Sirona Biochem's Skin Lightening Agent Found To Be Safe At Higher Dose

Sirona Biochem Corp. (SBM.V) (SRBCF.OB) announced that its investigative skin lightening compound TFC-1067 has been successfully completed a toxicology test for an increased dose of 0.4%, in preparation for the new clinical study.

In the first required toxicity study of the increased dose of TFC-1067 done in France, TFC-1067 0.4% was found to be non-irritant in all 12 subjects for a period of 48 hrs. TFC-1067 0.2% has already been proven superior to hydroquinone 2% in creating a uniform skin tone.

Sirona is currently carrying out a second required toxicity study. In this study, which is a human repeat insult patch test (HRIPT), volunteers will have repeat doses of TFC-1067 administered on a patch in 3 consecutive weeks. The results of the study are expected in the first quarter of 2020.

SRBCF.OB closed Tuesday's trading at $0.319.

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