{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prospective+observational+cohorts&page=6",
    "query": {
      "intervention": "Prospective observational cohorts",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 267,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prospective+observational+cohorts&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prospective+observational+cohorts&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T04:19:31.797Z",
  "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": "NCT02442141",
      "title": "Peri-operative NIRS Monitoring In Infants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anesthesia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "Up to 6 Months"
      },
      "enrollment_count": 76,
      "start_date": "2015-04-28",
      "completion_date": "2016-09-27",
      "has_results": false,
      "last_update_posted_date": "2018-05-15",
      "last_synced_at": "2026-10-07T04:19:31.797Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02442141"
    },
    {
      "nct_id": "NCT04973397",
      "title": "Vascular Events In Patients Undergoing Same-day Noncardiac Surgery (VALIANCE) Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preoperative Care",
        "Surgery--Complications",
        "Myocardial Infarction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Centre hospitalier de l'Université de Montréal (CHUM)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 15000,
      "start_date": "2021-11-17",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-10-07T04:19:31.797Z",
      "location_count": 5,
      "location_summary": "Winston-Salem, North Carolina • Cleveland, Ohio • Houston, Texas",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04973397"
    },
    {
      "nct_id": "NCT04982471",
      "title": "Connect® Lymphoma Disease Registry: A US-Based Prospective Observational Cohort Study",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma, Non-Hodgkin",
        "Lymphoma, Large B-Cell, Diffuse",
        "Lymphoma, Follicular"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Celgene",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2021-11-03",
      "completion_date": "2023-08-03",
      "has_results": false,
      "last_update_posted_date": "2025-03-11",
      "last_synced_at": "2026-10-07T04:19:31.797Z",
      "location_count": 53,
      "location_summary": "Hot Springs, Arkansas • Boulder, Colorado • Pensacola, Florida + 35 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04982471"
    },
    {
      "nct_id": "NCT05775744",
      "title": "Management of Postpartum Preeclampsia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postpartum Preeclampsia"
      ],
      "interventions": [
        {
          "name": "Tight postpartum blood pressure control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "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": 392,
      "start_date": "2023-03-28",
      "completion_date": "2024-03-26",
      "has_results": false,
      "last_update_posted_date": "2024-04-02",
      "last_synced_at": "2026-10-07T04:19:31.797Z",
      "location_count": 2,
      "location_summary": "Livingston, New Jersey • New Brunswick, New Jersey",
      "locations": [
        {
          "city": "Livingston",
          "state": "New Jersey"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05775744"
    },
    {
      "nct_id": "NCT04034992",
      "title": "A Study on Patients With Chronic Kidney Disease (CKD) to Assess Treatment Experience and Patterns, Effect of the Treatment, Patient Outcomes and Patient Quality of Life",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 1052,
      "start_date": "2019-09-11",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-03-06",
      "last_synced_at": "2026-10-07T04:19:31.797Z",
      "location_count": 11,
      "location_summary": "Riverside, California • San Francisco, California • Sanford, Florida + 8 more",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Sanford",
          "state": "Florida"
        },
        {
          "city": "Sebring",
          "state": "Florida"
        },
        {
          "city": "Plymouth",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04034992"
    },
    {
      "nct_id": "NCT06521502",
      "title": "The APS Phenotyping Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ARDS",
        "Sepsis",
        "Pneumonia"
      ],
      "interventions": [
        {
          "name": "Blood collection",
          "type": "OTHER"
        },
        {
          "name": "Urine Collection",
          "type": "OTHER"
        },
        {
          "name": "Nasal, oral, and rectal swabs",
          "type": "OTHER"
        },
        {
          "name": "Stool collection",
          "type": "OTHER"
        },
        {
          "name": "Heat Moisture Exchange Filter collection",
          "type": "OTHER"
        },
        {
          "name": "Tracheal Aspirate sample collection",
          "type": "OTHER"
        },
