{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%3A+observation+only&page=5",
    "query": {
      "intervention": "No intervention: observation only",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 154,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%3A+observation+only&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%3A+observation+only&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T11:53:19.496Z",
  "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": "NCT05889806",
      "title": "AUD Biomarkers Study (Proteomic and Genomic Analysis of Biospecimens)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oncology",
        "Hematologic Malignancy",
        "Gastro-Intestinal Disorder",
        "Autoimmune Diseases",
        "Pregnancy Related",
        "Infectious Disease",
        "Cardiovascular Diseases",
        "Genitourinary Disease",
        "Renal Disease"
      ],
      "interventions": [
        {
          "name": "Observational Study Only. NO Intervention.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Audubon Bioscience",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2023-05-10",
      "completion_date": "2043-06-10",
      "has_results": false,
      "last_update_posted_date": "2023-06-05",
      "last_synced_at": "2026-10-12T11:53:19.496Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05889806"
    },
    {
      "nct_id": "NCT04452149",
      "title": "Algorithm Using LINQ Sensors for Evaluation And Treatment of Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure NYHA Class II",
        "Heart Failure NYHA Class III"
      ],
      "interventions": [
        {
          "name": "Reveal LINQ™ Insertable Cardiac Monitor with investigational ALLEVIATE-HF RAMware download",
          "type": "DEVICE"
        },
        {
          "name": "Medication intervention",
          "type": "OTHER"
        },
        {
          "name": "Not Randomized to Device or Medication Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 826,
      "start_date": "2020-09-03",
      "completion_date": "2025-06-02",
      "has_results": true,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-10-12T11:53:19.496Z",
      "location_count": 53,
      "location_summary": "Mesa, Arizona • Jonesboro, Arkansas • Mission Viejo, California + 47 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04452149"
    },
    {
      "nct_id": "NCT03305484",
      "title": "Soft Contacts Observation of Risk and Education (SCORE)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Contact Lens Complication",
        "Contact Lens Acute Red Eye",
        "Contact Lens Related Corneal Infiltrate (Disorder)",
        "Contact Lens-Induced Corneal Fluorescein Staining"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Southern California College of Optometry at Marshall B. Ketchum University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 171,
      "start_date": "2017-12-30",
      "completion_date": "2019-04-16",
      "has_results": false,
      "last_update_posted_date": "2019-09-18",
      "last_synced_at": "2026-10-12T11:53:19.496Z",
      "location_count": 4,
      "location_summary": "Fullerton, California • Fort Lauderdale, Florida • Columbus, Ohio + 1 more",
      "locations": [
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03305484"
    },
    {
      "nct_id": "NCT06040697",
      "title": "Formative Usability Assessment of Wireless Thermal Anisotropy Devices",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hydrocephalus"
      ],
      "interventions": [
        {
          "name": "Thermal Anisotropy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Rhaeos, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "5 Years to 80 Years"
      },
      "enrollment_count": 145,
      "start_date": "2023-09-29",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-10-12T11:53:19.496Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06040697"
    },
    {
      "nct_id": "NCT04981275",
      "title": "A Multi-omic Approach to Evaluate and Characterize the Polycystic Ovary Syndrome (PCOS) Phenotype",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Polycystic Ovary Syndrome"
      ],
      "interventions": [
        {
          "name": "No intervention study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Onegevity Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 81,
      "start_date": "2021-06-19",
      "completion_date": "2023-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-11-01",
      "last_synced_at": "2026-10-12T11:53:19.496Z",
      "location_count": 1,
      "location_summary": "College Park, Maryland",
      "locations": [
        {
          "city": "College Park",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04981275"
    },
    {
      "nct_id": "NCT00072280",
      "title": "Surgery and/or Chemotherapy in Treating Children With Infantile, Congenital, or Childhood Fibrosarcoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "dactinomycin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "Conventional Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "MESNA (mercaptoethane sulfonate)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "2 Years",
        "sex": "ALL",
        "summary": "Up to 2 Years"
      },
      "enrollment_count": 7,
      "start_date": "2004-11",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2014-09-30",
      "last_synced_at": "2026-10-12T11:53:19.496Z",
      "location_count": 64,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Downey, California + 57 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00072280"
    },
    {
      "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": "2026-10-12T11:53:19.496Z",
      "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": "NCT03272529",
      "title": "Simulated Rehearsal for Percutaneous Nephrolithotomy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nephrolithotomy"
      ],
      "interventions": [
        {
          "name": "Patient-specific simulated rehearsals",
          "type": "OTHER"
        },
        {
          "name": "Idealized simulated rehearsals",
          "type": "OTHER"
        },
        {
          "name": "Standard simulation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2018-04-10",
      "completion_date": "2023-01-31",
      "has_results": false,
      "last_update_posted_date": "2023-02-10",
      "last_synced_at": "2026-10-12T11:53:19.496Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03272529"
    },
    {
      "nct_id": "NCT04254575",
      "title": "Understanding Daily Changes in BDD Risk Using Smartphones",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Body Dysmorphic Disorders"
      ],
      "interventions": [
        {
          "name": "None, observational study only (no interventions)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 87,
      "start_date": "2020-07-15",
      "completion_date": "2023-04-28",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-10-12T11:53:19.496Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04254575"
    },
    {
      "nct_id": "NCT06441955",
      "title": "Covid-19 Long Haul Preventative and Health Promotion Care Clinical Trial Acceleration Program.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "COVID-19, Long Haul"
      ],
      "interventions": [
        {
          "name": "Ritonavir-Boosted Nirmatrelvir (Paxlovid)",
          "type": "DRUG"
        },
        {
          "name": "Physiological Evaluation",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Moderna COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biopsychological",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral (e.g., Psychotherapy, Lifestyle Counseling)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Genetic (including gene transfer, stem cell and recombinant DNA)",
          "type": "GENETIC"
        },
        {
          "name": "Multidisciplinary approach",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "BIOLOGICAL",
        "BEHAVIORAL",
        "GENETIC",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Well- Konnect Healthcare Services and Research Firm",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 100,
      "start_date": "2024-03-01",
      "completion_date": "2030-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-11-27",
      "last_synced_at": "2026-10-12T11:53:19.496Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06441955"
    }
  ]
}