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Phase 2 N=10 Randomized Treatment

HyBryte (Synthetic Hypericin) Versus Valchlor (Mechlorethamine) in the Treatment of CTCL

Cutaneous T-Cell Lymphoma/Mycosis Fungoides

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

OutcomeResultp-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
View full record on ClinicalTrials.gov →

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.

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