A Study Investigating Oral Semaglutide in People with Open-Angle Glaucoma

Inclusion Criteria: * Ability to read and speak Danish * 45 years or older at the time of inclusion * Visual acuity equal to or above 0.5 in the study eye * Diagnosis of POAG with MD ≤ 16 dB with repeatable and reliable (false positive less than 15 %) VF loss measured by standard automated perimetry on at least one eye * Receiving IOP-lowering glaucoma treatment * Nerve fiber layer defects identified by OCT Exclusion Criteria: * Diabetes or renal impairment * Medical history of significant eye disease (including ocular trauma) other than glaucoma * Ocular inflammation/infection within three months from inclusion * Intraocular surgery 3 months before inclusion * Smoker at the time of inclusion * Pregnant or breast-feeding * Females of childbearing potential who are not using adequate contraceptive, which includes the following: Combined (estrogen and progestogen containing) hormonal contraception associated with inhibition of ovulation: oral, intravaginal, or transdermal, progestogen-only hormonal contraception associated with inhibition of ovulation: oral, injectable, or implantable; Intrauterine device (IUD); Intrauterine hormone-releasing system (IUS); Bilateral tubal occlusion; Vasectomised partner; Sexual abstinence * Subjects allergic to drug ingredients administered during the trial * Subjects with untreated severe systemic disease or malignancies * Previous history of pancreatitis * BMI \< 18.5 * Subjects receiving treatment with: Dipeptidyl peptidase-4 inhibitors; Other GLP-1RAs; Insulin; Insulin analogues; Sulfonylurea; Systemic corticosteroids; Immunosuppressants