{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Syndrome&page=20",
    "query": {
      "condition": "Pain Syndrome",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 954,
    "total_pages": 96,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Syndrome&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Syndrome&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T10:52:22.091Z",
  "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": "NCT03794466",
      "title": "Quantify the Degree of Pain Relief of Pelvic Congestion Syndrome Following Gonadal Vein Embolization",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pelvic Congestive Syndrome",
        "Pelvic Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Kansas Medical Center",
      "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": "2019-05-10",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-10-24T10:52:22.091Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03794466"
    },
    {
      "nct_id": "NCT03530345",
      "title": "Efficacy and Safety of Intravenous Neridronic Acid in CRPS",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome (CRPS)"
      ],
      "interventions": [
        {
          "name": "Neridronic acid 100 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grünenthal GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 182,
      "start_date": "2018-05-30",
      "completion_date": "2019-07-31",
      "has_results": true,
      "last_update_posted_date": "2020-08-06",
      "last_synced_at": "2026-10-24T10:52:22.091Z",
      "location_count": 39,
      "location_summary": "Huntsville, Alabama • Mobile, Alabama • Peoria, Arizona + 35 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03530345"
    },
    {
      "nct_id": "NCT06993272",
      "title": "Relaxation Music for Chronic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "IBS - Irritable Bowel Syndrome",
        "IBD - Inflammatory Bowel Disease"
      ],
      "interventions": [
        {
          "name": "MIndful Jazz",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reggae Stereotypes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Traditional Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pain psychoeducation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2025-04-20",
      "completion_date": "2026-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-10-24T10:52:22.091Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06993272"
    },
    {
      "nct_id": "NCT00000422",
      "title": "Tailored Treatments of Fibromyalgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "Cognitive-behavioral psychotherapy and physical exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 65 Years · Female only"
      },
      "enrollment_count": 312,
      "start_date": "1998-07",
      "completion_date": "2004-05",
      "has_results": false,
      "last_update_posted_date": "2013-10-30",
      "last_synced_at": "2026-10-24T10:52:22.091Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000422"
    },
    {
      "nct_id": "NCT02868775",
      "title": "A Study to Determine the Role of Toll-like Receptor-4 Expression in Patients With Interstitial Cystitis/Bladder Pain Syndrome",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystitis, Interstitial",
        "Painful Bladder Syndrome"
      ],
      "interventions": [
        {
          "name": "cystoscopy, bladder hydrodistention and bladder biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Philadelphia Urosurgical Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 90 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2016-09",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2017-01-06",
      "last_synced_at": "2026-10-24T10:52:22.091Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02868775"
    },
    {
      "nct_id": "NCT00237081",
      "title": "Genetics of Interstitial Cystitis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Interstitial Cystitis",
        "Painful Bladder Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2004-06",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2020-03-17",
      "last_synced_at": "2026-10-24T10:52:22.091Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00237081"
    },
    {
      "nct_id": "NCT00451867",
      "title": "A Randomized Multicenter Double-Blind CT to Evaluate the Efficacy and Safety of Mycophenolate Mofetil . . .",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Interstitial Cystitis",
        "Painful Bladder Syndrome"
      ],
      "interventions": [
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Mycofenolate Mofetil (MMF)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2007-03",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2010-01-14",
      "last_synced_at": "2026-10-24T10:52:22.091Z",
      "location_count": 10,
      "location_summary": "San Diego, California • Stanford, California • Maywood, Illinois + 7 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Maywood",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00451867"
    },
    {
      "nct_id": "NCT00880802",
      "title": "Finding Acute Coronary Syndromes (ACS) With Serial Troponin Testing for Rapid Assessment of Cardiac Ischemic Symptoms",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Coronary Syndromes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Nanosphere, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "2008-12",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2010-01-12",
      "last_synced_at": "2026-10-24T10:52:22.091Z",
      "location_count": 13,
      "location_summary": "Davis, California • San Diego, California • Stanford, California + 8 more",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00880802"
    },
    {
      "nct_id": "NCT05074056",
      "title": "Ketorolac on Postoperative Pain Reduction in Pediatric Patients with Adenotonsillectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Adenotonsillar Hypertrophy",
        "Obstructive Sleep Apnea",
        "Sleep-Disordered Breathing",
        "Acute Post Operative Pain"
      ],
      "interventions": [
        {
          "name": "Ketorolac",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "3 Years to 12 Years"
      },
      "enrollment_count": 142,
      "start_date": "2022-02-08",
      "completion_date": "2024-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-02-03",
      "last_synced_at": "2026-10-24T10:52:22.091Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05074056"
    },
    {
      "nct_id": "NCT03560986",
      "title": "Efficacy and Safety of Intravenous Neridronic Acid in Complex Regional Pain Syndrome (CRPS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome (CRPS)"
      ],
      "interventions": [
        {
          "name": "Neridronic acid 100 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grünenthal GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 267,
      "start_date": "2018-05-31",
      "completion_date": "2019-08-01",
      "has_results": true,
      "last_update_posted_date": "2020-08-05",
      "last_synced_at": "2026-10-24T10:52:22.091Z",
      "location_count": 41,
      "location_summary": "Cottonwood, Arizona • Tempe, Arizona • Tucson, Arizona + 34 more",
      "locations": [
        {
          "city": "Cottonwood",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Canoga Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03560986"
    }
  ]
}