Phase 2
N=10
HyBryte (Synthetic Hypericin) Versus Valchlor (Mechlorethamine) in the Treatment of CTCL
Cutaneous T-Cell Lymphoma/Mycosis Fungoides
Bottom Line
View on ClinicalTrials.gov: NCT06149247 ↗Enrolled (actual)
10
Serious AEs
0.0%
Results posted
Aug 2025
Primary outcome: Primary: Number of Participants With a Treatment Response in the Modified Composite Assessment of Index Lesion Disease Severity (mCAILS) Score — 3; 1 Participants
Study Design & Population
- Study type
- Interventional
- Phase
- Phase 2
- Interventions
- Hypericin (Drug); Mechlorethamine Topical Gel (Drug)
- Age
- Adult, Older Adult · 18+ yrs
- Sex
- All
- Sponsor
- Soligenix
- Primary completion
- May 2024
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Number of Participants With a Treatment Response in the Modified Composite Assessment of Index Lesion Disease Severity (mCAILS) Score |
3; 1 | — |
Summary
The objective of this clinical study is to compare the safety and effectiveness of Valchlor versus HyBryte following 12 weeks of treatment.
Eligibility Criteria
Inclusion Criteria
- Minimum of 3 active treatment-accessible CTCL lesions
- Subjects must have a clinical diagnosis of cutaneous T-cell lymphoma (CTCL, mycosis fungoides), Stage IA, IB, or Stage IIA
- Subjects willing to follow the clinical protocol and voluntarily give their written informed consent
- Female subjects not pregnant nor nursing and willing to undergo a pregnancy test within 30 days prior to treatment initiation
Exclusion Criteria
- History of severe allergic reaction to any of the components of HyBryte or mechlorethamine (Valchlor)
- Pregnancy or mothers who are breast-feeding
- All women of childbearing potential (WOCBP) and males with female partners who are WOCBP not willing to use effective contraception
- Subjects with history of sun hypersensitivity or photosensitive dermatoses (eg, porphyria, systemic lupus erythematosus (SLE), Sjogren's syndrome, etc.)
- Subjects whose condition is spontaneously improving
- Subjects receiving Valchlor (or any topical compound containing Mechlorethamine) in the preceding 2 months
- Subjects receiving topical steroids or other topical treatments (eg, targretin gel) on treatment accessible lesions for CTCL within 2 weeks of enrollment
- Subjects receiving systemic steroids, psoralen ultraviolet A (UVA) radiation therapy (PUVA), narrow band ultraviolet B (UVB) light therapy (NB-UVB) or carmustine (BCNU) or other systemic therapies for CTCL within 3 weeks of enrollment
- Subjects who have received electron beam irradiation within 3 months of enrollment
- Subjects with a history of significant systemic immunosuppression
- Subjects taking other investigational drugs or drugs of abuse within 30 days of enrollment
- Subject has any condition that, in the judgment of the Investigator, is likely to interfere with participation in the study
- Subjects receiving drugs known to cause photosensitization within 2 weeks of starting HyBryte therapy unless they have not had evidence of photosensitization after receiving a stable dose of the medication for a minimum of 4 weeks
Data sourced from ClinicalTrials.gov (NCT06149247). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.