{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Measurement&page=4",
    "query": {
      "condition": "Measurement",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1441,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Measurement&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Measurement&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T11:22:25.488Z",
  "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": "NCT01229488",
      "title": "System for Ocular Oxygen Measurement",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Normal"
      ],
      "interventions": [
        {
          "name": "Intervention",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "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": 0,
      "start_date": "2012-07",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2015-03-26",
      "last_synced_at": "2026-10-31T11:22:25.488Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01229488"
    },
    {
      "nct_id": "NCT01979159",
      "title": "A Novel Treatment for Aphasia and Apraxia of Speech : Measurement of Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Apraxia of Speech",
        "Aphasia"
      ],
      "interventions": [
        {
          "name": "Combined Aphasia and Apraxia of Speech Treatment (CAAST)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 4,
      "start_date": "2013-10-21",
      "completion_date": "2017-12-22",
      "has_results": true,
      "last_update_posted_date": "2019-06-19",
      "last_synced_at": "2026-10-31T11:22:25.488Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01979159"
    },
    {
      "nct_id": "NCT04533542",
      "title": "Nicotine Vapor Specific Sensory Measurement",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Substance-Related Disorder"
      ],
      "interventions": [
        {
          "name": "Measurement",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 42,
      "start_date": "2021-03-10",
      "completion_date": "2023-03-07",
      "has_results": false,
      "last_update_posted_date": "2024-04-05",
      "last_synced_at": "2026-10-31T11:22:25.488Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04533542"
    },
    {
      "nct_id": "NCT04223570",
      "title": "Portable Measurement of Protoporphyrin IX in the Skin",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Photodynamic Therapy",
        "Protoporphyrin IX"
      ],
      "interventions": [
        {
          "name": "Portable Apple Smart Phone Protoporphyrin IX Spectrometer Camera",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 219,
      "start_date": "2022-12-01",
      "completion_date": "2025-05-20",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-10-31T11:22:25.488Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04223570"
    },
    {
      "nct_id": "NCT01183741",
      "title": "Accuracy of Non-Invasive Blood Pressure Measurement in Adults",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertension",
        "Hypotension"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sotera Wireless, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2010-09",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2011-06-22",
      "last_synced_at": "2026-10-31T11:22:25.488Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01183741"
    },
    {
      "nct_id": "NCT03933969",
      "title": "Functional Predictive Value of Collective Outcome Measure(s) Status Post Total Hip/Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Joint Arthroplasty",
        "Knee and Hip"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2019-06-11",
      "completion_date": "2022-12-23",
      "has_results": false,
      "last_update_posted_date": "2023-01-17",
      "last_synced_at": "2026-10-31T11:22:25.488Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03933969"
    },
    {
      "nct_id": "NCT00775294",
      "title": "Study in Healthy Males to Measure Maraviroc in Blood, Saliva, Seminal Fluid, and Rectal Tissue",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV/AIDS"
      ],
      "interventions": [
        {
          "name": "Maraviroc",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "MALE",
        "summary": "18 Years to 49 Years · Male only"
      },
      "enrollment_count": 14,
      "start_date": "2008-05",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2011-05-13",
      "last_synced_at": "2026-10-31T11:22:25.488Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00775294"
    },
    {
      "nct_id": "NCT07737873",
      "title": "Examining Relationships Between Musculoskeletal Function Measurements of Movement Efficiency and Nervous System Function After Chronic Stroke",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stroke",
        "Osteopathic Medicine",
        "Physical Examination",
        "Heart Rate Variability (HRV)",
        "Energy Expenditure",
        "Patient Reported Outcome (PRO)"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 100,
      "start_date": "2026-07-01",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-31T11:22:25.488Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07737873"
    },
    {
      "nct_id": "NCT04031768",
      "title": "Best Rest: Rest Time Before Blood Pressure Measurement Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension",
        "Blood Pressure",
        "Cardiovascular Diseases",
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "Timing of rest prior to blood pressure measurement",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "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": 116,
      "start_date": "2019-11-11",
      "completion_date": "2020-03-16",
      "has_results": false,
      "last_update_posted_date": "2022-09-06",
      "last_synced_at": "2026-10-31T11:22:25.488Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04031768"
    },
    {
      "nct_id": "NCT05565625",
      "title": "A Study to Evaluate the Whitening Effect of Mineral Sunscreens in Multi-Cultural Skin Tones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sunscreen"
      ],
      "interventions": [
        {
          "name": "Sunscreen A",
          "type": "OTHER"
        },
        {
          "name": "Sunscreen B",
          "type": "OTHER"
        },
        {
          "name": "Sunscreen C",
          "type": "OTHER"
        },
        {
          "name": "Sunscreen D",
          "type": "OTHER"
        },
        {
          "name": "Sunscreen E",
          "type": "OTHER"
        },
        {
          "name": "Sunscreen F",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johnson & Johnson Consumer Inc. (J&JCI)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 97,
      "start_date": "2021-12-29",
      "completion_date": "2022-03-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-25",
      "last_synced_at": "2026-10-31T11:22:25.488Z",
      "location_count": 1,
      "location_summary": "Teaneck, New Jersey",
      "locations": [
        {
          "city": "Teaneck",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05565625"
    }
  ]
}