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ALG-097558

Phase 1

COVID 19 | Small molecule | Infectious Disease |Aligos Therapeutics, Inc.|Last Updated: May 26, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDBiomarker
Total Trials1
Total Enrollment12
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06698549A Study to Evaluate the Pharmacokinetics, Safety and Tolerability of ALG-097558 in Subjects With Renal Impairment and in Healthy Subjects With Normal Renal FunctionPHASE1 COMPLETED 12Feb 20, 2025Aug 13, 2025May 26, 20263 United States
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Study Endpoints
Primary Endpoints
Area under the concentration time curve [AUC]
Pre-dose (-0.75 hours) up to Day 8

Pharmacokinetic parameters of ALG-097558 and metabolite ALG-097730 in plasma

Maximum plasma concentration [Cmax]
Pre-dose (-0.75 hours) up to Day 8

Pharmacokinetic parameters of ALG-097558 and metabolite ALG-097730 in plasma

Minimum plasma concentration [Cmin]
Pre-dose (-0.75 hours) up to Day 8

Pharmacokinetic parameters of ALG-097558 and metabolite ALG-097730 in plasma

C0 [predose]
Pre-dose (-0.75 hours) up to Day 8

Pharmacokinetic parameters of ALG-097558 and metabolite ALG-097730 in plasma

Half-life [t1/2]
Pre-dose (-0.75 hours) up to Day 8

Pharmacokinetic parameters of ALG-097558 and metabolite ALG-097730 in plasma

Time to maximum plasma concentration [Tmax]
Pre-dose (-0.75 hours) up to Day 8

Pharmacokinetic parameters of ALG-097558 and metabolite ALG-097730 in plasma

Apparent Clearance (CL/F)
Pre-dose (-0.75 hours) up to Day 8

Pharmacokinetic parameters of ALG-097558 and metabolite ALG-097730 in plasma

Apparent Volume of Distribution (V/F)
Pre-dose (-0.75 hours) up to Day 8

Pharmacokinetic parameters of ALG-097558 and metabolite ALG-097730 in plasma

Total Amount of Drug Excreted in Urine (Ae)
Pre-dose (-0.75 hours) up to Day 8

Pharmacokinetic parameters of ALG-097558 and metabolite ALG-097730 in urine

Renal Clearance (CLr)
Pre-dose (-0.75 hours) up to Day 8

Pharmacokinetic parameters of ALG-097558 and metabolite ALG-097730 in urine

Secondary Endpoints
Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]
Up to 20 Days
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Subjects with Severe Renal ImpairmentEXPERIMENTALSubjects with severe renal impairment will receive oral doses of 300 mg ALG-097558 twice daily (every 12 hours \[Q12H\]) for 6 days for 11 total doses.
Subjects with Normal Renal FunctionEXPERIMENTALSubjects with normal renal function will receive oral doses of 300 mg ALG-097558 twice daily (every 12 hours \[Q12H\]) for 6 days for 11 total doses.
Subjects with Mild Renal Impairment (Optional)EXPERIMENTALSubjects with mild renal impairment will receive oral doses of 300 mg ALG-097558 twice daily (every 12 hours \[Q12H\]) for 6 days for 11 total doses.
Subjects with Moderate Renal Impairment (Optional)EXPERIMENTALSubjects with moderate renal impairment will receive oral doses of 300 mg ALG-097558 twice daily (every 12 hours \[Q12H\]) for 6 days for 11 total doses.
Interventions
NameTypeDescription
ALG-097558DRUGMultiple doses of ALG-097558 300 mg (3 x 100 mg tablets)
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersYes
Study Sites3

Inclusion Criteria for All Subjects: 1. Male and Female between 18 and 75 years old 2. Body Mass Index (BMI) 17.5 to 40.0 kg/m\^2 and a total body weight \>50 kg (110 lb) 3. Female subjects must either be not of childbearing potential or if they are a woman of childbearing potential, they are only ...

Countries:United States
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