{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=46",
    "query": {
      "intervention": "observational study",
      "page": 46
    },
    "page_size": 10
  },
  "pagination": {
    "page": 46,
    "page_size": 10,
    "total_count": 4386,
    "total_pages": 439,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=47&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=45&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T10:56:30.261Z",
  "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": "NCT04029298",
      "title": "Home-based Prediabetes Care in Acoma Pueblo - Study 1",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes"
      ],
      "interventions": [
        {
          "name": "Lifestyle Interventions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-03-01",
      "completion_date": "2024-07-01",
      "has_results": false,
      "last_update_posted_date": "2024-07-03",
      "last_synced_at": "2026-10-21T10:56:30.261Z",
      "location_count": 1,
      "location_summary": "Acoma Pueblo, New Mexico",
      "locations": [
        {
          "city": "Acoma Pueblo",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04029298"
    },
    {
      "nct_id": "NCT00492193",
      "title": "Early Post-Op Recovery After Partial Large Bowel Resection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diverticulitis",
        "Colon Polyps",
        "Colorectal Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 139,
      "start_date": "2007-06",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2014-12-15",
      "last_synced_at": "2026-10-21T10:56:30.261Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00492193"
    },
    {
      "nct_id": "NCT02728934",
      "title": "Comparative and Pragmatic Study of Golimumab Intravenous (IV) (Simponi Aria) Versus Infliximab (Remicade) in Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthritis, Rheumatoid"
      ],
      "interventions": [
        {
          "name": "Golimumab Intravenous (IV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Infliximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biosimilar Infliximab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "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": 1279,
      "start_date": "2016-02-25",
      "completion_date": "2020-01-31",
      "has_results": false,
      "last_update_posted_date": "2020-04-15",
      "last_synced_at": "2026-10-21T10:56:30.261Z",
      "location_count": 85,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Glendale, Arizona + 82 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02728934"
    },
    {
      "nct_id": "NCT06218732",
      "title": "Revealing Engagement Dynamics Among Semantic Dementia Patients",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Semantic Dementia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Power Life Sciences Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2025-02",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2024-01-23",
      "last_synced_at": "2026-10-21T10:56:30.261Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06218732"
    },
    {
      "nct_id": "NCT06321536",
      "title": "Response to Emerging Antimicrobial Resistance With Containment Microbiota Therapy (REACT)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multi-Drug Resistant Organism Colonization"
      ],
      "interventions": [
        {
          "name": "Allogeneic Microbiota in Glycerol (9%) (AMG)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2025-01-13",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-05",
      "last_synced_at": "2026-10-21T10:56:30.261Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • Decatur, Georgia • Hinsdale, Illinois + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Hinsdale",
          "state": "Illinois"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06321536"
    },
    {
      "nct_id": "NCT04693364",
      "title": "Acceptability of 3D Printed Breast Models as Surgical Decision Aids for Breast Cancer Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Decision Aid",
          "type": "OTHER"
        },
        {
          "name": "Discussion",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2017-12-27",
      "completion_date": "2022-02-22",
      "has_results": false,
      "last_update_posted_date": "2022-03-08",
      "last_synced_at": "2026-10-21T10:56:30.261Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04693364"
    },
    {
      "nct_id": "NCT07071298",
      "title": "AERA Pediatrics Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dysfunction of Eustachian Tube"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Integra LifeSciences Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 300,
      "start_date": "2025-06-17",
      "completion_date": "2031-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-10-21T10:56:30.261Z",
      "location_count": 9,
      "location_summary": "Palo Alto, California • Boston, Massachusetts • West Bloomfield, Michigan + 6 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "West Bloomfield",
          "state": "Michigan"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07071298"
    },
    {
      "nct_id": "NCT01245101",
      "title": "Addition of Raltegravir to Established Antiretroviral Suppressive Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Raltegravir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 15,
      "start_date": "2010-11",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2016-12-23",
      "last_synced_at": "2026-10-21T10:56:30.261Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01245101"
    },
    {
      "nct_id": "NCT05036330",
      "title": "ProvoxLife Adoption Trends for Heat-Moisture Exchanger",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Malignant Head and Neck Neoplasm"
      ],
      "interventions": [
        {
          "name": "Clinical Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Physical Examination",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2021-05-21",
      "completion_date": "2027-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-21T10:56:30.261Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05036330"
    },
    {
      "nct_id": "NCT04552730",
      "title": "Nerve Growth Factor for the Treatment of Cornea Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neurotrophic Keratitis"
      ],
      "interventions": [
        {
          "name": "Cenegermin-Bkbj",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2020-10-14",
      "completion_date": "2021-05-04",
      "has_results": false,
      "last_update_posted_date": "2021-12-14",
      "last_synced_at": "2026-10-21T10:56:30.261Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04552730"
    }
  ]
}