ABX-002 Bioequivalence and Effect of Food Study in Healthy Adult Participants

June 11, 2026 updated by: Autobahn Therapeutics, Inc.

A Phase 1, Open-Label, Randomized, Single Dose Three-Way Crossover Study to Evaluate the Bioequivalence of, and the Effect of Food on, ABX-002 in Healthy Adult Participants

The goal of this study is to assess the bioequivalence (BE) between the liquid formulation and the new solid formulation of ABX-002 under fasting conditions and to evaluate the effect of food on the pharmacokinetics (PK) of the new solid formulation of ABX-002.This study design is consistent with FDA guidelines for the assessment of BE.

This was an open label, randomized, single dose, three-way crossover BE and food-effect study. Therefore, the total number of participants in this study was 18.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
18

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Nebraska
      • Lincoln, Nebraska, United States, 68502
        • Celerion

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Continuous non-smoker who has not used nicotine- and tobacco-containing products for at least 3 months prior to the first dosing based on participant self-reporting
  • BMI ≥ 18.0 and ≤ 32.0 kg/m2 and minimum weight of 50 kg at the screening visit
  • Medically healthy, as deemed by the PI or designee, with no clinically significant medical history, or clinically significant abnormalities in physical examination, clinical laboratory profiles, and vital signs
  • Capable of providing written informed consent, able to understand the nature of the trial and, in the opinion of the PI or designee, able to follow all protocol requirements including the schedule of assessments

Exclusion Criteria:

  • Mentally or legally incapacitated or had significant emotional problems at the time of the screening visit or expected during the conduct of the study
  • History of any illness that, in the opinion of the PI or designee, might have confounded the results of the study or posed an additional risk to the participant
  • History or presence of alcohol or drug abuse within the past 2 years prior to the first dosing
  • History or presence of hypersensitivity or idiosyncratic reaction to the study drug or related compounds
  • History of thyroid disease
  • History or presence of Clinically significant cataract, glaucoma, severe ocular trauma, inflammatory eye disease, or prior ophthalmic surgical procedures or laser surgery in either eye.
  • Clinically significant abnormalities on 12-lead ECG at the screening visit
  • Positive urine drug or alcohol results at the screening visit or check-in

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Basic Science
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Sequence ABC
Drug: ABX-002
ABX-002 was supplied as a solution and solid dose form.
Experimental: Sequence BCA
Drug: ABX-002
ABX-002 was supplied as a solution and solid dose form.
Experimental: Sequence CAB
Drug: ABX-002
ABX-002 was supplied as a solution and solid dose form.
Experimental: Sequence ACB
Drug: ABX-002
ABX-002 was supplied as a solution and solid dose form.
Experimental: Sequence BAC
Drug: ABX-002
ABX-002 was supplied as a solution and solid dose form.
Experimental: Sequence CBA
Drug: ABX-002
ABX-002 was supplied as a solution and solid dose form.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Evaluate the bioequivalence between ABX-002 liquid formulation and ABX-002 solid formulation in healthy adult participants.
Time Frame: 8 weeks
Change in Area Under the Curve from time zero to the last quantifiable concentration for ABX-002 and LL-340001
8 weeks
Evaluate the bioequivalence between ABX-002 liquid formulation and ABX-002 solid formulation
Time Frame: 8 weeks
Change in Area Under the Curve from time zero to infinity for ABX-002 and LL-340001
8 weeks
Evaluate the bioequivalence between ABX-002 liquid formulation and ABX-002 solid formulation
Time Frame: 8 weeks
Change in Peak Plasma Concentration for ABX-002 and LL-340001
8 weeks

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Evaluate the effect of a high-fat meal on the PK of ABX-002 solid formulation in healthy adult participants
Time Frame: 8 weeks
Change in Change in Area Under the Curve from time zero to the last quantifiable concentration for ABX-002 and LL-340001
8 weeks
Evaluate the effect of a high-fat meal on the PK of ABX-002 solid formulation in healthy adult participants
Time Frame: 8 weeks
Change in Area Under the Curve from time zero to infinity for ABX-002 and LL-340001
8 weeks
Evaluate the effect of a high-fat meal on the PK of ABX-002 solid formulation in healthy adult participants
Time Frame: 8 weeks
Change in Peak Plasma Concentration for ABX-002 and LL-340001
8 weeks
Evaluate the safety and tolerability of 3 total doses of ABX-002 in healthy adult participants.
Time Frame: 8 weeks
Incidence and severity of treatment-emergent adverse events to ABX-002 will be measured
8 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Autobahn Therapeutics, Inc.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 2, 2025

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
February 17, 2025

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
February 17, 2025

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
May 29, 2026

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 11, 2026

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
June 17, 2026

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
June 17, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 11, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
June 1, 2026

More Information

Terms related to this study

Keywords

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • ABX-002-1903

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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