{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Control&page=15",
    "query": {
      "intervention": "Observational Control",
      "page": 15
    },
    "page_size": 10
  },
  "pagination": {
    "page": 15,
    "page_size": 10,
    "total_count": 644,
    "total_pages": 65,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Control&page=16&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Control&page=14&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T00:39:38.498Z",
  "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": "NCT00151476",
      "title": "Observational Familial Adenomatous Polyposis Registry Study In Patients Receiving Celecoxib Compared to Control Patients",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Familial Adenomatous Polyposis (FAP)"
      ],
      "interventions": [
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Routine Medical Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2004-11",
      "completion_date": "2008-11",
      "has_results": true,
      "last_update_posted_date": "2024-09-04",
      "last_synced_at": "2026-10-24T00:39:38.498Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00151476"
    },
    {
      "nct_id": "NCT00473824",
      "title": "Randomized Phase II Study of Hepatitis C Immune Globulin Intravenous (Human), Civacir(TM), in Liver Transplantation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sequelae of Viral Hepatitis",
        "Transplantation Infection",
        "Evidence of Liver Transplantation"
      ],
      "interventions": [
        {
          "name": "Hepatitis C Immune Globulin Intravenous (Human) 5%",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ADMA Biologics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 7,
      "start_date": "2007-05",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2021-07-30",
      "last_synced_at": "2026-10-24T00:39:38.498Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00473824"
    },
    {
      "nct_id": "NCT07641413",
      "title": "Lung and Heart Function Across Decades of Life in Health",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pollution Related Respiratory Disorder",
        "Pollution; Exposure",
        "Dyspnea",
        "Cardiopulmonary"
      ],
      "interventions": [
        {
          "name": "Healthy control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "24 Years",
        "maximum_age": "68 Years",
        "sex": "ALL",
        "summary": "24 Years to 68 Years"
      },
      "enrollment_count": 200,
      "start_date": "2024-08-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-24T00:39:38.498Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07641413"
    },
    {
      "nct_id": "NCT01391754",
      "title": "Effectiveness Trial for Project SafeCare for Child Neglect",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Child Neglect"
      ],
      "interventions": [
        {
          "name": "SafeCare",
          "type": "BEHAVIORAL"
        },
        {
          "name": "In vivo coached quality control",
          "type": "OTHER"
        },
        {
          "name": "Services As Usual",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Uncoached",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "14 Years to 75 Years"
      },
      "enrollment_count": 2175,
      "start_date": "2003-10",
      "completion_date": "2007-09",
      "has_results": false,
      "last_update_posted_date": "2011-07-12",
      "last_synced_at": "2026-10-24T00:39:38.498Z",
      "location_count": 3,
      "location_summary": "McAlester, Oklahoma • Oklahoma City, Oklahoma • Tulsa, Oklahoma",
      "locations": [
        {
          "city": "McAlester",
          "state": "Oklahoma"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01391754"
    },
    {
      "nct_id": "NCT02050048",
      "title": "High Volume Lactated Ringer's Solution and Pancreatitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Pancreatitis"
      ],
      "interventions": [
        {
          "name": "Administration of Lactated Ringer's (LR) Solution",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Endeavor Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2014-01",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2019-09-06",
      "last_synced_at": "2026-10-24T00:39:38.498Z",
      "location_count": 6,
      "location_summary": "Evanston, Illinois • Highland Park, Illinois • Skokie, Illinois + 3 more",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Highland Park",
          "state": "Illinois"
        },
        {
          "city": "Skokie",
          "state": "Illinois"
        },
        {
          "city": "Plymouth",
          "state": "Minnesota"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02050048"
    },
    {
      "nct_id": "NCT02485808",
      "title": "Symptoms of Lower Urinary Tract Dysfunction Phenotyping Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "None-observational",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Multimodal Automated Sensory Testing System",
          "type": "OTHER"
        },
        {
          "name": "Auditory Sensitivity Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Arbor Research Collaborative for Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1879,
      "start_date": "2015-04",
      "completion_date": "2018-05",
      "has_results": false,
      "last_update_posted_date": "2019-01-15",
      "last_synced_at": "2026-10-24T00:39:38.498Z",
      "location_count": 6,
      "location_summary": "Chicago, Illinois • Iowa City, Iowa • Ann Arbor, Michigan + 3 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02485808"
    },
    {
      "nct_id": "NCT01498406",
      "title": "Vitamin D Status, Disease Specific and Quality of Life Outcomes in Patients With Cutaneous Lupus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cutaneous Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2011-12",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2013-11-20",
      "last_synced_at": "2026-10-24T00:39:38.498Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01498406"
    },
    {
      "nct_id": "NCT01306994",
      "title": "Study of Resting and Exercising Body Functioning in Freeman-Sheldon Syndrome and Related Conditions",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthrogryposis",
        "Craniofacial Abnormalities"
      ],
      "interventions": [
        {
          "name": "Lactate, Glucose, and Adenosine Triphosphate Blood Levels",
          "type": "OTHER"
        },
        {
          "name": "Physiological Stress Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Functional Enquiry Form",
          "type": "OTHER"
        },
        {
          "name": "Strength, Joint ROM, Girth and Length Measurements",
          "type": "OTHER"
        },
        {
          "name": "Study Physical Examination",
          "type": "OTHER"
        },
        {
          "name": "Observational Gait Analysis",
          "type": "OTHER"
        },
        {
          "name": "Mental Health Interview",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Freeman-Sheldon Research Group, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2014-03",
      "completion_date": "2022-06",
      "has_results": false,
      "last_update_posted_date": "2022-06-06",
      "last_synced_at": "2026-10-24T00:39:38.498Z",
      "location_count": 1,
      "location_summary": "Buckhannon, West Virginia",
      "locations": [
        {
          "city": "Buckhannon",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01306994"
    },
    {
      "nct_id": "NCT05939414",
      "title": "An Open-label Study Comparing Lutetium (177Lu) Vipivotide Tetraxetan Versus Observation in PSMA Positive OMPC.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Oligometastatic Prostate Cancer (OMPC)"
      ],
      "interventions": [
        {
          "name": "AAA617",
          "type": "DRUG"
        },
        {
          "name": "piflufolastat (18F)",
          "type": "DRUG"
        },
        {
          "name": "gallium (68Ga) gozetotide (25μg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "MALE",
        "summary": "18 Years to 100 Years · Male only"
      },
      "enrollment_count": 450,
      "start_date": "2024-03-12",
      "completion_date": "2031-10-03",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-24T00:39:38.498Z",
      "location_count": 39,
      "location_summary": "Fayetteville, Arkansas • Los Angeles, California • Palo Alto, California + 30 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05939414"
    },
    {
      "nct_id": "NCT01452464",
      "title": "Safety of MenACWY-CRM Vaccination in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Meningococcal Disease"
      ],
      "interventions": [
        {
          "name": "MenACWY-CRM",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "11 Years to 21 Years"
      },
      "enrollment_count": 55397,
      "start_date": "2011-09",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2015-02-26",
      "last_synced_at": "2026-10-24T00:39:38.498Z",
      "location_count": 3,
      "location_summary": "Riverside, California • San Diego, California • Valley Annex, 16994 E. Valley Blvd., Fontana, California",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Valley Annex, 16994 E. Valley Blvd., Fontana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01452464"
    }
  ]
}