{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational%29&page=19",
    "query": {
      "intervention": "No intervention (observational)",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 1067,
    "total_pages": 107,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational%29&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational%29&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T10:16:58.178Z",
  "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": "NCT00606294",
      "title": "Using Fluorine-18-Labeled Fluoro-Misonidazole Positron Emission Tomography To Detect Hypoxia in Head and Neck Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "fluorine-18-labeled fluoro-misonidazole (18F-FMISO)",
          "type": "RADIATION"
        },
        {
          "name": "18F-FMISO PET scan",
          "type": "DEVICE"
        },
        {
          "name": "MRI",
          "type": "DEVICE"
        },
        {
          "name": "FDG PET/CT scan",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DEVICE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2004-06",
      "completion_date": "2023-06-09",
      "has_results": true,
      "last_update_posted_date": "2023-06-28",
      "last_synced_at": "2026-10-30T10:16:58.178Z",
      "location_count": 5,
      "location_summary": "Basking Ridge, New Jersey • Commack, New York • Harrison, New York + 2 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rockville Centre",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00606294"
    },
    {
      "nct_id": "NCT00305695",
      "title": "Zoledronate or Observation in Maintaining Bone Mineral Density in Patients Who Are Undergoing Surgery to Remove Both Ovaries",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hereditary Breast and Ovarian Cancer Syndrome",
        "Osteoporosis",
        "Ovarian Carcinoma"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Zoledronic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 160,
      "start_date": "2005-11-28",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2020-03-24",
      "last_synced_at": "2026-10-30T10:16:58.178Z",
      "location_count": 95,
      "location_summary": "Scottsdale, Arizona • Tucson, Arizona • Burbank, California + 76 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00305695"
    },
    {
      "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": "2026-10-30T10:16:58.178Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05273801"
    },
    {
      "nct_id": "NCT00795236",
      "title": "Melatonin Studies of Totally Blind Children",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorder",
        "Blindness"
      ],
      "interventions": [
        {
          "name": "Melatonin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "5 Years to 20 Years"
      },
      "enrollment_count": 13,
      "start_date": "2009-11",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2019-11-27",
      "last_synced_at": "2026-10-30T10:16:58.178Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00795236"
    },
    {
      "nct_id": "NCT01105767",
      "title": "Methicillin-resistant Staphylococcus Aureus (MRSA) Skin and Soft Tissue Infection (SSTI) Prevention in Military Trainees",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Staphylococcus Aureus",
        "MRSA Skin Infections",
        "Staphylococcal Skin Infections"
      ],
      "interventions": [
        {
          "name": "Chlorhexidine gluconate",
          "type": "DRUG"
        },
        {
          "name": "Supplemental training, education and hygiene",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "MALE",
        "summary": "18 Years to 42 Years · Male only"
      },
      "enrollment_count": 30209,
      "start_date": "2010-05",
      "completion_date": "2012-01",
      "has_results": true,
      "last_update_posted_date": "2023-02-03",
      "last_synced_at": "2026-10-30T10:16:58.178Z",
      "location_count": 1,
      "location_summary": "Columbus, Georgia",
      "locations": [
        {
          "city": "Columbus",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01105767"
    },
    {
      "nct_id": "NCT03834064",
      "title": "Oral Health Promotion Strategy for Persons With Intellectual/Developmental Disabilities",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oral Health"
      ],
      "interventions": [
        {
          "name": "Oral health promotion strategy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Louisville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 412,
      "start_date": "2018-06-01",
      "completion_date": "2021-11-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-17",
      "last_synced_at": "2026-10-30T10:16:58.178Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03834064"
    },
    {
      "nct_id": "NCT02986334",
      "title": "Placebo In Chronic Back Pain (Phase 2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Apkar Apkarian",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 94,
      "start_date": "2016-08",
      "completion_date": "2018-06",
      "has_results": true,
      "last_update_posted_date": "2022-11-07",
      "last_synced_at": "2026-10-30T10:16:58.178Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02986334"
    },
    {
      "nct_id": "NCT03378336",
      "title": "Psoriatic Arthritis Research Collaborative: Biologic Sub-Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Psoriatic Arthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 171,
      "start_date": "2017-12-31",
      "completion_date": "2023-08-16",
      "has_results": true,
      "last_update_posted_date": "2025-05-09",
      "last_synced_at": "2026-10-30T10:16:58.178Z",
      "location_count": 4,
      "location_summary": "New York, New York • Cleveland, Ohio • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03378336"
    },
    {
      "nct_id": "NCT02003612",
      "title": "Historical Data Analysis of Hematological Remission and Survival in Adults With R/R Acute Lymphoblastic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Not applicable - observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 2373,
      "start_date": "2013-10-01",
      "completion_date": "2014-04-28",
      "has_results": false,
      "last_update_posted_date": "2022-11-07",
      "last_synced_at": "2026-10-30T10:16:58.178Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Cleveland, Ohio",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02003612"
    },
    {
      "nct_id": "NCT05704036",
      "title": "Estrogen Supplementation and Bone Health in Women With CF",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cystic Fibrosis",
        "Hypoestrogenism"
      ],
      "interventions": [
        {
          "name": "Transdermal estrogen",
          "type": "DRUG"
        },
        {
          "name": "Progesterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "0 Years to 100 Years · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2023-05-02",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-10-30T10:16:58.178Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05704036"
    }
  ]
}