        {
          "name": "Non-bronchoscopic bronchoalveolar lavage (NBBAL)",
          "type": "PROCEDURE"
        },
        {
          "name": "Surveys",
          "type": "OTHER"
        },
        {
          "name": "Short physical performance battery",
          "type": "OTHER"
        },
        {
          "name": "Hand grip strength",
          "type": "OTHER"
        },
        {
          "name": "CNS Vital Signs",
          "type": "OTHER"
        },
        {
          "name": "Muscle Ultrasound",
          "type": "OTHER"
        },
        {
          "name": "Muscle Strength",
          "type": "OTHER"
        },
        {
          "name": "Spirometry",
          "type": "OTHER"
        },
        {
          "name": "Lung Diffusion Testing (DLCO)",
          "type": "OTHER"
        },
        {
          "name": "Chest CT Scan",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2024-07-25",
      "completion_date": "2029-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-10-07T04:19:31.797Z",
      "location_count": 20,
      "location_summary": "Fresno, California • Palo Alto, California • San Francisco, California + 12 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06521502"
    },
    {
      "nct_id": "NCT04557748",
      "title": "LURN: Urinary Urgency Phenotyping Protocol",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        },
        {
          "name": "Observational Controls",
          "type": "OTHER"
        },
        {
          "name": "Central Sensitization",
          "type": "OTHER"
        },
        {
          "name": "Physical Activity and Sleep Tracker",
          "type": "OTHER"
        },
        {
          "name": "Physical Activity and Sleep Tracker Controls",
          "type": "OTHER"
        },
        {
          "name": "Organ-Based",
          "type": "OTHER"
        },
        {
          "name": "Qualitative Assessment of Patients with Urinary Urgency",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Arbor Research Collaborative for Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1030,
      "start_date": "2021-02-17",
      "completion_date": "2025-08-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-07T04:19:31.797Z",
      "location_count": 6,
      "location_summary": "Chicago, Illinois • Iowa City, Iowa • Ann Arbor, Michigan + 3 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04557748"
    },
    {
      "nct_id": "NCT03418961",
      "title": "S1501 Dual Observational and Randomized Cohort Study of Patients With Metastatic HER-2+ Breast Cancer at Risk of Cardiac Toxicity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cardiotoxicity",
        "HER2/Neu Positive",
        "Metastatic Malignant Neoplasm in the Brain",
        "Recurrent Breast Carcinoma",
        "Stage IV Breast Cancer AJCC v6 and v7"
      ],
      "interventions": [
        {
          "name": "Carvedilol",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 491,
      "start_date": "2017-11-01",
      "completion_date": "2027-09-15",
      "has_results": false,
      "last_update_posted_date": "2025-10-08",
      "last_synced_at": "2026-10-07T04:19:31.797Z",
      "location_count": 577,
      "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Hot Springs, Arkansas + 375 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03418961"
    },
    {
      "nct_id": "NCT05592483",
      "title": "An Observational Study of Patients Receiving T-DXd for Treatment of HER2+, and HER2-low Unresectable and/or Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "None (Observational Study)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 78,
      "start_date": "2023-07-07",
      "completion_date": "2024-05-29",
      "has_results": false,
      "last_update_posted_date": "2024-11-07",
      "last_synced_at": "2026-10-07T04:19:31.797Z",
      "location_count": 40,
      "location_summary": "Mobile, Alabama • Chandler, Arizona • Little Rock, Arkansas + 36 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05592483"
    },
    {
      "nct_id": "NCT02449031",
      "title": "Observational Study in Cystic Fibrosis Patients Using TOBI® PODHALER® or Other FDA Approved Inhaled Antipseudomonal Antibacterial Drugs",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pseudomonas Aeruginosa in Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "TOBI® PODHALER®",
          "type": "DRUG"
        },
        {
          "name": "TOBI®",
          "type": "DRUG"
        },
        {
          "name": "Bethkis®",
          "type": "DRUG"
        },
        {
          "name": "Cayston®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 409,
      "start_date": "2015-05-05",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-03-22",
      "last_synced_at": "2026-10-07T04:19:31.797Z",
      "location_count": 47,
      "location_summary": "Anchorage, Alaska • Little Rock, Arkansas • Bellflower, California + 43 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02449031"
    }
  ]
}