Arctic Bioscience AS announced that with reference is being made to the stock exchange release from January 12, 2023 where Arctic Bioscience announced that the Clinical Trial Application (CTA) for a Phase IIb clinical trial in mild-to-moderate psoriasis with the investigational medicinal product (IMP) HRO350 was approved in the United Kingdom (UK). Arctic Bioscience has met a key milestone in the drug development program for HRO350. The first patient has been included in the clinical trial "A phase IIb, multicenter, randomized, double-blind, placebo-controlled, dose-finding, efficacy and safety study of HRO350 in patients with mild-to-moderate psoriasis" (the 'HeROPA' study) in the UK.

This is the start of the clinical study. The international study is planned to be conducted in five countries, with a total of 519 patients. A six-month inclusion period is expected, with first data readout six months after last patient is included.

This information is subject to the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.