{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+data+collection+study.&page=9",
    "query": {
      "intervention": "Observation data collection study.",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 254,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+data+collection+study.&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+data+collection+study.&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T12:31:54.207Z",
  "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": "NCT04385251",
      "title": "International SARS-CoV-2 (COVID-19) Infection Observational Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID",
        "COVID19",
        "SARS-CoV 2",
        "Dyspnea"
      ],
      "interventions": [
        {
          "name": "Data Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11973,
      "start_date": "2020-06-18",
      "completion_date": "2022-01-31",
      "has_results": false,
      "last_update_posted_date": "2022-08-16",
      "last_synced_at": "2026-10-23T12:31:54.207Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04385251"
    },
    {
      "nct_id": "NCT06497569",
      "title": "Support Through Remote Observation and Nutrition Guidance Program for Individuals With Gastroesophageal Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "GastroEsophageal Cancer"
      ],
      "interventions": [
        {
          "name": "Dietitian Consultation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitbit Data Collection",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Referral to Dietitian",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social Determinants of Health Survey (SDOH)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2024-07-26",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-10-23T12:31:54.207Z",
      "location_count": 2,
      "location_summary": "Tampa, Florida • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06497569"
    },
    {
      "nct_id": "NCT05203393",
      "title": "500 \"Normal\" Adult Subjects Who Have Experienced no Known Brain Injury Will Participate in Collecting Data That Will Assist With the Optimization of the Diagnostic Capabilities of the Harmony in Detecting Neurologic Abnormalities.",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cranial Waveform in Normal Patients as a Result of Cardiac Cycle",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Harmony Headset",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "MindRhythm, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 500,
      "start_date": "2023-01-15",
      "completion_date": "2023-01-15",
      "has_results": false,
      "last_update_posted_date": "2022-11-16",
      "last_synced_at": "2026-10-23T12:31:54.207Z",
      "location_count": 1,
      "location_summary": "Cupertino, California",
      "locations": [
        {
          "city": "Cupertino",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05203393"
    },
    {
      "nct_id": "NCT04996849",
      "title": "Contemporary Characteristics of Penile Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Penile Carcinoma",
        "Squamous Cell Carcinoma of the Penis"
      ],
      "interventions": [
        {
          "name": "Data Capture",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 499,
      "start_date": "2004-04-22",
      "completion_date": "2025-09-17",
      "has_results": false,
      "last_update_posted_date": "2025-09-24",
      "last_synced_at": "2026-10-23T12:31:54.207Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04996849"
    },
    {
      "nct_id": "NCT03529786",
      "title": "Mucopolysaccharidosis Type II Natural History",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mucopolysaccharidosis II"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "REGENXBIO Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 36,
      "start_date": "2017-09-27",
      "completion_date": "2022-03-22",
      "has_results": false,
      "last_update_posted_date": "2022-04-26",
      "last_synced_at": "2026-10-23T12:31:54.207Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03529786"
    },
    {
      "nct_id": "NCT02315469",
      "title": "Comprehensive Patient Questionnaires in Predicting Complications in Older Patients With Gynecologic Cancer Undergoing Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endometrial Serous Adenocarcinoma",
        "Fallopian Tube Carcinoma",
        "Malignant Female Reproductive System Neoplasm",
        "Ovarian Carcinoma",
        "Primary Peritoneal Carcinoma",
        "Stage IIIA Uterine Corpus Cancer AJCC v7",
        "Stage IIIB Uterine Corpus Cancer AJCC v7",
        "Stage IIIC Uterine Corpus Cancer AJCC v7",
        "Stage IVA Uterine Corpus Cancer AJCC v7",
        "Stage IVB Uterine Corpus Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Comprehensive Geriatric Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "70 Years and older · Female only"
      },
      "enrollment_count": 190,
      "start_date": "2015-02-10",
      "completion_date": "2019-02-09",
      "has_results": false,
      "last_update_posted_date": "2021-11-24",
      "last_synced_at": "2026-10-23T12:31:54.207Z",
      "location_count": 392,
      "location_summary": "Birmingham, Alabama • Fairbanks, Alaska • Phoenix, Arizona + 282 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fairbanks",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Antioch",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02315469"
    },
    {
      "nct_id": "NCT07166341",
      "title": "Accuracy Verification of the INVOS PM7100",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tissue Oxygenation"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic - MITG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "46 Years",
        "sex": "ALL",
        "summary": "18 Years to 46 Years"
      },
      "enrollment_count": 48,
      "start_date": "2025-09-29",
      "completion_date": "2026-04-23",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-23T12:31:54.207Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07166341"
    },
    {
      "nct_id": "NCT07225920",
      "title": "Understanding Needs of Older Patients Prior to Starting Cancer Treatment",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Assessment",
          "type": "OTHER"
        },
        {
          "name": "Internet-Based Intervention",
          "type": "OTHER"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2026-01-14",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-23T12:31:54.207Z",
      "location_count": 39,
      "location_summary": "Tuscaloosa, Alabama • Fort Smith, Arkansas • Jonesboro, Arkansas + 30 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07225920"
    },
    {
      "nct_id": "NCT01780142",
      "title": "Longitudinal Observational Study of Severe Asthma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 171,
      "start_date": "2013-03-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-23T12:31:54.207Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01780142"
    },
    {
      "nct_id": "NCT03121391",
      "title": "An Algorithmic Approach to Ventilator Withdrawal at the End of Life",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Care",
        "Palliative Care"
      ],
      "interventions": [
        {
          "name": "Ventilator withdrawal algorithm",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Wayne State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 165,
      "start_date": "2017-04-20",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2022-11-29",
      "last_synced_at": "2026-10-23T12:31:54.207Z",
      "location_count": 5,
      "location_summary": "Detroit, Michigan • Royal Oak, Michigan • Southfield, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "Southfield",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03121391"
    }
  ]
}