{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%3A+observation+only&page=6",
    "query": {
      "intervention": "No intervention: observation only",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 154,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%3A+observation+only&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%3A+observation+only&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T09:43:49.902Z",
  "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": "NCT05981716",
      "title": "Young Breast Cancer Survivors Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 384,
      "start_date": "2023-01-10",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-10-11T09:43:49.902Z",
      "location_count": 1,
      "location_summary": "Columbia, South Carolina",
      "locations": [
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05981716"
    },
    {
      "nct_id": "NCT05629169",
      "title": "Video Review of the Frequency and Assessment of Head Impacts During the FIFA World Cup 2022TM",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head Injury",
        "Concussion",
        "Brain Injuries",
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "No intervention applied - observational study only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Federation Internationale de Football Association",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 832,
      "start_date": "2022-11-20",
      "completion_date": "2024-10-07",
      "has_results": false,
      "last_update_posted_date": "2025-02-11",
      "last_synced_at": "2026-10-11T09:43:49.902Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05629169"
    },
    {
      "nct_id": "NCT05947292",
      "title": "Study Comparing Ultrasound-guided FICNB Block to Systemic Analgesia in Treatment of Pediatric Femur Fracture",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Femur Fracture"
      ],
      "interventions": [
        {
          "name": "Ultrasound-Guided Fascia Iliaca Compartment Nerve Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Zachary Binder",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 114,
      "start_date": "2022-06-01",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-10-11T09:43:49.902Z",
      "location_count": 9,
      "location_summary": "San Diego, California • San Francisco, California • Denver, Colorado + 6 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05947292"
    },
    {
      "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": "2026-10-06",
      "last_synced_at": "2026-10-11T09:43:49.902Z",
      "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": "NCT03760237",
      "title": "Cardiovascular Function in Acute Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia, Myeloid, Acute",
        "Leukemia, Lymphoid, Acute",
        "Cardiotoxicity"
      ],
      "interventions": [
        {
          "name": "observation only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 84,
      "start_date": "2018-12-10",
      "completion_date": "2024-05-06",
      "has_results": false,
      "last_update_posted_date": "2024-10-10",
      "last_synced_at": "2026-10-11T09:43:49.902Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03760237"
    },
    {
      "nct_id": "NCT03786822",
      "title": "Reduction of Radiation Dose and Contrast Use During Cryoballoon Pulmonary Vein Isolation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Cryoballoon Pulmonary Vein Isolation - PVI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 1,
      "start_date": "2015-06-01",
      "completion_date": "2016-12-20",
      "has_results": false,
      "last_update_posted_date": "2018-12-26",
      "last_synced_at": "2026-10-11T09:43:49.902Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03786822"
    },
    {
      "nct_id": "NCT04575090",
      "title": "7 Tesla MRI Study in Patients With Statin Related Muscle Complaints",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Statin-related Muscle Pain",
        "Muscle Aches",
        "Muscle Weakness",
        "Muscle Cramp",
        "Muscle Stiffness"
      ],
      "interventions": [
        {
          "name": "Simvastatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 8,
      "start_date": "2016-03-05",
      "completion_date": "2021-06-23",
      "has_results": true,
      "last_update_posted_date": "2022-10-31",
      "last_synced_at": "2026-10-11T09:43:49.902Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04575090"
    },
    {
      "nct_id": "NCT04001413",
      "title": "Therapy for High-Risk HPV 16-Positive Oropharynx Cancer Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HPV Positive Oropharyngeal Squamous Cell Carcinoma",
        "Oropharynx Cancer",
        "HPV-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "MEDI0457",
          "type": "DRUG"
        },
        {
          "name": "Durvalumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "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": "2019-09-17",
      "completion_date": "2021-03-25",
      "has_results": false,
      "last_update_posted_date": "2022-07-29",
      "last_synced_at": "2026-10-11T09:43:49.902Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • New York, New York • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04001413"
    },
    {
      "nct_id": "NCT04212143",
      "title": "Central Blood Pressure and Pulse Wave Velocity in Kidney Transplant Recipients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "there is no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "3 Years to 21 Years"
      },
      "enrollment_count": 150,
      "start_date": "2021-07-01",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-07-03",
      "last_synced_at": "2026-10-11T09:43:49.902Z",
      "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/NCT04212143"
    },
    {
      "nct_id": "NCT05769439",
      "title": "Hydroxymethylation, Incident Type 2 Diabetes and Incident Obesity",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Incident Type 2 Diabetes",
        "Incident Obesity"
      ],
      "interventions": [
        {
          "name": "No intervention in an observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Des Moines University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "40 Years to 60 Years · Male only"
      },
      "enrollment_count": 126,
      "start_date": "2021-03-01",
      "completion_date": "2024-02-28",
      "has_results": false,
      "last_update_posted_date": "2023-03-15",
      "last_synced_at": "2026-10-11T09:43:49.902Z",
      "location_count": 1,
      "location_summary": "Des Moines, Iowa",
      "locations": [
        {
          "city": "Des Moines",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05769439"
    }
  ]
}