To investigate the safety/tolerability and pharmacokinetic characteristics after single intravenous (IV) administration of hzVSF-v13 (humanized Virus Suppressing Factor-variant 13) in healthy male volunteers

Dose blocked-randomized, double-blind, placebo controlled, single dose, dose-escalation study to investigate the safety/tolerability and pharmacokinetic characteristics of hzVSF-v13 after IV administration in healthy male volunteers

Inclusion Criteria:

• Healthy males aged 19 to 45 years at the time of the screening visit
• Individuals with a BMI of at least 18 kg/m2 and up to 27.0 kg/m2 weighed more than 55 kg and less than 90 kg at the time of the screening visit
• Individuals deemed clinically healthy based on medical history, physical examination, vital signs, electrocardiography (ECG), and appropriate clinical laboratory tests (provided that individuals outside the normal range may participate subject to investigator discretion)
• Individuals who have agreed to use a medically acceptable method of dual contraception and not to donate sperm from the first day until 30 days after the last day of investigational product administration
• Individuals who have voluntarily decided to participate in this clinical study and have given written consent to comply with the requirements of the study

Exclusion Criteria:

• Individuals with a clinically significant hepatic, renal, digestive, respiratory, musculoskeletal, endocrine, neurologic, psychological, hematologic, oncologic, cardiovascular, or other disease or history
• Individuals with a clinically significant history of sensitivity to the components of hzVSF-v13, drugs containing components of the same series, or other drugs (aspirin, non-steroidal anti-inflammatory drugs, antibiotics, etc.)
• Individuals testing positive in the immunogenicity test for hzVSF-v13 conducted during screening
• Individuals who have a history of drug abuse, or who turns out "positive" in test for abuse-likely drugs in the urine drug screening test
• Individuals with abnormal results for any of the following vital signs at the time of the screening visit A. Systolic blood pressure: < 90 mmHg or > 140 mmHg B. Diastolic blood pressure: < 50 mmHg or > 90 mmHg C. Heart rate: < 50 bpm or > 90 bpm
• Individuals with abnormal results for any of the following ECG items at the time of the screening visit A. PR (Pulse rate): > 210 msec B. QRS complex : > 120 msec * QRS complex is the name for the combination of three of the graphical deflections seen on a typical electrocardiogram (EKG or ECG) C. QTc (Corrected QT interval): > 450 msec
• Individuals who have participated in another clinical study or bioequivalence study in the 3 months prior to the first day of administration
• Individuals who have donated whole blood within the 2 months prior to the first day of administration, or donated blood components or received blood within the 1 month prior to the first day of administration
• Individuals who have taken barbitals or other drug-metabolizing enzyme inducers or inhibitors within the 1 month prior to screening
• Individuals who have consumed grapefruit or caffeine-containing foods within 3 days of the first administration, and individuals who are unable to avoid consuming grapefruit-containing foods from 3 days prior to admission until the date of discharge
• Individuals who have taken prescription drugs or oriental medications within 2 weeks prior to the first day of administration, or who have taken over-the-counter (OTC) drugs within the 1 week prior to the first day of administration (provided that individuals who meet other requirements may participate in the clinical study subject to investigator discretion)
• Individuals who consume high amounts of caffeine or alcohol and individuals who are heavy smokers (caffeine > 5 units/day, alcohol > 21 units/week (1 unit = 10 mL of pure alcohol), smoking > 10 cigarettes/day)
• Individuals who are unable to eat meals provided by the institution
• Individuals who have participated in the present study
• Individuals who test positive (for hepatitis B, human immunodeficiency virus (HIV), hepatitis C) on serological testing
• Individuals with veins that are not suitable for intravenous catheter insertion or multiple venipunctures
• Individuals who do not agree to use a medically acceptable method of dual contraception from the first day until 30 days after the last day of investigational product administration
• Other individuals deemed unsuitable as a subject by an investigator

Up to 92 Days after dosing date (Day1).

A total of 55 subjects were administered the investigational product, and a total of 52 cases of treatment emergent adverse events(TEAEs) were collected from 19 subjects (34.55%). There were no subjects that had reported serious adverse events. 4 cases of adverse events collected from 3 subjects were moderate, and all other adverse events were mild. There were no severe adverse events collected. The most common TEAE was oropharyngeal pain, 7 cases thereof were collected from 7 subjects (12.73%).