{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Observational+Study&page=9",
    "query": {
      "condition": "Observational Study",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 2011,
    "total_pages": 202,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Observational+Study&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Observational+Study&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T20:25:17.961Z",
  "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": "NCT07607600",
      "title": "Treatment Patterns, Biochemical Profiles and Clinical Outcomes in Adults With X-Linked Hypophosphatemia",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "X-linked Hypophosphatemia (XLH)"
      ],
      "interventions": [
        {
          "name": "No treatment given",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 0,
      "start_date": "2026-07-07",
      "completion_date": "2030-07-07",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-10-30T20:25:17.961Z",
      "location_count": 4,
      "location_summary": "New Haven, Connecticut • Indianapolis, Indiana • Columbus, Ohio + 1 more",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07607600"
    },
    {
      "nct_id": "NCT03888365",
      "title": "Patient Global Impression Questions for Activity-Induced Symptoms in Participants With PAH",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Treprostinil",
          "type": "DRUG"
        },
        {
          "name": "Non-Treprostinil PAH Medications",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "United Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2019-04-01",
      "completion_date": "2019-09-19",
      "has_results": true,
      "last_update_posted_date": "2021-03-16",
      "last_synced_at": "2026-10-30T20:25:17.961Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Beverly Hills, California • Santa Barbara, California + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03888365"
    },
    {
      "nct_id": "NCT00874211",
      "title": "S0702: Osteonecrosis of the Jaw in Patients With Cancer Receiving Zoledronic Acid for Bone Metastases",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Lung Cancer",
        "Metastatic Cancer",
        "Multiple Myeloma",
        "Plasma Cell Neoplasm",
        "Prostate Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "assessment of therapy complications",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "Up to 120 Years"
      },
      "enrollment_count": 3571,
      "start_date": "2008-12",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-10-30T20:25:17.961Z",
      "location_count": 451,
      "location_summary": "Anniston, Alabama • Mobile, Alabama • Anchorage, Alaska + 302 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Fairbanks",
          "state": "Alaska"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00874211"
    },
    {
      "nct_id": "NCT05547165",
      "title": "Percutaneous Intervention Versus Observational Trial of Arterial Ductus in Low Weight Infants",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ductus Arteriosus, Patent"
      ],
      "interventions": [
        {
          "name": "Percutaneous Patent Ductus Arteriosus Closure (PPC)",
          "type": "DEVICE"
        },
        {
          "name": "Responsive Management Intervention",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Echocardiogram, cardiac",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "COMBINATION_PRODUCT",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Days",
        "maximum_age": "32 Days",
        "sex": "ALL",
        "summary": "7 Days to 32 Days"
      },
      "enrollment_count": 240,
      "start_date": "2023-02-21",
      "completion_date": "2026-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-03-30",
      "last_synced_at": "2026-10-30T20:25:17.961Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 19 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05547165"
    },
    {
      "nct_id": "NCT06376175",
      "title": "Task Atlas: Study to Develop a Task Atlas of Brain Recruitment During a Digital Game-based Program",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Lumos Labs, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "25 Years to 40 Years"
      },
      "enrollment_count": 37,
      "start_date": "2024-04-24",
      "completion_date": "2025-01-15",
      "has_results": false,
      "last_update_posted_date": "2025-01-31",
      "last_synced_at": "2026-10-30T20:25:17.961Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06376175"
    },
    {
      "nct_id": "NCT00465881",
      "title": "Develop Novel Methods to Display, Report and Analyze CGM Data for Clinical Decision-Making in People With Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes",
        "Glucose Variability",
        "CGM"
      ],
      "interventions": [
        {
          "name": "CGM System for Type 1 and Type 2 Diabetes Mellitus",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "HealthPartners Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2006-01",
      "completion_date": "2006-04",
      "has_results": false,
      "last_update_posted_date": "2015-12-03",
      "last_synced_at": "2026-10-30T20:25:17.961Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00465881"
    },
    {
      "nct_id": "NCT07409636",
      "title": "A Study to Assess the Real-World Effectiveness of Inclisiran and PCSK9 mAbs in Chinese Hypercholesterolemia Adult Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypercholesterolemia",
        "Mixed Dyslipidemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11991,
      "start_date": "2025-01-23",
      "completion_date": "2025-12-22",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-30T20:25:17.961Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07409636"
    },
    {
      "nct_id": "NCT06744673",
      "title": "A Study to Assess the Pregnancy Outcome in Women Exposed to Dayvigo® During Pregnancy Compared to an Unexposed Control Population",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Initiation and Maintenance Disorders",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 49 Years · Female only"
      },
      "enrollment_count": 861,
      "start_date": "2025-01-03",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-19",
      "last_synced_at": "2026-10-30T20:25:17.961Z",
      "location_count": 1,
      "location_summary": "Nutley, New Jersey",
      "locations": [
        {
          "city": "Nutley",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06744673"
    },
    {
      "nct_id": "NCT02995941",
      "title": "Shoulder Symptom Irritability Scale: A Single-Blinded Observational Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Shoulder Pain",
        "Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Luke's Hospital and Health Network, Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 138,
      "start_date": "2016-12",
      "completion_date": "2017-07",
      "has_results": false,
      "last_update_posted_date": "2019-09-20",
      "last_synced_at": "2026-10-30T20:25:17.961Z",
      "location_count": 17,
      "location_summary": "Washington, New Jersey • Allentown, Pennsylvania • Bath, Pennsylvania + 11 more",
      "locations": [
        {
          "city": "Washington",
          "state": "New Jersey"
        },
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        },
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        },
        {
          "city": "Bath",
          "state": "Pennsylvania"
        },
        {
          "city": "Bethlehem",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02995941"
    },
    {
      "nct_id": "NCT04419870",
      "title": "Acute Infection in Mitochondrial Disease: Metabolism, Infection and Immunity",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mitochondrial Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "115 Years",
        "sex": "ALL",
        "summary": "2 Months to 115 Years"
      },
      "enrollment_count": 400,
      "start_date": "2020-10-21",
      "completion_date": "2099-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-10",
      "last_synced_at": "2026-10-30T20:25:17.961Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04419870"
    }
  ]
}