Multimodal Imaging and Biospecimen Collection for Low Back Pain (LBPB)
NCT ID: NCT06967363
Last Updated: 2025-05-13
Study Results
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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NOT_YET_RECRUITING
360 participants
OBSERVATIONAL
2025-05-15
2028-12-31
Brief Summary
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The study will also assess the impact of comorbid conditions such as anxiety, depression, and sleep disturbances on pain perception and clinical outcomes. Longitudinal analyses will explore the dynamic interplay between emotion, cognition, sleep, and pain to inform precision, mechanism-based interventions.
Functional imaging will be used to examine brain responses to nociceptive modulation, aiming to identify neural circuits involved in pain chronification. By integrating multimodal data-including neuroimaging, neurophysiology, microbiota profiling, polysomnography, and molecular assays-the study will define LBP subtypes, with a particular focus on nociceptive, neuropathic, and nociplastic mechanisms. The ultimate goal is to establish prognostic biomarkers and advance personalized strategies for LBP prevention and treatment.
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Detailed Description
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The study includes individuals with both acute and chronic LBP to capture diverse clinical trajectories and identify determinants of recovery versus chronification. A central objective is to establish a well-curated biobank containing high-quality biospecimens (e.g., blood, stool) and multimodal datasets to facilitate future research in genomics, connectomics, microbiome science, and biomarker discovery.
Following a one-week run-in period to confirm eligibility, participants undergo comprehensive, multidimensional phenotyping. This includes clinical evaluation, self-reported outcomes, quantitative sensory testing, polysomnography (PSG), structural and functional magnetic resonance imaging (fMRI), heart rate variability (HRV), and microbiota profiling. Treatments-including conservative care (e.g., medications, health education), interventional procedures (e.g., nerve blocks), or surgery (e.g., endoscopic lumbar discectomy)- will be administered based on individualized clinical assessment.
All participants will undergo deep phenotyping at baseline, with follow-up assessments at 1 month, 3 months, 6 months and 1 year post-enrollment. Functional MRI scans will be conducted at baseline; 1 day before and after surgery or interventional procedures (if applicable); and at 1 month, 3 months, 6 months, and 1 year. If patients do not show significant improvement within 4 weeks or experience worsening symptoms, their treatment will be reassessed, and secondary interventions such as CBT, alternative medications, or further surgery will be considered based on their needs and progress.
The study investigates key systems involved in pain processing and chronification, including brain networks, central and peripheral nervous system activity, immune and inflammatory pathways, autonomic regulation, and the gut-brain axis. Longitudinal tracking will be used to analyze changes in these biological systems and their associations with clinical outcomes such as pain persistence, sleep quality, emotional distress, and functional status. Ultimately, this research aims to identify mechanistic biomarkers and define LBP subtypes to support the development of personalized, mechanism-based interventions for more effective prevention and treatment.
Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Non-surgical group
Participants receiving conventional treatment such as medication , exercise, physical therapy, psychotherapy ( acceptance and realization therapy, pain reprocessing therapy, and cognitive behavior therapy) etc.,
Medication
The treatment of lumbar pain typically involves a multimodal approach combining medications based on the specific type of pain and patient needs. NSAIDs, acetaminophen, and muscle relaxants are often first-line treatments for nociceptive pain, while opioids and anticonvulsants like pregabalin are used for more severe or neuropathic pain. The choice of medication is guided by the severity of the pain, its underlying causes, and the patient's response to treatment. Each class of medication has its strengths and limitations, and the decision to use them must take into account factors like patient safety, the risk of side effects, and long-term efficacy.
Psychotherapy
Cognitive Behavioral Therapy (CBT): This structured, goal-oriented therapy focuses on identifying and changing negative thought patterns, cognitive distortions, and maladaptive behaviors associated with chronic pain. CBT equips patients with coping strategies to reframe thoughts, reduce pain-related anxiety, and enhance emotional regulation, thereby improving overall function and quality of life. CBT can include techniques such as cognitive restructuring, relaxation training, and behavioral activation.
Acceptance and Commitment Therapy (ACT): ACT encourages individuals to accept pain and distressing emotions rather than avoiding them. It emphasizes mindfulness, acceptance, and values-based living, helping patients focus on behaviors that align with their values, despite ongoing pain.
Surgical group
Participants undergoing surgical interventions, such as nerve block, or endoscopic lumbar discectomy.
Nerve Block
The "nerve block" intervention in this study involves the targeted administration of anesthetic agents and corticosteroids to specific nerves or nerve roots to alleviate pain associated with low back pain. This procedure is performed under imaging guidance (e.g., fluoroscopy or ultrasound) to ensure precise delivery of the medication to the affected nerve. It aims to temporarily block the transmission of pain signals from the affected area to the brain, providing relief and allowing for a better assessment of the underlying pain mechanism. The nerve block is distinguished from other interventions in this study by its localized approach, focusing on pain modulation through direct neural targeting, rather than systemic pain management methods. The procedure may be used either as a standalone treatment or in conjunction with other therapies (e.g., physical therapy, medications) based on the patient's individual needs and response to treatment.
endoscopic spinal disecetomy
The Endoscopic Lumbar Discectomy is a minimally invasive surgical procedure designed to treat symptomatic lumbar disc herniations by removing the protruding or damaged disc material that is pressing on the nerve roots. This intervention is distinguished by the use of endoscopic technology, which allows for a smaller incision, real-time visualization of the affected area via an endoscope, and the removal of herniated disc tissue with minimal disruption to surrounding structures. Unlike traditional open discectomy, which requires larger incisions and muscle dissection, endoscopic discectomy involves the use of a small tubular retractor and specialized instruments, leading to reduced blood loss, shorter recovery times, and less postoperative pain.
