Skip to content

Drug Interaction Study Between AVP-923 and Itraconazole and Between AVP-786 and Itraconazole in Healthy Adult Subejcts

A Phase 1, Single-center, Randomized, Double-blind, Double-dummy, Drug Interaction Study Between AVP-923 and Itraconazole, and Between AVP-786 and Itraconazole in Healthy Adult Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02402595
Acronym
DDI
Enrollment
24
Registered
2015-03-30
Start date
2015-03-01
Completion date
2015-07-01
Last updated
2026-04-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Keywords

Drug-drug interaction, Healthy Volunteers, Pharmacokinetics, deuterated dextromethorphan, dextromethorphan, dextromethorphan with quinidine, deuterated dextromethorphan with quinidine, itraconazole

Brief summary

The purpose of this study is to determine the effects of a potent CYP3A4 inhibitor, itraconazole, on the steady-state PK of AVP-923 and AVP-786.

Detailed description

A Phase 1, single-center, randomized, double-blind, double-dummy drug interaction study.

Interventions

DRUGItraconazole

Sponsors

Otsuka Pharmaceutical Development & Commercialization, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
OTHER
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy adult males and females, 18 to 55 years of age * Body Mass Index (BMI) ≥19 and ≤30 kg/m2 (for both males and females)

Exclusion criteria

* History or presence of significant disease * History of substance abuse or dependence (except caffeine), or treatment for substance use disorder(s) within the year prior to screening or within 6 months for nicotine including e-cigarettes * Use of any tobacco-containing or nicotine-containing products within 6 months prior to the first dose * Use of any prescription or the over-the-counter medications within 14 days

Design outcomes

Primary

MeasureTime frame
Change in plasma concentration of AVP-923 after dosing in combination with itraconazole16 Days
Change in plasma concentration of AVP-786 after dosing in combination with itraconazole16 Days

Secondary

MeasureTime frame
Incidence of adverse events (AEs) for AVP-923 and itraconazole16 Days
Incidence of adverse events (AEs) for AVP-786 and itraconazole16 Days

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 29, 2026