurring fatigue. The T-score of PROMIS measurement ranges from 0 to 100 and a higher T-score indicates a more severe symptom reported by the subjects. A T-score greater than 50 means participants have more severe symptoms than the healthy population. | Baseline and 2 weeks and 8 weeks |
| Change in sleep disturbance | The Patient-Reported Outcomes Measurement Information System (PROMIS) profile will be used to measure the co-occurring sleep disturbance. The T-score of PROMIS measurement ranges from 0 to 100 and a higher T-score indicates a more severe symptom reported by the subjects. A T-score greater than 50 means participants have more severe symptoms than the healthy population. | Baseline and 2 weeks and 8 weeks |
| Change in pain-related cortical response | Cortical activity associated with pain stimuli will be assessed utilizing a continuous-wave, multichannel functional near-infrared spectroscopy (fNIRS) imaging system (LIGHTNIRS, Shimadzu, Kyoto, Japan) equipped with three semiconductor lasers emitting at 780, 805, and 830 nm. Optical data will be gathered while subjects undergo thermal pain stimulation. | Baseline and 2 weeks and 8 weeks |
| Measurement and comparison of fecal microbiota alpha diversity, beta diversity, and abundance of microbial taxa in the human gut | The 16S rRNA V4 region will be amplified and sequenced by using stool samples to depict the fecal microbiota alpha diversity, beta diversity, and abundance of microbial taxa in the human gut. | Baseline and 2 weeks and 8 weeks |