{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=None--observational&page=2",
    "query": {
      "intervention": "None--observational",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=None--observational&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T08:15:51.806Z",
  "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": "NCT06907225",
      "title": "Physiological Responses to Heat Stress During High-risk Events",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thermoregulation"
      ],
      "interventions": [
        {
          "name": "None-placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2025-05-31",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-22T08:15:51.806Z",
      "location_count": 2,
      "location_summary": "Fort Novosel, Alabama • Fort Jackson, South Carolina",
      "locations": [
        {
          "city": "Fort Novosel",
          "state": "Alabama"
        },
        {
          "city": "Fort Jackson",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06907225"
    },
    {
      "nct_id": "NCT02745158",
      "title": "The Fibrodysplasia Ossificans Progressiva (FOP) Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fibrodysplasia Ossificans Progressiva (FOP)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The International FOP Association",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 800,
      "start_date": "2015-07",
      "completion_date": "2040-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-09-22T08:15:51.806Z",
      "location_count": 1,
      "location_summary": "North Kansas City, Missouri",
      "locations": [
        {
          "city": "North Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02745158"
    },
    {
      "nct_id": "NCT01553097",
      "title": "Examining a Common Complaint of Women Who Receive Chemotherapy for Breast Cancer- Cognitive Difficulty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Neurocognitive Impairment",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Neurocognitive impairment observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 51,
      "start_date": "2012-03",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-12-16",
      "last_synced_at": "2026-09-22T08:15:51.806Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01553097"
    },
    {
      "nct_id": "NCT06655064",
      "title": "Registry to Evaluate Long-Term Outcomes in Patients Who Undergo 68-Ga-PSMA-11 PET/CT Imaging Evaluations",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer (Adenocarcinoma)"
      ],
      "interventions": [
        {
          "name": "None- Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Telix Pharmaceuticals (Innovations) Pty Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "21 Years and older · Male only"
      },
      "enrollment_count": 120,
      "start_date": "2025-01-30",
      "completion_date": "2025-06-17",
      "has_results": false,
      "last_update_posted_date": "2025-07-14",
      "last_synced_at": "2026-09-22T08:15:51.806Z",
      "location_count": 9,
      "location_summary": "Fresno, California • Grand Junction, Colorado • Meridian, Idaho + 5 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Grand Junction",
          "state": "Colorado"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06655064"
    },
    {
      "nct_id": "NCT01831102",
      "title": "Adiponectin and Ethnic Differences in Insulin Resistance",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Insulin Resistance",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "none- observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 43,
      "start_date": "2011-03",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2013-04-15",
      "last_synced_at": "2026-09-22T08:15:51.806Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01831102"
    },
    {
      "nct_id": "NCT06422871",
      "title": "PReSeRVE-HD: Observational Study of the Merit HeRO® Graft and Super HeRO® in Patients on Hemodialysis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "End Stage Renal Disease",
        "Hemodialysis Access Failure"
      ],
      "interventions": [
        {
          "name": "HeRO® Graft System or Super HeRO® System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Merit Medical Systems, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-07-28",
      "completion_date": "2028-12-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-09-22T08:15:51.806Z",
      "location_count": 7,
      "location_summary": "Washington D.C., District of Columbia • Sarasota, Florida • Raleigh, North Carolina + 4 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06422871"
    },
    {
      "nct_id": "NCT03452787",
      "title": "Epigenomic and Metabolomic Signatures of APOA2 Gene by Saturated Fat Interaction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Body Mass Index"
      ],
      "interventions": [
        {
          "name": "None, cohort studies",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 602,
      "start_date": "2017-01-01",
      "completion_date": "2017-12-31",
      "has_results": false,
      "last_update_posted_date": "2018-03-02",
      "last_synced_at": "2026-09-22T08:15:51.806Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03452787"
    },
    {
      "nct_id": "NCT05190679",
      "title": "Prospective Phenotyping for Genetic Subtypes of Early-onset Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "None/Observational Studies",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 155,
      "start_date": "2022-04-27",
      "completion_date": "2026-03-03",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-22T08:15:51.806Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05190679"
    },
    {
      "nct_id": "NCT03023735",
      "title": "Trial of Strategies to Communicate Genetic Information to Different Ethnic Subpopulations",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Communication"
      ],
      "interventions": [
        {
          "name": "None. This is an observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 597,
      "start_date": "2016-08",
      "completion_date": "2024-03",
      "has_results": false,
      "last_update_posted_date": "2022-06-01",
      "last_synced_at": "2026-09-22T08:15:51.806Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03023735"
    },
    {
      "nct_id": "NCT02135419",
      "title": "Treatment in Preventing Anal Cancer in Patients With HIV and Anal High-Grade Lesions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anal Cancer",
        "High-grade Squamous Intraepithelial Lesion",
        "HIV Infection",
        "Human Papilloma Virus Infection"
      ],
      "interventions": [
        {
          "name": "imiquimod",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "infrared photocoagulation therapy",
          "type": "DEVICE"
        },
        {
          "name": "thermal ablation therapy",
          "type": "DEVICE"
        },
        {
          "name": "laser therapy",
          "type": "DEVICE"
        },
        {
          "name": "clinical observation",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 4446,
      "start_date": "2014-09-24",
      "completion_date": "2024-03-31",
      "has_results": true,
      "last_update_posted_date": "2024-07-26",
      "last_synced_at": "2026-09-22T08:15:51.806Z",
      "location_count": 24,
      "location_summary": "Los Angeles, California • Palm Springs, California • San Francisco, California + 13 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02135419"
    }
  ]
}