{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study+without+intervention&page=3",
    "query": {
      "intervention": "Observational study without intervention",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 132,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study+without+intervention&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study+without+intervention&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T09:31:35.444Z",
  "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": "NCT00665561",
      "title": "Prospective Observational Epidemiologic Study of Maraviroc's Safety",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "Maraviroc along with an optimized background antiretroviral drug regimen",
          "type": "DRUG"
        },
        {
          "name": "Optimized background antiretroviral drug regimen without maraviroc",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ViiV Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2500,
      "start_date": "2008-03-31",
      "completion_date": "2019-02-14",
      "has_results": true,
      "last_update_posted_date": "2022-10-18",
      "last_synced_at": "2026-10-24T09:31:35.444Z",
      "location_count": 145,
      "location_summary": "Hobson City, Alabama • Huntsville, Alabama • Bakersfield, California + 87 more",
      "locations": [
        {
          "city": "Hobson City",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00665561"
    },
    {
      "nct_id": "NCT04381494",
      "title": "Mobile Devices to Detect Early Pneumonitis in Stage III NSCLC Patients on Durvalumab.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Unresectable Stage III NSCLC"
      ],
      "interventions": [
        {
          "name": "Multiparametric Mobile Technology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 40,
      "start_date": "2020-04-27",
      "completion_date": "2022-01-27",
      "has_results": true,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-10-24T09:31:35.444Z",
      "location_count": 18,
      "location_summary": "Long Beach, California • Santa Ana, California • Englewood, Colorado + 15 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Plainville",
          "state": "Connecticut"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04381494"
    },
    {
      "nct_id": "NCT02437773",
      "title": "Neurocircuit Mechanisms of OCD Across the Lifespan",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obsessive-Compulsive Disorder"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy - Adolescents",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stress Management Therapy - Adolescents",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Optional CBT - Adolescents",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Behavioral Therapy - Adults",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stress Management Therapy - Adults",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Optional CBT - Adults",
          "type": "BEHAVIORAL"
        },
        {
          "name": "fMRI only - Healthy Control Adults",
          "type": "OTHER"
        },
        {
          "name": "fMRI only - Healthy Control Adolescents",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "13 Years to 45 Years"
      },
      "enrollment_count": 206,
      "start_date": "2015-03-09",
      "completion_date": "2020-10-21",
      "has_results": false,
      "last_update_posted_date": "2020-11-06",
      "last_synced_at": "2026-10-24T09:31:35.444Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02437773"
    },
    {
      "nct_id": "NCT05273801",
      "title": "Assessing Visual Feedback of HR Monitoring in Rehabilitation - Pilot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Therapy",
        "Heart Rate Determination"
      ],
      "interventions": [
        {
          "name": "Heart Rate Recording from Multiple Participants, No Visual Feedback",
          "type": "DEVICE"
        },
        {
          "name": "Visual Feedback of Multiple Participant Heart Rates",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Shirley Ryan AbilityLab",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 18,
      "start_date": "2022-01-28",
      "completion_date": "2022-05-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-10-24T09:31:35.444Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05273801"
    },
    {
      "nct_id": "NCT03231202",
      "title": "Splenic Injury Embolization - the Question About NOM (SInE Qua NOM)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Wounds and Injuries"
      ],
      "interventions": [
        {
          "name": "Embolization",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Oslo University Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "16 Years to 80 Years"
      },
      "enrollment_count": 224,
      "start_date": "2017-07-01",
      "completion_date": "2019-08-01",
      "has_results": false,
      "last_update_posted_date": "2017-07-27",
      "last_synced_at": "2026-10-24T09:31:35.444Z",
      "location_count": 3,
      "location_summary": "Denver, Colorado • Pittsburgh, Pennsylvania • Seattle, Washington",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03231202"
    },
    {
      "nct_id": "NCT00756522",
      "title": "Analyzing Lung Tissue in People With and Without Chronic Obstructive Pulmonary Disease Who Are Undergoing Lung Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "There is no intervention. Study is observational.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 63,
      "start_date": "2007-10",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2018-06-18",
      "last_synced_at": "2026-10-24T09:31:35.444Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00756522"
    },
    {
      "nct_id": "NCT07568119",
      "title": "Feasibility and Acceptance of SonoHeal for Airway Clearance and Preliminary Comparison With the Standard of Care",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis (CF)",
        "Non Cystic Fibrosis Bronchiectasis",
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "Airway clearance therapy through acoustic oscillations",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cognita Labs LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "11 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2024-02-17",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-10-24T09:31:35.444Z",
      "location_count": 1,
      "location_summary": "Santa Ana, California",
      "locations": [
        {
          "city": "Santa Ana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07568119"
    },
    {
      "nct_id": "NCT05121337",
      "title": "Groceries for Black Residents of Boston to Stop Hypertension Among Adults Without Treated Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Elevated Blood Pressure",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Dietitian-Assisted DASH groceries",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-directed shopping",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 180,
      "start_date": "2022-09-30",
      "completion_date": "2026-04-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-10-24T09:31:35.444Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05121337"
    },
    {
      "nct_id": "NCT05215145",
      "title": "Baby Navigator Intervention to Improve Outcomes of Toddlers With Communication Delays",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Social Communication"
      ],
      "interventions": [
        {
          "name": "Baby Navigator Bundle",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Baby Navigator Bundle + Individual-ESI",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "18 Months",
        "sex": "ALL",
        "summary": "12 Months to 18 Months"
      },
      "enrollment_count": 98,
      "start_date": "2021-07-14",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-24T09:31:35.444Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05215145"
    },
    {
      "nct_id": "NCT05541016",
      "title": "De-Escalated Adjuvant and Definitive Radiation Therapy Informed by DART 2.0 ctHPV-DNA",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Clinical Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Human Papillomavirus-Related Oropharyngeal Squamous Cell Carcinoma",
        "Stage I Oropharyngeal (p16-Negative) Carcinoma AJCC v8",
        "Stage II Oropharyngeal (p16-Negative) Carcinoma AJCC v8",
        "Stage III Oropharyngeal (p16-Negative) Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Diffusing Alpha-emitter Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Proton Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Modified Barium Swallow Study",
          "type": "PROCEDURE"
        },
        {
          "name": "Observation Activity",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 455,
      "start_date": "2023-03-20",
      "completion_date": "2029-09-06",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-24T09:31:35.444Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05541016"
    }
  ]
}