{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+alone+%2F+no+intervention",
    "query": {
      "intervention": "Observation alone / no intervention"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 152,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+alone+%2F+no+intervention&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T11:17:36.185Z",
  "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": "NCT07223684",
      "title": "TDAP in Burn Patients (Group 2)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sepsis",
        "Burn Injury",
        "Wound Healing",
        "Critical Illness",
        "Multiple Organ Dysfunction Syndrome"
      ],
      "interventions": [
        {
          "name": "Observational Cohort (No Intervention)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "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": 80,
      "start_date": "2026-05-15",
      "completion_date": "2027-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-09-05T11:17:36.185Z",
      "location_count": 3,
      "location_summary": "Tampa, Florida • Atlanta, Georgia • Houston, Texas",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07223684"
    },
    {
      "nct_id": "NCT00053352",
      "title": "Surgery and Combination Chemotherapy in Treating Children With Extracranial Germ Cell Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Childhood Embryonal Tumor",
        "Childhood Extracranial Germ Cell Tumor",
        "Childhood Extragonadal Germ Cell Tumor",
        "Childhood Malignant Ovarian Germ Cell Tumor",
        "Childhood Malignant Testicular Germ Cell Tumor",
        "Childhood Teratoma",
        "Ovarian Embryonal Carcinoma",
        "Ovarian Yolk Sac Tumor",
        "Stage II Malignant Testicular Germ Cell Tumor",
        "Stage IIA Ovarian Germ Cell Tumor",
        "Stage IIB Ovarian Germ Cell Tumor",
        "Stage IIC Ovarian Germ Cell Tumor",
        "Stage III Malignant Testicular Germ Cell Tumor",
        "Stage IIIA Ovarian Germ Cell Tumor",
        "Stage IIIB Ovarian Germ Cell Tumor",
        "Stage IIIC Ovarian Germ Cell Tumor",
        "Testicular Choriocarcinoma and Yolk Sac Tumor",
        "Testicular Embryonal Carcinoma"
      ],
      "interventions": [
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "bleomycin sulfate",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 302,
      "start_date": "2003-11-03",
      "completion_date": "2021-06-30",
      "has_results": true,
      "last_update_posted_date": "2021-07-13",
      "last_synced_at": "2026-09-05T11:17:36.185Z",
      "location_count": 112,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 98 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00053352"
    },
    {
      "nct_id": "NCT04981275",
      "title": "A Multi-omic Approach to Evaluate and Characterize the Polycystic Ovary Syndrome (PCOS) Phenotype",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Polycystic Ovary Syndrome"
      ],
      "interventions": [
        {
          "name": "No intervention study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Onegevity Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 81,
      "start_date": "2021-06-19",
      "completion_date": "2023-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-11-01",
      "last_synced_at": "2026-09-05T11:17:36.185Z",
      "location_count": 1,
      "location_summary": "College Park, Maryland",
      "locations": [
        {
          "city": "College Park",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04981275"
    },
    {
      "nct_id": "NCT07805044",
      "title": "Truway Whole-Body Digital Twin and Physiologic Resilience Study (TRU-OMNIBODY)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PHYSIOLOGICAL PHENOMENA",
        "Homeostasis",
        "Physical Functional Performance",
        "Cardiorespiratory Fitness",
        "Cardiometabolic Risk Factors",
        "Mobility Limitation"
      ],
      "interventions": [
        {
          "name": "Standardized Physiologic Resilience Challenge",
          "type": "PROCEDURE"
        },
        {
          "name": "Multimodal Whole-Body Physiologic Monitoring",
          "type": "OTHER"
        },
        {
          "name": "Research-Only Whole-Body Digital Twin Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Truway Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 450,
      "start_date": "2026-08-31",
      "completion_date": "2041-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-05T11:17:36.185Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07805044"
    },
    {
      "nct_id": "NCT02392195",
      "title": "Brain Characteristics Noted Prior to and Following Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nonsynostotic Plagiocephaly"
      ],
      "interventions": [
        {
          "name": "Non-interventional",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "8 Months",
        "sex": "ALL",
        "summary": "Up to 8 Months"
      },
      "enrollment_count": 10,
      "start_date": "2013-02",
      "completion_date": "2020-09",
      "has_results": true,
      "last_update_posted_date": "2020-12-10",
      "last_synced_at": "2026-09-05T11:17:36.185Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02392195"
    },
    {
      "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": "2026-09-05T11:17:36.185Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03786822"
    },
    {
      "nct_id": "NCT00301119",
      "title": "Lung Cancer Biomarkers and Screening",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 3606,
      "start_date": "2000-05",
      "completion_date": "2030-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-09-05T11:17:36.185Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00301119"
    },
    {
      "nct_id": "NCT01158183",
      "title": "Real-World Betaseron Health Economic Outcomes Study for Relapsing Forms of Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "BAY86-5046_Interferon-beta-1b",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 226,
      "start_date": "2007-07",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2010-07-08",
      "last_synced_at": "2026-09-05T11:17:36.185Z",
      "location_count": 27,
      "location_summary": "Many Locations, Alabama • Many Locations, California • Many Locations, Colorado + 24 more",
      "locations": [
        {
          "city": "Many Locations",
          "state": "Alabama"
        },
        {
          "city": "Many Locations",
          "state": "California"
        },
        {
          "city": "Many Locations",
          "state": "Colorado"
        },
        {
          "city": "Many Locations",
          "state": "Florida"
        },
        {
          "city": "Many Locations",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01158183"
    },
    {
      "nct_id": "NCT04255199",
      "title": "Watchful Waiting as a Strategy for Reducing Low-value Spinal Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2020-10-21",
      "completion_date": "2024-11-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-09-05T11:17:36.185Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04255199"
    },
    {
      "nct_id": "NCT02229409",
      "title": "Effectiveness of the Walking Intervention Walkadoo: A Randomized Controlled Pilot Trial in an Employee Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Walkadoo",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "MeYou Health, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 265,
      "start_date": "2014-09",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2016-02-04",
      "last_synced_at": "2026-09-05T11:17:36.185Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02229409"
    }
  ]
}