This procedure is typically performed under local anesthesia, and the patient is often able to go home the same day. It is specifically designed for patients with lumbar disc herniations who have not responded to conservative way.
Interventions
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Nerve Block
The "nerve block" intervention in this study involves the targeted administration of anesthetic agents and corticosteroids to specific nerves or nerve roots to alleviate pain associated with low back pain. This procedure is performed under imaging guidance (e.g., fluoroscopy or ultrasound) to ensure precise delivery of the medication to the affected nerve. It aims to temporarily block the transmission of pain signals from the affected area to the brain, providing relief and allowing for a better assessment of the underlying pain mechanism. The nerve block is distinguished from other interventions in this study by its localized approach, focusing on pain modulation through direct neural targeting, rather than systemic pain management methods. The procedure may be used either as a standalone treatment or in conjunction with other therapies (e.g., physical therapy, medications) based on the patient's individual needs and response to treatment.
endoscopic spinal disecetomy
The Endoscopic Lumbar Discectomy is a minimally invasive surgical procedure designed to treat symptomatic lumbar disc herniations by removing the protruding or damaged disc material that is pressing on the nerve roots. This intervention is distinguished by the use of endoscopic technology, which allows for a smaller incision, real-time visualization of the affected area via an endoscope, and the removal of herniated disc tissue with minimal disruption to surrounding structures. Unlike traditional open discectomy, which requires larger incisions and muscle dissection, endoscopic discectomy involves the use of a small tubular retractor and specialized instruments, leading to reduced blood loss, shorter recovery times, and less postoperative pain.
This procedure is typically performed under local anesthesia, and the patient is often able to go home the same day. It is specifically designed for patients with lumbar disc herniations who have not responded to conservative way.
Medication
The treatment of lumbar pain typically involves a multimodal approach combining medications based on the specific type of pain and patient needs. NSAIDs, acetaminophen, and muscle relaxants are often first-line treatments for nociceptive pain, while opioids and anticonvulsants like pregabalin are used for more severe or neuropathic pain. The choice of medication is guided by the severity of the pain, its underlying causes, and the patient's response to treatment. Each class of medication has its strengths and limitations, and the decision to use them must take into account factors like patient safety, the risk of side effects, and long-term efficacy.
Psychotherapy
Cognitive Behavioral Therapy (CBT): This structured, goal-oriented therapy focuses on identifying and changing negative thought patterns, cognitive distortions, and maladaptive behaviors associated with chronic pain. CBT equips patients with coping strategies to reframe thoughts, reduce pain-related anxiety, and enhance emotional regulation, thereby improving overall function and quality of life. CBT can include techniques such as cognitive restructuring, relaxation training, and behavioral activation.
Acceptance and Commitment Therapy (ACT): ACT encourages individuals to accept pain and distressing emotions rather than avoiding them. It emphasizes mindfulness, acceptance, and values-based living, helping patients focus on behaviors that align with their values, despite ongoing pain.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
2. Diagnosis of low back pain, defined as pain located between the lower costal margins and the gluteal folds, with or without leg pain.
3. Eligible for surgical or non-surgical treatments.
4. Willingness to undergo neuroimaging (fMRI), microbiota sampling, psychological assessments, and other related study procedures. Ability to provide written informed consent.
Exclusion Criteria
2. Antibiotic or probiotic use within the past 4 weeks. Suffering from digestive diseases such as irritable bowel syndrome, gastric ulcer, duodenal ulcer, etc.;
3. Diagnosed spinal infections, tumors, fractures, or inflammatory diseases (e.g., ankylosing spondylitis).
4. Known severe psychiatric disorders (e.g., schizophrenia, bipolar disorder) that would interfere with study participation.Head trauma; history of substance abuse.
5. Contraindications to MRI scanning (e.g., pacemaker, metallic implants, severe claustrophobia).
6. Pregnant or breastfeeding women.
7. Participation in another interventional clinical trial within the past 3 months.
8. Working at night shifts or travelling across time zones in the past 6 months.
9. Excessive consumption of coffee, tea.
18 Years
85 Years
ALL
No
Sponsors
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National Natural Science Foundation of China
OTHER_GOV
Peking University Third Hospital
OTHER
Responsible Party
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Jie Sun
associate professor
Principal Investigators
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Jie Sun
Role: PRINCIPAL_INVESTIGATOR
Peking University Third Hospital
Locations
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Peking university third hospital
Beijing, Beijing Municipality, China
Peking University Third Hospital
Beijing, Beijing Municipality, China
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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M2023570
Identifier Type: -
Identifier Source: org_study_id
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