{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=15",
    "query": {
      "intervention": "Observational only",
      "page": 15
    },
    "page_size": 10
  },
  "pagination": {
    "page": 15,
    "page_size": 10,
    "total_count": 825,
    "total_pages": 83,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=16&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=14&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T23:58:25.851Z",
  "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": "NCT01322945",
      "title": "Barrow Nasal Inventory Survey",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pituitary Tumors"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Joseph's Hospital and Medical Center, Phoenix",
      "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": 94,
      "start_date": "2010-10",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2013-12-10",
      "last_synced_at": "2026-10-21T23:58:25.851Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01322945"
    },
    {
      "nct_id": "NCT04968080",
      "title": "A Study to Validate Comparability of an Infrared Thermographic Camera Versus Oral, Forehead, and Ear Thermometers When Determining Body Temperature in Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Temperature Change, Body"
      ],
      "interventions": [
        {
          "name": "Infrared Cameras Inc. (ICI) FMX 400 Infrared (IR) Camera System",
          "type": "DEVICE"
        },
        {
          "name": "Welch Allyn SureTemp Plus 690",
          "type": "DEVICE"
        },
        {
          "name": "Welch Allyn ThermoScan PRO 6000",
          "type": "DEVICE"
        },
        {
          "name": "Infrared Cameras Inc. (ICI) HotSpot Infrared (IR) NonContact Infrared Thermometer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Infrared Cameras Incorporate",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 887,
      "start_date": "2021-05-03",
      "completion_date": "2021-08-17",
      "has_results": false,
      "last_update_posted_date": "2021-09-16",
      "last_synced_at": "2026-10-21T23:58:25.851Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04968080"
    },
    {
      "nct_id": "NCT03786822",
      "title": "Reduction of Radiation Dose and Contrast Use During Cryoballoon Pulmonary Vein Isolation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Cryoballoon Pulmonary Vein Isolation - PVI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 1,
      "start_date": "2015-06-01",
      "completion_date": "2016-12-20",
      "has_results": false,
      "last_update_posted_date": "2018-12-26",
      "last_synced_at": "2026-10-21T23:58:25.851Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03786822"
    },
    {
      "nct_id": "NCT01202669",
      "title": "Heart Rate Changes in Subjects With Epilepsy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epilepsy"
      ],
      "interventions": [
        {
          "name": "No intervention planned, observational study only.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cyberonics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 98,
      "start_date": "2010-08",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2014-08-07",
      "last_synced_at": "2026-10-21T23:58:25.851Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida • Chicago, Illinois",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01202669"
    },
    {
      "nct_id": "NCT03673020",
      "title": "Phase 1a Study to Evaluate Immunogenicity of ASV®",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Solid Tumor, Adult"
      ],
      "interventions": [
        {
          "name": "ASV® AGEN2017 + QS-21 Stimulon® adjuvant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Agenus Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2019-05-16",
      "completion_date": "2021-02-03",
      "has_results": false,
      "last_update_posted_date": "2021-12-02",
      "last_synced_at": "2026-10-21T23:58:25.851Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03673020"
    },
    {
      "nct_id": "NCT04452149",
      "title": "Algorithm Using LINQ Sensors for Evaluation And Treatment of Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure NYHA Class II",
        "Heart Failure NYHA Class III"
      ],
      "interventions": [
        {
          "name": "Reveal LINQ™ Insertable Cardiac Monitor with investigational ALLEVIATE-HF RAMware download",
          "type": "DEVICE"
        },
        {
          "name": "Medication intervention",
          "type": "OTHER"
        },
        {
          "name": "Not Randomized to Device or Medication Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 826,
      "start_date": "2020-09-03",
      "completion_date": "2025-06-02",
      "has_results": true,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-10-21T23:58:25.851Z",
      "location_count": 53,
      "location_summary": "Mesa, Arizona • Jonesboro, Arkansas • Mission Viejo, California + 47 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04452149"
    },
    {
      "nct_id": "NCT04289116",
      "title": "Enhancing Sexual Safety: Couples' Communication and HIV Testing Among YMSM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV/AIDS",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "We Test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "IHTC",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "24 Years",
        "sex": "MALE",
        "summary": "15 Years to 24 Years · Male only"
      },
      "enrollment_count": 71,
      "start_date": "2020-01-20",
      "completion_date": "2022-05-31",
      "has_results": true,
      "last_update_posted_date": "2025-11-03",
      "last_synced_at": "2026-10-21T23:58:25.851Z",
      "location_count": 2,
      "location_summary": "Detroit, Michigan • New York, New York",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04289116"
    },
    {
      "nct_id": "NCT06958328",
      "title": "Testing Higher Dose Radiation Therapy for Locally Advanced Pancreatic Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Locally Advanced Unresectable Pancreatic Ductal Adenocarcinoma",
        "Stage II Pancreatic Cancer AJCC v8",
        "Stage III Pancreatic Cancer AJCC v8",
        "Stage IV Pancreatic Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Dose-escalated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan Sucrosofate",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nab-paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Observation Activity",
          "type": "OTHER"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Tumor Treating Fields Therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 356,
      "start_date": "2025-08-21",
      "completion_date": "2030-10-21",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-21T23:58:25.851Z",
      "location_count": 332,
      "location_summary": "Gilbert, Arizona • Peoria, Arizona • Phoenix, Arizona + 252 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06958328"
    },
    {
      "nct_id": "NCT00004893",
      "title": "Interleukin-12 in Treating Patients With Metastatic or Recurrent Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "recombinant interleukin-12",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "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": "1999-12",
      "completion_date": "2002-02",
      "has_results": false,
      "last_update_posted_date": "2016-07-19",
      "last_synced_at": "2026-10-21T23:58:25.851Z",
      "location_count": 49,
      "location_summary": "Birmingham, Alabama • La Jolla, California • San Francisco, California + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004893"
    },
    {
      "nct_id": "NCT04402632",
      "title": "Embolization of the Middle Meningeal Artery With ONYX™ Liquid Embolic System for Subacute and Chronic Subdural Hematoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Subdural Hematoma"
      ],
      "interventions": [
        {
          "name": "Surgical Management",
          "type": "PROCEDURE"
        },
        {
          "name": "Onyx™ Liquid Embolic System (LES) Embolization",
          "type": "DEVICE"
        },
        {
          "name": "Observation Only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Medtronic Neurovascular Clinical Affairs",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 600,
      "start_date": "2020-10-27",
      "completion_date": "2025-04-03",
      "has_results": false,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-10-21T23:58:25.851Z",
      "location_count": 49,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Irvine, California + 44 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04402632"
    }
  ]
}