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Showing 1–24 of 35 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Tear collection Clear all
Completed No phase listed Observational Accepts healthy volunteers

Lacritin and Heparanase Levels in Human Tears After Laser Refractive Surgery

NCT01049724
View directory record Official record
Conditions
Myopia
Interventions
Tear collection
Other
Lead sponsor
Fort Belvoir Community Hospital
Federal
Eligibility
21 Years to 55 Years
Enrollment
196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2017
U.S. locations
1
States / cities
Fort Belvoir, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 6, 2018 · Synced Sep 2, 2026, 1:55 PM EDT
Recruiting Not applicable Interventional

BriTer Eyez Moisture Vue™ On-Demand Disposable Moisture Chamber

NCT07430735
View directory record Official record
Conditions
Dry Eye Disease (DED)
Interventions
BriTer Eyez Moisture Vue™ On Demand Disposable Moisture Chamber
Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 2, 2026, 1:55 PM EDT
Completed No phase listed Observational

Close Assessment and Testing for Chronic Graft Versus Host Disease, CATCH Study

NCT04188912
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm
Interventions
Biospecimen Collection, Optical Coherence Tomography, Spirometry, Survey Administration, Digital Photography, Quality-of-Life Assessment, Medical Chart Review
Procedure · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
7
States / cities
Gainesville, Florida • Tampa, Florida • Bethesda, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Sep 2, 2026, 1:55 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Trans-Abdominal Fetal Pulse Oximetry - EFS-IDE

NCT06405984
View directory record Official record
Conditions
Fetal Hypoxia, Fetal Distress, Fetal Conditions, Fetal Complications, Labor Fetal Anoxia, Labor (Obstetrics)--Complications, Oxygen Deficiency
Interventions
Fetal Oxygenation Measurements
Device
Lead sponsor
Raydiant Oximetry, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Sep 2, 2026, 1:55 PM EDT
Completed Not applicable Interventional

Vascular Changes of Rotator Cuff Repair Augmented With a Whole Blood Fibrin Clot

NCT03577379
View directory record Official record
Conditions
Rotator Cuff Tear
Interventions
Whole Blood Fibrin Clot
Other
Lead sponsor
Santa Barbara Cottage Hospital
Other
Eligibility
18 Years to 69 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 2, 2026, 1:55 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Motions of the Bones and Activation of the Muscles of the Shoulder Girdle During Basic and Common Arm Movement

NCT04571268
View directory record Official record
Conditions
Rotator Cuff Tears
Interventions
Not listed
Lead sponsor
More Foundation
Other
Eligibility
50 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Sep 2, 2026, 1:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Intra-articular Platelet-Rich Plasma for Acetabular Labral Tears

NCT06332352
View directory record Official record
Conditions
Acetabular Labrum Tear
Interventions
PRP
Biological
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 49 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 2, 2026, 1:55 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Validation of a Tear-based Screening Assay for Breast Cancer

NCT04928014
View directory record Official record
Conditions
Healthy, Breast Cancer, Breast Cancer Female, Health Care Utilization, Health Knowledge, Attitudes, Practice, Health Personnel Attitude, Health Care Acceptability
Interventions
Schirmer Strip
Other
Lead sponsor
Namida Lab
Industry
Eligibility
18 Years to 100 Years · Female only
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 2, 2023 · Synced Sep 2, 2026, 1:55 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Investigating the Diagnostic Potential of Tear Proteins in Cancer - A Pilot Study

NCT05223218
View directory record Official record
Conditions
Breast Cancer, Ovarian Cancer, Pancreatic Cancer, Prostate Cancer, Melanoma
Interventions
Schirmer strip, a Class I Medical Device typically used to test for dry eye.
Other
Lead sponsor
Namida Lab
Industry
Eligibility
18 Years to 100 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 2, 2023 · Synced Sep 2, 2026, 1:55 PM EDT
Not listed No phase listed Observational

A Tear-based, Lab-developed Test for Breast Cancer for Women With Dense Breast Tissue

NCT05268224
View directory record Official record
Conditions
Breast Cancer Screening
Interventions
Schirmer Strip
Diagnostic Test
Lead sponsor
Namida Lab
Industry
Eligibility
18 Years to 100 Years · Female only
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 10, 2023 · Synced Sep 2, 2026, 1:55 PM EDT
Not listed Not applicable Interventional

Study Comparing Patient Function and Satisfaction With Arthroscopic Subacromial Decompression Before and After Repair of Complete Rotator Cuff Tears

NCT01430598
View directory record Official record
Conditions
Rotator Cuff Tear, Acromial Spur
Interventions
Rotator Cuff Repair and Subacromial Decompression, Questionnaire
Procedure · Other
Lead sponsor
Ascension Health
Industry
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Grand Blanc, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 7, 2011 · Synced Sep 2, 2026, 1:55 PM EDT
Recruiting Phase 2 Interventional

