{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=27",
    "query": {
      "intervention": "Observation only",
      "page": 27
    },
    "page_size": 10
  },
  "pagination": {
    "page": 27,
    "page_size": 10,
    "total_count": 878,
    "total_pages": 88,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=28&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=26&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-01T01:44:39.940Z",
  "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": "NCT01286194",
      "title": "A Study to Investigate Use Patterns and Safety in Simulated Actual Over-the-counter (OTC) Use of Rabeprazole Sodium for the Treatment of Heartburn Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Frequent Heartburn"
      ],
      "interventions": [
        {
          "name": "Rabeprazole sodium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "2006-04",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2011-01-31",
      "last_synced_at": "2026-11-01T01:44:39.940Z",
      "location_count": 33,
      "location_summary": "Scottsdale, Arizona • Griffin, Georgia • Lawrenceville, Georgia + 29 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Griffin",
          "state": "Georgia"
        },
        {
          "city": "Lawrenceville",
          "state": "Georgia"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Kansas Ciry",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01286194"
    },
    {
      "nct_id": "NCT05440851",
      "title": "Platform of Randomized Adaptive Clinical Trials in Critical Illness",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Insufficiency",
        "Extracorporeal Membrane Oxygenation Complication",
        "Mechanical Ventilation Pressure High"
      ],
      "interventions": [
        {
          "name": "Ultra-Protective Ventilation Facilitated by Extracorporeal Support",
          "type": "OTHER"
        },
        {
          "name": "Lung-Protective Ventilation (LPV)",
          "type": "OTHER"
        },
        {
          "name": "Driving Pressure-Limited Ventilation (DPL)",
          "type": "OTHER"
        },
        {
          "name": "Lung- and Diaphragm-Protective Ventilation and Sedation (LDPVS)",
          "type": "OTHER"
        },
        {
          "name": "Early Cohort corticosteroid dose",
          "type": "DRUG"
        },
        {
          "name": "Extended Cohort corticosteroid dose",
          "type": "DRUG"
        },
        {
          "name": "Usual care without routine corticosteroids",
          "type": "DRUG"
        },
        {
          "name": "Usual care without extending corticosteroids",
          "type": "DRUG"
        },
        {
          "name": "Usual care with fludrocortisone",
          "type": "DRUG"
        },
        {
          "name": "Usual care without fludrocortisone",
          "type": "DRUG"
        },
        {
          "name": "Drug 4 mL:",
          "type": "DRUG"
        },
        {
          "name": "Drug 40 mg:",
          "type": "DRUG"
        },
        {
          "name": "PEEP-20",
          "type": "OTHER"
        },
        {
          "name": "PEEP-AOP",
          "type": "OTHER"
        },
        {
          "name": "PEEP-10",
          "type": "OTHER"
        },
        {
          "name": "VV ECMO-facilitated strategy of earlier awakening, extubation and rehabilitation",
          "type": "OTHER"
        },
        {
          "name": "Electrical impedance tomography (EIT)",
          "type": "OTHER"
        },
        {
          "name": "no treatment / intervention arm is involved.",
          "type": "OTHER"
        },
        {
          "name": "Usual care",
          "type": "OTHER"
        },
        {
          "name": "Early Routine IMT",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University Health Network, Toronto",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6250,
      "start_date": "2023-04-30",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-11-01T01:44:39.940Z",
      "location_count": 27,
      "location_summary": "Tucson, Arizona • Los Angeles, California • San Diego, California + 20 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05440851"
    },
    {
      "nct_id": "NCT05986539",
      "title": "Early Life Feeding Exposure and Infant Immune and Health Status.",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Maternal Behavior",
        "Maternal Obesity",
        "Breast Milk Collection",
        "Infant Development"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Idaho",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2024-01-12",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2024-07-26",
      "last_synced_at": "2026-11-01T01:44:39.940Z",
      "location_count": 1,
      "location_summary": "Moscow, Idaho",
      "locations": [
        {
          "city": "Moscow",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05986539"
    },
    {
      "nct_id": "NCT01518322",
      "title": "Impact of FeNO Measured With the NIOX MINO® Device in Identifying Asthma Among Patients With Prolonged Respiratory Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "NIOX MINO®",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Aerocrine AB",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "7 Years to 65 Years"
      },
      "enrollment_count": 235,
      "start_date": "2011-11",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2013-08-30",
