A First-in-Human Multi-Part Phase 1 Study in Healthy Volunteers to Evaluate the Safety, Tolerability, Pharmacokinetics, and Drug-Drug Interaction Potential of Single and Multiple Doses of ALG-097558

A First-in-Human Multi-Part Phase 1 Study in Healthy Volunteers to Evaluate the Safety, Tolerability, Pharmacokinetics, and Drug-Drug Interaction Potential of Single and Multiple Doses of ALG-097558

A multi-part study of ALG-097558 to evaluate safety, tolerability, pharmacokinetics and drug-drug interaction potential after single and multiple doses in healthy volunteers

Inclusion Criteria for All Subjects:

1. Male and Female between 18 and 55 years old
2. BMI 18.0 to 32.0 kg/m^2
3. Female subjects must have a negative serum pregnancy test at screening
4. Subjects must have a 12-lead electrocardiogram (ECG) that meets the protocol criteria

Exclusion Criteria for All Subjects:

1. Subjects with any current or previous illness that, in the opinion of the Investigator, might confound the results of the study or pose an additional risk in administering study drug to the subject or that could prevent, limit, or confound the protocol specified assessments or study results' interpretation
2. Subjects with a past history of cardiac arrhythmias, risk factors for Torsade de Pointes syndrome (e.g., hypokalemia, family history of long QT Syndrome) or history or clinical evidence at screening of significant or unstable cardiac disease etc.
3. Subjects with a history of clinically significant drug allergy
4. Excessive use of alcohol defined as regular consumption of ≥14 units/week
5. Unwilling to abstain from alcohol use for 1 week prior to start of the study through end of study follow up
6. Subjects with Hepatitis A, B, C, E or HIV-1/HIV-2 infection or acute infections such as SARS- CoV-2 infection
7. Subjects with renal dysfunction (e.g., estimated creatinine clearance <90 mL/min/1.73 m^2 at screening, calculated by the Chronic Kidney Disease Epidemiology Collaboration [CKD-EPI] formula)