{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Pain+Patients",
    "query": {
      "condition": "Chronic Pain Patients"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 559,
    "total_pages": 56,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Pain+Patients&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T13:19:41.654Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT00640042",
      "title": "Evaluation of Risk Minimization, Assessment and Outcomes in Patients With Chronic Pain Taking Avinza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "morphine sulfate extended release capsules",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1570,
      "start_date": "2008-03",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2012-06-11",
      "last_synced_at": "2026-07-22T13:19:41.654Z",
      "location_count": 378,
      "location_summary": "Adamsville, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 314 more",
      "locations": [
        {
          "city": "Adamsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Sun Lakes",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00640042"
    },
    {
      "nct_id": "NCT00973024",
      "title": "A Dose-ranging Study of the Safety and Effectiveness of JNJ-42160443 as add-on Treatment in Patients With Low Back Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Low Back Pain",
        "Low Back Pain, Recurrent"
      ],
      "interventions": [
        {
          "name": "JNJ-42160443 3 mg",
          "type": "DRUG"
        },
        {
          "name": "JNJ-42160443 1 mg",
          "type": "DRUG"
        },
        {
          "name": "JNJ-42160443 6 mg/3mg",
          "type": "DRUG"
        },
        {
          "name": "JNJ-42160443 10 mg",
          "type": "DRUG"
        },
        {
          "name": "Matching Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Pharmaceutical Research & Development, L.L.C.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 389,
      "start_date": "2009-09",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2016-06-06",
      "last_synced_at": "2026-07-22T13:19:41.654Z",
      "location_count": 41,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 38 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Pismo Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00973024"
    },
    {
      "nct_id": "NCT01983982",
      "title": "Effect of Chemotherapy on Pain Sensitivity and Patient-reported Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Chronic Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2013-11",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-07-26",
      "last_synced_at": "2026-07-22T13:19:41.654Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01983982"
    },
    {
      "nct_id": "NCT05972889",
      "title": "Randomized Blinded Evaluation of the Effects of TENS and IFC Compared to a Sham Device and SOC in Patients With Non-Specific CLBP",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-Specific Chronic Lower Back Pain"
      ],
      "interventions": [
        {
          "name": "NexWave",
          "type": "DEVICE"
        },
        {
          "name": "Sham",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zynex Medical, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 334,
      "start_date": "2023-11-02",
      "completion_date": "2025-10-21",
      "has_results": false,
      "last_update_posted_date": "2025-10-28",
      "last_synced_at": "2026-07-22T13:19:41.654Z",
      "location_count": 8,
      "location_summary": "Greenwood Village, Colorado • Saint Augustine, Florida • Atlanta, Georgia + 5 more",
      "locations": [
        {
          "city": "Greenwood Village",
          "state": "Colorado"
        },
        {
          "city": "Saint Augustine",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Jasper",
          "state": "Georgia"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05972889"
    },
    {
      "nct_id": "NCT05819697",
      "title": "Reducing Patient Memory Recall in the Burning Mouth Patient Population",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Burning Mouth Syndrome"
      ],
      "interventions": [
        {
          "name": "FIRE Trial/Track Your Happiness notifications",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2023-03-14",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-07-22T13:19:41.654Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05819697"
    },
    {
      "nct_id": "NCT02886286",
      "title": "Patient Controlled Intrathecal Analgesia With Bupivacaine for Chronic Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Intractable",
        "Breakthrough Pain",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Opioid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "31 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "31 Years to 90 Years"
      },
      "enrollment_count": 17,
      "start_date": "2016-05",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2022-03-24",
      "last_synced_at": "2026-07-22T13:19:41.654Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02886286"
    },
    {
      "nct_id": "NCT01731873",
      "title": "Patient Controlled Analgesia Pharmacogenetic Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 182,
      "start_date": "2012-01-17",
      "completion_date": "2019-04-30",
      "has_results": false,
      "last_update_posted_date": "2020-09-03",
      "last_synced_at": "2026-07-22T13:19:41.654Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01731873"
    },
    {
      "nct_id": "NCT00205868",
      "title": "Spinal Cord Stimulation for Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Precision Spinal Cord Stimulation System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 304,
      "start_date": "2004-12",
      "completion_date": "2007-12",
      "has_results": true,
      "last_update_posted_date": "2021-06-18",
      "last_synced_at": "2026-07-22T13:19:41.654Z",
      "location_count": 30,
      "location_summary": "Cullman, Alabama • Daphne, Alabama • Huntsville, Alabama + 27 more",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00205868"
    },
    {
      "nct_id": "NCT04473950",
      "title": "The Effect of Chronic Pain on Delay Discounting in Methadone Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid-use Disorder",
        "Chronic Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Naloxone Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2020-01-08",
      "completion_date": "2022-10-06",
      "has_results": true,
      "last_update_posted_date": "2025-03-26",
      "last_synced_at": "2026-07-22T13:19:41.654Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04473950"
    },
    {
      "nct_id": "NCT06235996",
      "title": "Effects of Musical Intervention on Patient Pain and Anxiety for Office-based Procedures",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Office-based procedure indicated for chronic pain with music",
          "type": "PROCEDURE"
        },
        {
          "name": "Office-based procedure indicated for chronic pain without music",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Lake Erie College of Osteopathic Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2023-01-01",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-17",
      "last_synced_at": "2026-07-22T13:19:41.654Z",
      "location_count": 2,
      "location_summary": "Wesley Chapel, Florida • Zephyrhills, Florida",
      "locations": [
        {
          "city": "Wesley Chapel",
          "state": "Florida"
        },
        {
          "city": "Zephyrhills",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06235996"
    }
  ]
}