{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention.+This+is+an+observational+study.&page=3",
    "query": {
      "intervention": "No intervention. This is an observational study.",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 189,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention.+This+is+an+observational+study.&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention.+This+is+an+observational+study.&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T23:32:48.513Z",
  "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": "NCT04045184",
      "title": "Food Assistance, Diabetes, and HIV",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes",
        "HIV/AIDS",
        "FOOD SECURITY"
      ],
      "interventions": [
        {
          "name": "Food assistance",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2018-10-20",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-02-10",
      "last_synced_at": "2026-10-08T23:32:48.513Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04045184"
    },
    {
      "nct_id": "NCT05769439",
      "title": "Hydroxymethylation, Incident Type 2 Diabetes and Incident Obesity",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Incident Type 2 Diabetes",
        "Incident Obesity"
      ],
      "interventions": [
        {
          "name": "No intervention in an observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Des Moines University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "40 Years to 60 Years · Male only"
      },
      "enrollment_count": 126,
      "start_date": "2021-03-01",
      "completion_date": "2024-02-28",
      "has_results": false,
      "last_update_posted_date": "2023-03-15",
      "last_synced_at": "2026-10-08T23:32:48.513Z",
      "location_count": 1,
      "location_summary": "Des Moines, Iowa",
      "locations": [
        {
          "city": "Des Moines",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05769439"
    },
    {
      "nct_id": "NCT02697487",
      "title": "UTSW Depression Cohort: A Longitudinal Study of Depression",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Depression",
        "Other Diagnoses, Comorbidities, and Complications"
      ],
      "interventions": [
        {
          "name": "No treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "10 Years to 89 Years"
      },
      "enrollment_count": 447,
      "start_date": "2016-02",
      "completion_date": "2018-03-22",
      "has_results": false,
      "last_update_posted_date": "2023-11-07",
      "last_synced_at": "2026-10-08T23:32:48.513Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02697487"
    },
    {
      "nct_id": "NCT07069400",
      "title": "An International Observational Study of Adults With Acute Infection",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infectious Disease"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "2025-08-25",
      "completion_date": "2027-06-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-10-08T23:32:48.513Z",
      "location_count": 20,
      "location_summary": "Tucson, Arizona • Palo Alto, California • San Francisco, California + 16 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07069400"
    },
    {
      "nct_id": "NCT03063398",
      "title": "Post Acute Pancreatitis Pancreatic Exocrine Insufficiency",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Pancreatitis"
      ],
      "interventions": [
        {
          "name": "No intervention, this is an observational study",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Ohio 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": 196,
      "start_date": "2017-06-21",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-07-16",
      "last_synced_at": "2026-10-08T23:32:48.513Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • Columbus, Ohio • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03063398"
    },
    {
      "nct_id": "NCT04577144",
      "title": "An Observational Study of Environmental and Socioeconomic Factors in Opioid Recovery - Long Term",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Online survey only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indivior Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2020-09-20",
      "completion_date": "2021-01-11",
      "has_results": false,
      "last_update_posted_date": "2022-10-07",
      "last_synced_at": "2026-10-08T23:32:48.513Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04577144"
    },
    {
      "nct_id": "NCT04251208",
      "title": "MOms in REcovery (MORE) Study: Defining Optimal Care",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid-Related Disorders",
        "NAS",
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "Observational Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Trustees of Dartmouth College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 50 Years · Female only"
      },
      "enrollment_count": 444,
      "start_date": "2019-07-30",
      "completion_date": "2024-01-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-10-08T23:32:48.513Z",
      "location_count": 10,
      "location_summary": "Augusta, Maine • Bangor, Maine • Keene, New Hampshire + 6 more",
      "locations": [
        {
          "city": "Augusta",
          "state": "Maine"
        },
        {
          "city": "Bangor",
          "state": "Maine"
        },
        {
          "city": "Keene",
          "state": "New Hampshire"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04251208"
    },
    {
      "nct_id": "NCT04937868",
      "title": "Developing a Decision Instrument to Guide Abdominal-pelvic CT Imaging of Blunt Trauma Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Abdominal Injury",
        "Pelvic Fracture",
        "Genital Hemorrhage",
        "Lumbar Spine Injury",
        "Hip Injuries",
        "Liver Injury",
        "Spleen Injury",
        "Renal Injury",
        "Diaphragm Injury",
        "Aortic Rupture",
        "Aortic Dissection",
        "Bowel Disease",
        "Vascular System Injuries",
        "Sacral Fracture"
      ],
      "interventions": [
        {
          "name": "There are no interventions associated with this study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 12000,
      "start_date": "2018-01-15",
      "completion_date": "2027-06-15",
      "has_results": false,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-10-08T23:32:48.513Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04937868"
    },
    {
      "nct_id": "NCT05803200",
      "title": "A Study to Describe Mothers' and Babies' Outcomes After Exposure to HyQvia During Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Exposure During Pregnancy"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 44 Years · Female only"
      },
      "enrollment_count": 7,
      "start_date": "2023-03-15",
      "completion_date": "2023-04-14",
      "has_results": false,
      "last_update_posted_date": "2023-09-25",
      "last_synced_at": "2026-10-08T23:32:48.513Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05803200"
    },
    {
      "nct_id": "NCT04788004",
      "title": "Long-term Recovery: Longitudinal Study of Neuro-behavioral Markers of Recovery and Precipitants of Relapse",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Online survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Polytechnic Institute and 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": 733,
      "start_date": "2022-09-08",
      "completion_date": "2026-07-14",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-08T23:32:48.513Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04788004"
    }
  ]
}