NAL ER IPF Respiratory Function and Safety Study

NCT ID: NCT07036029

Last Updated: 2026-01-21

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-08-21

Study Completion Date

2026-02-28

Brief Summary

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The primary purpose of this study is to assess the safety and tolerability of escalating doses of NAL ER and to evaluate its effect on respiratory function in participants with IPF.

Detailed Description

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Conditions

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Idiopathic Pulmonary Fibrosis

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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NAL ER

Participants will receive 2 doses of placebo (placebo matching NAL ER) over 2 days followed by increasing doses of NAL ER tablets twice daily (BID) over 6 days.

Group Type EXPERIMENTAL

NAL ER

Intervention Type DRUG

Oral tablets

Placebo

Intervention Type DRUG

Oral tablets

Interventions

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NAL ER

Oral tablets

Intervention Type DRUG

Placebo

Oral tablets

Intervention Type DRUG

Other Intervention Names

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Nalbuphine

Eligibility Criteria

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Inclusion Criteria

* Diagnosis of IPF as determined by a pulmonologist based on American Thoracic Society (ATS)/ European Respiratory Society (ERS) / Japanese Respiratory Society (JRS) / Asociación Latinoamericana de Tórax (ALAT) guidelines.
* SpO2 ≥ 92%, taken after at least 5 minutes in a sitting position, undisturbed and non-stimulated - Saturation of Hemoglobin with Oxygen as measured by pulse oximetry.
* FVC ≥ 40% of Global Lung Function Initiative (GLI) 2012 predicted values- Forced Vital Capacity, as determined by spirometry adhering to ATS/ERS guidelines.

Exclusion Criteria

* Exacerbation of IPF in the last 3 months.
* Positive results for coronavirus infection (COVID-19) at Day -2, prior to Admission to the clinical research unit (CRU).
* Diagnosis of Chronic Obstructive Pulmonary Disease (COPD), or an forced expiratory volume in 1 second (FEV1)/forced vital capacity (FVC) \<0.8.
* Currently using any overnight oxygen therapy at any level or delivered by any modality. Intermittent daytime oxygen use of any duration is allowed.
* Diagnosis of sleep disordered breathing (e.g., sleep apnea).
* Upper or lower respiratory tract infection within the 8 weeks prior to admission to the CRU.
* Clinical history of aspiration pneumonitis.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Trevi Therapeutics

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Chief Development Officer

Role: STUDY_DIRECTOR

Trevi Therapeutics

Locations

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Mayo Clinic

Rochester, Minnesota, United States

Site Status RECRUITING

Medicines Evaluation Unit Ltd.

Manchester, , United Kingdom

Site Status RECRUITING

Countries

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United States United Kingdom

Central Contacts

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Connie Crum

Role: CONTACT

203-654-3287

Paula Buckley

Role: CONTACT

203-680-3864

Other Identifiers

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NAL03-101

Identifier Type: -

Identifier Source: org_study_id

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