{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N%2FA-Observational+Study",
    "query": {
      "intervention": "N/A-Observational Study"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 96,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N%2FA-Observational+Study&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T19:29:16.396Z",
  "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": "NCT05332054",
      "title": "Long-Term Follow-up Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma, Non-Hodgkin",
        "Relapsed Non-Hodgkin Lymphoma",
        "Refractory B-Cell Non-Hodgkin Lymphoma",
        "Non-Hodgkin Lymphoma",
        "Lymphoma",
        "B Cell Lymphoma",
        "B-Cell Non-Hodgkin's Lymphoma",
        "Hematologic Malignancy",
        "Relapsed/Refractory Multiple Myeloma",
        "Relapsed/Refractory Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Caribou-sponsored investigational therapy",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Caribou Biosciences, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2022-03-16",
      "completion_date": "2041-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-09-04T19:29:16.396Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Scottsdale, Arizona + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05332054"
    },
    {
      "nct_id": "NCT02355717",
      "title": "Role of Cardiometabolic Risk Factors in Childhood Bone Development",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Cardiovascular Disease",
        "Type 2 Diabetes",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Observational Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "9 Years to 15 Years"
      },
      "enrollment_count": 400,
      "start_date": "2014-12",
      "completion_date": "2021-12-30",
      "has_results": false,
      "last_update_posted_date": "2019-11-20",
      "last_synced_at": "2026-09-04T19:29:16.396Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02355717"
    },
    {
      "nct_id": "NCT07775976",
      "title": "Cor360: Clinician-Facing Broad-Spectrum Cardiac Phenotyping and Risk Assessment Using COR® Wearable ECG to Inform Outcomes-Oriented Care Pathways",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Diseases",
        "Cardiovascular Diseases Risk",
        "Cardiac Conduction System Disease",
        "Bundle/Fascicular Abnormalities",
        "His-Purkinje Disease",
        "Arrhythmias, Cardiac",
        "Rhythm Phenotypes",
        "Myocardial Ischemia",
        "Syncope",
        "Syncope Recurrent",
        "Syncope and Collapse",
        "Seizure Disorder",
        "Sleep Apnea Syndrome, Obstructive",
        "Decision Support Systems, Clinical",
        "Heart Failure - NYHA II - IV",
        "Heart Failure (for Example, Fluid Overload)",
        "HRV",
        "Cardiopulmonary",
        "Sudden Cardiac Arrest",
        "Cardiac Arrest (CA)",
        "Ventricular Arrhythmias and Cardiac Arrest",
        "Ventricular Fibrillation",
        "QT Dispersion",
        "Atrial Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "COR Wearable ECG Monitoring",
          "type": "DEVICE"
        },
        {
          "name": "Cor360 Clinician-Facing Decision-Aid Reporting",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Peerbridge Health, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2026-08-20",
      "completion_date": "2030-06-17",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-04T19:29:16.396Z",
      "location_count": 2,
      "location_summary": "Pasadena, California • Nashville, Tennessee",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07775976"
    },
    {
      "nct_id": "NCT07613918",
      "title": "Brain Blood Flow and Cerebral Autoregulation Monitoring in Critically Ill Children",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Critical Illness",
        "Pediatric Critical Illness",
        "Respiratory Failure",
        "Traumatic Brain Injury",
        "Cardiac Arrest"
      ],
      "interventions": [
        {
          "name": "Transcranial Doppler",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Day to 17 Years"
      },
      "enrollment_count": 125,
      "start_date": "2026-08-03",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-04T19:29:16.396Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07613918"
    },
    {
      "nct_id": "NCT04632992",
      "title": "A Study Evaluating Targeted Therapies in Participants Who Have Advanced Solid Tumors With Genomic Alterations or Protein Expression Patterns Predictive of Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Unresectable or Metastatic Solid Malignancy"
      ],
      "interventions": [
        {
          "name": "Entrectinib",
          "type": "DRUG"
        },
        {
          "name": "Inavolisib",
          "type": "DRUG"
        },
        {
          "name": "Alectinib",
          "type": "DRUG"
        },
        {
          "name": "Ipatasertib",
          "type": "DRUG"
        },
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab Emtansine",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf",
          "type": "DRUG"
        },
        {
          "name": "Tucatinib",
          "type": "DRUG"
        },
        {
          "name": "Investigator's Choice of Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Tiragolumab",
          "type": "DRUG"
        },
        {
          "name": "Pralsetinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 252,
      "start_date": "2021-01-13",
      "completion_date": "2024-02-27",
      "has_results": true,
      "last_update_posted_date": "2025-01-08",
      "last_synced_at": "2026-09-04T19:29:16.396Z",
      "location_count": 38,
      "location_summary": "Anchorage, Alaska • Oro Valley, Arizona • Hot Springs, Arkansas + 33 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Oro Valley",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04632992"
    },
    {
      "nct_id": "NCT05813678",
      "title": "A Long-term, Post-marketing Safety Study of Palynziq in Patients With PKU (PALace)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Phenylketonuria (PKU)"
      ],
      "interventions": [
        {
          "name": "Pegvaliase",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioMarin Pharmaceutical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 450,
      "start_date": "2022-06-06",
      "completion_date": "2033-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-25",
      "last_synced_at": "2026-09-04T19:29:16.396Z",
      "location_count": 12,
      "location_summary": "Aurora, Colorado • Atlanta, Georgia • Chicago, Illinois + 9 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05813678"
    },
    {
      "nct_id": "NCT02373540",
      "title": "Algovita Post-Market Clinical Study: Spinal Cord Stimulation to Treat Chronic Pain",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Algovita Spinal Cord Stimulation system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Nuvectra",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 91,
      "start_date": "2015-06",
      "completion_date": "2019-11",
      "has_results": false,
      "last_update_posted_date": "2020-08-21",
      "last_synced_at": "2026-09-04T19:29:16.396Z",
      "location_count": 16,
      "location_summary": "Show Low, Arizona • Carlsbad, California • Los Gatos, California + 13 more",
      "locations": [
        {
          "city": "Show Low",
          "state": "Arizona"
        },
        {
          "city": "Carlsbad",
          "state": "California"
        },
        {
          "city": "Los Gatos",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02373540"
    },
    {
      "nct_id": "NCT07422584",
      "title": "Cytokine Response to Abdominal Wall Reconstruction",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Incisional Ventral Hernia"
      ],
      "interventions": [
        {
          "name": "Not applicable- observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2026-02-03",
      "completion_date": "2027-03-05",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-09-04T19:29:16.396Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07422584"
    },
    {
      "nct_id": "NCT07603778",
      "title": "Voice Technology to Identify Opioid Use",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Not applicable- observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tenvos Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2024-12-10",
      "completion_date": "2026-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-04T19:29:16.396Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07603778"
    },
    {
      "nct_id": "NCT04902768",
      "title": "Assessment of Patterns of Patient Reported Outcomes in Adults With Congenital Heart Disease - International Study II",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "This is an observational study, there is no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "KU Leuven",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8415,
      "start_date": "2019-08-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-16",
      "last_synced_at": "2026-09-04T19:29:16.396Z",
      "location_count": 10,
      "location_summary": "San Francisco, California • Stanford, California • Gainesville, Florida + 7 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04902768"
    }
  ]
}