{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=17",
    "query": {
      "intervention": "observational study",
      "page": 17
    },
    "page_size": 10
  },
  "pagination": {
    "page": 17,
    "page_size": 10,
    "total_count": 4385,
    "total_pages": 439,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=18&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=16&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T15:17:03.718Z",
  "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": "NCT01265927",
      "title": "A Study Inhibiting Telomerase to Reverse Trastuzumab Resistance in HER2+ Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "GRN163L in combination with trastuzumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2011-01",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2015-10-27",
      "last_synced_at": "2026-10-19T15:17:03.718Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01265927"
    },
    {
      "nct_id": "NCT02029261",
      "title": "Observational Study of Insulin Resistance and Muscle Wasting After Burn Injury",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Burn"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "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": "2014-05",
      "completion_date": "2018-05",
      "has_results": false,
      "last_update_posted_date": "2019-03-07",
      "last_synced_at": "2026-10-19T15:17:03.718Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02029261"
    },
    {
      "nct_id": "NCT07075627",
      "title": "A Study to Evaluate the Incidence of Clinically Suspicious Lambert-Eaton Myasthenic Syndrome (LEMS) in Subjects Diagnosed With Small Cell Lung Cancer (SCLC)",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Small Cell Lung Cancer ( SCLC )",
        "Lambert Eaton Myasthenic Syndrome (LEMS)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Addario Lung Cancer Medical Institute",
      "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": "2025-09",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-10-19T15:17:03.718Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07075627"
    },
    {
      "nct_id": "NCT07381179",
      "title": "Voices: Messages of Wisdom and Hope in the Face of Illness",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2025-11-13",
      "completion_date": "2027-12-13",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-10-19T15:17:03.718Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07381179"
    },
    {
      "nct_id": "NCT02615886",
      "title": "Pilot Feasibility of Rice Bran Supplementation in Nicaraguan Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Rice Bran Supplementation"
      ],
      "interventions": [
        {
          "name": "Observational Control",
          "type": "OTHER"
        },
        {
          "name": "Rice bran",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Months",
        "maximum_age": "13 Months",
        "sex": "ALL",
        "summary": "4 Months to 13 Months"
      },
      "enrollment_count": 47,
      "start_date": "2014-11",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2017-07-19",
      "last_synced_at": "2026-10-19T15:17:03.718Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02615886"
    },
    {
      "nct_id": "NCT06058728",
      "title": "A Study to Evaluate Changes in Hair in Adult Participants Taking Oral Oriahnn Capsules With Heavy Menstrual Bleeding (HMB) Associated With Uterine Fibroids (UF)",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Uterine Fibroids (UF)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2023-12-20",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-10-19T15:17:03.718Z",
      "location_count": 1,
      "location_summary": "Arlington, Virginia",
      "locations": [
        {
          "city": "Arlington",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06058728"
    },
    {
      "nct_id": "NCT05013736",
      "title": "Baby Brain Recovery Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Perinatal Stroke"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging",
          "type": "DEVICE"
        },
        {
          "name": "Behavioral Assessments",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non invasive Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "0 Years to 24 Months"
      },
      "enrollment_count": 65,
      "start_date": "2022-07-26",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-10-19T15:17:03.718Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05013736"
    },
    {
      "nct_id": "NCT01115465",
      "title": "Study of Macroplastique Safety and Effectiveness in the Treatment of Female Stress Urinary Incontinence",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "Macroplastique",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Uroplasty, Inc",
      "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": 276,
      "start_date": "2008-01",
      "completion_date": "2022-02",
      "has_results": false,
      "last_update_posted_date": "2020-03-11",
      "last_synced_at": "2026-10-19T15:17:03.718Z",
      "location_count": 19,
      "location_summary": "Tucson, Arizona • Irvine, California • Orange, California + 15 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01115465"
    },
    {
      "nct_id": "NCT03794609",
      "title": "Observational Study Investigating Clinical & Anthropometric Characteristics of Children With Achondroplasia.",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Achondroplasia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "0 Years to 15 Years"
      },
      "enrollment_count": 315,
      "start_date": "2018-06-15",
      "completion_date": "2023-01-13",
      "has_results": true,
      "last_update_posted_date": "2024-10-17",
      "last_synced_at": "2026-10-19T15:17:03.718Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • Torrance, California • Wilmington, Delaware + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03794609"
    },
    {
      "nct_id": "NCT01137721",
      "title": "State Of The Art Functional Imaging In Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Anemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "5 Years to 19 Years"
      },
      "enrollment_count": 38,
      "start_date": "2010-09",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2018-08-23",
      "last_synced_at": "2026-10-19T15:17:03.718Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01137721"
    }
  ]
}