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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: methylene blue Clear all
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 26, 2026, 4:15 PM EDT
Recruiting Not applicable Interventional

Anti-Reflux Endoscopic TX Using APC (AREA) in GERD Patients: (The AREA Study)

NCT05570448
View directory record Official record
Conditions
Gastro Esophageal Reflux
Interventions
ARAT, Sham intervention (control)
Procedure
Lead sponsor
Midwest Veterans' Biomedical Research Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Not applicable Interventional Results available

SpHincterotomy for Acute Recurrent Pancreatitis

NCT03609944
View directory record Official record
Conditions
Pancreatitis, Pancreas Divisum, Pancreatitis, Acute, Pancreatitis Idiopathic, Pancreas Inflamed
Interventions
ERCP with miES, EUS
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 16 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of USP Methylene Blue on Cognitive and fMRI Brain Activity

NCT01836094
View directory record Official record
Conditions
Brain Activity
Interventions
Methylene Blue (USP grade, 280mg oral), Placebo
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Feasibility of One-Step Sentinel Lymph Node (SLN) Biopsy With Radiolabeled Methylene Blue (IND 70,627)

NCT00784849
View directory record Official record
Conditions
Breast Cancer
Interventions
Methylene blue
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older · Female only
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
2
States / cities
Lafayette, Louisiana • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Sep 26, 2026, 4:15 PM EDT
Withdrawn Phase 2 Interventional

Hemodynamic Effects of Methylene Blue vs Hydroxocobalamin in Patients at Risk of Vasoplegia During Cardiac Surgery

NCT03446599
View directory record Official record
Conditions
Vasoplegia, Hypotension, Coronary Artery Disease, Cardiac Valve Disease
Interventions
Hydroxocobalamin, Methylene Blue, Normal saline
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Mar 1, 2020 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sensitivity Diagnosing Traumatic Knee Injuries With and Without Injection of Blue Dye Into the Knee Joint

NCT01073124
View directory record Official record
Conditions
Traumatic Knee Arthrotomy
Interventions
Saline Load Test
Procedure
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2016 · Synced Sep 26, 2026, 4:15 PM EDT
Completed No phase listed Observational

Methylene Blue Chromoendoscopy in Barrett's Esophagus

NCT00587652
View directory record Official record
Conditions
Barrett Esophagus
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 5, 2010 · Synced Sep 26, 2026, 4:15 PM EDT
Not yet recruiting Early Phase 1 Interventional

Topical Methylene Blue-Photodynamic Therapy (MB-PDT) for Burn Wound Infection

NCT07494773
View directory record Official record
Conditions
Burns, Wound Infection
Interventions
Methylene Blue, Blue Light Illumination
Drug · Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Not applicable Interventional

Second Echelon Node Study With Methylene Blue

NCT01823172
View directory record Official record
Conditions
Breast Cancer, Melanoma
Interventions
Methylene blue dye injection of sentinel lymph node
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Sep 26, 2026, 4:15 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Efficacy Study to Evaluate Antimicrobial Effectiveness of ZuraPrep™

NCT02221232
View directory record Official record
Conditions
Surgical Site Infection
Interventions
Chloraprep, ZuraPrep, ZuraPrep Vehicle
Drug
Lead sponsor
Zurex Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated Jul 17, 2016 · Synced Sep 26, 2026, 4:15 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 26, 2026, 4:15 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Comparing Reduction With ESD- Versus APC-TORe

NCT06131281
View directory record Official record
Conditions
Obesity, Roux-en-y Anastomosis Site, Weight Gain
Interventions
E-TORe, c-TORe
Procedure
Lead sponsor
Stephen Firkins
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Not applicable Interventional

Pain After Preoperative UltraSound Guided Hip Injections for Total Hip Arthroplasty (PUSH)

NCT04219098
View directory record Official record
Conditions
Total Hip Replacement, Arthroplasty
Interventions
Butterfly IQ, Standard of Care
Procedure · Other
Lead sponsor
Anne Arundel Health System Research Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Annapolis, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced Sep 26, 2026, 4:15 PM EDT
Recruiting Phase 1 Interventional

