{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Plethysmography&page=2",
    "query": {
      "intervention": "Plethysmography",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 83,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Plethysmography&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Plethysmography&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T14:52:40.384Z",
  "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": "NCT05173207",
      "title": "Respiratory-Swallow Coordination in Cardiothoracic Surgical Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thoracic Diseases",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Videofluoroscopic swallow exam with concurrent monitoring of respiratory-swallow coordination",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Florida",
      "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": 8,
      "start_date": "2022-03-03",
      "completion_date": "2022-07-27",
      "has_results": false,
      "last_update_posted_date": "2022-07-28",
      "last_synced_at": "2026-10-01T14:52:40.384Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05173207"
    },
    {
      "nct_id": "NCT00500838",
      "title": "Cardiac Resynchronization Therapy Defibrillator Based Impedance Monitoring Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Transthoracic Impedance",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2007-07",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2019-02-01",
      "last_synced_at": "2026-10-01T14:52:40.384Z",
      "location_count": 4,
      "location_summary": "Little Rock, Arkansas • Glendale, California • Browns Mills, New Jersey + 1 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Browns Mills",
          "state": "New Jersey"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00500838"
    },
    {
      "nct_id": "NCT07430254",
      "title": "Finger Plethysmography to Predict Fluid Responsiveness in Healthy Pregnancy and Severe Preeclampsia",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pre-Eclampsia, Severe",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Noninvasive finger plethysmographic cardiac output monitoring",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Standard transthoracic echocardiographic assessment",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 88,
      "start_date": "2026-07-01",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-24",
      "last_synced_at": "2026-10-01T14:52:40.384Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07430254"
    },
    {
      "nct_id": "NCT06944041",
      "title": "Measuring Volume Using a 3D Scanner and iPad to Grade the Swelling of Legs",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Limb Volume",
        "Measuring Edema"
      ],
      "interventions": [
        {
          "name": "STO3 sensor (Structure Inc., Boulder, CO)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The RANE Center for Venous and Lymphatic Diseases at St. Dominic's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2024-04-16",
      "completion_date": "2025-02-20",
      "has_results": false,
      "last_update_posted_date": "2025-05-18",
      "last_synced_at": "2026-10-01T14:52:40.384Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06944041"
    },
    {
      "nct_id": "NCT02099955",
      "title": "Vitamin D Deficiency and Replacement on Pulmonary and Endocrine Function in SCI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Spinal Cord Injury",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "James J. Peters Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 88,
      "start_date": "2012-01",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-03-07",
      "last_synced_at": "2026-10-01T14:52:40.384Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02099955"
    },
    {
      "nct_id": "NCT03575897",
      "title": "Serial Assessment of Body Fat Accrual in Very Preterm Infants",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infant,Premature",
        "Body Weight",
        "Adiposity"
      ],
      "interventions": [
        {
          "name": "Assessment of infant body composition",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "14 Days",
        "sex": "ALL",
        "summary": "1 Day to 14 Days"
      },
      "enrollment_count": 50,
      "start_date": "2018-09-10",
      "completion_date": "2026-12",
      "has_results": true,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-10-01T14:52:40.384Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03575897"
    },
    {
      "nct_id": "NCT06221124",
      "title": "Ring-type Pulse Oximeter for Evaluation for Sleep Assessment Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep-Disordered Breathing",
        "Sleep Architecture"
      ],
      "interventions": [
        {
          "name": "Belun Ring Pulse Oximeter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Belun Technology Company Limited",
      "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": 40,
      "start_date": "2020-07-15",
      "completion_date": "2023-06-12",
      "has_results": false,
      "last_update_posted_date": "2024-01-24",
      "last_synced_at": "2026-10-01T14:52:40.384Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06221124"
    },
    {
      "nct_id": "NCT02390960",
      "title": "Phase 2a Topical Sildenafil Proof-of-Concept Study in Men With Mild to Moderate ED",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Erectile Dysfunction"
      ],
      "interventions": [
        {
          "name": "Sildenafil Cream",
          "type": "DRUG"
        },
        {
          "name": "Placebo Cream",
          "type": "DRUG"
        },
        {
          "name": "Penile Plethysmography (RigiScan)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Strategic Science & Technologies, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "18 Years to 70 Years · Male only"
      },
      "enrollment_count": 33,
      "start_date": "2015-03",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2017-10-12",
      "last_synced_at": "2026-10-01T14:52:40.384Z",
      "location_count": 3,
      "location_summary": "San Diego, California • New Orleans, Louisiana • New York, New York",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02390960"
    },
    {
      "nct_id": "NCT04281836",
      "title": "Visual and Auditory Neuromodulation of Pain Perception",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "Interoceptive breathing awareness through use of audio and visual virtual technology aid",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interoceptive breathing awareness without use of audio or visual virtual reality",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "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": 40,
      "start_date": "2016-02-11",
      "completion_date": "2019-12-01",
      "has_results": false,
      "last_update_posted_date": "2020-02-24",
      "last_synced_at": "2026-10-01T14:52:40.384Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04281836"
    },
    {
      "nct_id": "NCT02414204",
      "title": "Phosphodiesterase Type 5 Inhibition to Improve Endothelial Function and Vascular Remodeling in Chronic Kidney Disease and End Stage Renal Disease Patients Requiring New Arteriovenous Fistula",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Improve Endothelial Function and Decrease Vascular Stenosis"
      ],
      "interventions": [
        {
          "name": "Sildenafil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "19 Years to 99 Years"
      },
      "enrollment_count": 4,
      "start_date": "2015-04",
      "completion_date": "2018-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-08-12",
      "last_synced_at": "2026-10-01T14:52:40.384Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02414204"
    }
  ]
}