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A Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of C16TR for Inhalation With Tyvaso® Cohort in Healthy Participants

A Phase 1, Randomized, Double-Blind, Placebo-Controlled Single Ascending Dose Study of C16TR for Inhalation to Determine Its Safety, Tolerability, and Pharmacokinetics With an Open-label Tyvaso® Cohort in Healthy Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06193031
Enrollment
24
Registered
2024-01-05
Start date
2015-11-17
Completion date
2015-12-18
Last updated
2024-01-05

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 safety and tolerability of escalating doses of C16TR for inhalation in healthy participants.

Interventions

DRUGC16TR

Administered as inhalation using a Philips Micro device inhaler.

DRUGPlacebo

Phosphate buffered saline (PBS) administered using Philips Micro device inhaler.

DRUGTyvaso®

Administered as inhalation.

Sponsors

Insmed Incorporated
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 45 Years
Healthy volunteers
Yes

Inclusion criteria

* Have a body weight between 50 and 120 kg (females) or between 55 and 120 kg (males), inclusive, with a body mass index (BMI) between 19.0 and 32.0 kilograms per square meter (kg/m\^2), inclusive, at screening. * Have a medical history, physical examination, vital signs, electrocardiogram (ECG) and clinical laboratory results within normal limits or considered not clinically significant by the Investigator at screening. * Do not take any systemic or topical prescription, or nonprescription (over-the-counter \[OTC\]) medication (acetaminophen or ibuprofen are permitted upon principal investigator \[PI\] discretion) within 2 weeks or 5 half-lives (whichever is longer) before first dose of the study drugs until discharge from the study (unless prescribed by the Investigator to treat an AE). * Agree to abstain from consuming alcohol at least 3 days prior to in-clinic confinement until discharge from the study.

Exclusion criteria

* Have a history of anaphylaxis, a previous documented hypersensitivity reaction, or a clinically significant idiosyncratic reaction to any drug. * Have a clinically significant history of neurological, cardiovascular, respiratory, endocrine, hematological, hepatic, renal, gastrointestinal, genitourinary, pulmonary, and/or musculoskeletal disease; glaucoma; a psychiatric disorder, or any other chronic disease, whether controlled by medication or not. * Have a history of orthostatic hypotension, or unexplained syncope. * Have a history of additional risk factors for Torsades de Pointes (eg, heart failure, family history of Long QT Syndrome). * Are positive for human immunodeficiency virus (HIV) infection, hepatitis B surface antigen (HBsAg), or the hepatitis C virus (HCV) antibody at screening. * Are users or former users of nicotine-containing products with \> 10 pack-years of tobacco use history (including but not limited to cigarettes, cigars, and chewing or dipping tobacco), or users who stopped use or consumption (i.e., smoking, chewing, or pinching) of these nicotine-containing products less than 6 months before study drug administration or were using or had used topical or oral nicotine preparations for smoking cessation within the past 3 months before study drug administration. * Have a history of alcohol abuse or a history of or current impairment of organ function reasonably related to alcohol abuse. * Have a history or current evidence of abuse of licit or illicit drugs or a positive urine test for drugs of abuse. * Have a history of abnormal bleeding tendencies. * Donated any plasma within 7 days prior to first dosing, or has donated blood in excess of 450 mL, or had significant blood loss within 56 days prior to first dosing. * Have any flu-like syndrome or other respiratory infection within 2 weeks of Day 1 or having been vaccinated with an attenuated live virus within 4 weeks of Day 1. * Have a history of major surgery within 4 weeks or minor surgery within 2 weeks of screening. Note: Other inclusion/

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants who Experienced an Adverse Event (AE)Up to 32 daysSafety and tolerability of escalating doses of C16TR for inhalation in healthy participants.

Secondary

MeasureTime frameDescription
Area Under the Plasma Concentration-time Curve (AUC) of Treprostinil and C16TR Post C16TR for Inhalation DoseAt multiple timepoints post dose on Days 2 to 4
Cohort 1: AUC of Treprostinil Post Tyvaso® DosingAt multiple timepoints post dose on Days 1 and 2 for Cohort 1Pharmacokinetics of treprostinil after Tyvaso® dosing in healthy participants will be assessed.
Mean Change From Baseline in Corrected QT Interval by Fridericia (QTcF) for C16TRBaseline up to Day 4 (Cohort 1) and Day 3 (Cohorts 2, 3, 4, and 5)

Countries

United States

Outcome results

None listed

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