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Mechanistic 129 Xe MRI Study to Assess Therapeutic Response in Fibrotic Interstitial Lung Disease (MASTER-ILD)

25. august 2026 opdateret af: Dr. Grace Parraga

The goal of this observational study is to better understand how treatment affects the lungs of adults (ages 18-80) with fibrotic interstitial lung diseases. The main questions it aims to answer are:

  • Can advanced imaging detect the effect of currently approved therapies on people with fibrotic interstitial lung diseases?
  • What is the relationship between the response to therapy and the imaging response to therapy?

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This is a prospective, single site, observational study in adults aged 18-80 who have fibrotic interstitial lung disease (fILD), and are scheduled to start antifibrotic therapy as prescribed by their treating respirologist. Therapeutic treatment will be assigned in a non-randomized manner by the treating respirologist. There will be no control intervention or blinding.

Each participant will participate in three study visits over a one-year period; Visit 1 - before start of treatment Visit 2 - after 24 weeks of therapy Visit 3 - after 48 weeks of therapy

Each visit will include; a blood test - Complete Blood Count (CBC), C-reactive Protein (CRP), Erythrocyte Sedimentation Rate (ESR); Pulmonary Function testing (PFT) that includes spirometry, plethysmography, diffusion capacity, oscillometry; urine pregnancy test (if indicated); St George's Respiratory Questionnaire (SGRQ-I) and King's Brief Interstitial Lung Disease (K-BILD) questionnaire; 129Xenon Magnetic Resonance Imaging (129Xe MRI); Low-dose chest Computed Tomography (CT) /High Resolution Computed Tomography (HRCT) scan; Six-Minute Walk Test (6MWT) with Borg rating of perceived exertion and dyspnea (BORG) questionnaires.

Undersøgelsestype

Observationel

Tilmelding (Anslået)

35

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Undersøgelse Kontakt Backup

  • Navn: Andraena K Tilgner, BHSc., RRT
  • Telefonnummer: 89853 519-661-2111
  • E-mail: atilgner@uwo.ca

Studiesteder

  • Canada
    • Ontario
      • London, Ontario, Canada, N6A 5B7
        • Robarts Research Institute; The University of Western Ontario; London Health Sciences Centre
        • Ledende efterforsker:
          • Grace Parraga, PhD
        • Kontakt:
        • Kontakt:
          • Andraena K Tilgner, BHSc., RRT
          • Telefonnummer: 89853 519-661-2111
          • E-mail: atilgner@uwo.ca

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Participants will be adults 18-80 years of age with physician-diagnosed fibrotic interstitial lung disease consistent with 2022 ATS/ERS guidelines and are eligible for antifibrotic therapy. Participants will be referred from respirologists at LHSC London outpatient respirology clinics.

Beskrivelse

Inclusion Criteria:

  • Patient understands study procedures and is willing to participate in the study as indicated by the patient's signature.
  • Provision of written, informed consent prior to any study specific procedures.
  • Males and females >/= 18 years of age
  • Patient has a current diagnosis of fILD by a respirologist according to the 2022 ATS/ERS guidelines and is eligible for antifibrotic therapy.
  • Women of childbearing potential must ensure that they are using an effective form of birth control for at least 2 months prior to each imaging visit.
  • Women of childbearing potential must agree to use a highly effective form of birth control from enrollment, throughout the study duration, with negative urine pregnancy test result at Visits 1, 2, and 3.

Exclusion Criteria:

  • Patient has an implanted mechanically, electrically, or magnetically activated device or any metal in their body which cannot be removed, including but not limited to pacemakers, neurostimulators, biostimulators, implanted insulin pumps, aneurysm clips, bioprosthesis, artificial limb, metallic fragment or foreign body, shunt, surgical staples (including clips or metallic sutures and/or ear implants)
  • In the investigator's opinion, subject suffers from any physical, psychological or other conditions that might prevent performance of the MRI or CT, such as severe claustrophobia.
  • Participants who are pregnant, breastfeeding or have a positive pregnancy test at initial screening visit.
  • Participant is unable to perform spirometry or plethysmography maneuvers.
  • Participant is unable to perform MRI and CT breath-hold maneuvers.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Intervention / Behandling
Fibrotic Interstitial Lung Disease
Andet: Hyperpolariseret 129xe MRI
Inhalation af hyperpolariseret 129xe gas efterfulgt af Breath-Hold MR til ventilationsafbildning.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Measure 129Xe imaging ventilation defects qualitatively and quantitatively in participants diagnosed with fibrotic interstitial lung disease.
Tidsramme: 3 visits; Visit 1 at baseline, before treatment initiation. Visit 2 at 24 weeks post-treatment initiation. Visit 3 at 48 weeks post treatment initiation. Each visit will include MRI and CT imaging, Blood test, PFT, questionnaires and 6MWT.
The extent and timing of clinical and imaging-based physiologic changes following treatment initiation for fibrotic interstitial lung disease will be assessed using conventional assessments and advanced pulmonary imaging (MRI and CT). Measurements will include 129Xe compartment-specific physiologic abnormalities and ventilation defect percent (VDP), Pulmonary Function Test (PFT) including Forced Vital Capacity (FVC), Total Lung Capacity (TLC) and Diffusing Capacity of the Lungs for Carbon Monoxide (DLCO), Six-Minute Walk Test (6MWT), symptom scores from St George's Respiratory Questionnaire (SGRQ-I) and King's Brief Interstitial Lung Disease (KBILD) questionnaires, CT parenchyma/airway/vessel morphology.
3 visits; Visit 1 at baseline, before treatment initiation. Visit 2 at 24 weeks post-treatment initiation. Visit 3 at 48 weeks post treatment initiation. Each visit will include MRI and CT imaging, Blood test, PFT, questionnaires and 6MWT.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Determine the relationships between clinical and imaging response to therapy and generate predictive models for their achievement at 1-year using baseline markers and their changes at 24 weeks.
Tidsramme: From baseline to 1 year post-therapy initiation.
Observe changes in 129Xe compartment-specific physiologic abnormalities, changes in ventilation defect percent (VDP), Changes in CT (for progression in fibrotic disease), PFT, 6MWT, SGRQ-I, KBILD.
From baseline to 1 year post-therapy initiation.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Dr. Grace Parraga

Efterforskere

  • Ledende efterforsker: Grace E Parraga, PHD, Robarts Research Institute, The University of Western Ontario

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. november 2026

Primær færdiggørelse (Anslået)

1. november 2028

Studieafslutning (Anslået)

1. januar 2029

Datoer for studieregistrering

Først indsendt

20. august 2026

Først indsendt, der opfyldte QC-kriterier

20. august 2026

Først opslået (Faktiske)

25. august 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

28. august 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

25. august 2026

Sidst verificeret

1. august 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Andre undersøgelses-id-numre

  • ROB0064

Plan for individuelle deltagerdata (IPD)

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