{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Optical+Spectroscopy+Measurement",
    "query": {
      "intervention": "Optical Spectroscopy Measurement"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Optical+Spectroscopy+Measurement&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T07:26:17.696Z",
  "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": "NCT04031521",
      "title": "Near Infrared Spectroscopy in Sickle Cell Pediatric Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Near infrared spectroscopy",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Years to 21 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-06-26",
      "completion_date": "2023-09-03",
      "has_results": false,
      "last_update_posted_date": "2023-09-14",
      "last_synced_at": "2026-09-07T07:26:17.696Z",
      "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/NCT04031521"
    },
    {
      "nct_id": "NCT02240498",
      "title": "Safety and Feasibility Study of Methylene Blue Photodynamic Therapy to Sterilize Deep Tissue Abscess Cavities",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Abscess"
      ],
      "interventions": [
        {
          "name": "Methylene Blue",
          "type": "DRUG"
        },
        {
          "name": "20% I.V. Fat Emulsion",
          "type": "DRUG"
        },
        {
          "name": "Insertion of optical fiber",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 5 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 10 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 15 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 20 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 25 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 30 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Optical spectroscopy measurement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2014-09",
      "completion_date": "2023-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-09-07T07:26:17.696Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02240498"
    },
    {
      "nct_id": "NCT00793806",
      "title": "Immunologic Abnormalities, Chronic Inflammation and Oxidative Stress in Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Diffuse Optical Spectroscopy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2008-08",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2022-10-20",
      "last_synced_at": "2026-09-07T07:26:17.696Z",
      "location_count": 3,
      "location_summary": "Irvine, California • Orange, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00793806"
    },
    {
      "nct_id": "NCT02926755",
      "title": "Multi-modality Imaging in Acute Myocardial Infarction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Myocardial Infarction",
        "STEMI",
        "Coronary Artery Disease",
        "Atherosclerotic Plaque Disruption With Thrombosis of Artery"
      ],
      "interventions": [
        {
          "name": "Coronary Angiography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Corewell Health East",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2016-01-20",
      "completion_date": "2019-02-11",
      "has_results": false,
      "last_update_posted_date": "2019-04-10",
      "last_synced_at": "2026-09-07T07:26:17.696Z",
      "location_count": 1,
      "location_summary": "Royal Oak, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02926755"
    },
    {
      "nct_id": "NCT05397951",
      "title": "The Validation Study of Bioelectronics",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy",
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Multi-modality Noninvasive Biosensor",
          "type": "DEVICE"
        },
        {
          "name": "Oximeter",
          "type": "DEVICE"
        },
        {
          "name": "Portable Blood Pressure Monitor",
          "type": "DEVICE"
        },
        {
          "name": "Vicorder Pulse Wave Velocity Monitor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 22,
      "start_date": "2024-01-09",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-09-07T07:26:17.696Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05397951"
    },
    {
      "nct_id": "NCT04362423",
      "title": "Functional Near Infrared Spectroscopy to Detect Pain in Young Children Under General Anesthesia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "fNIRS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "1 Month to 16 Years"
      },
      "enrollment_count": 39,
      "start_date": "2014-08",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2020-09-02",
      "last_synced_at": "2026-09-07T07:26:17.696Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04362423"
    },
    {
      "nct_id": "NCT00918788",
      "title": "Laser Spectroscopy of Breast Tissue Through a Needle Device",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "light microscopy",
          "type": "OTHER"
        },
        {
          "name": "medical chart review",
          "type": "OTHER"
        },
        {
          "name": "histopathologic examination",
          "type": "PROCEDURE"
        },
        {
          "name": "needle biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "spectroscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 17,
      "start_date": "2008-04",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2013-08-22",
      "last_synced_at": "2026-09-07T07:26:17.696Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00918788"
    },
    {
      "nct_id": "NCT00542373",
      "title": "Widefield Fluorescence and Reflectance Imaging Systems and Oral Tissue Samples in Monitoring Participants at Risk for Developing Oral Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Erythroplakia",
        "Fanconi Anemia",
        "Lichen Planus",
        "Oral Cavity and Lip Precancerous Condition",
        "Oral Cavity Leukoplakia",
        "Oral Neoplasm",
        "Premalignant Lesion",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Diagnostic Microscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Diagnostic Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorescence Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorescence Spectroscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 338,
      "start_date": "2007-08-27",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-09-07T07:26:17.696Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00542373"
    },
    {
      "nct_id": "NCT00786721",
      "title": "Mitochondria and Metabolic Syndrome in a Southern California Chinese Cohort",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metabolic Syndrome",
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Diffuse Optical Spectroscopy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 9,
      "start_date": "2006-11",
      "completion_date": "2010-08",
      "has_results": false,
      "last_update_posted_date": "2022-11-01",
      "last_synced_at": "2026-09-07T07:26:17.696Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00786721"
    },
    {
      "nct_id": "NCT06052956",
      "title": "Efficacy of Methylene Blue Photodynamic Therapy for Treatment of Deep Tissue Abscesses",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Abscess"
      ],
      "interventions": [
        {
          "name": "Methylene Blue",
          "type": "DRUG"
        },
        {
          "name": "Lipid Emulsion",
          "type": "DRUG"
        },
        {
          "name": "Insertion of optical fiber",
          "type": "DEVICE"
        },
        {
          "name": "Laser Illumination (pre-defined dose)",
          "type": "DEVICE"
        },
        {
          "name": "Optical Spectroscopy Measurement",
          "type": "DEVICE"
        },
        {
          "name": "Laser Illumination (patient-specific dose)",
          "type": "DEVICE"
        },
        {
          "name": "Standard of care abscess drainage",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2026-07-15",
      "completion_date": "2031-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-10",
      "last_synced_at": "2026-09-07T07:26:17.696Z",
      "location_count": 2,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06052956"
    }
  ]
}