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Hypericin

Phase 3

CTCL/ Mycosis Fungoides | Small molecule | Oncology |Soligenix, Inc.|Last Updated: Apr 3, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment80
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06470451Confirmatory Study of Topical HyBryte™ vs. Placebo for the Treatment of CTCLPHASE3 RECRUITING 80Jan 7, 2025Oct 1, 2026Apr 3, 202617 United States
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Study Endpoints
Primary Endpoints
Number of Participants with a Treatment Response in the Modified Composite Assessment of Index Lesion Disease Severity (mCAILS) score
18 weeks

A treatment response is defined as a ≥50% improvement in the cumulative mCAILS score of the index lesions at Week 18 when compared to the mCAILS score at baseline. The Modified Composite Assessment of Index Lesion Disease Severity (mCAILS) score measures: Erythema (or redness) on a scale of 0 (no redness) to 8 (very red), Scaling on a scale of 0 (no scaling) to 8 (all of the lesion is covered by a very rough surface), Plaque Elevation on a scale of 0 (no evidence of plaque above normal skin level) to 3 (plaque shows marked elevation above normal skin level) and Surface Area on a scale of 0 (no lesion/surface area is 0 cm\^2) to 18 (the lesion is larger than 300 cm\^2). A lower score means a better outcome.

Secondary Endpoints
Patch Lesion Response Rates
18 weeks
Plaque Lesion Response Rates
18 weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
HyBryte (0.25% Hypericin)EXPERIMENTALHyBryte gel is applied twice weekly for 18 weeks.
PlaceboPLACEBO_COMPARATORPlacebo gel is indistinguishable from HyBryte gel, and is applied twice weekly for 18 weeks.
Interventions
NameTypeDescription
HypericinDRUGHyBryte gel (0.25% hypericin) is applied twice weekly for 18 weeks. Treated lesions are covered with opaque material (such as opaque clothing), followed 21 (±3) hours later by the administration of visible light.
PlaceboDRUGPlacebo gel is applied twice weekly for 18 weeks. Treated lesions are covered with opaque material (such as opaque clothing), followed 21 (±3) hours later by the administration of visible light.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites17

Inclusion Criteria: * Patients must have a clinical diagnosis of cutaneous T-cell lymphoma (CTCL), Stage IA, Stage IB, or Stage IIA. * Patients with a minimum of three (3) evaluable, discrete lesions. * Patients willing to follow the clinical protocol and voluntarily give their written informed con...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06470451primaryCompletionDate: changed
LOWMay 24, 2026NCT06470451studyFirstPostDate: changed