Enveric Biosciences Reports Positive Preclinical Results from Phototoxicity Analysis for Lead Neuroplastogen Candidate EB-003

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Analysis showed no photoreactive potential for EB-003, further derisking its continued development for the treatment of neuropsychiatric disorders including depression, anxiety and PTSD. Phototoxicity testing is a part of preclinical safety assessment evaluating whether a novel pharmaceutical compound could become harmful when exposed to UV light. CAMBRIDGE, Mass., May 19, 2026--(BUSINESS WIRE)--Enveric Biosciences (NASDAQ: ENVB) ("Enveric" or the "Company"), a biotechnology company advancing novel neuroplastogenic small-molecule therapeutics to address psychiatric and neurological disorders, today announced promising results from preclinical in vitro experiments evaluating the risk for phototoxicity, which indicated no photoreactive potential for EB-003, further derisking its continued development for the chronic treatment of neuropsychiatric disorders. This represents another preclinical safety assessment milestone for Enveric’s neuroplastogen EB-003, the first known compound designed to selectively engage both 5-HT2A and 5-HT1B receptors. EB-003 is intended to deliver fast-acting, durable antidepressant and anxiolytic effects with outpatient convenience. Phototoxicity testing is mandated by regulatory agencies like the FDA under the ICH S10 guideline and is performed to evaluate whether a novel pharmaceutical compound could become harmful when exposed to UV light. Some photoactive chemicals can cause exaggerated sunburn-like reactions, rashes or blistering in sun-exposed tissues such as the eyes and skin, limiting the utility of pharmaceutical products. "The demonstration of limited potential for phototoxicity enhances the favorable safety profile of EB-003," said Joseph Tucker, Ph.D., CEO of Enveric Biosciences. "We continue to de-risk EB-003 as we look forward to initiating first-in-human Phase 1 clinical trials and remain committed to meeting the highest standards of safety as we progress towards the clinic." About Enveric Biosciences Enveric Biosciences (NASDAQ: ENVB) is a biotechnology company focused on developing next-generation, small-molecule neuroplastogenic therapeutics that address unmet needs in psychiatric and neurological disorders. By leveraging a differentiated drug discovery platform and a growing library of protected chemical structures, Enveric is advancing a pipeline of novel compounds design...

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