{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=16",
    "query": {
      "intervention": "Observation only",
      "page": 16
    },
    "page_size": 10
  },
  "pagination": {
    "page": 16,
    "page_size": 10,
    "total_count": 878,
    "total_pages": 88,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=17&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=15&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T20:25:44.323Z",
  "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": "NCT01881711",
      "title": "ShuntCheck-Micro-Pumper Pediatric Clinical Outcomes Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Suspected CSF Shunt Obstruction"
      ],
      "interventions": [
        {
          "name": "ShuntCheck-Micro-Pumper (SCMP)",
          "type": "DEVICE"
        },
        {
          "name": "Imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NeuroDx Development",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Months",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "35 Months to 29 Years"
      },
      "enrollment_count": 400,
      "start_date": "2013-05",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2015-06-23",
      "last_synced_at": "2026-10-30T20:25:44.323Z",
      "location_count": 11,
      "location_summary": "Wilmington, Delaware • Washington D.C., District of Columbia • Chicago, Illinois + 8 more",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01881711"
    },
    {
      "nct_id": "NCT04890314",
      "title": "Prostate Cancer - Comparative Outcomes of New Conceptual Paradigms for Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Patient-reported questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 1953,
      "start_date": "2021-05-15",
      "completion_date": "2024-04-30",
      "has_results": true,
      "last_update_posted_date": "2025-05-22",
      "last_synced_at": "2026-10-30T20:25:44.323Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Kansas City, Kansas • Albany, New York + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Albany",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04890314"
    },
    {
      "nct_id": "NCT01769430",
      "title": "Evaluating Modes of Influenza Transmission Observational Study of Community Acquired Influenza",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza Virus Infection Transmission in Humans"
      ],
      "interventions": [
        {
          "name": "Observational Study of influenza aerosol shedding -- No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Maryland, College Park",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 178,
      "start_date": "2012-12",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2025-04-25",
      "last_synced_at": "2026-10-30T20:25:44.323Z",
      "location_count": 1,
      "location_summary": "College Park, Maryland",
      "locations": [
        {
          "city": "College Park",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01769430"
    },
    {
      "nct_id": "NCT03250832",
      "title": "Study of TSR-033 With an Anti-programmed Cell Death-1 Receptor (PD-1) in Participants With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "TSR-033",
          "type": "DRUG"
        },
        {
          "name": "Dostarlimab",
          "type": "DRUG"
        },
        {
          "name": "mFOLFOX6",
          "type": "DRUG"
        },
        {
          "name": "FOLFIRI",
          "type": "DRUG"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tesaro, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 111,
      "start_date": "2017-08-08",
      "completion_date": "2023-02-13",
      "has_results": true,
      "last_update_posted_date": "2024-04-11",
      "last_synced_at": "2026-10-30T20:25:44.323Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Whittier, California • Sarasota, Florida + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03250832"
    },
    {
      "nct_id": "NCT02103699",
      "title": "A Study to Examine Patient Characteristics, Health Care Management and Health Outcomes of Hepatitis C Virus (HCV) Patients Treated With Simeprevir",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatitis C Virus"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Scientific Affairs, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 315,
      "start_date": "2014-02",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-02-22",
      "last_synced_at": "2026-10-30T20:25:44.323Z",
      "location_count": 32,
      "location_summary": "Phoenix, Arizona • Bakersfield, California • Beverly Hills, California + 29 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02103699"
    },
    {
      "nct_id": "NCT03715452",
      "title": "DyeVert™ Plus Contrast Reduction System Multicenter Observational Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "DyeVert Plus Contrast Reduction System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Osprey Medical, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 114,
      "start_date": "2017-07-01",
      "completion_date": "2018-03-30",
      "has_results": true,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-10-30T20:25:44.323Z",
      "location_count": 8,
      "location_summary": "Torrance, California • Atlanta, Georgia • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "Tupelo",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03715452"
    },
    {
      "nct_id": "NCT03372941",
      "title": "Hospital Avoidance Strategies for ABSSSI",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Skin Infection"
      ],
      "interventions": [
        {
          "name": "Dalbavancin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2019-03-04",
      "completion_date": "2021-10-14",
      "has_results": true,
      "last_update_posted_date": "2022-12-09",
      "last_synced_at": "2026-10-30T20:25:44.323Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03372941"
    },
    {
      "nct_id": "NCT00840294",
      "title": "Randomized Trial of Ciprofloxacin Versus Observation for Men With Elevated Prostate Specific Antigen (PSA)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Elevated Prostate Specific Antigen"
      ],
      "interventions": [
        {
          "name": "Ciprofloxacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 85,
      "start_date": "2009-01",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2014-08-01",
      "last_synced_at": "2026-10-30T20:25:44.323Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00840294"
    },
    {
      "nct_id": "NCT04700202",
      "title": "Identifying Risk Factors for Gram-negative Resistance for HAP/VAP in the Intensive Care Unit",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventilator-associated Pneumonia",
        "Hospital-acquired Pneumonia"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Methodist Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2020-06-30",
      "completion_date": "2022-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-10-30T20:25:44.323Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04700202"
    },
    {
      "nct_id": "NCT01665677",
      "title": "Atorvastatin as GVHD Prophylaxis for Allogeneic Hematopoietic Cell Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Graft vs Host Disease"
      ],
      "interventions": [
        {
          "name": "Atorvastatin calcium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mehdi Hamadani",
      "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": 69,
      "start_date": "2014-01-20",
      "completion_date": "2021-07-09",
      "has_results": true,
      "last_update_posted_date": "2023-05-15",
      "last_synced_at": "2026-10-30T20:25:44.323Z",
      "location_count": 2,
      "location_summary": "Morgantown, West Virginia • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01665677"
    }
  ]
}