{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational%2C+no+intervention",
    "query": {
      "intervention": "Observational, no intervention"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 696,
    "total_pages": 70,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational%2C+no+intervention&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T07:17:10.328Z",
  "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": "NCT02103699",
      "title": "A Study to Examine Patient Characteristics, Health Care Management and Health Outcomes of Hepatitis C Virus (HCV) Patients Treated With Simeprevir",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatitis C Virus"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Scientific Affairs, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 315,
      "start_date": "2014-02",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-02-22",
      "last_synced_at": "2026-09-15T07:17:10.328Z",
      "location_count": 32,
      "location_summary": "Phoenix, Arizona • Bakersfield, California • Beverly Hills, California + 29 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02103699"
    },
    {
      "nct_id": "NCT07805044",
      "title": "Truway Whole-Body Digital Twin and Physiologic Resilience Study (TRU-OMNIBODY)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PHYSIOLOGICAL PHENOMENA",
        "Homeostasis",
        "Physical Functional Performance",
        "Cardiorespiratory Fitness",
        "Cardiometabolic Risk Factors",
        "Mobility Limitation"
      ],
      "interventions": [
        {
          "name": "Standardized Physiologic Resilience Challenge",
          "type": "PROCEDURE"
        },
        {
          "name": "Multimodal Whole-Body Physiologic Monitoring",
          "type": "OTHER"
        },
        {
          "name": "Research-Only Whole-Body Digital Twin Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Truway Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 450,
      "start_date": "2026-08-31",
      "completion_date": "2041-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-15T07:17:10.328Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07805044"
    },
    {
      "nct_id": "NCT04836364",
      "title": "Skincare Products and Environmental Health",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gynecomastia",
        "Endocrine System Diseases"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nutraceuticals Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "2 Years to 15 Years"
      },
      "enrollment_count": 2000,
      "start_date": "2019-01-14",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-09-15T07:17:10.328Z",
      "location_count": 1,
      "location_summary": "Franklin, Tennessee",
      "locations": [
        {
          "city": "Franklin",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04836364"
    },
    {
      "nct_id": "NCT04537676",
      "title": "Patient Empowerment Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetic Foot",
        "Quality of Life",
        "Mental Health Wellness 1",
        "Ulcer Foot",
        "Diabetes Complications"
      ],
      "interventions": [
        {
          "name": "No intervention, this is an observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Podimetrics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2020-09-15",
      "completion_date": "2022-03-01",
      "has_results": false,
      "last_update_posted_date": "2020-09-03",
      "last_synced_at": "2026-09-15T07:17:10.328Z",
      "location_count": 1,
      "location_summary": "Somerville, Massachusetts",
      "locations": [
        {
          "city": "Somerville",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04537676"
    },
    {
      "nct_id": "NCT02302989",
      "title": "Prophylactic Ranibizumab for Exudative Age-Related Macular Degeneration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Age-related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Ranibizumab 0.5mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Leonard Feiner, MD, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2015-05",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2018-08-28",
      "last_synced_at": "2026-09-15T07:17:10.328Z",
      "location_count": 2,
      "location_summary": "Teaneck, New Jersey • Vauxhall, New Jersey",
      "locations": [
        {
          "city": "Teaneck",
          "state": "New Jersey"
        },
        {
          "city": "Vauxhall",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02302989"
    },
    {
      "nct_id": "NCT04564378",
      "title": "Association Between Fuchs' Endothelial Corneal Dystrophy Severity and Estrogen Exposure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fuchs Dystrophy"
      ],
      "interventions": [
        {
          "name": "This is an observational study. There is no therapeutic intervention.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2018-01-17",
      "completion_date": "2023-09-01",
      "has_results": false,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-09-15T07:17:10.328Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04564378"
    },
    {
      "nct_id": "NCT06775106",
      "title": "Exhaled Breath: A Novel Technique for Rapid Diagnosis of Respiratory Diseases and Infections",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease",
        "Critical Illness"
      ],
      "interventions": [
        {
          "name": "There is no intervention in this observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 100,
      "start_date": "2024-11-30",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-14",
      "last_synced_at": "2026-09-15T07:17:10.328Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06775106"
    },
    {
      "nct_id": "NCT00716404",
      "title": "Post-Market Observational Study of Intra-Renal Drug Delivery",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Targeted Renal Therapy"
      ],
      "interventions": [
        {
          "name": "Targeted Renal Therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "FlowMedica, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2008-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2010-02-05",
      "last_synced_at": "2026-09-15T07:17:10.328Z",
      "location_count": 4,
      "location_summary": "La Jolla, California • Owensboro, Kentucky • Lafayette, Louisiana + 1 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Owensboro",
          "state": "Kentucky"
        },
        {
          "city": "Lafayette",
          "state": "Louisiana"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00716404"
    },
    {
      "nct_id": "NCT04152551",
      "title": "Effects of Bisphosphonates on OI-Related Hearing Loss",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteogenesis Imperfecta"
      ],
      "interventions": [
        {
          "name": "Risedronate Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "6 Years to 100 Years"
      },
      "enrollment_count": 100,
      "start_date": "2019-11-02",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-09-15T07:17:10.328Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04152551"
    },
    {
      "nct_id": "NCT04055129",
      "title": "Hormone Induced Effects on Ligament Laxity and Lower Extremity Motor Control",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hormone Influence on Ligament Laxity and Motor Control"
      ],
      "interventions": [
        {
          "name": "No interventions",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of St. Augustine for Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 52,
      "start_date": "2021-11-17",
      "completion_date": "2023-08-01",
      "has_results": false,
      "last_update_posted_date": "2023-11-28",
      "last_synced_at": "2026-09-15T07:17:10.328Z",
      "location_count": 1,
      "location_summary": "San Marcos, California",
      "locations": [
        {
          "city": "San Marcos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04055129"
    }
  ]
}