{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Observational+Study&page=8",
    "query": {
      "condition": "Observational Study",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 2011,
    "total_pages": 202,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Observational+Study&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Observational+Study&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T15:52:46.601Z",
  "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": "NCT02357381",
      "title": "eNeura SpringTMS Post-Market Observational US Study of Migraine",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Headache"
      ],
      "interventions": [
        {
          "name": "eNeura SpringTMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "eNeura, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 263,
      "start_date": "2014-12-01",
      "completion_date": "2016-07-01",
      "has_results": false,
      "last_update_posted_date": "2021-06-18",
      "last_synced_at": "2026-10-30T15:52:46.601Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Stanford, California + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02357381"
    },
    {
      "nct_id": "NCT04843111",
      "title": "Observational, Passive Surveillance Program to Collect Information on Women and Their Offspring Exposed to MenQuadfi® During Pregnancy, in United States (US)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Meningococcal Infection"
      ],
      "interventions": [
        {
          "name": "Meningococcal polysaccharide (serogroups A, C, Y, and W) tetanus toxoid conjugate vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 50,
      "start_date": "2021-03-05",
      "completion_date": "2028-05-18",
      "has_results": false,
      "last_update_posted_date": "2025-12-01",
      "last_synced_at": "2026-10-30T15:52:46.601Z",
      "location_count": 1,
      "location_summary": "Swiftwater, Pennsylvania",
      "locations": [
        {
          "city": "Swiftwater",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04843111"
    },
    {
      "nct_id": "NCT04814719",
      "title": "Treatment and Duration Effect of Pentosan Polysulfate Sodium (PPS) in Participants With Knee Osteoarthritis Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Pentosan Polysulphate Sodium",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Sodium Chloride Injection, 0.9%)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Paradigm Biopharmaceuticals Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 133,
      "start_date": "2023-06-24",
      "completion_date": "2024-12-24",
      "has_results": false,
      "last_update_posted_date": "2025-07-22",
      "last_synced_at": "2026-10-30T15:52:46.601Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04814719"
    },
    {
      "nct_id": "NCT07444528",
      "title": "Upper Airway Ultrasound to Predict Difficult Laryngoscopy in Neonates and Infants",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neonates",
        "Infants Aged 0 Days to 12 Months Scheduled for Elective Surgery"
      ],
      "interventions": [
        {
          "name": "Upper airway ultrasound",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "365 Days",
        "sex": "ALL",
        "summary": "Up to 365 Days"
      },
      "enrollment_count": 180,
      "start_date": "2026-03-02",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-10-30T15:52:46.601Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07444528"
    },
    {
      "nct_id": "NCT05398471",
      "title": "Medical Trial: Appraising Medical Trial Experiences of Rheumatoid Arthritis Patients",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Power Life Sciences Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2024-08",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2024-01-02",
      "last_synced_at": "2026-10-30T15:52:46.601Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05398471"
    },
    {
      "nct_id": "NCT06658730",
      "title": "Long-term Characterization of GORE® TAG® Conformable Thoracic Stent Graft With ACTIVE CONTROL System Performance",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vascular Disease",
        "Dissection",
        "Dissection Aortic Aneurysm",
        "Dissection of Aorta",
        "Aneurysm Thoracic",
        "Aneurysm Dissecting",
        "Transection Aorta",
        "Intramural Hematoma"
      ],
      "interventions": [
        {
          "name": "Endovascular",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "W.L.Gore & Associates",
      "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": "2025-06-19",
      "completion_date": "2038-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-30T15:52:46.601Z",
      "location_count": 24,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Stanford, California + 19 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06658730"
    },
    {
      "nct_id": "NCT06214507",
      "title": "Danon Disease Natural History Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Danon Disease"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rocket Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2023-12-20",
      "completion_date": "2030-03",
      "has_results": false,
      "last_update_posted_date": "2026-10-19",
      "last_synced_at": "2026-10-30T15:52:46.601Z",
      "location_count": 9,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Aurora, Colorado + 6 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06214507"
    },
    {
      "nct_id": "NCT07521371",
      "title": "Intranasal Insulin for Autism Spectrum Disorder in Children and Young Adults Aged 4 to 21 Years",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autism Spectrum Disorder",
        "Autism Spectrum Disorder (ASD)",
        "Autism Spectrum Disorder High-Functioning",
        "Autism Spectrum Disorder With Absence of Functional Language",
        "Autism Spectrum Disorder With Impaired Functional Language",
        "Autistic Disorder of Childhood Onset With Full Syndrome",
        "Autistic Disorders Spectrum",
        "Autistic Disorder",
        "Autistic Disorder in Children and Adolescents",
        "Neurodevelopmental Disorders",
        "Neurodevelopmental Disorders (NDD)",
        "Neurodevelopmental Disorders and Developmental Abnormalities"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Healing Hope International",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "4 Years to 21 Years"
      },
      "enrollment_count": 12,
      "start_date": "2026-06-01",
      "completion_date": "2030-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-10-30T15:52:46.601Z",
      "location_count": 1,
      "location_summary": "Spring, Texas",
      "locations": [
        {
          "city": "Spring",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07521371"
    },
    {
      "nct_id": "NCT02841644",
      "title": "Operative and Non-operative Treatment of Traumatic Arthrotomies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Traumatic Arthrotomy"
      ],
      "interventions": [
        {
          "name": "Operatively treated traumatic arthrotomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Non-operatively treated traumatic arthrotomy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2015-04",
      "completion_date": "2020-04",
      "has_results": true,
      "last_update_posted_date": "2022-07-14",
      "last_synced_at": "2026-10-30T15:52:46.601Z",
      "location_count": 4,
      "location_summary": "Lexington, Kentucky • Charlotte, North Carolina • Greenville, South Carolina + 1 more",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        },
        {
          "city": "Memphis",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02841644"
    },
    {
      "nct_id": "NCT03898830",
      "title": "Eon™ FR Clinical Study Protocol 1064",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fat Disorder"
      ],
      "interventions": [
        {
          "name": "eon™ FR 1064 nm device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Dominion Aesthetic Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 36,
      "start_date": "2018-12-08",
      "completion_date": "2019-03-22",
      "has_results": false,
      "last_update_posted_date": "2020-05-19",
      "last_synced_at": "2026-10-30T15:52:46.601Z",
      "location_count": 3,
      "location_summary": "Sacramento, California • Altamonte Springs, Florida • Miami, Florida",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Altamonte Springs",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03898830"
    }
  ]
}