Soligenix has received clearance for the Investigational New Drug (IND) application from the US Food and Drug Administration (FDA) for a Phase IIa clinical trial of SGX302 (synthetic hypericin) to treat mild-to-moderate psoriasis.

A new photodynamic therapy (PDT), the visible light-activated synthetic hypericin could potentially avert various long-lasting risks linked to other PDT treatments.

Discover B2B Marketing That Performs

Combine business intelligence and editorial excellence to reach engaged professionals across 36 leading media platforms.

Find out more

The company plans to commence subject enrolment in the trial in the fourth quarter of this year.

The randomised, double-blind, placebo-controlled trial will analyse the safety and efficacy of topical SGX302 for treating psoriasis.

It will enrol up to 32 subjects of the age 18 years or above with mild to moderate, stable psoriasis that covers 2 to 30% of their body. 

Trial subjects will be randomised into a 1:1 ratio to receive SGX302 or a placebo twice a week for up to 18 weeks.

GlobalData Strategic Intelligence

US Tariffs are shifting - will you react or anticipate?

Don’t let policy changes catch you off guard. Stay proactive with real-time data and expert analysis.

By GlobalData

Each treatment will comprise topical SGX302 application followed by visible light activation after nearly 24 hours.

The degree of lesion clearance and subject-reported quality of life indices will be the trial’s efficacy endpoints.

Soligenix president and CEO Christopher Schaber said: “We have clearly validated synthetic hypericin’s biologic activity with the Phase III FLASH study in this orphan disease, where we expect to file a New Drug Application (NDA) in the second half of 2022.

“Given our promising results with hypericin to date, including a small Phase I/II proof of concept clinical trial in mild-to-moderate psoriasis, we are hopeful synthetic hypericin will have a role to play in helping patients suffering from this difficult to treat and chronic disease.”

Clinical Trials Arena Excellence Awards - Nominations Closed

Nominations are now closed for the Clinical Trials Arena Excellence Awards. A big thanks to all the organisations that entered – your response has been outstanding, showcasing exceptional innovation, leadership, and impact.

Excellence in Action
Recognised with 2025 Excellence Awards for Research and Development and Marketing , Novotech converted FDA/EMA fast track designations into faster HDV trial timelines while translating complex HBV science into sponsor ready insights. Discover how this dual strength in execution and communication is reshaping liver disease clinical development.

Discover the Impact