Long-Term Low-Intervention SafEty and Clinical Outcomes Clinical Study of LivmArli® in Patients With Alagille Syndrome in the European Union (LEAP-EU)

NCT ID: NCT07290257

Last Updated: 2025-12-18

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

PHASE4

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-09-25

Study Completion Date

2030-12-22

Brief Summary

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The key objectives of this low-intervention clinical study are to evaluate tolerability, long-term safety and long-term efficacy for patients with Alagille syndrome (ALGS) who are prescribed Livmarli.

Detailed Description

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This is a multicenter, open-label, low-intervention clinical study in participants diagnosed with Alagille syndrome (ALGS) who are treated with Livmarli for cholestatic pruritus.

Participants will be treated according to standard of care for the duration of the study and Schedule of Assessments.

Conditions

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Alagille Syndrome

Keywords

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Maralixibat Cholestasis Pruritus Itching IBAT inhibitor Livmarli ALGS Liver Diseases Alagille Syndrome

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

The study will enroll a primary cohort with a minimum of 45 previously untreated (treatment naïve) patients with ALGS including at least 5 participants \<1 year of age, 30 participants between 1 and 5 years of age, and 10 participants \>5 years of age. A supplemental cohort of participants who have previously received Livmarli will also be enrolled. There is no enrollment limit for supplementary cohort. For admin purposes, the number has been set to 55 participants.
Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Patients with Alagile Syndrome treated with Livmarli

Primary cohort with a minimum of 45 previously untreated (treatment naïve). Supplemental cohort of participants who have previously received Livmarli.

Group Type EXPERIMENTAL

Livmarli Oral Product

Intervention Type DRUG

Participants will be treated according to standard of care for the duration of the study and Schedule of Assessments.

Interventions

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Livmarli Oral Product

Participants will be treated according to standard of care for the duration of the study and Schedule of Assessments.

Intervention Type DRUG

Other Intervention Names

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Maralixibat

Eligibility Criteria

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Inclusion Criteria

* Informed consent and assent (as applicable)
* ≥2 months of age at Day 1
* A clinically and/or genetically confirmed ALGS diagnosis with pruritus secondary to chronic cholestasis
* For the primary cohort, prescribed Livmarli at time of study entry
* For the supplemental cohort, prescribed Livmarli prior to study entry

Exclusion Criteria

* History of Liver Transplant
* Any contraindications against Livmarli (as per SmPC)
* Any condition or abnormality that, in the opinion of the investigator, may interfere with the participation in or completion of the study
* Received an investigational drug within 30 days before the first dose of Livmarli (Participation in previous maralixibat studies or expanded-access programs is acceptable.)
* Baseline data before start of treatment of Livmarli are unavailable (\<2 values before treatment) for key safety (LFTs, FSV laboratory results) and key efficacy (sBA, pruritus) parameter
Minimum Eligible Age

2 Months

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Mirum Pharmaceuticals, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Cliniques Universitaires Saint Luc (UCLouvain)

Brussels, , Belgium

Site Status NOT_YET_RECRUITING

University Hospital Gent (UZ Gent)

Ghent, , Belgium

Site Status NOT_YET_RECRUITING

Hospices Civils de Lyon - Hopital Femme Mère Enfant

Bron, Auvergne-Rhône-Alpes, France

Site Status RECRUITING

CHU de Toulouse - Hôpital des Enfants

Toulouse, Occitanie, France

Site Status RECRUITING

Bicetre University Hospital

Le Kremlin-Bicêtre, Île-de-France Region, France

Site Status RECRUITING

Charite Berlin

Berlin, , Germany

Site Status NOT_YET_RECRUITING

Children's University Hospital Essen

Essen, , Germany

Site Status NOT_YET_RECRUITING

University Hospital Hamburg-Eppendorf

Hamburg, , Germany

Site Status NOT_YET_RECRUITING

AO Ospedale PAPA GIOVANNI XXIII

Bergamo, Lombardy, Italy

Site Status RECRUITING

Istituto mediterraneo trapianti - ISMETT

Palermo, Sicily, Italy

Site Status NOT_YET_RECRUITING

University Medical Center Groningen (UMCG)

Groningen, , Netherlands

Site Status NOT_YET_RECRUITING

Hospital Universitairo Vall D'Hebron

Barcelona, Catalonia, Spain

Site Status RECRUITING

Hospital Universitario La Paz

Madrid, , Spain

Site Status RECRUITING

Countries

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Belgium France Germany Italy Netherlands Spain

Central Contacts

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Clinical Trials Mirum

Role: CONTACT

Phone: +16506674085

Email: [email protected]

Facility Contacts

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Stephenne Xavier

Role: primary

Ruth De Bruyne

Role: primary

Mathias Ruiz

Role: primary

Nolwenn Laborde

Role: primary

Emmanuel Gonzales

Role: primary

Philip Bufler

Role: primary

Elke Lainka

Role: primary

Sebastian Schulz-Jürgensen

Role: primary

Lorenzo D'Antiga

Role: primary

Giusy Ranucci

Role: primary

Henkjan Verkade

Role: primary

Jesus Quintero

Role: primary

Esteban Frauca Remacha

Role: primary

Other Identifiers

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MRX-803

Identifier Type: -

Identifier Source: org_study_id