Genryzon (Somatrogon) 24 mg / 1.2 ml is a long-acting recombinant human growth hormone (rhGH) analog produced by Pfizer Ltd.. It is primarily used to treat growth hormone deficiency (GHD) in children and adolescents aged 3 years and older. Unlike traditional growth hormone treatments like Genotropin (Somatropin), which often require daily injections, Genryzon is designed for once-weekly subcutaneous administration.