{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=32",
    "query": {
      "intervention": "No intervention (observational study)",
      "page": 32
    },
    "page_size": 10
  },
  "pagination": {
    "page": 32,
    "page_size": 10,
    "total_count": 919,
    "total_pages": 92,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=33&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=31&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T08:47:41.193Z",
  "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": "NCT02399137",
      "title": "A Phase 2 Study of MM-141 Plus Nab-paclitaxel and Gemcitabine in Front-line Metastatic Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "MM-141",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Nab-Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merrimack Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2015-05",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2018-09-18",
      "last_synced_at": "2026-10-23T08:47:41.193Z",
      "location_count": 47,
      "location_summary": "Gilbert, Arizona • Anaheim, California • Fullerton, California + 40 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redondo Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02399137"
    },
    {
      "nct_id": "NCT03474003",
      "title": "Development and Validation of a Multidimensional Score to Predict Long-term Kidney Transplant Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplantation"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Paris Translational Research Center for Organ Transplantation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7557,
      "start_date": "2002-01",
      "completion_date": "2020-04-29",
      "has_results": false,
      "last_update_posted_date": "2020-05-01",
      "last_synced_at": "2026-10-23T08:47:41.193Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • Rochester, Minnesota • Richmond, Virginia",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03474003"
    },
    {
      "nct_id": "NCT06224413",
      "title": "A Study of Participants With Cerebral Adrenoleukodystrophy (CALD) Treated With Elivaldogene Autotemcel",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cerebral Adrenoleukodystrophy (CALD)"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Genetix Biotherapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 120,
      "start_date": "2024-03-27",
      "completion_date": "2047-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-10-23T08:47:41.193Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Philadelphia, Pennsylvania • Dallas, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06224413"
    },
    {
      "nct_id": "NCT04971694",
      "title": "Impact of Steroid, Diuretic, and Fluid Use on BPD Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "BPD - Bronchopulmonary Dysplasia"
      ],
      "interventions": [
        {
          "name": "No interventions or procedures",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pediatrix",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 175,
      "start_date": "2021-08-30",
      "completion_date": "2024-07-06",
      "has_results": false,
      "last_update_posted_date": "2024-11-19",
      "last_synced_at": "2026-10-23T08:47:41.193Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04971694"
    },
    {
      "nct_id": "NCT05893459",
      "title": "Beneficial or Fostering Future Struggles (B.F.F.s)? Characterizing the Role of Friends in the Development of 13- to 17-Year-Old Adolescents",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Child Maltreatment",
        "Interpersonal Relations",
        "Victimisation",
        "Psychopathology",
        "Electrocardiography"
      ],
      "interventions": [
        {
          "name": "Debrief",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 120,
      "start_date": "2023-12-02",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-07-16",
      "last_synced_at": "2026-10-23T08:47:41.193Z",
      "location_count": 1,
      "location_summary": "Columbia, South Carolina",
      "locations": [
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05893459"
    },
    {
      "nct_id": "NCT03223870",
      "title": "Respiratory Rate Accuracy - Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Normal Respiration Patterns"
      ],
      "interventions": [
        {
          "name": "Diagnostic",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Nonin Medical, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 30,
      "start_date": "2017-07-11",
      "completion_date": "2017-07-31",
      "has_results": false,
      "last_update_posted_date": "2017-08-02",
      "last_synced_at": "2026-10-23T08:47:41.193Z",
      "location_count": 1,
      "location_summary": "Plymouth, Minnesota",
      "locations": [
        {
          "city": "Plymouth",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03223870"
    },
    {
      "nct_id": "NCT03263650",
      "title": "Study of Olaparib Maintenance Following Cabazitaxel-Carbo in Men With AVPC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer Aggressiveness",
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cabazitaxel",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Prednisone 5Mg",
          "type": "DRUG"
        },
        {
          "name": "Olaparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 96,
      "start_date": "2017-10-03",
      "completion_date": "2026-06-10",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-10-23T08:47:41.193Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03263650"
    },
    {
      "nct_id": "NCT04155892",
      "title": "Evaluation of Extubation Criteria in Children With Upper Respiratory Infection (URI)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Upper Respiratory Tract Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "Up to 7 Years"
      },
      "enrollment_count": 760,
      "start_date": "2019-12-04",
      "completion_date": "2025-07-03",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-10-23T08:47:41.193Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04155892"
    },
    {
      "nct_id": "NCT07746167",
      "title": "Pupillary Dilation Reflex in Healthy Volunteers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "No intervention (observational study)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's National Research Institute",
      "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": "2026-04-29",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-10-23T08:47:41.193Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07746167"
    },
    {
      "nct_id": "NCT03769961",
      "title": "Ataxia in Essential Tremor: Describing the Differences Between Disease Process and Treatment Effect",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Essential Tremor",
        "Deep Brain Stimulation",
        "Ataxia",
        "Cerebellar Diseases"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "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": 6,
      "start_date": "2018-12-01",
      "completion_date": "2020-09-14",
      "has_results": false,
      "last_update_posted_date": "2020-09-17",
      "last_synced_at": "2026-10-23T08:47:41.193Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03769961"
    }
  ]
}