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Showing 1–24 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Optical Spectroscopy Measurement Clear all
Withdrawn No phase listed Observational

Near Infrared Spectroscopy in Sickle Cell Pediatric Patients

NCT04031521
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Near infrared spectroscopy
Diagnostic Test
Lead sponsor
Children's National Research Institute
Other
Eligibility
6 Years to 21 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Sep 5, 2026, 7:36 PM EDT
Completed Phase 1 Interventional

Safety and Feasibility Study of Methylene Blue Photodynamic Therapy to Sterilize Deep Tissue Abscess Cavities

NCT02240498
View directory record Official record
Conditions
Abscess
Interventions
Methylene Blue, 20% I.V. Fat Emulsion, Insertion of optical fiber, Laser illumination, 5 minutes, Laser illumination, 10 minutes, Laser illumination, 15 minutes, Laser illumination, 20 minutes, Laser illumination, 25 minutes, Laser illumination, 30 minutes, Optical spectroscopy measurement
Drug · Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immunologic Abnormalities, Chronic Inflammation and Oxidative Stress in Chronic Kidney Disease

NCT00793806
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Diffuse Optical Spectroscopy
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
3
States / cities
Irvine, California • Orange, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2022 · Synced Sep 5, 2026, 7:36 PM EDT
Completed Not applicable Interventional

Multi-modality Imaging in Acute Myocardial Infarction

NCT02926755
View directory record Official record
Conditions
Acute Myocardial Infarction, STEMI, Coronary Artery Disease, Atherosclerotic Plaque Disruption With Thrombosis of Artery
Interventions
Coronary Angiography
Procedure
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Sep 5, 2026, 7:36 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Validation Study of Bioelectronics

NCT05397951
View directory record Official record
Conditions
Healthy, Health Behavior
Interventions
Multi-modality Noninvasive Biosensor, Oximeter, Portable Blood Pressure Monitor, Vicorder Pulse Wave Velocity Monitor
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational

Functional Near Infrared Spectroscopy to Detect Pain in Young Children Under General Anesthesia

NCT04362423
View directory record Official record
Conditions
Pain
Interventions
fNIRS
Device
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Month to 16 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 1, 2020 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational

Laser Spectroscopy of Breast Tissue Through a Needle Device

NCT00918788
View directory record Official record
Conditions
Breast Cancer
Interventions
biologic sample preservation procedure, immunohistochemistry staining method, light microscopy, medical chart review, histopathologic examination, needle biopsy, spectroscopy
Other · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 21, 2013 · Synced Sep 5, 2026, 7:36 PM EDT
Active, not recruiting Not applicable Interventional

Widefield Fluorescence and Reflectance Imaging Systems and Oral Tissue Samples in Monitoring Participants at Risk for Developing Oral Cancer

NCT00542373
View directory record Official record
Conditions
Erythroplakia, Fanconi Anemia, Lichen Planus, Oral Cavity and Lip Precancerous Condition, Oral Cavity Leukoplakia, Oral Neoplasm, Premalignant Lesion, Tobacco Use Disorder
Interventions
Cytology Specimen Collection Procedure, Diagnostic Microscopy, Diagnostic Procedure, Fluorescence Imaging, Fluorescence Spectroscopy
Other · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
338 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational

Mitochondria and Metabolic Syndrome in a Southern California Chinese Cohort

NCT00786721
View directory record Official record
Conditions
Metabolic Syndrome, Type 2 Diabetes Mellitus
Interventions
Diffuse Optical Spectroscopy
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
Not listed
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Sep 5, 2026, 7:36 PM EDT
Not yet recruiting Phase 2 Interventional

Efficacy of Methylene Blue Photodynamic Therapy for Treatment of Deep Tissue Abscesses

NCT06052956
View directory record Official record
Conditions
Abscess
Interventions
Methylene Blue, Lipid Emulsion, Insertion of optical fiber, Laser Illumination (pre-defined dose), Optical Spectroscopy Measurement, Laser Illumination (patient-specific dose), Standard of care abscess drainage
Drug · Device · Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Measurement of Neonatal Microvascular Hemodynamics Using Non-invasive Optical Technologies

NCT01982357
View directory record Official record
Conditions
Infant, Premature, Diseases
Interventions
Laser Speckle Imaging and Diffuse Optical Spectroscopy
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
1 Minute to 1 Month
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Sep 5, 2026, 7:36 PM EDT
Completed Not applicable Interventional

