An adverse event is any unfavourable and unintended signs (including abnormal laboratory findings), symptoms, or diseases temporally associated with use of medicinal product, whether or not considered related to medicinal product. Serious adverse event is any AE that resulted in death, life-threatening, inpatient hospitalization or prolongation of existing hospitalization, persistent or significant disability or incapacity, is a congenital anomaly/birth defect in offspring of a study participant, is an important medical event that may jeopardize the participant or may require medical intervention. TEAEs are defined as events present at baseline that worsened in intensity after administration of study drug or events absent at baseline that emerged after administration of study drug and up to Day 240.

TEAEs observed in participants with clinically significant ECG abnormalities were reported.

Vital sign parameters included blood pressure, heart rate, and temperature. TEAEs observed in participants with clinically significant vital signs abnormalities were reported.

Adverse events observed in participants with clinically significant physical abnormalities were assessed.

An abnormal laboratory finding which required an action or medical intervention by the investigator, or a finding judged by the investigator as medically significant should be reported as an adverse event. Laboratory evaluation (haematology, serum chemistry and urinalysis) of blood and urine samples were performed.

Adverse events of special interest observed in participants with clinically significant injection site reaction were assessed.