{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+data+collection+study.&page=3",
    "query": {
      "intervention": "Observation data collection study.",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "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=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+data+collection+study.&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T22:29:15.165Z",
  "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": "NCT06237322",
      "title": "Study of RE.DOCTOR Vitals® Software Accuracy",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Disorder",
        "Cardiovascular Diseases",
        "Diabetes",
        "Pre-Diabetes",
        "Primary Care"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "RE.DOCTOR LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "13 Years to 80 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2024-03-01",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-05",
      "last_synced_at": "2026-10-22T22:29:15.165Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06237322"
    },
    {
      "nct_id": "NCT02861820",
      "title": "Functional Connectivity Changes During Early Recovery as a Marker for Relapse",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Substance Use Disorder"
      ],
      "interventions": [
        {
          "name": "MRI: Brain Imaging Data Collection",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "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": 160,
      "start_date": "2015-07-01",
      "completion_date": "2021-01-26",
      "has_results": false,
      "last_update_posted_date": "2022-01-21",
      "last_synced_at": "2026-10-22T22:29:15.165Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02861820"
    },
    {
      "nct_id": "NCT06581835",
      "title": "Accuracy Performance Verification of the INVOS™ PM7100 System in Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oxygen Saturation"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic - MITG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 42,
      "start_date": "2024-10-21",
      "completion_date": "2025-07-22",
      "has_results": false,
      "last_update_posted_date": "2025-07-25",
      "last_synced_at": "2026-10-22T22:29:15.165Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06581835"
    },
    {
      "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": "2026-10-22T22:29:15.165Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07441148"
    },
    {
      "nct_id": "NCT07775872",
      "title": "Prospective Natural History Study of POLG Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PolG, Primary Mitochondrial Myopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The POLG Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 300,
      "start_date": "2026-06-17",
      "completion_date": "2031-06-17",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-22T22:29:15.165Z",
      "location_count": 7,
      "location_summary": "San Diego, California • Aurora, Colorado • New York, New York + 4 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Akron",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07775872"
    },
    {
      "nct_id": "NCT04314401",
      "title": "National Cancer Institute \"Cancer Moonshot Biobank\"",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Clinical Stage IV Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage IV Gastric Cancer AJCC v8",
        "Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Esophageal Carcinoma",
        "Fallopian Tube Carcinoma",
        "Gastric Carcinoma",
        "Hormone Receptor-Positive Breast Carcinoma",
        "Invasive Breast Carcinoma",
        "Lung Non-Small Cell Carcinoma",
        "Lung Small Cell Carcinoma",
        "Malignant Solid Neoplasm",
        "Melanoma",
        "Metastatic Prostate Carcinoma",
        "Multiple Myeloma",
        "Ovarian Carcinoma",
        "Ovarian High Grade Serous Adenocarcinoma",
        "Primary Peritoneal Carcinoma",
        "Stage III Fallopian Tube Cancer AJCC v8",
        "Stage III Lung Cancer AJCC v8",
        "Stage III Ovarian Cancer AJCC v8",
        "Stage IV Colorectal Cancer AJCC v8",
        "Stage IV Fallopian Tube Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IV Ovarian Cancer AJCC v8",
        "Stage IVB Prostate Cancer AJCC v8",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        },
        {
          "name": "Paracentesis",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 1600,
      "start_date": "2020-11-11",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-22T22:29:15.165Z",
      "location_count": 147,
      "location_summary": "Daphne, Alabama • Fairhope, Alabama • Mobile, Alabama + 115 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Saraland",
          "state": "Alabama"
        },
        {
          "city": "Kingman",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04314401"
    },
    {
      "nct_id": "NCT06176625",
      "title": "Sight and Hearing Investigation Into Effects on Delirium",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hearing Loss",
        "Hearing Loss, Age-Related",
        "Hearing Disability",
        "Delirium",
        "Delirium in Old Age",
        "Delirium of Mixed Origin",
        "Delirium With Dementia",
        "Delirium on Emergence",
        "Delirium, Cause Unknown",
        "Delirium Superimposed on Dementia",
        "Delirium Confusional State",
        "Delirium;Non Alcoholic",
        "Hearing Loss, Bilateral",
        "Hearing Loss, Sensorineural",
        "Hearing Loss, Functional",
        "Hearing Loss, High-Frequency",
        "Hearing"
      ],
      "interventions": [
        {
          "name": "Communication Signage",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Amplifier Use",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 1543,
      "start_date": "2023-01-11",
      "completion_date": "2023-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-10-22T22:29:15.165Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06176625"
    },
    {
      "nct_id": "NCT01640717",
      "title": "A Retrospective, Observational, Noninterventional Data Collection Study for Patients With Molybdenum Cofactor Deficiency Who Have Been Previously Treated With Cyclic Pyranopterin Monophosphate (cPMP)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Molybdenum Cofactor Deficiency"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Origin Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Day and older"
      },
      "enrollment_count": 15,
      "start_date": "2012-11",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2019-03-19",
      "last_synced_at": "2026-10-22T22:29:15.165Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01640717"
    },
    {
      "nct_id": "NCT05659901",
      "title": "Rocket Study: A Study to Characterize Biomarkers and Disease Progression in Participants With Pelizaeus-Merzbacher Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pelizaeus-Merzbacher Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ionis Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "MALE",
        "summary": "6 Months to 17 Years · Male only"
      },
      "enrollment_count": 32,
      "start_date": "2022-10-03",
      "completion_date": "2029-03",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-22T22:29:15.165Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • Baltimore, Maryland • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05659901"
    },
    {
      "nct_id": "NCT04264702",
      "title": "BESPOKE Study of ctDNA Guided Therapy in Colorectal Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Colon Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1788,
      "start_date": "2020-04-24",
      "completion_date": "2025-09",
      "has_results": false,
      "last_update_posted_date": "2023-12-12",
      "last_synced_at": "2026-10-22T22:29:15.165Z",
      "location_count": 1,
      "location_summary": "San Carlos, California",
      "locations": [
        {
          "city": "San Carlos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04264702"
    }
  ]
}