{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=20",
    "query": {
      "intervention": "Observational only",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 825,
    "total_pages": 83,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T09:34:57.980Z",
  "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": "NCT02897128",
      "title": "Transcutaneous Oxygen as a Predictor of Wound Healing Complications in Preoperatively Radiated Soft Tissue Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sarcoma, Soft Tissue"
      ],
      "interventions": [
        {
          "name": "Observational Only - Transcutaneous Oxygen Measurement",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2016-07",
      "completion_date": "2021-01-15",
      "has_results": false,
      "last_update_posted_date": "2021-07-20",
      "last_synced_at": "2026-10-22T09:34:57.980Z",
      "location_count": 4,
      "location_summary": "Gainesville, Florida • Iowa City, Iowa • Cleveland, Ohio + 1 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02897128"
    },
    {
      "nct_id": "NCT06876311",
      "title": "Observational Study to Evaluate the STALIF® C FLX, STALIF® M FLX, STALIF® L FLX Cages and FORTOS-C®",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Degenerative Cervical Disc Disease",
        "Degenerative Lumbar Diseases"
      ],
      "interventions": [
        {
          "name": "Anterior Cervical Interbody Fusion",
          "type": "DEVICE"
        },
        {
          "name": "Anterior lumbar Interbody Fusion",
          "type": "DEVICE"
        },
        {
          "name": "Lateral Lumbar Interbody Fusion",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Silony Medical GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-03-04",
      "completion_date": "2025-05-30",
      "has_results": false,
      "last_update_posted_date": "2025-03-14",
      "last_synced_at": "2026-10-22T09:34:57.980Z",
      "location_count": 1,
      "location_summary": "San Ramon, California",
      "locations": [
        {
          "city": "San Ramon",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06876311"
    },
    {
      "nct_id": "NCT06587100",
      "title": "Wearable Activity Tracking to Curb Hospitalizations",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic Neoplasm",
        "Malignant Solid Neoplasm",
        "Lymphatic System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Fitbit",
          "type": "DEVICE"
        },
        {
          "name": "Apple HealthKit-based devices",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 260,
      "start_date": "2025-04-07",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-10-22T09:34:57.980Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06587100"
    },
    {
      "nct_id": "NCT05540756",
      "title": "Study on the Use of Intraoperative Neurophysiological Monitoring in Spinal Cord Stimulator Trials",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain, Chronic",
        "Lumbar Radiculopathy",
        "SCS"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-12-10",
      "completion_date": "2022-12-10",
      "has_results": false,
      "last_update_posted_date": "2023-04-28",
      "last_synced_at": "2026-10-22T09:34:57.980Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05540756"
    },
    {
      "nct_id": "NCT05022862",
      "title": "Economic Incentives and vDOT for Latent Tuberculosis Infection",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Latent Tuberculosis"
      ],
      "interventions": [
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video Directly Observed Therapy alone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video Directly Observed Therapy plus Financial Incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 399,
      "start_date": "2022-02-07",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-10-22T09:34:57.980Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05022862"
    },
    {
      "nct_id": "NCT02329951",
      "title": "Predictive Factors for LBP Interventional Treatment Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Low Back Pain",
        "Lumbar Radiculopathy"
      ],
      "interventions": [
        {
          "name": "Facet intervention",
          "type": "PROCEDURE"
        },
        {
          "name": "Sacroiliac joint injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Epidural steroid injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 346,
      "start_date": "2014-12",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2021-12-09",
      "last_synced_at": "2026-10-22T09:34:57.980Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02329951"
    },
    {
      "nct_id": "NCT00501215",
      "title": "Effect of Parathyroidectomy on Sleep",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Parathyroid Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Telephone Interview",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Polysomnography (PSG)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2007-05-25",
      "completion_date": "2017-07-09",
      "has_results": false,
      "last_update_posted_date": "2017-07-18",
      "last_synced_at": "2026-10-22T09:34:57.980Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00501215"
    },
    {
      "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": "2026-10-22T09:34:57.980Z",
      "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": "NCT00114738",
      "title": "EPOCH-R Chemotherapy Plus Bortezomib to Treat Mantle Cell Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma, Mantle Cell",
        "Mantle Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Rituximab (R)",
          "type": "DRUG"
        },
        {
          "name": "EPOCH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bortezomib (B)",
          "type": "DRUG"
        },
        {
          "name": "Bortezomib",
          "type": "DRUG"
        },
        {
          "name": "Bortezomib or observation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 53,
      "start_date": "2005-06-15",
      "completion_date": "2022-08-11",
      "has_results": true,
      "last_update_posted_date": "2022-10-10",
      "last_synced_at": "2026-10-22T09:34:57.980Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00114738"
    },
    {
      "nct_id": "NCT07641738",
      "title": "Collecting Data on Retinal Blood Blood Flow and Blood Vessel Shape/Appearance Using an Investigational Device, XyCAM CRE, and to Then Compare Those Images With Images Collected From a Patient's Routine Clinical Examination.",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Microvascular Disease",
        "Retinal Disease"
      ],
      "interventions": [
        {
          "name": "XyCAM CRE Imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stuart Terry Eye Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "21 Years to 100 Years"
      },
      "enrollment_count": 350,
      "start_date": "2026-06-15",
      "completion_date": "2030-06-15",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-10-22T09:34:57.980Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07641738"
    }
  ]
}