{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=38",
    "query": {
      "intervention": "No intervention (observational study)",
      "page": 38
    },
    "page_size": 10
  },
  "pagination": {
    "page": 38,
    "page_size": 10,
    "total_count": 919,
    "total_pages": 92,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=39&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=37&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T11:03:47.177Z",
  "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": "NCT01912599",
      "title": "Pilot Study on Ambulatory Intraocular Pressure and Blood Pressure Monitoring in Glaucoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Normal-Tension Glaucoma"
      ],
      "interventions": [
        {
          "name": "Sensimed Triggerfish",
          "type": "DEVICE"
        },
        {
          "name": "Blood Pressure",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": "2013-07",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2016-06-17",
      "last_synced_at": "2026-10-24T11:03:47.177Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01912599"
    },
    {
      "nct_id": "NCT04300998",
      "title": "Study of CAR-T Therapy in Older Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma",
        "Refractory B-Cell Lymphoma",
        "Lymphoma, B-Cell",
        "DLBCL NOS",
        "High-grade B-cell Lymphoma",
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Activities of Daily Living/ADLs",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Instrumental Activity of Daily Living",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Timed Up and Go",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Geriatric Depression Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief Test of Attention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Trail Making Test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Controlled Oral Word Association Test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Hopkins Verbal Learning Test-Revised",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 154,
      "start_date": "2020-03-04",
      "completion_date": "2027-03-04",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-10-24T11:03:47.177Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04300998"
    },
    {
      "nct_id": "NCT00242840",
      "title": "Observational Study Of A Protease Inhibitor (PI) Containing Regimen In Subjects With PI Mutations Selected During Prior Treatment With GW433908 (Fosamprenavir)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infection, Human Immunodeficiency Virus I",
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "No intervention; Observational study",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ViiV Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2003-06",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-10-24T11:03:47.177Z",
      "location_count": 6,
      "location_summary": "Fort Lauderdale, Florida • Orlando, Florida • Tampa, Florida + 2 more",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00242840"
    },
    {
      "nct_id": "NCT02706340",
      "title": "Expulsion of Immediate Postplacental Copper Intrauterine Devices at Six Months: A Prospective Cohort Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postpartum",
        "Intrauterine Devices, Copper"
      ],
      "interventions": [
        {
          "name": "No intervention - observational study only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 309,
      "start_date": "2015-04",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2018-11-15",
      "last_synced_at": "2026-10-24T11:03:47.177Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02706340"
    },
    {
      "nct_id": "NCT04708015",
      "title": "Retrospective Study of Glucose Monitoring for Glycemic Control in Patients With GSDIa",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glycogen Storage Disease Type IA"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ultragenyx Pharmaceutical Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2020-11-05",
      "completion_date": "2022-03-04",
      "has_results": false,
      "last_update_posted_date": "2024-05-29",
      "last_synced_at": "2026-10-24T11:03:47.177Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04708015"
    },
    {
      "nct_id": "NCT04612478",
      "title": "Use of a Self-Directed Exercise Program (SDEP) Following Selected Lower Extremity Fractures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Musculoskeletal Injury"
      ],
      "interventions": [
        {
          "name": "Self-Directed Exercise Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Clinic-Based Physical",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 150,
      "start_date": "2018-03-14",
      "completion_date": "2023-11-02",
      "has_results": false,
      "last_update_posted_date": "2024-01-31",
      "last_synced_at": "2026-10-24T11:03:47.177Z",
      "location_count": 2,
      "location_summary": "Charlotte, North Carolina • Greenville, South Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04612478"
    },
    {
      "nct_id": "NCT07282418",
      "title": "Behavioral Economic Attributes of Recreation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cardiometabolic Health Indicators"
      ],
      "interventions": [
        {
          "name": "Recreation Enhancement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2026-05-11",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-10-24T11:03:47.177Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07282418"
    },
    {
      "nct_id": "NCT05442567",
      "title": "A Study of Vedolizumab in Children With Ulcerative Colitis (UC) or Crohn's Disease (CD)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ulcerative Colitis",
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Vedolizumab IV",
          "type": "DRUG"
        },
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2023-05-16",
      "completion_date": "2033-02-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-10-24T11:03:47.177Z",
      "location_count": 22,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Los Angeles, California + 19 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05442567"
    },
    {
      "nct_id": "NCT03765567",
      "title": "Placement of Antibiotic Powder in Wounds During the Emergency Room",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Open Fracture"
      ],
      "interventions": [
        {
          "name": "Vancomycin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 200,
      "start_date": "2020-10-05",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-24T11:03:47.177Z",
      "location_count": 2,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03765567"
    },
    {
      "nct_id": "NCT04792983",
      "title": "Cognition and the Immunology of Postoperative Outcomes",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Impairment",
        "Frail Elderly Syndrome",
        "Delirium",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2019-09-06",
      "completion_date": "2025-07-31",
      "has_results": false,
      "last_update_posted_date": "2021-03-12",
      "last_synced_at": "2026-10-24T11:03:47.177Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04792983"
    }
  ]
}