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ABI-1179

Phase 1

Recurrent Genital Herpes Simplex Type 2 | Small molecule | Infectious Disease |Assembly Biosciences, Inc.|Last Updated: Mar 23, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment103

FDA Designations

No designations recorded

Clinical trial landscape

ABI-1179 · 1 trial · 1 indication

Phase 1 1
NCT06698575A Study to Assess the Safety, Pharmacokinetics, and Tolerability of ABI-1179 in Healthy Subjects and in Subjects Seropositive for HSV-2 With Recurrent Genital HerpesRecurrent Genital Herpes Simplex Type 2
COMPLETED103 Analytics
PHASE1COMPLETED
A Study to Assess the Safety, Pharmacokinetics, and Tolerability of ABI-1179 in Healthy Subjects and in Subjects Seropositive for HSV-2 With Recurrent Genital Herpes
Recurrent Genital Herpes Simplex Type 2Unlock trial analytics

Study Endpoints

Primary Endpoints

Area Under the Plasma Concentration Time Curve, (AUC) of ABI-1179
SAD Cohorts: before and at pre-specified timepoints up to 144 hours after dosing. MAD Cohorts: before and at pre-specified time points up to 8 hours after dosing.
Maximum Observed Plasma Concentration (Cmax) of ABI-1179
SAD Cohorts: before and at pre-specified timepoints up to 144 hours after dosing. MAD Cohorts: before and at pre-specified time points up to 8 hours after dosing.
Time to Cmax (Tmax) of ABI-1179
SAD Cohorts: before and at pre-specified timepoints up to 144 hours after dosing. MAD Cohorts: before and at pre-specified time points up to 8 hours after dosing.
Apparent Terminal Elimination Half Life ( t 1/2) ABI-1179
SAD Cohorts: before and at pre-specified timepoints up to 144 hours after dosing. MAD Cohorts: before and at pre-specified time points up to 8 hours after dosing.
Apparent Systemic Clearance (CL/F) of ABI-1179
SAD Cohorts: before and at pre-specified timepoints up to 144 hours after dosing. MAD Cohorts: before and at pre-specified time points up to 8 hours after dosing.
Apparent Volume of Distribution (Vz/F) of ABI-1179
SAD Cohorts: before and at pre-specified timepoints up to 144 hours after dosing. MAD Cohorts: before and at pre-specified time points up to 8 hours after dosing.
Dose normalized AUCs and Cmax of ABI-1179
SAD Cohorts: before and at pre-specified timepoints up to 144 hours after dosing. MAD Cohorts: before and at pre-specified time points up to 8 hours after dosing.
Proportion of subjects with adverse events (AEs), premature treatment discontinuation due to AE's and abnormal laboratory results.
Up to 56 days after last dose.

Secondary Endpoints

SAD Cohorts: Comparison of Plasma AUC between fasted and fed treatments
MAD Cohorts: At pre-specified time points from Days 8 to 36.
SAD Cohorts: Comparison of plasma Cmax between fasted and fed treatments
SAD Cohorts: before and at pre-specified timepoints up to 144 hours after dosing.
MAD Cohort: If applicable comparison of plasma AUC and Cmax with and without loading doses
MAD Cohorts At pre-specified timepoints from Days 8 to 36
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part A: SAD Cohorts 1-5, ABI-1179EXPERIMENTALSingle dose of ABI-1179 (tablet) in Part A for cohorts 1-5
Part A:SAD Cohorts 1-5, PlaceboPLACEBO_COMPARATORSingle dose of matching placebo (tablet) in Part A for Cohorts 1-5
Part A: (SAD) Fed Cohort 6 or 7, ABI-1179EXPERIMENTALSingle dose of ABI-1179 (tablet) in Part A for Cohort 6 or 7, food effect
Part B: MAD Cohorts 1-4, ABI-1179EXPERIMENTALWeekly dose ofABI-1179 (tablet) in Part B for Cohorts 1-4. May have loading dose.
Part B: MAD Cohorts 1-4 PlaceboPLACEBO_COMPARATORWeekly dose of matching placebo (tablet) in Part B for Cohorts 1-4.

Interventions

NameTypeDescription
ABI-1179DRUGOnce daily tablet dosing (SAD), or weekly tablet dosing over 29 days (MAD)
ABI-1179 PlaceboDRUGOnce daily tablet dosing (SAD), or weekly tablet dosing over 29 days (MAD)
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Eligibility Criteria

Age Range18 Years to 60 Years
SexALL
Healthy VolunteersYes
Study Sites18

Part A: Inclusion Criteria: * Subject has a body mass index (BMI) between ≥18.0 and \<32.0 kg/m2 * In good health (as determined by the Investigator) based on medical history, physical examination, ECG, and clinical laboratory results. * Female subjects must be non-pregnant and have a negative seru...

Countries:United StatesAustraliaNew Zealand
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Frequently asked questions about ABI-1179

What is ABI-1179 used for?

ABI-1179 is an investigational small molecule being developed for recurrent genital herpes simplex type 2 (HSV-2). It is currently in Phase 1 clinical development and is not approved by the FDA. The drug is being studied in healthy subjects and in subjects seropositive for HSV-2 with recurrent genital herpes.

Who makes ABI-1179?

ABI-1179 is being developed by Assembly Biosciences, Inc., a biopharmaceutical company traded on NASDAQ under the ticker ASMB. The company is conducting clinical trials to evaluate the safety, pharmacokinetics, and tolerability of ABI-1179 in subjects with recurrent genital herpes simplex type 2.

What phase is ABI-1179 in?

ABI-1179 is in Phase 1 clinical development. A Phase 1 study has been completed, evaluating the safety, pharmacokinetics, and tolerability of the drug in healthy subjects and in subjects seropositive for HSV-2 with recurrent genital herpes. The drug is investigational and has not been approved by regulatory authorities.

What clinical trials is ABI-1179 in?

ABI-1179 has one completed Phase 1 clinical trial, registered as NCT06698575. The study assessed the safety, pharmacokinetics, and tolerability of ABI-1179 in healthy subjects and in subjects seropositive for HSV-2 with recurrent genital herpes. The trial enrolled 103 participants across the United States, Australia, and New Zealand.

Is ABI-1179 FDA approved?

ABI-1179 is not FDA approved. It is an investigational drug currently in Phase 1 clinical development for recurrent genital herpes simplex type 2. The drug has completed a Phase 1 trial, but it has not yet received regulatory approval for any indication.