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ALG-055009

Phase 2

NASH | Small molecule | Metabolic |Aligos Therapeutics, Inc.|Last Updated: Jul 9, 2025

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment102

FDA Designations

No designations recorded

Clinical trial landscape

ALG-055009 · 4 trials · 7 indications

Phase 2 1Phase 1 3
NCT06342947ALG-055009 in Non-cirrhotic Adults With MASH (HERALD)NASH
COMPLETED102 Analytics
PHASE2COMPLETED
ALG-055009 in Non-cirrhotic Adults With MASH (HERALD)
NASHUnlock trial analytics

Study Endpoints

Primary Endpoints

Percent relative change from baseline in liver fat content
12 weeks

Percent relative change from baseline in liver fat content by MRI-PDFF at Week 12

AUC0-24 of ALG-055009 in Plasma
12 days

AUC0-24, of ALG-055009 in plasma following single dose administration of 0.7 mg ALG-055009 Formulation 1 and Formulation 2

AUClast of ALG-055009 in Plasma
12 days

AUClast of ALG-055009 in plasma following single dose administration of 0.7 mg ALG-055009 Formulation 1 and Formulation 2

AUCinf of ALG-055009 in Plasma
12 days

AUCinf of ALG-055009 in plasma following single dose administration of 0.7 mg ALG-055009 Formulation 1 and Formulation 2

Tmax of ALG-055009 in Plasma
12 days

Tmax of ALG-055009 in plasma following single dose administration of 0.7 mg ALG-055009 Formulation 1 and Formulation 2

Cmax of ALG-055009 in Plasma
12 days

Cmax of ALG-055009 in plasma following single dose administration of 0.7 mg ALG-055009 Formulation 1 and Formulation 2

C24 of ALG-055009 in Plasma
12 days

C24 of ALG-055009 in plasma following single dose administration of 0.7 mg ALG-055009 Formulation 1 and Formulation 2

C0 (predose) of ALG-055009 in Plasma
12 days

C0 (predose) of ALG-055009 in plasma following single dose administration of 0.7 mg ALG-055009 Formulation 1 and Formulation 2

t½ of ALG-055009 in Plasma
12 days

t½ of ALG-055009 in plasma following single dose administration of 0.7 mg ALG-055009 Formulation 1 and Formulation 2

Area under the concentration time curve [AUC]
23 days

Pharmacokinetic parameters of atorvastatin and applicable metabolites

Time to maximum plasma concentration [Tmax]
23 days

Pharmacokinetic parameters of atorvastatin and applicable metabolites

Maximum plasma concentration [Cmax]
23 days

Pharmacokinetic parameters of atorvastatin and applicable metabolites

Minimum plasma concentration [Cmin]
23 days

Pharmacokinetic parameters of atorvastatin and applicable metabolites

C0 [predose]
23 days

Pharmacokinetic parameters of atorvastatin and applicable metabolites

Half-life [t1/2]
23 days

Pharmacokinetic parameters of atorvastatin and applicable metabolites

Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]
Up to 14 days for Part 1

The number and severity of treatment emergent adverse events as assessed by DAIDS v2.1

Secondary Endpoints

Absolute change from baseline in liver fat content
12 weeks
Proportion of subjects with ≥30% relative reduction in liver fat content
12 weeks
Proportion of subjects with ≥50% relative reduction in liver fat content
12 weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ALG-055009 softgel capsule 0.3mgEXPERIMENTALALG-055009 softgel capsule 0.3mg Daily for 12 weeks
ALG-055009 softgel capsule 0.5mgEXPERIMENTALALG-055009 softgel capsule 0.5mg Daily for 12 weeks
ALG-055009 softgel capsule 0.7mgEXPERIMENTALALG-055009 softgel capsule 0.7mg Daily for 12 weeks
ALG-055009 softgel capsule 0.9mgEXPERIMENTALALG-055009 softgel capsule 0.9mg Daily for 12 weeks
PlaceboPLACEBO_COMPARATORPlacebo softgel capsule Daily for 12 weeks
Sequence AEXPERIMENTALSingle dose PO administration of 0.7 mg ALG-055009 (Formulation 1; Day 1), then a washout period of at least 7 days, followed by single dose PO administration of 0.7 mg ALG-055009 (Formulation 2; Day 8)
Sequence BEXPERIMENTALSingle dose PO administration of 0.7 mg ALG-055009 (Formulation 2; Day 1), then a washout period of at least 7 days, followed by single dose PO administration of 0.7 mg ALG-055009 (Formulation 1; Day 8)
Atorvastatin with ALG-055009EXPERIMENTALSingle dose PO administration of 40 mg atorvastatin (Day 1), then a washout period of at least 2 days, followed by PO QD administration of 0.9 mg ALG-055009 for 14 days (Days 3-16) and single dose PO administration of 40 mg atorvastatin (Day 15).
Rosuvastatin with ALG-055009 (optional)EXPERIMENTALSingle dose PO administration of 10 mg rosuvastatin (Day 1), then a washout period of at least 4 days, followed by PO QD administration of 0.9 mg ALG-055009 for 11 days (Days 5-15) and single dose PO administration of 10 mg rosuvastatin (Day 11).
ALG-055009EXPERIMENTALOral dose(s) of ALG-055009 in Healthy Volunteer or subjects with mild hyperlipidemia once daily up to 14 days

Interventions

NameTypeDescription
ALG-055009DRUGSoftgel Capsule
PlaceboDRUGSoftgel Capsule
AtorvastatinDRUG40 mg
RosuvastatinDRUG10 mg
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites40

Key Inclusion Criteria: * Male or female, 18 to 75 years of age * Body mass index (BMI) ≥ 25 kg/m2 * Diagnosis of presumed NASH/MASH with F1-F3 liver fibrosis based on one of the following: * Liver biopsy within 6 months prior to screening showing a NAFLD activity score (NAS) of ≥4 with at least...

Countries:United StatesFrance
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Frequently asked questions about ALG-055009

What is ALG-055009 used for?

ALG-055009 is an investigational small molecule being developed for nonalcoholic steatohepatitis (NASH), also known as metabolic dysfunction-associated steatohepatitis (MASH). It has been studied in healthy volunteers and in non-cirrhotic adults with MASH, including a Phase 2 trial called HERALD.

Who makes ALG-055009?

ALG-055009 is being developed by Aligos Therapeutics, Inc., a biopharmaceutical company traded on NASDAQ under the ticker ALGS.

What phase is ALG-055009 in?

ALG-055009 has completed Phase 1 trials in healthy volunteers and subjects with hyperlipidemia, and a Phase 2 trial in non-cirrhotic adults with MASH. It is an investigational drug and has not been approved by the FDA.

What clinical trials is ALG-055009 in?

ALG-055009 has been studied in several completed trials, including NCT05090111 in healthy volunteers and subjects with hyperlipidemia, NCT06191991 evaluating drug-drug interactions with statins, NCT06342947 (HERALD) in non-cirrhotic adults with MASH, and NCT06959888 evaluating the bioavailability of different formulations.

What does ALG-055009 target?

ALG-055009 is a small molecule therapeutic. Its specific molecular target has not been disclosed in the available clinical trial information.

Is ALG-055009 the same as any other drug?

ALG-055009 is the primary name used in clinical trials. No alternative names have been reported in the available data.