{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=22",
    "query": {
      "intervention": "No intervention (observational study)",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 918,
    "total_pages": 92,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T11:03:43.339Z",
  "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": "NCT02315638",
      "title": "Long-Term Follow-Up Safety Monitoring of Patients Dosed in the First-in-Man Phase I/II Study of TT-034.",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Tacere Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2014-11",
      "completion_date": "2018-09-24",
      "has_results": false,
      "last_update_posted_date": "2018-09-26",
      "last_synced_at": "2026-10-21T11:03:43.339Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02315638"
    },
    {
      "nct_id": "NCT04510506",
      "title": "Artificial Pancreas - Adolescent Physiology & Psychology Longitudinal Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "Artificial Pancreas (AP)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "11 Years to 12 Years"
      },
      "enrollment_count": 42,
      "start_date": "2020-11-19",
      "completion_date": "2025-10-24",
      "has_results": false,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-10-21T11:03:43.339Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04510506"
    },
    {
      "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": "2026-10-21T11:03:43.339Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03834064"
    },
    {
      "nct_id": "NCT02207114",
      "title": "Using Biomarkers to Optimize Antibiotic Strategies in Sepsis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sepsis"
      ],
      "interventions": [
        {
          "name": "Biomarker Algorithm Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 145,
      "start_date": "2012-01",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2024-01-05",
      "last_synced_at": "2026-10-21T11:03:43.339Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02207114"
    },
    {
      "nct_id": "NCT05815784",
      "title": "Myopia Control: a Comparison Study Between Atropine and MiSight",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Atropine",
          "type": "DRUG"
        },
        {
          "name": "MiSight contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 348,
      "start_date": "2023-05-02",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-21T11:03:43.339Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05815784"
    },
    {
      "nct_id": "NCT06042699",
      "title": "Kids With Iron Deficiency and Scoliosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Idiopathic Scoliosis",
        "Neuromuscular Scoliosis",
        "Perioperative/Postoperative Complications",
        "Iron Deficiencies",
        "Anemia",
        "Spinal Fusion",
        "Postoperative Cognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Oral ferrous sulfate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Oral placebo tablet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "10 Years to 26 Years"
      },
      "enrollment_count": 275,
      "start_date": "2024-01-11",
      "completion_date": "2028-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-10-21T11:03:43.339Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06042699"
    },
    {
      "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": "2026-10-21T11:03:43.339Z",
      "location_count": 1,
      "location_summary": "Louisville, Colorado",
      "locations": [
        {
          "city": "Louisville",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07527000"
    },
    {
      "nct_id": "NCT05619900",
      "title": "Registry of Patients Diagnosed With Lysosomal Storage Diseases",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mucopolysaccharidosis I",
        "Mucopolysaccharidosis II",
        "Mucopolysaccharidosis IV A",
        "Mucopolysaccharidosis VI",
        "Mucopolysaccharidosis VII",
        "Pompe Disease Infantile-Onset",
        "Neuronopathic Gaucher Disease",
        "Wolman Disease"
      ],
      "interventions": [
        {
          "name": "There is no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "Up to 64 Years"
      },
      "enrollment_count": 250,
      "start_date": "2022-05-31",
      "completion_date": "2050-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-10-21T11:03:43.339Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05619900"
    },
    {
      "nct_id": "NCT01857401",
      "title": "Development of a Novel Human In Vitro Sarcoidosis Model",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sarcoidosis"
      ],
      "interventions": [
        {
          "name": "No intervention, observational study only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Elliott Crouser MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 60,
      "start_date": "2012-12-19",
      "completion_date": "2017-02-02",
      "has_results": false,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-10-21T11:03:43.339Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01857401"
    },
    {
      "nct_id": "NCT07579182",
      "title": "Hormones, Outcomes, and Pain Pathways in Exercise Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Pain",
        "Mastalgia",
        "Back Pain",
        "Back Pain, Low",
        "Neck Pain",
        "Chest Pain",
        "Activity, Motor",
        "Healthy Aging",
        "Weight, Body",
        "Inflammation",
        "Gonadal Steroid Hormones",
        "Neuronal Plasticity",
        "Neuromuscular Manifestations"
      ],
      "interventions": [
        {
          "name": "Interventional Sports bra",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 140,
      "start_date": "2026-05-17",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-10-21T11:03:43.339Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07579182"
    }
  ]
}