{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+data+collection+study.&page=5",
    "query": {
      "intervention": "Observation data collection study.",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "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=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+data+collection+study.&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T00:00:13.596Z",
  "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": "NCT03553732",
      "title": "An Electronic Registry to Improve Adherence to Active Surveillance Monitoring at a Safety-net Hospital",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Registry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 48,
      "start_date": "2018-07-01",
      "completion_date": "2019-09-29",
      "has_results": false,
      "last_update_posted_date": "2022-08-04",
      "last_synced_at": "2026-10-23T00:00:13.596Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03553732"
    },
    {
      "nct_id": "NCT01306994",
      "title": "Study of Resting and Exercising Body Functioning in Freeman-Sheldon Syndrome and Related Conditions",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthrogryposis",
        "Craniofacial Abnormalities"
      ],
      "interventions": [
        {
          "name": "Lactate, Glucose, and Adenosine Triphosphate Blood Levels",
          "type": "OTHER"
        },
        {
          "name": "Physiological Stress Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Functional Enquiry Form",
          "type": "OTHER"
        },
        {
          "name": "Strength, Joint ROM, Girth and Length Measurements",
          "type": "OTHER"
        },
        {
          "name": "Study Physical Examination",
          "type": "OTHER"
        },
        {
          "name": "Observational Gait Analysis",
          "type": "OTHER"
        },
        {
          "name": "Mental Health Interview",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Freeman-Sheldon Research Group, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2014-03",
      "completion_date": "2022-06",
      "has_results": false,
      "last_update_posted_date": "2022-06-06",
      "last_synced_at": "2026-10-23T00:00:13.596Z",
      "location_count": 1,
      "location_summary": "Buckhannon, West Virginia",
      "locations": [
        {
          "city": "Buckhannon",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01306994"
    },
    {
      "nct_id": "NCT04717869",
      "title": "Identifying Modifiable PAtient Centered Therapeutics (IMPACT) Frailty",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Frailty",
        "Sarcopenia"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Biomarker Analysis",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Frailty Index",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2023-09-22",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-10-23T00:00:13.596Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04717869"
    },
    {
      "nct_id": "NCT05179824",
      "title": "Tempus Priority Study: A Pan-tumor Observational Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Prostate Cancer",
        "Bladder Cancer",
        "Lung Cancer",
        "Brain Cancer",
        "Pancreatic Cancer",
        "Ovarian Cancer",
        "Fallopian Tube Cancer",
        "Peritoneal Cancer",
        "Cancer of Liver",
        "Cancer of Colon",
        "Cancer of Head and Neck",
        "Cancer of Stomach",
        "Cancer of Gastrointestinal Tract",
        "Cancer of Rectum",
        "Cancer of Esophagus",
        "Cancer of Skin",
        "Cancer of Cervix",
        "Cancer of Kidney",
        "Cancer of Larynx",
        "Cancer of Endometrium",
        "Cancer of the Bile Duct",
        "Cancer of Vulva",
        "Cancer of Bone and Connective Tissue",
        "Leukemia",
        "Lymphoma",
        "Spinal Cord Cancer"
      ],
      "interventions": [
        {
          "name": "Observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tempus AI",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2020-10-19",
      "completion_date": "2030-10-19",
      "has_results": false,
      "last_update_posted_date": "2025-05-06",
      "last_synced_at": "2026-10-23T00:00:13.596Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas • Houston, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05179824"
    },
    {
      "nct_id": "NCT04062552",
      "title": "Learning Collaborative Versus Technical Assistance in Delivering a Palliative Care Program to Patients With Advanced Cancer and Their Caregivers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Advanced Malignant Solid Neoplasm",
        "Metastatic Malignant Solid Neoplasm",
        "Recurrent Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Behavioral, Psychological or Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Medical Examination Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Telephone-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester NCORP Research Base",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 208,
      "start_date": "2021-03-09",
      "completion_date": "2026-08-23",
      "has_results": false,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-10-23T00:00:13.596Z",
      "location_count": 113,
      "location_summary": "Fort Smith, Arkansas • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 66 more",
      "locations": [
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Hilo",
          "state": "Hawaii"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04062552"
    },
    {
      "nct_id": "NCT00380796",
      "title": "A Long-term Safety Study of Infliximab in Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD).",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COPD",
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Collection of safety data for Cohort 1",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Centocor, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 88,
      "start_date": "2006-04",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2013-09-04",
      "last_synced_at": "2026-10-23T00:00:13.596Z",
      "location_count": 26,
      "location_summary": "Anaheim, California • San Diego, California • Bay Pines, Florida + 23 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Bay Pines",
          "state": "Florida"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Blue Ridge",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00380796"
    },
    {
      "nct_id": "NCT06812975",
      "title": "Paceport Swan-Ganz Data Collection Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "RV Dysfunction"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "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": 152,
      "start_date": "2021-09-18",
      "completion_date": "2025-07-08",
      "has_results": false,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-10-23T00:00:13.596Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06812975"
    },
    {
      "nct_id": "NCT01864434",
      "title": "In Vivo Kinematics Comparison of Stryker or Zimmer Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Prosthesis"
      ],
      "interventions": [
        {
          "name": "Stryker posterior cruciat retaining (PCR) total knee arthroplasty (TKA)",
          "type": "DEVICE"
        },
        {
          "name": "Zimmer PCR TKA",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 50,
      "start_date": "2013-06",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2019-10-10",
      "last_synced_at": "2026-10-23T00:00:13.596Z",
      "location_count": 4,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01864434"
    },
    {
      "nct_id": "NCT07527000",
      "title": "SpO2 Validation Study - All.Health Algo Oximeter Software",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Device Performance",
        "Healthy Adult Volunteers"
      ],
      "interventions": [
        {
          "name": "No intervention (observational study)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "All Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "22 Years to 50 Years"
      },
      "enrollment_count": 25,
      "start_date": "2026-04-27",
      "completion_date": "2026-05-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-10-23T00:00:13.596Z",
      "location_count": 1,
      "location_summary": "Louisville, Colorado",
      "locations": [
        {
          "city": "Louisville",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07527000"
    },
    {
      "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": "2026-10-23T00:00:13.596Z",
      "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"
    }
  ]
}