{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Pain+Syndrome",
    "query": {
      "condition": "Chronic Pain Syndrome"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 340,
    "total_pages": 34,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Pain+Syndrome&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T04:10:43.312Z",
  "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": "2026-05-22T04:10:43.312Z",
      "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": "NCT04349930",
      "title": "The CBD-IC Randomized Controlled Trial: Evaluation of Hemp Cannabidiol SuppositoRies for Pain and Urinary SymptOms in INterstitial Cystitis (CHRONIC)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Interstitial Cystitis",
        "Bladder Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Cannabidiol vaginal suppository",
          "type": "DRUG"
        },
        {
          "name": "Placebo vaginal suppository",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2021-01",
      "completion_date": "2022-09",
      "has_results": false,
      "last_update_posted_date": "2021-01-15",
      "last_synced_at": "2026-05-22T04:10:43.312Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04349930"
    },
    {
      "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": "2026-05-22T04:10:43.312Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05593237"
    },
    {
      "nct_id": "NCT03500159",
      "title": "Efficacy and Safety of AQX-1125 in Subjects With Chronic Prostatitis/Chronic Pelvic Pain Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Prostatitis",
        "Chronic Pelvic Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "AQX-1125 200 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aquinox Pharmaceuticals (Canada) Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "18 Years to 80 Years · Male only"
      },
      "enrollment_count": 3,
      "start_date": "2018-04-18",
      "completion_date": "2018-07-17",
      "has_results": true,
      "last_update_posted_date": "2019-01-09",
      "last_synced_at": "2026-05-22T04:10:43.312Z",
      "location_count": 23,
      "location_summary": "Homewood, Alabama • Mobile, Alabama • Tucson, Arizona + 19 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Los Alamitos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03500159"
    },
    {
      "nct_id": "NCT05751096",
      "title": "Low-Intensity Focused Ultrasound For Insular Neuromodulation in Chronic Pain",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fibromyalgia",
        "Complex Regional Pain Syndromes",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Low-intensity Focused Ultrasound (LIFU)",
          "type": "DEVICE"
        },
        {
          "name": "Sham Low-intensity focused ultrasound (LIFU)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Carilion Clinic",
      "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": 27,
      "start_date": "2023-07-15",
      "completion_date": "2025-01",
      "has_results": false,
      "last_update_posted_date": "2023-10-16",
      "last_synced_at": "2026-05-22T04:10:43.312Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05751096"
    },
    {
      "nct_id": "NCT01862731",
      "title": "Muscle Strength Loss and Its Effect on Knee Cap Motion in Volunteers With Anterior Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Patellofemoral Pain Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 35,
      "start_date": "2013-05-31",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-05-22T04:10:43.312Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01862731"
    },
    {
      "nct_id": "NCT01072656",
      "title": "Safety Study of Deep Brain Stimulation to Manage Thalamic Pain Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Deep Brain Stimulation for Thalamic Pain Syndrome",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Andre Machado",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2010-05",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2017-06-09",
      "last_synced_at": "2026-05-22T04:10:43.312Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01072656"
    },
    {
      "nct_id": "NCT04734847",
      "title": "Motor Cortical Neuromodulation in Women With Interstitial Cystitis/Bladder Pain Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Interstitial Cystitis",
        "Bladder Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Repetitive Transcranial Magnetic Stimulation (rTMS)",
          "type": "DEVICE"
        },
        {
          "name": "Sham Repetitive Transcranial Magnetic Stimulation (Sham-rTMS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Southern California",
      "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": 50,
      "start_date": "2021-06-01",
      "completion_date": "2025-08-15",
      "has_results": false,
      "last_update_posted_date": "2024-05-23",
      "last_synced_at": "2026-05-22T04:10:43.312Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04734847"
    },
    {
      "nct_id": "NCT03143517",
      "title": "Fecal Calprotectin Collection Protocol",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammatory Bowel Diseases",
        "Irritable Bowel Syndrome",
        "Ulcerative Colitis",
        "Crohn Disease",
        "Indeterminate Colitis",
        "Chronic Diarrhea",
        "Celiac Disease",
        "Diverticulitis",
        "Abdominal Pain",
        "Distension",
        "Weight Loss",
        "Food Intolerance",
        "Constipation"
      ],
      "interventions": [
        {
          "name": "Stool collection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "DiaSorin Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2017-04-19",
      "completion_date": "2018-08-23",
      "has_results": false,
      "last_update_posted_date": "2019-02-07",
      "last_synced_at": "2026-05-22T04:10:43.312Z",
      "location_count": 13,
      "location_summary": "Dothan, Alabama • Little Rock, Arkansas • Mission Hills, California + 10 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Mission Hills",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Lauderdale Lakes",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03143517"
    },
    {
      "nct_id": "NCT02986334",
      "title": "Placebo In Chronic Back Pain (Phase 2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Apkar Apkarian",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 94,
      "start_date": "2016-08",
      "completion_date": "2018-06",
      "has_results": true,
      "last_update_posted_date": "2022-11-07",
      "last_synced_at": "2026-05-22T04:10:43.312Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02986334"
    }
  ]
}