{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Intervention+N%2FA.+Observational+study",
    "query": {
      "intervention": "Intervention N/A. Observational study"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 46,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Intervention+N%2FA.+Observational+study&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T08:38:51.066Z",
  "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": "NCT07462234",
      "title": "Continuous N-of-1 Computational Feasibility Study of a Whole Genome Sequence",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Computational Modeling of Individual Metabolic Pathways"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Bioactify LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 1,
      "start_date": "2026-03-05",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-09T08:38:51.066Z",
      "location_count": 1,
      "location_summary": "Wappingers Falls, New York",
      "locations": [
        {
          "city": "Wappingers Falls",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07462234"
    },
    {
      "nct_id": "NCT03975413",
      "title": "Fecal Microbiota Transplantation (FMT) in Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "Fecal Microbiota Transplantation (FMT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2018-09-25",
      "completion_date": "2020-05-01",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-09-09T08:38:51.066Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03975413"
    },
    {
      "nct_id": "NCT06208943",
      "title": "Neural and Cognitive Consequences of COVID-19 Survival",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID Long-Haul",
        "COVID-19",
        "COVID-19 Pandemic",
        "Brain Fog",
        "Memory Deficits",
        "Concentration Ability Impaired",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "cross-sectional MRI and EEG assessments (NO INTERVENTION)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "San Francisco Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 150,
      "start_date": "2021-10-01",
      "completion_date": "2025-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-04-12",
      "last_synced_at": "2026-09-09T08:38:51.066Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06208943"
    },
    {
      "nct_id": "NCT05634967",
      "title": "Kesimpta (Ofatumumab) Pregnancy Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Kesimpta",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 725,
      "start_date": "2023-01-05",
      "completion_date": "2033-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-01-14",
      "last_synced_at": "2026-09-09T08:38:51.066Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05634967"
    },
    {
      "nct_id": "NCT05791695",
      "title": "A Study of the Incidence of Intraocular Inflammation and Suspected Endophthalmitis Among Patients Treated With Aflibercept, Vial and Pre-filled Syringe, 2014-2022",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Intraocular Inflammation",
        "Suspected Endophthalmitis"
      ],
      "interventions": [
        {
          "name": "Non Applicable",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 155413,
      "start_date": "2022-09-16",
      "completion_date": "2023-09-15",
      "has_results": false,
      "last_update_posted_date": "2023-12-01",
      "last_synced_at": "2026-09-09T08:38:51.066Z",
      "location_count": 1,
      "location_summary": "Tarrytown, New York",
      "locations": [
        {
          "city": "Tarrytown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05791695"
    },
    {
      "nct_id": "NCT05295277",
      "title": "Validation of Optical Genome Mapping for the Identification of Constitutional Genomic Variants in a Postnatal Cohort",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Developmental Disability",
        "Intellectual Disability",
        "Autism Spectrum Disorder",
        "Congenital Anomaly",
        "Fragile X Syndrome",
        "Facioscapulohumeral Muscular Dystrophy 1"
      ],
      "interventions": [
        {
          "name": "Standard of care genetic testing group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Bionano Genomics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2020-11-30",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-08-07",
      "last_synced_at": "2026-09-09T08:38:51.066Z",
      "location_count": 8,
      "location_summary": "Atlanta, Georgia • Augusta, Georgia • Iowa City, Iowa + 5 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "West Henrietta",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05295277"
    },
    {
      "nct_id": "NCT07564869",
      "title": "Skin Hydration and Facial Aging in Women Aged 30-60: An Observational Correlational Study Using Bioimpedance Analysis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Skin Aging",
        "Skin Hydration",
        "Facial Aging",
        "Transepidermal Water Loss"
      ],
      "interventions": [
        {
          "name": "BT-Analyze Bioimpedance Measurement",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "IAS Skin Care",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 60 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2026-05-01",
      "completion_date": "2026-05-24",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-09-09T08:38:51.066Z",
      "location_count": 1,
      "location_summary": "Winter Garden, Florida",
      "locations": [
        {
          "city": "Winter Garden",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07564869"
    },
    {
      "nct_id": "NCT02684422",
      "title": "Initial and Chronic Methicillin Resistant Staphylococcus Aureus (MRSA) Infection in Cystic Fibrosis (CF)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Methicillin-Resistant Staphylococcus Aureus",
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Intervention N/A. Observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "4 Years to 99 Years"
      },
      "enrollment_count": 48,
      "start_date": "2015-07",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2022-01-20",
      "last_synced_at": "2026-09-09T08:38:51.066Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Chapel Hill, North Carolina • Seattle, Washington",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02684422"
    },
    {
      "nct_id": "NCT07603778",
      "title": "Voice Technology to Identify Opioid Use",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Not applicable- observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tenvos Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2024-12-10",
      "completion_date": "2026-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-09T08:38:51.066Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07603778"
    },
    {
      "nct_id": "NCT06015581",
      "title": "Scaling Up Implementation Strategies to Improve the DIAGNOSE and PREVENT Pillars for Young MSM in Florida",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hiv"
      ],
      "interventions": [
        {
          "name": "Workforce Development (WD) strategies",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quality Management (QM) and Mystery Shopper (MS) Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 81,
      "start_date": "2027-05-01",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-09-09T08:38:51.066Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06015581"
    }
  ]
}