{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Postoperative+Pain",
    "query": {
      "condition": "Chronic Postoperative Pain"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 122,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Postoperative+Pain&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:48:57.157Z",
  "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": "NCT02284542",
      "title": "NAPS: Non-awake Versus Awake Placement of Spinal Cord Stimulators",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pain",
        "Sciatica",
        "Failed Back Surgery Syndrome"
      ],
      "interventions": [
        {
          "name": "Awake",
          "type": "PROCEDURE"
        },
        {
          "name": "Non-Awake",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "St. Luke's Hospital, Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2014-11-01",
      "completion_date": "2017-01-31",
      "has_results": false,
      "last_update_posted_date": "2021-10-22",
      "last_synced_at": "2026-05-22T07:48:57.157Z",
      "location_count": 4,
      "location_summary": "Bethlehem, Pennsylvania • Danville, Pennsylvania • Hershey, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Bethlehem",
          "state": "Pennsylvania"
        },
        {
          "city": "Danville",
          "state": "Pennsylvania"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02284542"
    },
    {
      "nct_id": "NCT05593237",
      "title": "Transcranial Magnetic Stimulation for Chronic Neuropathic Pain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Neuropathic Pain",
        "Post-Stroke Pain",
        "Trigeminal Neuralgia",
        "Nerve Injury",
        "Spinal Cord Injuries",
        "Pain, Postoperative",
        "Complex Regional Pain Syndromes",
        "Post-herpetic Neuralgia",
        "Nerve Root Avulsion"
      ],
      "interventions": [
        {
          "name": "High Frequency rTMS",
          "type": "DEVICE"
        },
        {
          "name": "Low Frequency rTMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 32,
      "start_date": "2022-04-25",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-05-22T07:48:57.157Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05593237"
    },
    {
      "nct_id": "NCT06093477",
      "title": "Studying Melatonin and Recovery in Teens",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Juvenile; Scoliosis",
        "Scoliosis Idiopathic",
        "Scoliosis; Adolescence",
        "Scoliosis;Congenital",
        "Kyphosis",
        "Spondylolisthesis",
        "Pectus Surgery",
        "Hip Surgery"
      ],
      "interventions": [
        {
          "name": "Fast-Dissolve Melatonin Pill",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fast-Dissolve Placebo Pill",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 45,
      "start_date": "2024-05-30",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-18",
      "last_synced_at": "2026-05-22T07:48:57.157Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06093477"
    },
    {
      "nct_id": "NCT03484429",
      "title": "Postoperative Peripheral Nerve Stimulation for Management of Post-amputation Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Phantom Limb Pain",
        "Postoperative Pain",
        "Neuroma",
        "Acute Pain",
        "Chronic Pain",
        "Residual Limbs",
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Peripheral nerve stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Standard Medical Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Hunter Holmes Mcguire Veteran Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2017-12-01",
      "completion_date": "2021-04-17",
      "has_results": true,
      "last_update_posted_date": "2021-07-21",
      "last_synced_at": "2026-05-22T07:48:57.157Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03484429"
    },
    {
      "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": "2026-05-22T07:48:57.157Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01731873"
    },
    {
      "nct_id": "NCT03534102",
      "title": "Can Simplified and More Detailed Instructions Affect Post-Operative Narcotic Consumption",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Opioid Use",
        "Opioid Dependence",
        "Knee Pain Chronic",
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Improved Opioid-Tapering Instructions",
          "type": "DRUG"
        },
        {
          "name": "Clinical Patient Educator",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-06-06",
      "completion_date": "2024-09-01",
      "has_results": false,
      "last_update_posted_date": "2023-02-27",
      "last_synced_at": "2026-05-22T07:48:57.157Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03534102"
    },
    {
      "nct_id": "NCT04054401",
      "title": "SynerFuse Spinal Fusion and Neuromodulation Proof of Concept Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Fusion",
        "Radiculopathy Lumbar",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "DRG Neurostimulation with Spinal Fusion",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SynerFuse, Inc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2022-01-06",
      "completion_date": "2024-10",
      "has_results": false,
      "last_update_posted_date": "2023-11-24",
      "last_synced_at": "2026-05-22T07:48:57.157Z",
      "location_count": 2,
      "location_summary": "Mishawaka, Indiana • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Mishawaka",
          "state": "Indiana"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04054401"
    },
    {
      "nct_id": "NCT05698914",
      "title": "Telehealth Mindfulness After Spine Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lumbar Spine Surgery",
        "Chronic Low-back Pain",
        "Postsurgical Pain"
      ],
      "interventions": [
        {
          "name": "Telehealth mindfulness-based intervention (MBI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telehealth Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2023-02-22",
      "completion_date": "2025-07-11",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-05-22T07:48:57.157Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05698914"
    },
    {
      "nct_id": "NCT04019834",
      "title": "Preoperative Regional Nerve Block for Acute and Chronic Post-Operative Pain Following Mastectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Mastectomy",
        "Anesthesia, Local",
        "Narcotic Use"
      ],
      "interventions": [
        {
          "name": "regional nerve block with local anesthesia of bupivacaine with steroid",
          "type": "DRUG"
        },
        {
          "name": "Placebo regional nerveblock with normal saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "19 Years and older · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2020-07-06",
      "completion_date": "2021-11-25",
      "has_results": false,
      "last_update_posted_date": "2022-08-03",
      "last_synced_at": "2026-05-22T07:48:57.157Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04019834"
    },
    {
      "nct_id": "NCT04848428",
      "title": "Online Mindfulness-based Intervention to Prevent Chronic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Chronic Pain",
        "Pain Catastrophizing",
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "Online mindfulness-based cognitive therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Online standardized education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 36,
      "start_date": "2021-05-01",
      "completion_date": "2022-11-29",
      "has_results": false,
      "last_update_posted_date": "2023-02-01",
      "last_synced_at": "2026-05-22T07:48:57.157Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04848428"
    }
  ]
}