{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observation+only",
    "query": {
      "intervention": "observation only"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 868,
    "total_pages": 87,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observation+only&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T05:31:11.293Z",
  "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": "NCT01100892",
      "title": "Cystic Fibrosis - Insulin Deficiency, Early Action",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cystic Fibrosis",
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Once-daily insulin detemir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sydney Children's Hospitals Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "5 Years to 19 Years"
      },
      "enrollment_count": 100,
      "start_date": "2010-12",
      "completion_date": "2023-02",
      "has_results": false,
      "last_update_posted_date": "2023-05-31",
      "last_synced_at": "2026-09-10T05:31:11.293Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01100892"
    },
    {
      "nct_id": "NCT01156298",
      "title": "Controlled High Risk AVONEX® Multiple Sclerosis Prevention Study In Ongoing Neurological Surveillance",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 383,
      "start_date": "2010-06",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2012-08-03",
      "last_synced_at": "2026-09-10T05:31:11.293Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01156298"
    },
    {
      "nct_id": "NCT06293352",
      "title": "Real-component vs All-cement Articulating Spacers for Periprosthetic Knee Infection",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prosthetic-joint Infection",
        "Knee Infection",
        "Arthroplasty Complications",
        "Joint Infection",
        "Arthroplasty, Replacement, Knee"
      ],
      "interventions": [
        {
          "name": "All-cement articulating spacer",
          "type": "DEVICE"
        },
        {
          "name": "Durable, real-component articulating spacer",
          "type": "DEVICE"
        },
        {
          "name": "Rigid Spacer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 153,
      "start_date": "2024-08-08",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-09-10T05:31:11.293Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06293352"
    },
    {
      "nct_id": "NCT05671887",
      "title": "DREAM: Double Lung Transplant REgistry Aimed for Lung-limited Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Bilateral Cancer",
        "Lung Transplant"
      ],
      "interventions": [
        {
          "name": "Double Lung Transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 125,
      "start_date": "2022-11-16",
      "completion_date": "2032-11",
      "has_results": false,
      "last_update_posted_date": "2024-11-14",
      "last_synced_at": "2026-09-10T05:31:11.293Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05671887"
    },
    {
      "nct_id": "NCT05883436",
      "title": "Investigation of DEXA-C Anterior Cervical Interbody System",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Degenerative Disc Disease"
      ],
      "interventions": [
        {
          "name": "DEXA-C Cervical Interbody System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Aurora Spine and Pain",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 71,
      "start_date": "2023-02-22",
      "completion_date": "2027-02-22",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-09-10T05:31:11.293Z",
      "location_count": 4,
      "location_summary": "Orange, California • Paducah, Kentucky • Covington, Louisiana + 1 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Paducah",
          "state": "Kentucky"
        },
        {
          "city": "Covington",
          "state": "Louisiana"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05883436"
    },
    {
      "nct_id": "NCT06205511",
      "title": "The Prevalence of Oral HPV Infection and Oral Lesions in People Living With HIV",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Immunodeficiency Virus",
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Oral HPV Sample",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Vivent Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2023-04-01",
      "completion_date": "2024-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-10T05:31:11.293Z",
      "location_count": 3,
      "location_summary": "Denver, Colorado • St Louis, Missouri • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06205511"
    },
    {
      "nct_id": "NCT07316114",
      "title": "A Study to Describe the Real-world Effectiveness, Safety and Patterns of Use of Dupilumab in Patients With Chronic Spontaneous Urticaria",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Spontaneous Urticaria"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2026-03-18",
      "completion_date": "2026-06-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-10T05:31:11.293Z",
      "location_count": 1,
      "location_summary": "Wilmington, North Carolina",
      "locations": [
        {
          "city": "Wilmington",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07316114"
    },
    {
      "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": "2026-09-10T05:31:11.293Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04788004"
    },
    {
      "nct_id": "NCT03428295",
      "title": "Dose Safety Hybrid Closed Loop and Fully Automated Closed Loop Artificial Pancreas Device in CRC",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Glucose, Low Blood",
        "Glucose, High Blood"
      ],
      "interventions": [
        {
          "name": "Dose Safety AP system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Dose Safety Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-06-22",
      "completion_date": "2019-08-31",
      "has_results": false,
      "last_update_posted_date": "2019-02-12",
      "last_synced_at": "2026-09-10T05:31:11.293Z",
      "location_count": 1,
      "location_summary": "Redmond, Washington",
      "locations": [
        {
          "city": "Redmond",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03428295"
    },
    {
      "nct_id": "NCT07596030",
      "title": "Self-applied taVNS for CIPN",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chemotherapy Induced Peripheral Neuropathy"
      ],
      "interventions": [
        {
          "name": "Transcutaneous Auricular Vagus Nerve Stimulation (taVNS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Miami",
      "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": 36,
      "start_date": "2026-06-02",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-09-10T05:31:11.293Z",
      "location_count": 1,
      "location_summary": "Coral Gables, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07596030"
    }
  ]
}