{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=35",
    "query": {
      "intervention": "No intervention (observational study)",
      "page": 35
    },
    "page_size": 10
  },
  "pagination": {
    "page": 35,
    "page_size": 10,
    "total_count": 919,
    "total_pages": 92,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=36&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=34&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T01:02:51.207Z",
  "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": "NCT02756195",
      "title": "The Impact of Non-Routine Events on Neonatal Safety",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neonatology"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 395,
      "start_date": "2016-11",
      "completion_date": "2022-01-31",
      "has_results": false,
      "last_update_posted_date": "2022-04-26",
      "last_synced_at": "2026-10-24T01:02:51.207Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02756195"
    },
    {
      "nct_id": "NCT01873131",
      "title": "A Clinical Trial of Pulsed-dye Laser Versus Timolol Topical Solution Versus Observation on the Growth of Hemangioma in Newborn",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemangioma"
      ],
      "interventions": [
        {
          "name": "topical timolol maleate",
          "type": "DRUG"
        },
        {
          "name": "Pulsed dye laser",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "3 Months",
        "sex": "ALL",
        "summary": "Up to 3 Months"
      },
      "enrollment_count": 126,
      "start_date": "2011-02",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2023-11-02",
      "last_synced_at": "2026-10-24T01:02:51.207Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01873131"
    },
    {
      "nct_id": "NCT04575090",
      "title": "7 Tesla MRI Study in Patients With Statin Related Muscle Complaints",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Statin-related Muscle Pain",
        "Muscle Aches",
        "Muscle Weakness",
        "Muscle Cramp",
        "Muscle Stiffness"
      ],
      "interventions": [
        {
          "name": "Simvastatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 8,
      "start_date": "2016-03-05",
      "completion_date": "2021-06-23",
      "has_results": true,
      "last_update_posted_date": "2022-10-31",
      "last_synced_at": "2026-10-24T01:02:51.207Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04575090"
    },
    {
      "nct_id": "NCT07660640",
      "title": "Long-Term Follow Up of VOY-101 Non-nAMD Extension Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Age-Related Macular Degeneration (AMD)",
        "Non-Neovascular Age-Related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "observational study",
          "type": "OTHER"
        },
        {
          "name": "VOY-101",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Perceive Biotherapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2026-03-03",
      "completion_date": "2031-08-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-24T01:02:51.207Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Bellaire, Texas • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Bellaire",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07660640"
    },
    {
      "nct_id": "NCT03121391",
      "title": "An Algorithmic Approach to Ventilator Withdrawal at the End of Life",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Care",
        "Palliative Care"
      ],
      "interventions": [
        {
          "name": "Ventilator withdrawal algorithm",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Wayne State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 165,
      "start_date": "2017-04-20",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2022-11-29",
      "last_synced_at": "2026-10-24T01:02:51.207Z",
      "location_count": 5,
      "location_summary": "Detroit, Michigan • Royal Oak, Michigan • Southfield, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "Southfield",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03121391"
    },
    {
      "nct_id": "NCT00689013",
      "title": "The Effect of Pharmacist Intervention on the Use of Zostavax in a Community Pharmacy Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Personalized letter",
          "type": "OTHER"
        },
        {
          "name": "Flyer advertisement",
          "type": "OTHER"
        },
        {
          "name": "Newspaper press release",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 205,
      "start_date": "2008-02",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2009-04-23",
      "last_synced_at": "2026-10-24T01:02:51.207Z",
      "location_count": 3,
      "location_summary": "Johnson City, Tennessee • Manchester, Tennessee • Murfreesboro, Tennessee",
      "locations": [
        {
          "city": "Johnson City",
          "state": "Tennessee"
        },
        {
          "city": "Manchester",
          "state": "Tennessee"
        },
        {
          "city": "Murfreesboro",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00689013"
    },
    {
      "nct_id": "NCT02578017",
      "title": "ElectroNic Hydroxyurea AdhereNCE: A Strategy to Improve Hydroxyurea Adherence in Patients With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Mobile DOT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "Up to 19 Years"
      },
      "enrollment_count": 71,
      "start_date": "2014-07",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2019-07-10",
      "last_synced_at": "2026-10-24T01:02:51.207Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02578017"
    },
    {
      "nct_id": "NCT05497518",
      "title": "The KidneyCARE (Community Access to Research Equity) Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Disease",
        "Dialysis",
        "Kidney Transplant"
      ],
      "interventions": [
        {
          "name": "Observational study - registry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tufts Medical Center",
      "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": 50000,
      "start_date": "2021-02-25",
      "completion_date": "2070-02-24",
      "has_results": false,
      "last_update_posted_date": "2025-05-13",
      "last_synced_at": "2026-10-24T01:02:51.207Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05497518"
    },
    {
      "nct_id": "NCT05893459",
      "title": "Beneficial or Fostering Future Struggles (B.F.F.s)? Characterizing the Role of Friends in the Development of 13- to 17-Year-Old Adolescents",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Child Maltreatment",
        "Interpersonal Relations",
        "Victimisation",
        "Psychopathology",
        "Electrocardiography"
      ],
      "interventions": [
        {
          "name": "Debrief",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 120,
      "start_date": "2023-12-02",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-07-16",
      "last_synced_at": "2026-10-24T01:02:51.207Z",
      "location_count": 1,
      "location_summary": "Columbia, South Carolina",
      "locations": [
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05893459"
    },
    {
      "nct_id": "NCT02668809",
      "title": "Oral Hygiene Intervention Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Caries",
        "Gingivitis"
      ],
      "interventions": [
        {
          "name": "oral health assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Clinical Exam",
          "type": "OTHER"
        },
        {
          "name": "Microbiological sampling",
          "type": "OTHER"
        },
        {
          "name": "Monitoring Adherence",
          "type": "OTHER"
        },
        {
          "name": "Varnish application",
          "type": "OTHER"
        },
        {
          "name": "Consent",
          "type": "OTHER"
        },
        {
          "name": "Educational Program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Leonardo Marchini",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "21 Years to 120 Years"
      },
      "enrollment_count": 81,
      "start_date": "2014-06",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2018-08-28",
      "last_synced_at": "2026-10-24T01:02:51.207Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02668809"
    }
  ]
}