{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%2C+only+observational&page=2",
    "query": {
      "intervention": "No intervention, only observational",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 150,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%2C+only+observational&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%2C+only+observational&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T04:54:35.049Z",
  "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": "NCT01669720",
      "title": "Adjuvant Aflibercept for Metastatic Colorectal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Aflibercept",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2012-12",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2020-02-17",
      "last_synced_at": "2026-09-30T04:54:35.049Z",
      "location_count": 2,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01669720"
    },
    {
      "nct_id": "NCT05947292",
      "title": "Study Comparing Ultrasound-guided FICNB Block to Systemic Analgesia in Treatment of Pediatric Femur Fracture",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Femur Fracture"
      ],
      "interventions": [
        {
          "name": "Ultrasound-Guided Fascia Iliaca Compartment Nerve Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Zachary Binder",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 114,
      "start_date": "2022-06-01",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-09-30T04:54:35.049Z",
      "location_count": 9,
      "location_summary": "San Diego, California • San Francisco, California • Denver, Colorado + 6 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05947292"
    },
    {
      "nct_id": "NCT04382716",
      "title": "Pediatric Acute-Onset Neuropsychiatric Syndrome (PANS): Clinical Characterization and Prospective Course",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PANS",
        "PANDAS"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "4 Years to 16 Years"
      },
      "enrollment_count": 22,
      "start_date": "2018-05-02",
      "completion_date": "2019-08-15",
      "has_results": false,
      "last_update_posted_date": "2020-05-11",
      "last_synced_at": "2026-09-30T04:54:35.049Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04382716"
    },
    {
      "nct_id": "NCT07387653",
      "title": "Feasibility and Clinical Utility of Paired Non-Invasive Hemodynamic and Tissue Oximetry Monitoring to Detect Limb Ischemia in Lithotomy-Positioned Surgeries",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neuropathy;Peripheral",
        "Limb Ischemia"
      ],
      "interventions": [
        {
          "name": "Lower-Extremity Perfusion Monitoring",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 30,
      "start_date": "2026-01-29",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-09-30T04:54:35.049Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07387653"
    },
    {
      "nct_id": "NCT03349411",
      "title": "Spatial Neglect and Delirium After Stroke",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stroke",
        "Delirium",
        "Spatial Neglect"
      ],
      "interventions": [
        {
          "name": "Confusion Assessment Method",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Behavioral Inattention Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Florida Mental Status Examination",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Montreal Cognitive Assessment",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Geriatric Depression Scale",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Kessler Foundation Neglect Assessment Process",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Kessler Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 45,
      "start_date": "2017-07-18",
      "completion_date": "2020-12-30",
      "has_results": false,
      "last_update_posted_date": "2021-04-30",
      "last_synced_at": "2026-09-30T04:54:35.049Z",
      "location_count": 2,
      "location_summary": "West Orange, New Jersey • New York, New York",
      "locations": [
        {
          "city": "West Orange",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03349411"
    },
    {
      "nct_id": "NCT04517838",
      "title": "Immune Response to Anti-HER2 Therapies in Patients With HER2-Positive Stage I-IV Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Adenocarcinoma",
        "HER2-Positive Breast Carcinoma",
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 230,
      "start_date": "2020-07-31",
      "completion_date": "2028-07-27",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-09-30T04:54:35.049Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04517838"
    },
    {
      "nct_id": "NCT01857401",
      "title": "Development of a Novel Human In Vitro Sarcoidosis Model",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sarcoidosis"
      ],
      "interventions": [
        {
          "name": "No intervention, observational study only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Elliott Crouser MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 60,
      "start_date": "2012-12-19",
      "completion_date": "2017-02-02",
      "has_results": false,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-09-30T04:54:35.049Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01857401"
    },
    {
      "nct_id": "NCT03685266",
      "title": "Efficiency of Task Switching and Multi-tasking",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Task Performance and Analysis",
        "Efficiency"
      ],
      "interventions": [
        {
          "name": "Observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Hawaii",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 18,
      "start_date": "2016-05",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2018-09-26",
      "last_synced_at": "2026-09-30T04:54:35.049Z",
      "location_count": 1,
      "location_summary": "Honolulu, Hawaii",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03685266"
    },
    {
      "nct_id": "NCT00536367",
      "title": "Validation of a Mortality Prediction Model for Acutely Decompensated Heart Failure Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "No intervention - observational study only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brian Hiestand MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 226,
      "start_date": "2006-01",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2014-06-12",
      "last_synced_at": "2026-09-30T04:54:35.049Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00536367"
    },
    {
      "nct_id": "NCT07441148",
      "title": "Digital vs. Parent Modeled Toothbrushing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Plaque Reduction"
      ],
      "interventions": [
        {
          "name": "MoodBrush Digital Application",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "3 Years to 6 Years"
      },
      "enrollment_count": 112,
      "start_date": "2026-01-05",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-09-30T04:54:35.049Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07441148"
    }
  ]
}