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Chlorin E6

Phase 3

Diabetic Foot Ulcer (DFU) | Small molecule | Metabolic |United Therapeutics Corporation|Last Updated: Apr 7, 2026

Target and mechanism

ModalitySmall molecule

Also known as Chlorin E6 Gel

Success Probability

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Market & Valuation

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Trial Design

RandomizedNO_TREATMENT_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment300

FDA Designations

No designations recorded

Clinical trial landscape

Chlorin E6 · 1 trial · 1 indication

Phase 3 1
NCT07488247Phase IIb and III Safety and Efficacy Study Chlorin E6 Gel Photodynamic Therapy for Diabetic Foot Ulcers:Diabetic Foot Ulcer (DFU)
RECRUITING300 Analytics
PHASE3RECRUITING
Phase IIb and III Safety and Efficacy Study Chlorin E6 Gel Photodynamic Therapy for Diabetic Foot Ulcers:
Diabetic Foot Ulcer (DFU)Unlock trial analytics

Study Endpoints

Primary Endpoints

Number of adverse event experienced by participants
03 months

Adverse events will include those that are related to study intervention.

Efficacy of Chlorin E6-mediated PDT
3 months

To determine the effect of Chlorin E6 on the healing of diabetic foot ulcers, defined by a reduction in size and depth of ulcer

Eradication Ratio of Pathogenic Bacteria
03 months

To determine the eradication ratio of pathogenic bacteria through the synergistic effect of local Chlorin E6-mediated Photodynamic Therapy

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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Group A (IP+PDT+SOC)EXPERIMENTALThis group will be provided with Standard of Care treatment for DFU, along with IP application and PDT
Group B (SOC Only)NO_INTERVENTIONThis group will only receive the Standard of Care treatment for DFU

Interventions

NameTypeDescription
Chlorin E6 GelCOMBINATION_PRODUCTThe Group A participants in this study were received Chlorin E6 Gel-mediated Photodynamic Therapy for the management of Diabetic Foot Ulcers
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: 1. Patients with diagnosis of Diabetes mellitus, with diabetic foot ulcer. 2. Males and females subject of age 18 years and above. 3. HbA1c of less than 12% and random blood sugars of less than 350 mg/dl. 4. Vitally stable patient with no clinical signs of sepsis, a qSOFA (quick...

Countries:Pakistan
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Frequently asked questions about Chlorin E6

What is Chlorin E6 used for?

Chlorin E6 is an investigational small molecule being developed for the treatment of Diabetic Foot Ulcer (DFU). It is formulated as a gel and administered as photodynamic therapy. The drug is currently in Phase 3 clinical development and has not been approved by regulatory authorities.

What does Chlorin E6 target?

Chlorin E6 is a photosensitizing agent used in photodynamic therapy. When activated by light, it generates reactive oxygen species that can destroy targeted cells. In the context of diabetic foot ulcers, this mechanism is being studied to promote wound healing and reduce infection.

Who makes Chlorin E6?

Chlorin E6 is being developed by United Therapeutics Corporation, a publicly traded company listed on the NASDAQ under the ticker symbol UTHR. The company is conducting clinical trials to evaluate the safety and efficacy of Chlorin E6 Gel for the treatment of diabetic foot ulcers.

What phase is Chlorin E6 in?

Chlorin E6 is currently in Phase 3 clinical development. It is an investigational drug and has not been approved by the FDA or any other regulatory agency. The ongoing Phase 3 trial is actively recruiting participants to assess the treatment's effectiveness for diabetic foot ulcers.

What clinical trials is Chlorin E6 in?

Chlorin E6 is being evaluated in a Phase 3 clinical trial registered as NCT07488247. This randomized, biomarker-selected study is recruiting 300 participants aged 18 years and older in Pakistan. The trial is designed to assess the safety and efficacy of Chlorin E6 Gel photodynamic therapy for diabetic foot ulcers.

Is Chlorin E6 the same as Chlorin E6 Gel?

Yes, Chlorin E6 is also known as Chlorin E6 Gel. The gel formulation is the specific dosage form being tested in clinical trials for the treatment of diabetic foot ulcers. Both names refer to the same investigational drug product developed by United Therapeutics Corporation.