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ClinicalTrials.gov public records Last synced Oct 10, 2026, 3:19 PM EDT

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Showing 49–72 of 75 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: 5-aminolevulinic acid (5-ALA) Clear all
Completed Phase 2 Interventional Results available

Study to Evaluate the Safety and Efficacy of BF-200 ALA (Ameluz®) and BF-RhodoLED® in the Treatment of Moderate to Severe Acne Vulgaris With Photodynamic Therapy in Adults

NCT05080764
View directory record Official record
Conditions
Acne Vulgaris
Interventions
1h Incubation Photodynamic therapy (PDT) (ALA-PDT, Ameluz®-PDT), 1h Incubation Photodynamic therapy (PDT) (vehicle to BF-200 ALA containing no active ingredient), 3h Incubation Photodynamic therapy (PDT) (ALA-PDT, Ameluz®-PDT), 3h Incubation Photodynamic therapy (PDT) (vehicle to BF-200 ALA containing no active ingredient)
Combination Product
Lead sponsor
Biofrontera Inc.
Industry
Eligibility
16 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
9
States / cities
Fountain Valley, California • San Diego, California • Delray Beach, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 10, 2026, 3:19 PM EDT
Completed Phase 2 Interventional Results available

Photodynamic Therapy (PDT) With Methyl Aminolevulinate (MAL) Cream in Patients With Skin Type V or IV With Acne Vulgaris

NCT00673933
View directory record Official record
Conditions
Acne Vulgaris
Interventions
Methyl aminolevulinate (MAL) PDT
Drug
Lead sponsor
Photocure
Industry
Eligibility
15 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
Naperville, Illinois • Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jul 12, 2013 · Synced Oct 10, 2026, 3:19 PM EDT
Terminated Phase 2 Interventional

ALA-PDT Versus Vehicle PDT for Treatment of AK and Reduction of New NMSC in Solid Organ Transplant Recipients

NCT00865878
View directory record Official record
Conditions
Actinic Keratoses, Skin Neoplasms
Interventions
Aminolevulinic Acid, Vehicle
Drug · Other
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
7
States / cities
Irvine, California • San Francisco, California • Miami, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2011 · Synced Oct 10, 2026, 3:19 PM EDT
Recruiting Phase 1Phase 2 Interventional

Fluorescence Image Guided Surgery Followed by Intraoperative Photodynamic Therapy for Improving Local Tumor Control in Patients With Locally Advanced or Recurrent Colorectal Cancer

NCT06307548
View directory record Official record
Conditions
Locally Advanced Colorectal Carcinoma, Recurrent Colorectal Carcinoma, Stage III Colorectal Cancer
Interventions
Aminolevulinic Acid, Biospecimen Collection, Computed Tomography, Fluorescence-Guided Surgery, Magnetic Resonance Imaging, Photodynamic Therapy, Surgical Procedure
Drug · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 10, 2026, 3:19 PM EDT
Recruiting Phase 2 Interventional

Adjuvant Temozolomide ± 5-Aminolevulinic Acid + Low Intensity Diffuse Ultrasound Sonodynamic Therapy System for Newly Diagnosed Glioblastoma

NCT07225621
View directory record Official record
Conditions
Glioblastoma, GBM
Interventions
5-ALA HCl + LIDU SDT, Placebo + Sham SDT
Combination Product
Lead sponsor
Alpheus Medical, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
11
States / cities
Boston, Massachusetts • Rochester, Minnesota • Albany, New York + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 10, 2026, 3:19 PM EDT
Recruiting Not applicable Interventional

Intraoperative Fluorescence-Guided Aspirate Tissue Monitoring of 5-ALA During Brain Tumor Surgery

NCT07111182
View directory record Official record
Conditions
Brain Neoplasms
Interventions
HIVEN Medical Device
Device
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 99 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 10, 2026, 3:19 PM EDT
Recruiting Phase 2 Interventional

Photodynamic Diagnosis of Kidney Cancer Using Fluorescence Endoscopy and Oral 5-ALA

NCT07828704
View directory record Official record
Conditions
Kidney Cancers
Interventions
5-Aminolevulinic acid Hydrochloride (Gliolan®)
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 10, 2026, 3:19 PM EDT
Completed Phase 2 Interventional Results available

Photodynamic Therapy in Treating Patients With Skin Cancer

NCT00002975
View directory record Official record
Conditions
Non-melanomatous Skin Cancer, Precancerous Condition
Interventions
aminolevulinic acid
Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
Not listed
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2010
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 10, 2013 · Synced Oct 10, 2026, 3:19 PM EDT
Recruiting No phase listed Observational

Loupe-Based Intraoperative Fluorescence Imaging

NCT04780009
View directory record Official record
Conditions
Glioblastoma Multiforme, Anaplastic Astrocytoma
Interventions
Not listed
Lead sponsor
Guoqiang Yu
Other
Eligibility
18 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 10, 2026, 3:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Photodynamic Therapy Incubation Times for Actinic Keratosis

NCT03066843
View directory record Official record
Conditions
Actinic Keratoses
Interventions
ALA (5-aminolevulinic acid), Blue light therapy
Drug · Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 10, 2026, 3:19 PM EDT
Terminated Phase 1 Interventional

Phase I Study of Orally Administered Aminolevulinic Acid for Resection of Malignant Astrocytomas

