{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clinical+Observation&page=9",
    "query": {
      "intervention": "Clinical Observation",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 2281,
    "total_pages": 229,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clinical+Observation&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clinical+Observation&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T14:24:32.203Z",
  "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": "NCT04674228",
      "title": "Review of Post-Study Clinical Endoscopy Reports in Follow Up to MAY2016-07-01",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Familial Adenomatous Polyposis"
      ],
      "interventions": [
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 42,
      "start_date": "2021-05-07",
      "completion_date": "2022-05-17",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-10-17T14:24:32.203Z",
      "location_count": 2,
      "location_summary": "Rochester, Minnesota • Houston, Texas",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04674228"
    },
    {
      "nct_id": "NCT01817192",
      "title": "Adjuvant Chemotherapy in Patients With Intermediate or High Risk Stage I or Stage IIA Non-squamous Non-Small Cell Lung Cancer: AIM-HIGH (Adjuvant Intervention in Molecular High Risk Patients)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Adjuvant Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Radiographic surveillance",
          "type": "OTHER"
        },
        {
          "name": "14-Gene Prognostic Assay",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Razor Genomics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 420,
      "start_date": "2020-09-11",
      "completion_date": "2027-05-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-17T14:24:32.203Z",
      "location_count": 18,
      "location_summary": "Mission Viejo, California • Sacramento, California • Santa Rosa, California + 15 more",
      "locations": [
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Fort Meyers",
          "state": "Florida"
        },
        {
          "city": "Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01817192"
    },
    {
      "nct_id": "NCT04682847",
      "title": "Radiotherapy With Iron Oxide Nanoparticles (SPION) on MR-Linac for Primary & Metastatic Hepatic Cancers",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Liver Neoplasms",
        "Hepatic Cirrhosis",
        "Hepatic Carcinoma",
        "Liver Cancer",
        "Liver Metastases",
        "Liver Carcinoma",
        "Hepatocellular Carcinoma",
        "Hepatocellular Cancer",
        "Hepatic Atrophy"
      ],
      "interventions": [
        {
          "name": "Ferumoxytol injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)",
      "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": 40,
      "start_date": "2020-11-19",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-31",
      "last_synced_at": "2026-10-17T14:24:32.203Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04682847"
    },
    {
      "nct_id": "NCT01419067",
      "title": "A Phase II Trial of Limited Surgery and Proton Therapy for Craniopharyngioma or Observation After Radical Resection",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Craniopharyngioma"
      ],
      "interventions": [
        {
          "name": "Radical Surgery or Limited Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Proton Therapy",
          "type": "DEVICE"
        },
        {
          "name": "^1^8F-fluorodeoxyglucose",
          "type": "DRUG"
        },
        {
          "name": "^1^1C-methionine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 112,
      "start_date": "2011-08-22",
      "completion_date": "2031-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-17T14:24:32.203Z",
      "location_count": 2,
      "location_summary": "Jacksonville, Florida • Memphis, Tennessee",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01419067"
    },
    {
      "nct_id": "NCT03938792",
      "title": "Study of the Efficacy and Safety PF-06741086 in Adult and Teenage Participants With Severe Hemophilia A or Moderately Severe to Severe Hemophilia B",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia A",
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "PF-06741086",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "74 Years",
        "sex": "MALE",
        "summary": "12 Years to 74 Years · Male only"
      },
      "enrollment_count": 188,
      "start_date": "2020-03-09",
      "completion_date": "2025-04-29",
      "has_results": true,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-10-17T14:24:32.203Z",
      "location_count": 4,
      "location_summary": "Tampa, Florida • Iowa City, Iowa • New Hyde Park, New York + 1 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03938792"
    },
    {
      "nct_id": "NCT03050983",
      "title": "Determination of the Clinical Impact of Continuous Surveillance Monitoring (SM) and Utility of IPI.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Depression",
        "Respiratory Insufficiency"
      ],
      "interventions": [
        {
          "name": "IPI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic - MITG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 440,
      "start_date": "2017-02-15",
      "completion_date": "2020-09-10",
      "has_results": false,
      "last_update_posted_date": "2020-09-30",
      "last_synced_at": "2026-10-17T14:24:32.203Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03050983"
    },
    {
      "nct_id": "NCT03298841",
      "title": "Clinical Comparison of Length of Cataract Procedures With Zeiss Lumera Versus Older Zeiss Microscope",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cataract"
      ],
      "interventions": [
        {
          "name": "Zeiss",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Toyos Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 50,
      "start_date": "2017-03-01",
      "completion_date": "2017-09-20",
      "has_results": true,
      "last_update_posted_date": "2021-04-22",
      "last_synced_at": "2026-10-17T14:24:32.203Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03298841"
    },
    {
      "nct_id": "NCT00000911",
      "title": "A Study to Monitor Patients With Primary or Early HIV Infection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "1999-10",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2015-10-22",
      "last_synced_at": "2026-10-17T14:24:32.203Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000911"
    },
    {
      "nct_id": "NCT05798104",
      "title": "Collaborative Nurse-pharmacist Counseling for Self-administered Biologics",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Medication Adherence",
        "Medication Nonadherence",
        "Adverse Drug Event"
      ],
      "interventions": [
        {
          "name": "Collaborative nurse-pharmacist counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tonia Carr",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2024-03",
      "completion_date": "2024-11",
      "has_results": false,
      "last_update_posted_date": "2024-04-29",
      "last_synced_at": "2026-10-17T14:24:32.203Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05798104"
    },
    {
      "nct_id": "NCT03249506",
      "title": "Cardiovascular Outcomes in Participants With Type 2 Diabetes Mellitus (T2DM)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Canagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Empagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Dipeptidyl Peptidase-4 Inhibitor (DPP-4)",
          "type": "DRUG"
        },
        {
          "name": "Glucagon-Like Peptide-1 Agonist (GLP-1)",
          "type": "DRUG"
        },
        {
          "name": "Thiazolidinedione (TZD)",
          "type": "DRUG"
        },
        {
          "name": "Sulfonylureas",
          "type": "DRUG"
        },
        {
          "name": "Insulin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25358,
      "start_date": "2016-05-12",
      "completion_date": "2017-11-01",
      "has_results": false,
      "last_update_posted_date": "2017-11-21",
      "last_synced_at": "2026-10-17T14:24:32.203Z",
      "location_count": 1,
      "location_summary": "Trevose, Pennsylvania",
      "locations": [
        {
          "city": "Trevose",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03249506"
    }
  ]
}