{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=45",
    "query": {
      "intervention": "observational study",
      "page": 45
    },
    "page_size": 10
  },
  "pagination": {
    "page": 45,
    "page_size": 10,
    "total_count": 4386,
    "total_pages": 439,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=46&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=44&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T08:49:54.102Z",
  "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": "NCT06370780",
      "title": "Exploring, Predicting, and Intervening on Long-term Viral Suppression Electronically",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "EPI LOVE",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2024-02-09",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-21T08:49:54.102Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06370780"
    },
    {
      "nct_id": "NCT02745054",
      "title": "Safety of Oral Anticoagulants Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Blood Coagulation"
      ],
      "interventions": [
        {
          "name": "mgt of bleeding concerns/complications of oral anticoagulants",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Hospital Quality Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "2016-08",
      "completion_date": "2018-10",
      "has_results": false,
      "last_update_posted_date": "2018-05-22",
      "last_synced_at": "2026-10-21T08:49:54.102Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Hartford, Connecticut • Detroit, Michigan + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02745054"
    },
    {
      "nct_id": "NCT04410757",
      "title": "Point of Care Ultrasound Evaluation in the Post-Anesthesia Unit",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypotension",
        "Hypoxemia",
        "Altered Mental Status",
        "Urine Output Low",
        "Chest Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 128,
      "start_date": "2018-08-01",
      "completion_date": "2020-05-27",
      "has_results": false,
      "last_update_posted_date": "2020-08-31",
      "last_synced_at": "2026-10-21T08:49:54.102Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04410757"
    },
    {
      "nct_id": "NCT06074601",
      "title": "MIRACLE of LIFE Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preterm Labor",
        "Preterm Birth",
        "Preterm Birth Complication",
        "Preterm Premature Rupture of Membrane",
        "Preeclampsia",
        "HELLP",
        "Gestational Hypertension",
        "Gestational Diabetes Mellitus in Pregnancy",
        "Small for Gestational Age at Delivery",
        "Intrauterine Growth Restriction"
      ],
      "interventions": [
        {
          "name": "Mirvie Predictive Test for Adverse Pregnancy Outcomes",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mirvie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 10000,
      "start_date": "2021-08-01",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-27",
      "last_synced_at": "2026-10-21T08:49:54.102Z",
      "location_count": 10,
      "location_summary": "San Diego, California • Orlando, Florida • New Orleans, Louisiana + 7 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06074601"
    },
    {
      "nct_id": "NCT03350022",
      "title": "Sham Feeding Post-operative Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Newborn Morbidity",
        "Oral Aversion",
        "Gastroschisis",
        "Bowel Obstruction",
        "Short Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "Sham Feeding",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Le Bonheur Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "2 Years",
        "sex": "ALL",
        "summary": "Up to 2 Years"
      },
      "enrollment_count": 102,
      "start_date": "2018-01-10",
      "completion_date": "2019-09-04",
      "has_results": false,
      "last_update_posted_date": "2020-02-20",
      "last_synced_at": "2026-10-21T08:49:54.102Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03350022"
    },
    {
      "nct_id": "NCT07517211",
      "title": "A Prospective Study of Physical Function in Adults Who Receive Systemic Therapy for Stage I-III Gastroesophageal Cancer, FAST-GO Study",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Clinical Stage I Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage I Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage I Gastric Cancer AJCC v8",
        "Clinical Stage I Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage II Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage II Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage II Gastric Cancer AJCC v8",
        "Clinical Stage II Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage III Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage III Gastric Cancer AJCC v8",
        "Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2026-12-01",
      "completion_date": "2029-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-10-21T08:49:54.102Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07517211"
    },
    {
      "nct_id": "NCT03170414",
      "title": "Observational Study of Solid Organ Transplantation Utilizing HIV-Positive Donors in HIV-Positive Recipients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV",
        "Awaiting Organ Transplant"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2017-06-15",
      "completion_date": "2023-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-12",
      "last_synced_at": "2026-10-21T08:49:54.102Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03170414"
    },
    {
      "nct_id": "NCT05667116",
      "title": "eVusheld Assessment reaL wORld Effectiveness at UPMC",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2, COVID-19"
      ],
      "interventions": [
        {
          "name": "EVUSHELD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 4232,
      "start_date": "2023-01-09",
      "completion_date": "2023-07-24",
      "has_results": false,
      "last_update_posted_date": "2024-11-12",
      "last_synced_at": "2026-10-21T08:49:54.102Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05667116"
    },
    {
      "nct_id": "NCT02657421",
      "title": "OLIF25™ /OLIF51™ Study",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Degenerative Disc Disease",
        "Scoliosis"
      ],
      "interventions": [
        {
          "name": "Oblique Lateral Interbody Fusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medtronic Spinal and Biologics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 168,
      "start_date": "2015-11",
      "completion_date": "2018-05-03",
      "has_results": false,
      "last_update_posted_date": "2018-06-04",
      "last_synced_at": "2026-10-21T08:49:54.102Z",
      "location_count": 6,
      "location_summary": "Murrieta, California • San Francisco, California • Melbourne, Florida + 3 more",
      "locations": [
        {
          "city": "Murrieta",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02657421"
    },
    {
      "nct_id": "NCT03064009",
      "title": "Regional and Seasonal Variations in the Incidence and Causative Organisms for Post-traumatic Wound Infections and Osteomyelitis After Open Fractures",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infection"
      ],
      "interventions": [
        {
          "name": "Infection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2017-02-01",
      "completion_date": "2018-05-29",
      "has_results": false,
      "last_update_posted_date": "2018-05-31",
      "last_synced_at": "2026-10-21T08:49:54.102Z",
      "location_count": 2,
      "location_summary": "Tampa, Florida • Seattle, Washington",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03064009"
    }
  ]
}