Our grouping. This page groups the registry's lead sponsor names by company — our grouping, not the registry's. It can be wrong or incomplete: an acquired company whose name never mentions its owner may be missing. Use “Something wrong?” under any name below to correct it.
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Assembly Biosciences clinical trials
The registry lists 30 studies whose lead sponsor is Assembly Biosciences or one of 1 company grouped under it. 2 are recruiting or about to start. Per ClinicalTrials.gov, last updated Oct 16, 2026.
Keep track of what changes. Save the Assembly Biosciences studies recruiting or about to start, and get an email each week — studies that open, close, add sites or post results.
Watch these studiesRegistry sponsor names on this page
Each name exactly as ClinicalTrials.gov lists it, and how it relates to Assembly Biosciences.
- Assembly Biosciences23 studiesSame company
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- Ventrus Biosciences, Inc7 studies →Acquired — became part of Assembly Biosciences, Jul 11, 2014 · source ↗
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Focus areas
Conditions Assembly Biosciences leads ten or more studies in, by study count. A broader condition is left out when almost all its studies are already in a narrower one listed here.
Studies
Recruiting first, then most recently updated. Showing 30 of 30.
- A Study to Assess the Safety, Tolerability and Pharmacokinetics of ABI-6250 in Participants With Mild Hepatic Impairment Compared With Participants With Normal Hepatic FunctionNot yet recruitingNCT07850999Phase 1
- A Study to Assess the Safety, Pharmacokinetics, and Efficacy of ABI-6250 in Participants With Chronic Hepatitis D Virus InfectionNot yet recruitingNCT07762027Phase 2
- A Study to Assess the Safety, Pharmacokinetics, and Antiviral Activity of ABI-5366 in Healthy Participants and Participants Seropositive for HSV-2 With Recurrent Genital HerpesCompletedNCT06385327Phase 1
- 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 HerpesCompletedNCT06698575Phase 1
- A Study to Assess the Safety, Tolerability and Pharmacokinetics of ABI-6250 in Healthy ParticipantsCompletedNCT06740474Phase 1
- A Study to Assess the Safety, Pharmacokinetics, and Antiviral Activity of ABI-4334 in Subjects With Chronic Hepatitis B Virus InfectionCompletedNCT06384131Phase 1
- A Study Evaluating Treatment Regimens Containing Vebicorvir (ABI-H0731) in Participants With Chronic Hepatitis B InfectionTerminatedNCT04820686Phase 2
- A Study Evaluating ABI-H0731-containing Regimens in Chinese Participants With Chronic Hepatitis B Virus InfectionTerminatedNCT04781647Phase 2
- A First in Human Study to Assess Safety, Tolerability, Pharmacokinetics of ABI-4334 in Healthy SubjectsCompletedNCT05569941Phase 1
- A Study to Assess the Safety, Pharmacokinetics, and Antiviral Activity of ABI-H3733 in Subjects With Chronic Hepatitis B Virus InfectionCompletedNCT05414981Phase 1
- A Study of ABI-H0731 + Nucleos(t)Ide as Finite Treatment for Chronic Hepatitis B PatientsTerminatedNCT03780543Phase 2
- A Study Evaluating Treatment Intensification With ABI-H0731 in Participants With Chronic Hepatitis B Infection on Nucleos(t)Ide Reverse Transcriptase InhibitorsTerminatedNCT04454567Phase 2
- A Study of ABI-H2158-containing Regimens in Participants With Chronic Hepatitis B Virus InfectionTerminatedNCT04398134Phase 2
- ABI-M201 in Adult Subjects With Mildly-to-Moderately Active Ulcerative ColitisTerminatedNCT03923478Phase 1
- A Study Evaluating ABI-H0731 as Adjunctive Therapy in Participants With Chronic Hepatitis B InfectionCompletedNCT03576066Phase 2
- A Study Evaluating ABI-H0731+ Entecavir vs Entecavir Alone for the Treatment of Viremic HBeAg-positive Participants With Chronic Hepatitis B Virus Infection (cHBV)CompletedNCT03577171Phase 2
- A Study to Assess Safety, Tolerability, and Pharmacokinetics of ABI-H3733 in Healthy AdultsCompletedNCT04271592Phase 1
- A Study of ABI-H2158 in Healthy Volunteers and Patients With Chronic Hepatitis BCompletedNCT03714152Phase 1
- A Study to Evaluate the Mass Balance Absorption and AME of VBRCompletedNCT04637139Phase 1
- A Study to Assess CYP3A4 Modulator, Oral Contraceptive, and pH Modifier Drug Interactions for ABI-H2158 in Healthy AdultsCompletedNCT04142762Phase 1
- A Study to Assess the Relative Bioavailability and Food Effect of ABI-H2158 in Healthy AdultsCompletedNCT04083716Phase 1
- A Study in Healthy Volunteers and Patients With Chronic Hepatitis BCompletedNCT02908191Phase 1
- Phase 1b/2a Study of ABI-H0731 in Patients With Chronic Hepatitis BCompletedNCT03109730Phase 1/2
- Study to Evaluate the Interaction Potential of Clarithromycin XL on Diltiazem Hydrochloride Cream 2% in Healthy SubjectsCompletedNCT02080780Phase 1
Sponsor listed in the registry: Ventrus Biosciences, Inc · First submitted before Ventrus Biosciences, Inc became part of Assembly Biosciences
- Efficacy and Safety Study to Treat Subjects With Symptomatic Internal HemorrhoidsTerminatedNCT01355874Phase 3
Sponsor listed in the registry: Ventrus Biosciences, Inc · First submitted before Ventrus Biosciences, Inc became part of Assembly Biosciences
- Efficacy and Safety Study With Diltiazem Hydrochloride Cream to Treat Anal FissuresCompletedNCT01690221Phase 3
Sponsor listed in the registry: Ventrus Biosciences, Inc · First submitted before Ventrus Biosciences, Inc became part of Assembly Biosciences
- A 21-Day Topical Safety Study of Diltiazem Hydrochloride Using a Cumulative Irritant Patch Test DesignStatus unknownNCT01821274Phase 1
Sponsor listed in the registry: Ventrus Biosciences, Inc · First submitted before Ventrus Biosciences, Inc became part of Assembly Biosciences
- An Open-Label, Single- and Multi-Dose Pharmacokinetic (PK) Study of Oral Diltiazem and Topical Diltiazem HydrochlorideStatus unknownNCT01816191Phase 1
Sponsor listed in the registry: Ventrus Biosciences, Inc · First submitted before Ventrus Biosciences, Inc became part of Assembly Biosciences
- Topical Safety Study of Topical Diltiazem HydrochlorideStatus unknownNCT01816529Phase 1
Sponsor listed in the registry: Ventrus Biosciences, Inc · First submitted before Ventrus Biosciences, Inc became part of Assembly Biosciences
- Efficacy Study of Iferanserin to Treat HemorrhoidsCompletedNCT01483833Phase 2
Sponsor listed in the registry: Ventrus Biosciences, Inc · First submitted before Ventrus Biosciences, Inc became part of Assembly Biosciences