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Study identifier: NCT06968845 Synced from ClinicalTrials.gov · August 05, 2026
● Recruiting

A Phase 2 Study of LTI-03 in Patients With Idiopathic Pulmonary Fibrosis

Condition: Idiopathic Pulmonary Fibrosis (IPF)  ·  Sponsor: Rein Therapeutics

PhasePhase 2
Planned participants120
Who can joinAll sexes, 40 Years to no upper limit
Healthy volunteersNo

About this study

Rationale: LTI-03 is an experimental medication breathed into the lungs using an inhaler. It is being studied for the treatment of Idiopathic Pulmonary Fibrosis (IPF). IPF is a progressive, fatal lung disease caused by the death of lung cells involved in oxygen uptake and by progressive fibrosis (scarring) of the lungs. As the disease progresses, patients experience loss of lung function and increased breathing problems. LTI-03 is hypothesized to treat IPF by protecting and restoring the function of the oxygen uptake cells and by controlling lung fibrosis which may result in improving lung scarring. The purpose of this research is to evaluate LTI-03 including: its safety, whether it causes side effects, whether it improves lung scarring, and whether it improves IPF symptoms. LTI-03 will be compared to placebo in patients diagnosed with IPF within the last 5 years. Patients on a stable dose of nintedanib, pirfenidone, or nerandomilast (if available by prescription) may participate. Trial Design: This is a Phase 2, randomized, double-blind, placebo-controlled, multi-center study that includes a 28-day Screening Period, a 24-week Treatment Period, and 4-week Follow-up Period. Study Assessments: Up to 9 visits to the study clinic will be required. Safety and tolerability will be evaluated with the following assessments: physical examination; collection of vital sign data (heart rate, blood pressure, respiratory rate and peripheral oxygen saturation \[SpO2\] via pulse oximetry…

This description comes directly from the study's public registry record.

Talk to the study team

Steven A. Shoemaker, MD  ·  720-560-2167  ·  sshoemaker@nicosof.com

Shawna H. Evans  ·  sevans@reintx.com

Always discuss trial participation with your own doctor first.

Locations (30)

UAB Lung Health CenterBirmingham, Alabama, United StatesRecruiting
Cedars Sinai Medical CenterLos Angeles, California, United StatesRecruiting
Paradigm Clinical Research Centers, LLCSan Diego, California, United StatesRecruiting
National Jewish HealthDenver, Colorado, United StatesRecruiting
Yale University School of MedicineNew Haven, Connecticut, United StatesRecruiting
Cleveland Clinic FloridaWeston, Florida, United StatesRecruiting
Indiana UniversityIndianapolis, Indiana, United StatesRecruiting
Henry Ford HealthDetroit, Michigan, United StatesRecruiting
The Lung Research Center, LLCChesterfield, Missouri, United StatesRecruiting
University of Kansas Medical CenterKansas City, Missouri, United StatesRecruiting
Icahn School of Medicine at Mount SinaiNew York, New York, United StatesRecruiting
University of North Carolina at Chapel HillChapel Hill, North Carolina, United StatesRecruiting

+ 18 more locations — full list on the registry record.

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