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A Study to Investigate Effect of Clarithromycin, a Strong CYP3A4 Inhibitor, on Brensocatib Pharmacokinetics in Healthy Participants

A Phase 1, Open-label, Fixed-sequence Study to Investigate the Effect of Clarithromycin, a Strong CYP3A4 Inhibitor, on Brensocatib Pharmacokinetics in Healthy Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05965570
Enrollment
22
Registered
2023-07-28
Start date
2023-07-28
Completion date
2023-09-22
Last updated
2023-12-11

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

Conditions

Healthy Volunteers

Brief summary

The primary purpose of this study is to determine the effect of clarithromycin on the single-dose pharmacokinetics (PK) of brensocatib in healthy participants.

Interventions

Oral tablets.

DRUGClarithromycin

Oral tablets.

Sponsors

Insmed Incorporated
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes

Inclusion criteria

* Females of nonchildbearing potential and males, of any race, between 18 and 65 years of age, inclusive, without current disease. * Body mass index between 18.0 and 32.0 kilograms per square meter (kg/m\^2), inclusive, and a total body weight ≥50 kilograms (kg).

Exclusion criteria

* Significant history or clinical manifestation of any metabolic, allergic, dermatological, hepatic, renal, hematological, pulmonary, cardiovascular, gastrointestinal, neurological, respiratory, endocrine, or psychiatric disorder, as determined by the investigator (or designee). * History of significant hypersensitivity, intolerance, or allergy to any drug compound, food, or other substance, unless approved by the investigator (or designee). * History of stomach or intestinal surgery or resection that would potentially alter absorption and/or excretion of orally administered drugs (uncomplicated appendectomy and hernia repair will be allowed; cholecystectomy will not be allowed). * Positive serology test results for hepatitis B panel or hepatitis C antibody and/or reactive human immunodeficiency virus 1/2 test. * Participants whose results are compatible with prior immunization for hepatitis B or natural immunity may be included at the discretion of the investigator. * Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) test at screening or check-in. * Poor peripheral venous access. Note: Other inclusion/

Design outcomes

Primary

MeasureTime frameDescription
Area Under the Plasma Concentration-time Curve (AUC) of BrensocatibPre-dose and at multiple timepoints post-dose on Days 1 to 8, and Days 13 to 20The effect of clarithromycin on the single dose pharmacokinetics of brensocatib will be assessed in healthy participants.

Secondary

MeasureTime frameDescription
Number of Participants who Experienced at Least one Adverse Event (AE)Up to Day 27Determination of the safety and tolerability of a single oral dose of brensocatib when administered alone and with clarithromycin in healthy participants.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026