Family-Based Intervention Study of the Effects of Environmental Exposures on Breast Tissue Composition

NCT04265547
View directory record Official record
Conditions
Breast Cancer Risk
Interventions
Breast Cancer Risk Reduction Household Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
10 Years to 65 Years · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Sep 5, 2026, 7:36 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cerebral Physiology of NOWS

NCT07610746
View directory record Official record
Conditions
Neonatal Opioid Withdrawal, Neonatal Opioid Withdrawal Syndrome, Opioid Use Disorder, Intrauterine Exposure
Interventions
FD-NIRS and DCS
Device
Lead sponsor
Indiana University
Other
Eligibility
Up to 1 Day
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Cerebral Blood Flow and Childhood Obstructive Sleep Apnea

NCT02995837
View directory record Official record
Conditions
Obstructive Sleep Apnea Syndrome
Interventions
Sleep Study, Neurocognitive Testing, CBF During Wakefulness, CBF During Sleep
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years to 12 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 8, 2024 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational

Monitoring Neoadjuvant Chemotherapy Response in Breast Cancer Patients Using Diffuse Optical Spectroscopic Imaging

NCT02510456
View directory record Official record
Conditions
Breast Cancer
Interventions
Diffuse Optical Spectroscopy Imaging (DOSI) - Neoadjuvant Chemo (NAC) Cohort, Diffuse Optical Spectroscopy Imaging (DOSI) - Non-NAC Cohort
Device
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 5, 2026, 7:36 PM EDT
Terminated No phase listed Observational

An Exploratory Study on Optical Assessment of Oral Mucositis

NCT00488332
View directory record Official record
Conditions
Head and Neck Cancer, Oral Mucositis
Interventions
Optical Coherence Tomography, Fluorescence Spectroscopy, Pain Scale Questionnaire
Procedure · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 19, 2012 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Pilot Study Non-Invasive Guidance for Therapeutic Ultrasound Treatment of Lower Back Muscle Injuries

NCT02169726
View directory record Official record
Conditions
Injury; Muscle, Back, Lower
Interventions
Diffuse Optical Spectroscopy
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Sep 5, 2026, 7:36 PM EDT
Completed Not applicable Interventional

Evaluation of Breast Cancer Surgical Margins Using Optical Spectroscopy

NCT00214292
View directory record Official record
Conditions
Breast Cancer
Interventions
fluorescence spectroscopy and diffuse spectroscopy
Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Sep 5, 2026, 7:36 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Measurement of the Distribution of Optical Properties in Adult Human Muscle

NCT00540683
View directory record Official record
Conditions
Muscle Disorder
Interventions
Diffuse Optical Spectroscopy
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2018
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2022 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational

Vascular Reactivity in Metabolic Syndrome and Diabetic Patients Using Diffuse Optical Spectroscopy

NCT00793481
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Diffuse Optical Spectroscopy
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
45 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational

Measurements of Anemia and Physiologic Tissue Response to Blood Transfusions in VLBW Infants Using Quantitative NIRS

NCT00544375
View directory record Official record
Conditions
Infant Development
Interventions
Optical measurement
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
1 Minute to 1 Month
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Newborn Screening for Critical Congenital Heart Disease

NCT01765205
View directory record Official record
Conditions
Congenital Cardiovascular Malformation
Interventions
Pulse Oximetry using the INVOS (In Vivo Optical Spectroscopy) Cerebral/Somatic Oximeter
Device
Lead sponsor
University of Florida
Other
Eligibility
12 Hours to 2 Weeks
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 13, 2014 · Synced Sep 5, 2026, 7:36 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Measurements of Breast Tissue Optical Properties

NCT00540540
View directory record Official record
Conditions
Accessory; Breast Tissue
Interventions
Diffuse Optical Spectroscopy
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 75 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2018
U.S. locations
4
States / cities
Costa Mesa, California • Irvine, California • La Jolla San Diego, California + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2022 · Synced Sep 5, 2026, 7:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-Invasive Assessment of Wound Healing With Optical Methods

NCT00578604
View directory record Official record
Conditions
Diabetic Foot Ulcers
Interventions
diffuse near infrared spectroscopy measurements
Device
Lead sponsor
Drexel University College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Sep 5, 2026, 7:36 PM EDT