NCT01502605
View directory record Official record
Conditions
Astrocytoma, Glioma
Interventions
5-Aminolevulinic Acid
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 5, 2017 · Synced Oct 10, 2026, 3:19 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sugar Sweetened Beverage Intake and Biomarkers of Cardiometabolic Risk in US Women

NCT03173586
View directory record Official record
Conditions
Biomarkers
Interventions
Sugar sweetened beverage (SSB)
Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
30 Years to 55 Years · Female only
Enrollment
33,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 2, 2017 · Synced Oct 10, 2026, 3:19 PM EDT
Active, not recruiting Phase 2 Interventional

Diagnostic Performance of Fluorescein as an Intraoperative Brain Tumor Biomarker

NCT02691923
View directory record Official record
Conditions
Brain Cancer
Interventions
Fluorescein, Fluorescein + ALA
Drug
Lead sponsor
David W. Roberts
Other
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 10, 2026, 3:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial Evaluating the Role of Systemic Antihistamine Therapy in the Reduction of Adverse Effects Associated With Topical 5-aminolevulinic Acid Photodynamic Therapy

NCT02451579
View directory record Official record
Conditions
Actinic Keratoses
Interventions
Antihistamine Cetirizine Hydrochloride, Placebo
Drug · Other
Lead sponsor
Goldman, Butterwick, Fitzpatrick and Groff
Other
Eligibility
19 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2017 · Synced Oct 10, 2026, 3:19 PM EDT
Terminated Not applicable Interventional Results available

Photodynamic Therapy Using Topical Aminolevulinic Acid in Treating Patients With Actinic Keratosis

NCT00524485
View directory record Official record
Conditions
Precancerous/Nonmalignant Condition
Interventions
aminolevulinic acid, laser therapy
Drug · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Oct 10, 2026, 3:19 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Comparison of Two Modes of Photodynamic Therapy for the Treatment of Actinic Keratosis on the Upper Extremities

NCT05359419
View directory record Official record
Conditions
Skin Neoplasms
Interventions
aminolevulinic acid hydrochloride gel, 10%, aminolevulinic acid HCl topical solution, 20%
Combination Product
Lead sponsor
Goldman, Butterwick, Fitzpatrick and Groff
Other
Eligibility
35 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Oct 10, 2026, 3:19 PM EDT
Not yet recruiting Early Phase 1 Interventional

5-AminoLevulinic Acid Aided Resection Margins in Sarcoma

NCT07038278
View directory record Official record
Conditions
Soft Tissue Sarcoma (STS)
Interventions
5-ALA
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 10, 2026, 3:19 PM EDT
Suspended Phase 1 Interventional

Phase I Study in Advanced Malignancies With 5-ALA

NCT04381806
View directory record Official record
Conditions
Solid Tumor
Interventions
5-ALA
Drug
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 10, 2026, 3:19 PM EDT
Recruiting Phase 2 Interventional

Photodynamic Diagnosis of Upper Tract Urothelial Carcinoma Using Fluorescence Endoscopy and Oral 5-ALA

NCT06948552
View directory record Official record
Conditions
Upper Tract Urothelial Carcinoma
Interventions
5-Aminolevulinic acid Hydrochloride (Gliolan®)
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 10, 2026, 3:19 PM EDT
Withdrawn Not applicable Interventional

Photodynamic Therapy Mediated by Topical Application of 5- ALA for the Treatment of Actinic Keratoses

NCT00814528
View directory record Official record
Conditions
Actinic Keratosis
Interventions
5-ALA plus Blu-Light, 5-FU, Imiquimod or treatment with cryotherapy
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 95 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 10, 2018 · Synced Oct 10, 2026, 3:19 PM EDT
Completed Phase 1 Interventional

Fluorescence Guided Resection of Brain Tumors

NCT00870779
View directory record Official record
Conditions
Brain Tumors
Interventions
5-aminolevulinic acid
Drug
Lead sponsor
David W. Roberts
Other
Eligibility
21 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jun 14, 2019 · Synced Oct 10, 2026, 3:19 PM EDT
Terminated Phase 1 Interventional

Photodynamic Therapy Using Aminolevulinic Acid in Treating Patients With Oral Leukoplakia

NCT00571558
View directory record Official record
Conditions
Oral Leukoplakia
Interventions
aminolevulinic acid hydrochloride, photodynamic therapy, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
4
States / cities
Chicago, Illinois • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 9, 2014 · Synced Oct 10, 2026, 3:19 PM EDT
Terminated Not applicable Interventional Results available

Effect of Isoniazid on Protoporphyrin Levels in Erythropoietic Protoporphyria

NCT01550705
View directory record Official record
Conditions
Erythropoietic Protoporphyria (EPP), X Linked Erythropoietic Protoporphyria
Interventions
Isoniazid
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 16, 2017 · Synced Oct 10, 2026, 3:19 PM EDT
Terminated Phase 1 Interventional

Aminolevulinic Acid During Surgery in Treating Patients With Malignant Brain Tumors

NCT01148966
View directory record Official record
Conditions
Adult Anaplastic Astrocytoma, Adult Anaplastic Oligodendroglioma, Adult Giant Cell Glioblastoma, Adult Glioblastoma, Adult Gliosarcoma, Adult Mixed Glioma, Recurrent Adult Brain Tumor
Interventions
aminolevulinic acid, laboratory biomarker analysis, therapeutic conventional surgery
Drug · Other · Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Oct 10, 2026, 3:19 PM EDT