      "last_synced_at": "2026-11-01T01:44:39.940Z",
      "location_count": 13,
      "location_summary": "Byron, Minnesota • Chatfield, Minnesota • Pine Island, Minnesota + 7 more",
      "locations": [
        {
          "city": "Byron",
          "state": "Minnesota"
        },
        {
          "city": "Chatfield",
          "state": "Minnesota"
        },
        {
          "city": "Pine Island",
          "state": "Minnesota"
        },
        {
          "city": "Plainview",
          "state": "Minnesota"
        },
        {
          "city": "Preston",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01518322"
    },
    {
      "nct_id": "NCT07776691",
      "title": "A Study of Raludotatug Deruxtecan With or Without Bevacizumab as First-Line Maintenance Treatment in Non-HRD-Positive Advanced Ovarian Cancer (MK-5909-006, (ENGOT-ov102/GOG-3141/ REJOICE-Ovarian 04)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Ovarian Neoplasms",
        "Peritoneal Cancer",
        "Fallopian Tube Cancer"
      ],
      "interventions": [
        {
          "name": "R-DXd",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 802,
      "start_date": "2026-09-18",
      "completion_date": "2034-10-22",
      "has_results": false,
      "last_update_posted_date": "2026-10-29",
      "last_synced_at": "2026-11-01T01:44:39.940Z",
      "location_count": 6,
      "location_summary": "Washington D.C., District of Columbia • Burlington, Massachusetts • Eugene, Oregon + 3 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Burlington",
          "state": "Massachusetts"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07776691"
    },
    {
      "nct_id": "NCT05147389",
      "title": "Artificial Intelligence for Digital Cholangioscopy Neoplasia Diagnosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Common Bile Duct Neoplasms",
        "Non-Neoplastic Bile Duct Disorder"
      ],
      "interventions": [
        {
          "name": "AI model classification",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "DSOC endoscopist experts' classification",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Instituto Ecuatoriano de Enfermedades Digestivas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 170,
      "start_date": "2020-10-01",
      "completion_date": "2022-05-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-17",
      "last_synced_at": "2026-11-01T01:44:39.940Z",
      "location_count": 3,
      "location_summary": "New Brunswick, New Jersey • Houston, Texas",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05147389"
    },
    {
      "nct_id": "NCT03602976",
      "title": "Ursodeoxycholic Acid (UDCA) for Hepatic Sarcoidosis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatic Sarcoidosis, Elevated Alkaline Phosphatase"
      ],
      "interventions": [
        {
          "name": "Ursodeoxycholic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ethan Weinberg",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2018-08-20",
      "completion_date": "2022-01-12",
      "has_results": true,
      "last_update_posted_date": "2023-06-07",
      "last_synced_at": "2026-11-01T01:44:39.940Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03602976"
    },
    {
      "nct_id": "NCT01255683",
      "title": "Oral Steroid Treatment for Chronic Rhinosinusitis",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Rhinosinusitis"
      ],
      "interventions": [
        {
          "name": "oral corticosteroid taper",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "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": "2010-12",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2015-04-22",
      "last_synced_at": "2026-11-01T01:44:39.940Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01255683"
    },
    {
      "nct_id": "NCT02849457",
      "title": "Preventing Epilepsy Using Vigabatrin In Infants With Tuberous Sclerosis Complex",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tuberous Sclerosis Complex"
      ],
      "interventions": [
        {
          "name": "Early Vigabatrin",
          "type": "DRUG"
        },
        {
          "name": "Delayed Vigabatrin (Placebo)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Martina Bebin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "1 Day to 6 Months"
      },
      "enrollment_count": 84,
      "start_date": "2016-12",
      "completion_date": "2023-05-05",
      "has_results": true,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-11-01T01:44:39.940Z",
      "location_count": 13,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02849457"
    },
    {
      "nct_id": "NCT02905370",
      "title": "Progressing Home Health Rehabilitation for Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Older Adults",
        "Physical Deconditioning"
      ],
      "interventions": [
        {
          "name": "Progressive Multi-Component (PMC)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Usual Care (EUC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "65 Years to 100 Years"
      },
      "enrollment_count": 353,
      "start_date": "2016-09-28",
      "completion_date": "2022-06-03",
      "has_results": false,
      "last_update_posted_date": "2024-03-07",
      "last_synced_at": "2026-11-01T01:44:39.940Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02905370"
    }
  ]
}