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Ongoing Clinical Trials

Science of Silver

TPT Pivotal Clinical Trials

Sienna’s pivotal clinical trials for our TPT therapy with SNA-001 for acne with the 755 nm laser and SNA-001 for reduction of light-pigmented hair are ongoing. If you are interested in learning more about the acne pivotal clinical trial, please visit our clinical trial site at

Topical by Design Phase 2 Clinical Trial

Sienna is enrolling psoriasis patients in an exploratory Phase 2 clinical trial with SNA-120 in subjects treated with calcipotriene. Please click on the following links to learn more about the SNA-120 clinical trial.

Safety, Tolerability and Efficacy of SNA-120 for Treatment of Pruritus and Psoriasis in Subjects Treated With Calcipotriene
Click here

Sienna is not currently providing access to any investigational therapies under an expanded access program. We encourage any person interested in gaining access to our potential medicines to consult their physician regarding the possibility of participating in one of our clinical trials.

Questions about our expanded access policy or information about our clinical trials may be submitted to



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