{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=17",
    "query": {
      "intervention": "Observational only",
      "page": 17
    },
    "page_size": 10
  },
  "pagination": {
    "page": 17,
    "page_size": 10,
    "total_count": 825,
    "total_pages": 83,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=18&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=16&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T00:37:08.385Z",
  "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": "NCT05701358",
      "title": "Physiology-guided vs Angiography-guided Non-culprit Lesion Complete Revascularization for Acute MI & Multivessel Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Myocardial Infarction",
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Physiology-guided NCL PCI",
          "type": "PROCEDURE"
        },
        {
          "name": "Angiography-guided NCL PCI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Population Health Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5100,
      "start_date": "2023-06-22",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-22T00:37:08.385Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • San Francisco, California • Wichita, Kansas + 10 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05701358"
    },
    {
      "nct_id": "NCT06574152",
      "title": "Effect of Photobiomodulation on Pain and Healing of the Vertical Releasing Incision After Endodontic Microsurgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Apical Periodontitis",
        "Endodontically Treated Teeth",
        "Endodontic Disease",
        "Apical Cyst",
        "Apical Granuloma",
        "Periradicular Disease",
        "Previous Endodontic Treatment"
      ],
      "interventions": [
        {
          "name": "PBM treatment",
          "type": "DEVICE"
        },
        {
          "name": "PBM sham treatment",
          "type": "DEVICE"
        },
        {
          "name": "EMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2024-08-20",
      "completion_date": "2028-05-04",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-22T00:37:08.385Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06574152"
    },
    {
      "nct_id": "NCT00086528",
      "title": "Safety and Pharmacokinetics of XL647 Administered Orally to Subjects With Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "XL647",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kadmon Corporation, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2004-06",
      "completion_date": "2007-11",
      "has_results": false,
      "last_update_posted_date": "2022-05-13",
      "last_synced_at": "2026-10-22T00:37:08.385Z",
      "location_count": 2,
      "location_summary": "Stanford, California • Rochester, Minnesota",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00086528"
    },
    {
      "nct_id": "NCT00698139",
      "title": "Cardiovascular and Neurohormonal Effects of Faster Atrial Pacing Rate",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Medtronic Pacemaker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 3,
      "start_date": "2011-04",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2018-04-27",
      "last_synced_at": "2026-10-22T00:37:08.385Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00698139"
    },
    {
      "nct_id": "NCT02651545",
      "title": "Effects of Teriflunomide (Aubagio) on Cognitive and Vocational Outcomes in Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "State University of New York at Buffalo",
      "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": 60,
      "start_date": "2014-02",
      "completion_date": "2020-11-30",
      "has_results": true,
      "last_update_posted_date": "2021-09-24",
      "last_synced_at": "2026-10-22T00:37:08.385Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02651545"
    },
    {
      "nct_id": "NCT06181994",
      "title": "Middle Meningeal Artery Embolization (MMAE) Outcomes for Chronic Subdural Hematoma (cSDH)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Subdural Hematoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2023-12-05",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-22T00:37:08.385Z",
      "location_count": 18,
      "location_summary": "Coral Gables, Florida • Jacksonville, Florida • Miami, Florida + 13 more",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06181994"
    },
    {
      "nct_id": "NCT05489822",
      "title": "PMCF Study to Evaluate the VERTICALE® Cervical System in Spine Surgery According to Its Intended Use.",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Degenerative Disc Disease (DDD)",
        "Instabilities",
        "Trauma",
        "Deformity"
      ],
      "interventions": [
        {
          "name": "VERTICALE® Cervical System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Silony Medical GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2023-01-13",
      "completion_date": "2024-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-10-22T00:37:08.385Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05489822"
    },
    {
      "nct_id": "NCT05634967",
      "title": "Kesimpta (Ofatumumab) Pregnancy Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Kesimpta",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 725,
      "start_date": "2023-01-05",
      "completion_date": "2033-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-01-14",
      "last_synced_at": "2026-10-22T00:37:08.385Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05634967"
    },
    {
      "nct_id": "NCT04055051",
      "title": "ATHN 11: Liver Transplantation Outcomes Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A and B",
        "Liver Transplantation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 86,
      "start_date": "2020-06-18",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-05-10",
      "last_synced_at": "2026-10-22T00:37:08.385Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • San Francisco, California • Peoria, Illinois + 12 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Scarborough",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04055051"
    },
    {
      "nct_id": "NCT03231202",
      "title": "Splenic Injury Embolization - the Question About NOM (SInE Qua NOM)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Wounds and Injuries"
      ],
      "interventions": [
        {
          "name": "Embolization",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Oslo University Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "16 Years to 80 Years"
      },
      "enrollment_count": 224,
      "start_date": "2017-07-01",
      "completion_date": "2019-08-01",
      "has_results": false,
      "last_update_posted_date": "2017-07-27",
      "last_synced_at": "2026-10-22T00:37:08.385Z",
      "location_count": 3,
      "location_summary": "Denver, Colorado • Pittsburgh, Pennsylvania • Seattle, Washington",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03231202"
    }
  ]
}