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 HRO350 was approved in the United Kingdom (UK). Arctic Bioscience announced that the CTA also has been approved in Norway, Finland, Germany and Poland. As announced on January 31st, 2023, Arctic Bioscience met a key milestone when the first patient was 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.

The study is now also approved in the EU/EEA. With these approvals, company have achieved inclusion of all five countries company had intended for in the study. Sites in the EU/EEA countries participating in the trial will be activated and recruitment of patients can start in these countries.

The large, international HeROPA study will include 519 patients in these five countries. A six-month inclusion period is expected, with first data readout six months after last patient is enrolled.