Periprosthetic Joint Infection Bubble Study

NCT07599865
View directory record Official record
Conditions
Periprosthetic Joint Infection (PJI)
Interventions
Ultrasound-triggered microbubble destruction with antibiotics
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
3
States / cities
Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 2, 2026, 1:55 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Tear Fluid for the Detection of Tumor-associated Extracellular Vesicles in Glioblastoma Patients

NCT07775534
View directory record Official record
Conditions
Glioblastoma
Interventions
Biospecimen Collection, Electronic Health Record Review, Questionnaire Administration
Procedure · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 2, 2026, 1:55 PM EDT
Withdrawn No phase listed Observational

Assessment of COVID-19 in Tearfilm

NCT04579458
View directory record Official record
Conditions
Covid19, Ophthalmopathy, Eye Diseases
Interventions
Collection of tears and saliva.
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Sep 2, 2026, 1:55 PM EDT
Active, not recruiting No phase listed Observational

Heart Attack Research Program- Imaging Study

NCT02905357
View directory record Official record
Conditions
Myocardial Infarction
Interventions
OCT, CMR
Device · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 99 Years
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
15
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Sep 2, 2026, 1:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Tear Fluid Levels of Loteprednol Etabonate Ophthalmic Gel 0.5% Following a Single Instillation

NCT01736527
View directory record Official record
Conditions
Pharmacokinetics
Interventions
LE Gel
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 7, 2013 · Synced Sep 2, 2026, 1:55 PM EDT
Recruiting No phase listed Observational

Clinical Orthopaedic Data Bank (Acute and Chronic)

NCT00411060
View directory record Official record
Conditions
Osteoarthritis, Osteosarcoma, Scoliosis, Cerebral Palsy
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
Not listed
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Sep 2, 2026, 1:55 PM EDT
Completed No phase listed Observational

The Effects of Platelet Rich Plasma on the Integrity of Rotator Cuff Repair

NCT01424969
View directory record Official record
Conditions
Rotator Cuff Tear Arthropathy
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
50 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 13, 2014 · Synced Sep 2, 2026, 1:55 PM EDT
Completed No phase listed Observational

Qualitative Evaluation of Tear Fluid and Blood for Auto Antibodies Produced in Response to COVID-19

NCT04542980
View directory record Official record
Conditions
SARS-CoV 2 Infection, Covid19
Interventions
SARS-CoV2 Autoantibody detection
Diagnostic Test
Lead sponsor
Namida Lab
Industry
Eligibility
18 Years to 100 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced Sep 2, 2026, 1:55 PM EDT
Completed No phase listed Observational

Detecting SARS-CoV-2 in Tears

NCT04526769
View directory record Official record
Conditions
COVID, COVID-19, Corona Virus Infection, SARS-CoV-2
Interventions
Tear Collection
Diagnostic Test
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 30, 2022 · Synced Sep 2, 2026, 1:55 PM EDT
Completed No phase listed Observational

RUBY Post-Market Registry on the Jada® System

NCT04995887
View directory record Official record
Conditions
Postpartum Hemorrhage
Interventions
Jada® System
Device
Lead sponsor
Alydia Health
Industry
Eligibility
Female only
Enrollment
809 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
16
States / cities
Loma Linda, California • Newark, Delaware • Gainesville, Georgia + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced Sep 2, 2026, 1:55 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Normal Lacritin Levels in Human Tears- Development of a New Clinical Assay

NCT00487643
View directory record Official record
Conditions
Tear Protein Lacritin in Human Tears
Interventions
Tear Collection
Procedure
Lead sponsor
Walter Reed Army Medical Center
Federal
Eligibility
21 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 10, 2014 · Synced Sep 2, 2026, 1:55 PM EDT
Terminated Phase 1 Interventional

Platelet Rich Plasma vs. Corticosteroid Injection in the Treatment of Partial Rotator Cuff Tears

NCT01688362
View directory record Official record
Conditions
Rotator Cuff Tear
Interventions
Platelet Rich Plasma (PRP), Corticosteroid
Biological · Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Sep 2, 2026, 1:55 PM EDT
Not listed No phase listed Observational

The Accuracy of Amniotic Fluid Ferning in the Second Trimester in the Diagnosis of Preterm Prelabor Rupture of Membranes

NCT04963465
View directory record Official record
Conditions
Preterm Premature Rupture of Membrane, Amniotic Fluid Leakage
Interventions
Ferning on microscopy
Diagnostic Test
Lead sponsor
Albany Medical College
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2023 · Synced Sep 2, 2026, 1:55 PM EDT