Intervention: Semaglutide
Trial phase: Phase 3
ATC code: A10BJ06
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Sex: All
Age groups: Adult | Older Adult
Healthy volunteers: No
Participants at risk: 130
Group description: Participants were to take oral semaglutide tablets once-daily in a dose escalation manner from week 0 to week 52: 3 mg from week 0 to week 4, 7 mg from week 4 to week 8 and 14 mg from week 8 to week 52. In addition, participants were to continue their pre-trial OAD (either of sulphonylurea, glinide, thiazolidinedione, alpha-glucosidase inhibitor or SGLT-2 inhibitor) from week 0 to week 52.
Eligibility criteria:
Inclusion Criteria:

Informed consent obtained before any trial-related activities. Trial-related activities are any procedures that are carried out as part of the trial, including activities to determine suitability for the trial
Japanese male or female, age above or equal to 20 years at the time of signing informed consent
Diagnosed with type 2 diabetes mellitus for at least 60 days prior to day of screening
HbA1c (glycosylated haemoglobin) between 7.0%-10.5% (53-91 mmol/mol) (both inclusive)
OAD (oral antidiabetic drug) monotherapy with stable daily dose for at least 60 days prior to the day of screening of one of SU (sulphonylurea) glinide , TZD (thiazolidinedione), α-GI (alpha-glucosidase inhibitor) or SGLT-2 (sodium-glucose cotransporter-2) inhibitor according to Japanese labelling

Exclusion Criteria:

Female who is pregnant, breast-feeding or intends to become pregnant or is of child-bearing potential and not using an adequate contraceptive method. Adequate contraceptive measures are abstinence (not having sex), diaphragm, condom (by the partner), intrauterine device, sponge, spermicide or oral contraceptives
Any disorder, which in the investigator's opinion might jeopardise subject's safety or compliance with the protocol
Family or personal history of multiple endocrine neoplasia type 2 (MEN 2) or medullary thyroid carcinoma (MTC)
History of pancreatitis (acute or chronic)
History of major surgical procedures involving the stomach potentially affecting absorption of trial product (e.g. subtotal and total gastrectomy, sleeve gastrectomy, gastric bypass surgery)
Any of the following: myocardial infarction, stroke or hospitalisation for unstable angina or transient ischaemic attack (TIA) within the past 180 days prior to the day of screening and randomisation
Subjects presently classified as being in New York Heart Association (NYHA) Class IV
Planned coronary, carotid or peripheral artery revascularisation known on the day of screening
Subjects with alanine aminotransferase (ALT) above 2.5 x upper normal limit (UNL)
Renal impairment defined as estimated glomerular filtration rate (eGFR) below 30 mL/min/1.73 m^2 as per Chronic Kidney Disease Epidemiology Collaboration formula (CKD-EPI)
Treatment with once-weekly glucagon-like peptide-1 receptor agonists (GLP-1 RA) or once weekly dipeptidyl peptidase-4 (DPP-4) inhibitor in a period of 90 days before the day of screening
For subjects treated with an OAD other than TZD at screening: Treatment with TZD in a period of 90 days before the day of screening
Treatment with any medication for the indication of diabetes or obesity in addition to background OAD medication (SU, glinide, TZD, α-GI or SGLT-2 inhibitor) in a period of 60 days before the day of screening with the exception of short-term insulin treatment for acute illness for a total of at least 14 days
Proliferative retinopathy or maculopathy requiring acute treatment. Verified by fundus photography or dilated fundoscopy performed within 90 days prior to randomisation
History or presence of malignant neoplasms within the last 5 years (except basal and squamous cell skin cancer and in situ carcinomas)
History of diabetic ketoacidosis