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Quoin Pharmaceuticals Announces Additional Positive ‘Whole Body’ Clinical Data from Ongoing Pediatric Netherton Syndrome Study and Approval to Initiate Testing of a Second Pediatric Patient

Quoin Pharmaceuticals Ltd. (NASDAQ: QNRX) (the “Company” or “Quoin”), a late clinical stage, specialty pharmaceutical company focused on the development and commercialization of therapeutic products that treat rare and orphan diseases, today announces additional highly positive clinical data from its ongoing Investigator Pediatric Netherton Syndrome (NS) study. After 6 weeks of continued whole body application of QRX003, the subject’s skin remains almost completely healed demonstrating the durability of ongoing daily treatment with the product. In addition, the patient has continued to have no requirement for previously necessary medications such as antibiotics, antivirals, antihistamines and glucocorticoids. Importantly, with the patient’s pruritus or itch almost completely eliminated, she continues to experience zero nightly sleep disturbances without the need for any sedating medication, marking the first continuous period of uninterrupted sleep in the patient’s life. No adverse events have been reported to date after 6 weeks of whole body treatment with QRX003.

Quoin CEO Dr. Michael Myers, said, “As we continue to monitor the progress of this first patient to receive whole body application with QRX003, we are very pleased to announce that after 6 weeks of dosing we are seeing continued positive improvement and the patient’s skin is almost completely healed now. The patient continues to remain off previously needed medications including antihistamines, antivirals, and glucocorticoids, and she has not needed any antibiotics in the 6 weeks since the initiation of dosing with QRX003. Very importantly also, with her pruritus almost completely eliminated, the patient is still experiencing zero nightly sleep disturbances without the need for any sedating medications. For a majority of Netherton Syndrome patients, the continuous presence of chronically debilitating pruritus is the worst symptom of this disease and it severely impacts their ability to sleep or to even sit still for any period of time. Often heavy sedation is required to allow patients to sleep and sit still, which in turn has a major negative impact on their quality of life. The almost complete healing of the skin and the elimination of this chronically debilitating pruritus provides strong clinical evidence that QRX003 is successfully tackling the root causes of this disease and not merely providing symptomatic relief. Furthermore, I am very pleased to report that no adverse events have been reported after six full weeks of whole-body application of QRX003. Based on these positive results, approval has been received to initiate whole body application of QRX003 to a second pediatric Netherton patient. Testing is expected to commence in just a few weeks and we look forward to providing updates on both patients progress as we continue with our plans to further expand this study to include additional pediatric subjects.”

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