Methylene Blue in Total Knee Arthroplasty (TKA)

NCT07324954
View directory record Official record
Conditions
Total Knee Arthroplasty, Prosthetic-joint Infection, Irrigation
Interventions
Methylene Blue 10 MG/ML (intra-articular application), Revision Arthroplasty for PJI (DAIR), Primary Total Knee Arthroplasty
Drug · Procedure
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 26, 2026, 4:15 PM EDT
Enrolling by invitation Not applicable Interventional

Endoscopic Gastroenterostomy Versus Surgical Gastrojejunostomy

NCT06567691
View directory record Official record
Conditions
Malignant Gastric Outlet Obstruction
Interventions
EUS Gastrojejunostomy, Surgical Gastrojejunostomy, Gastric Outlet Obstruction Scoring System (GOOSS)
Procedure · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety Study to Evaluate the Contact Sensitizing Potential of Topically Applied ZuraPrep™ and ZuraPrep™ Without IPA

NCT02160587
View directory record Official record
Conditions
Surgical Site Infection
Interventions
Chloraprep, 0.9% Physiological Saline, ZuraPrep without IPA
Drug · Other
Lead sponsor
Zurex Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated Mar 16, 2015 · Synced Sep 26, 2026, 4:15 PM EDT
Enrolling by invitation Phase 2Phase 3 Interventional

Polyethylene-glycol Assisted Nerve Repair in Phalloplasty

NCT05897086
View directory record Official record
Conditions
Gender Dysphoria
Interventions
Polyethylene Glycol 3350
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Sep 26, 2026, 4:15 PM EDT
Recruiting Not applicable Interventional

Effect of Photobiomodulation on Pain and Healing of the Vertical Releasing Incision After Endodontic Microsurgery

NCT06574152
View directory record Official record
Conditions
Apical Periodontitis, Endodontically Treated Teeth, Endodontic Disease, Apical Cyst, Apical Granuloma, Periradicular Disease, Previous Endodontic Treatment
Interventions
PBM treatment, PBM sham treatment, EMS
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 26, 2026, 4:15 PM EDT
Not listed Phase 2 Interventional

Methylene Blue as a Third-line Vasopressor in Septic Shock

NCT04089072
View directory record Official record
Conditions
Septic Shock
Interventions
Methylene Blue, Phenylephrine
Drug
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Not applicable Interventional Results available

Lymph Node Mapping in Patients With Endometrial Cancer

NCT01818739
View directory record Official record
Conditions
Endometrial Cancer
Interventions
sentinel lymph node detection, indocyanine green solution, isosulfan blue, sentinel lymph node biopsy
Procedure · Drug
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
New Haven, Connecticut • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Not applicable Interventional

Real-Time Optical Biopsy in Improving Lung Cancer Diagnosis in Patients Undergoing Lung Biopsy

NCT03376971
View directory record Official record
Conditions
Lesion, Lung Cancer, Diagnoses Disease
Interventions
Biopsy, Laboratory Biomarker Analysis
Procedure · Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 30, 2024 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Not applicable Interventional Results available

Clinical and Microbiologic Outcomes of Adjunctive Antimicrobial Photodynamic Therapy in the Non-surgical and Surgical Treatment of Teeth With Periodontal Disease

NCT05252000
View directory record Official record
Conditions
Periodontal Diseases
Interventions
mechanical debridement, adjunctive aPDT, sham aPDT
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 26, 2026, 4:15 PM EDT
Completed Phase 4 Interventional Results available

Clinical and Microbiologic Outcomes of aPDT in the Non-surgical Treatment of Implant Inflammation

NCT04187053
View directory record Official record
Conditions
DENT IMPLANTS, LASER
Interventions
Conventional mechanical therapy, Saline, Methylene Blue, Light emitting laser, Non-light emitting laser
Procedure · Drug · Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Sep 26, 2026, 4:15 PM EDT